US20060237685A1 - Coolant composition and methods of use thereof - Google Patents
Coolant composition and methods of use thereof Download PDFInfo
- Publication number
- US20060237685A1 US20060237685A1 US11/395,106 US39510606A US2006237685A1 US 20060237685 A1 US20060237685 A1 US 20060237685A1 US 39510606 A US39510606 A US 39510606A US 2006237685 A1 US2006237685 A1 US 2006237685A1
- Authority
- US
- United States
- Prior art keywords
- aluminum
- magnesium
- weight
- strontium
- coolant composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 33
- 239000002826 coolant Substances 0.000 title claims abstract description 28
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 19
- 150000003839 salts Chemical class 0.000 claims abstract description 12
- 239000002253 acid Substances 0.000 claims abstract description 9
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 claims abstract description 7
- 125000003118 aryl group Chemical group 0.000 claims abstract description 7
- 229940043430 calcium compound Drugs 0.000 claims abstract description 6
- 150000001674 calcium compounds Chemical class 0.000 claims abstract description 6
- 150000002681 magnesium compounds Chemical class 0.000 claims abstract description 6
- 150000003438 strontium compounds Chemical class 0.000 claims abstract description 6
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 150000007513 acids Chemical class 0.000 claims abstract description 4
- 229910019142 PO4 Inorganic materials 0.000 claims description 20
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 20
- 239000010452 phosphate Substances 0.000 claims description 20
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 10
- LPNBBFKOUUSUDB-UHFFFAOYSA-N p-toluic acid Chemical compound CC1=CC=C(C(O)=O)C=C1 LPNBBFKOUUSUDB-UHFFFAOYSA-N 0.000 claims description 8
- 235000010233 benzoic acid Nutrition 0.000 claims description 7
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 6
- 150000003852 triazoles Chemical class 0.000 claims description 6
- KDVYCTOWXSLNNI-UHFFFAOYSA-N 4-t-Butylbenzoic acid Chemical compound CC(C)(C)C1=CC=C(C(O)=O)C=C1 KDVYCTOWXSLNNI-UHFFFAOYSA-N 0.000 claims description 5
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 5
- 239000005711 Benzoic acid Substances 0.000 claims description 4
- 239000004615 ingredient Substances 0.000 claims 2
- 239000002075 main ingredient Substances 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 53
- 230000007797 corrosion Effects 0.000 abstract description 51
- 229910052782 aluminium Inorganic materials 0.000 abstract description 37
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 37
- 230000003405 preventing effect Effects 0.000 abstract description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 20
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 16
- 229910052742 iron Inorganic materials 0.000 abstract description 10
- 230000000052 comparative effect Effects 0.000 description 26
- 238000012360 testing method Methods 0.000 description 16
- -1 aluminum Chemical class 0.000 description 15
- 229910052751 metal Inorganic materials 0.000 description 13
- 239000002184 metal Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 11
- 239000008233 hard water Substances 0.000 description 11
- 239000002244 precipitate Substances 0.000 description 11
- 230000005856 abnormality Effects 0.000 description 10
- 239000007788 liquid Substances 0.000 description 8
- 238000001816 cooling Methods 0.000 description 7
- 239000003112 inhibitor Substances 0.000 description 7
- 229910001018 Cast iron Inorganic materials 0.000 description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- 150000002739 metals Chemical class 0.000 description 6
- 229910000679 solder Inorganic materials 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- DHEQXMRUPNDRPG-UHFFFAOYSA-N strontium nitrate Chemical compound [Sr+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O DHEQXMRUPNDRPG-UHFFFAOYSA-N 0.000 description 4
- UBXAKNTVXQMEAG-UHFFFAOYSA-L strontium sulfate Chemical compound [Sr+2].[O-]S([O-])(=O)=O UBXAKNTVXQMEAG-UHFFFAOYSA-L 0.000 description 4
- WBYWAXJHAXSJNI-VOTSOKGWSA-M .beta-Phenylacrylic acid Natural products [O-]C(=O)\C=C\C1=CC=CC=C1 WBYWAXJHAXSJNI-VOTSOKGWSA-M 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 239000010951 brass Substances 0.000 description 3
- 229930016911 cinnamic acid Natural products 0.000 description 3
- 235000013985 cinnamic acid Nutrition 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 description 3
- WBYWAXJHAXSJNI-UHFFFAOYSA-N methyl p-hydroxycinnamate Natural products OC(=O)C=CC1=CC=CC=C1 WBYWAXJHAXSJNI-UHFFFAOYSA-N 0.000 description 3
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 3
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 2
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 description 2
- CMGDVUCDZOBDNL-UHFFFAOYSA-N 4-methyl-2h-benzotriazole Chemical compound CC1=CC=CC2=NNN=C12 CMGDVUCDZOBDNL-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 2
- 229940091250 magnesium supplement Drugs 0.000 description 2
- QUIOHQITLKCGNW-ODZAUARKSA-L magnesium;(z)-but-2-enedioate Chemical compound [Mg+2].[O-]C(=O)\C=C/C([O-])=O QUIOHQITLKCGNW-ODZAUARKSA-L 0.000 description 2
- IWYDHOAUDWTVEP-UHFFFAOYSA-M mandelate Chemical compound [O-]C(=O)C(O)C1=CC=CC=C1 IWYDHOAUDWTVEP-UHFFFAOYSA-M 0.000 description 2
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 229960004063 propylene glycol Drugs 0.000 description 2
- 229910052712 strontium Inorganic materials 0.000 description 2
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 2
- IATRAKWUXMZMIY-UHFFFAOYSA-N strontium oxide Chemical compound [O-2].[Sr+2] IATRAKWUXMZMIY-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- JOPDZQBPOWAEHC-UHFFFAOYSA-H tristrontium;diphosphate Chemical compound [Sr+2].[Sr+2].[Sr+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O JOPDZQBPOWAEHC-UHFFFAOYSA-H 0.000 description 2
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 description 2
- PLYYQWWELYJSEB-DEOSSOPVSA-N (2s)-2-(2,3-dihydro-1h-inden-2-yl)-2-(9h-fluoren-9-ylmethoxycarbonylamino)acetic acid Chemical compound C1C2=CC=CC=C2CC1[C@@H](C(=O)O)NC(=O)OCC1C2=CC=CC=C2C2=CC=CC=C21 PLYYQWWELYJSEB-DEOSSOPVSA-N 0.000 description 1
- 229940058015 1,3-butylene glycol Drugs 0.000 description 1
- TXNFKHHYTGEPRL-UHFFFAOYSA-N 1-[4-(trifluoromethylsulfanyl)phenyl]ethanone Chemical compound CC(=O)C1=CC=C(SC(F)(F)F)C=C1 TXNFKHHYTGEPRL-UHFFFAOYSA-N 0.000 description 1
- GIXFALHDORQSOQ-UHFFFAOYSA-J 2,4,6,8-tetraoxido-1,3,5,7,2$l^{5},4$l^{5},6$l^{5},8$l^{5}-tetraoxatetraphosphocane 2,4,6,8-tetraoxide Chemical compound [O-]P1(=O)OP([O-])(=O)OP([O-])(=O)OP([O-])(=O)O1 GIXFALHDORQSOQ-UHFFFAOYSA-J 0.000 description 1
- JXPHLUCMHXXHEJ-UHFFFAOYSA-N 2-(aminomethyl)-4-bromoaniline Chemical compound NCC1=CC(Br)=CC=C1N JXPHLUCMHXXHEJ-UHFFFAOYSA-N 0.000 description 1
- SLAMLWHELXOEJZ-UHFFFAOYSA-N 2-nitrobenzoic acid Chemical compound OC(=O)C1=CC=CC=C1[N+]([O-])=O SLAMLWHELXOEJZ-UHFFFAOYSA-N 0.000 description 1
- ZQVKTHRQIXSMGY-UHFFFAOYSA-N 4-Ethylbenzoic acid Chemical compound CCC1=CC=C(C(O)=O)C=C1 ZQVKTHRQIXSMGY-UHFFFAOYSA-N 0.000 description 1
- FJKROLUGYXJWQN-UHFFFAOYSA-N 4-hydroxybenzoic acid Chemical compound OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
- UTMDJGPRCLQPBT-UHFFFAOYSA-N 4-nitro-1h-1,2,3-benzotriazole Chemical compound [O-][N+](=O)C1=CC=CC2=NNN=C12 UTMDJGPRCLQPBT-UHFFFAOYSA-N 0.000 description 1
- LUEYUHCBBXWTQT-UHFFFAOYSA-N 4-phenyl-2h-triazole Chemical compound C1=NNN=C1C1=CC=CC=C1 LUEYUHCBBXWTQT-UHFFFAOYSA-N 0.000 description 1
- ATZHGRNFEFVDDJ-UHFFFAOYSA-N 4-propylbenzoic acid Chemical compound CCCC1=CC=C(C(O)=O)C=C1 ATZHGRNFEFVDDJ-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- FERIUCNNQQJTOY-UHFFFAOYSA-M Butyrate Chemical compound CCCC([O-])=O FERIUCNNQQJTOY-UHFFFAOYSA-M 0.000 description 1
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Natural products CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- WBYWAXJHAXSJNI-SREVYHEPSA-N Cinnamic acid Chemical compound OC(=O)\C=C/C1=CC=CC=C1 WBYWAXJHAXSJNI-SREVYHEPSA-N 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 description 1
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 description 1
- JVTAAEKCZFNVCJ-UHFFFAOYSA-M Lactate Chemical compound CC(O)C([O-])=O JVTAAEKCZFNVCJ-UHFFFAOYSA-M 0.000 description 1
- MQHWFIOJQSCFNM-UHFFFAOYSA-L Magnesium salicylate Chemical compound [Mg+2].OC1=CC=CC=C1C([O-])=O.OC1=CC=CC=C1C([O-])=O MQHWFIOJQSCFNM-UHFFFAOYSA-L 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-L Malonate Chemical compound [O-]C(=O)CC([O-])=O OFOBLEOULBTSOW-UHFFFAOYSA-L 0.000 description 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- MXZRMHIULZDAKC-UHFFFAOYSA-L ammonium magnesium phosphate Chemical compound [NH4+].[Mg+2].[O-]P([O-])([O-])=O MXZRMHIULZDAKC-UHFFFAOYSA-L 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 150000001559 benzoic acids Chemical class 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 235000019437 butane-1,3-diol Nutrition 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- AZSFNUJOCKMOGB-UHFFFAOYSA-K cyclotriphosphate(3-) Chemical compound [O-]P1(=O)OP([O-])(=O)OP([O-])(=O)O1 AZSFNUJOCKMOGB-UHFFFAOYSA-K 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- XPPKVPWEQAFLFU-UHFFFAOYSA-J diphosphate(4-) Chemical compound [O-]P([O-])(=O)OP([O-])([O-])=O XPPKVPWEQAFLFU-UHFFFAOYSA-J 0.000 description 1
- 235000011180 diphosphates Nutrition 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- POULHZVOKOAJMA-UHFFFAOYSA-M dodecanoate Chemical compound CCCCCCCCCCCC([O-])=O POULHZVOKOAJMA-UHFFFAOYSA-M 0.000 description 1
- 229940093476 ethylene glycol Drugs 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229930195712 glutamate Natural products 0.000 description 1
- 229940049906 glutamate Drugs 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 150000004687 hexahydrates Chemical class 0.000 description 1
- WNLRTRBMVRJNCN-UHFFFAOYSA-N hexanedioic acid Natural products OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 1
- 229940051250 hexylene glycol Drugs 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 229940001447 lactate Drugs 0.000 description 1
- 229940070765 laurate Drugs 0.000 description 1
- UEGPKNKPLBYCNK-UHFFFAOYSA-L magnesium acetate Chemical compound [Mg+2].CC([O-])=O.CC([O-])=O UEGPKNKPLBYCNK-UHFFFAOYSA-L 0.000 description 1
- 239000011654 magnesium acetate Substances 0.000 description 1
- 229940069446 magnesium acetate Drugs 0.000 description 1
- 235000011285 magnesium acetate Nutrition 0.000 description 1
- PJJZFXPJNUVBMR-UHFFFAOYSA-L magnesium benzoate Chemical compound [Mg+2].[O-]C(=O)C1=CC=CC=C1.[O-]C(=O)C1=CC=CC=C1 PJJZFXPJNUVBMR-UHFFFAOYSA-L 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 239000004337 magnesium citrate Substances 0.000 description 1
- 229960005336 magnesium citrate Drugs 0.000 description 1
- 235000002538 magnesium citrate Nutrition 0.000 description 1
- 235000013918 magnesium diglutamate Nutrition 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- CQQJGTPWCKCEOQ-UHFFFAOYSA-L magnesium dipropionate Chemical compound [Mg+2].CCC([O-])=O.CCC([O-])=O CQQJGTPWCKCEOQ-UHFFFAOYSA-L 0.000 description 1
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 description 1
- 229910001635 magnesium fluoride Inorganic materials 0.000 description 1
- 229940063886 magnesium glutamate Drugs 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- BLQJIBCZHWBKSL-UHFFFAOYSA-L magnesium iodide Chemical compound [Mg+2].[I-].[I-] BLQJIBCZHWBKSL-UHFFFAOYSA-L 0.000 description 1
- 229910001641 magnesium iodide Inorganic materials 0.000 description 1
- OVGXLJDWSLQDRT-UHFFFAOYSA-L magnesium lactate Chemical compound [Mg+2].CC(O)C([O-])=O.CC(O)C([O-])=O OVGXLJDWSLQDRT-UHFFFAOYSA-L 0.000 description 1
- 239000000626 magnesium lactate Substances 0.000 description 1
- 235000015229 magnesium lactate Nutrition 0.000 description 1
- 229960004658 magnesium lactate Drugs 0.000 description 1
- JFQQIWNDAXACSR-UHFFFAOYSA-L magnesium malate Chemical compound [Mg+2].[O-]C(=O)C(O)CC([O-])=O JFQQIWNDAXACSR-UHFFFAOYSA-L 0.000 description 1
- 229940096424 magnesium malate Drugs 0.000 description 1
- UHNWOJJPXCYKCG-UHFFFAOYSA-L magnesium oxalate Chemical compound [Mg+2].[O-]C(=O)C([O-])=O UHNWOJJPXCYKCG-UHFFFAOYSA-L 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- GVALZJMUIHGIMD-UHFFFAOYSA-H magnesium phosphate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O GVALZJMUIHGIMD-UHFFFAOYSA-H 0.000 description 1
- 239000004137 magnesium phosphate Substances 0.000 description 1
- 229960002261 magnesium phosphate Drugs 0.000 description 1
- 229910000157 magnesium phosphate Inorganic materials 0.000 description 1
- 235000010994 magnesium phosphates Nutrition 0.000 description 1
- 229940072082 magnesium salicylate Drugs 0.000 description 1
- 235000019359 magnesium stearate Nutrition 0.000 description 1
- 229940057948 magnesium stearate Drugs 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 229940095060 magnesium tartrate Drugs 0.000 description 1
- MUZDLCBWNVUYIR-ZVGUSBNCSA-L magnesium;(2r,3r)-2,3-dihydroxybutanedioate Chemical compound [Mg+2].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O MUZDLCBWNVUYIR-ZVGUSBNCSA-L 0.000 description 1
- MYUGVHJLXONYNC-QHTZZOMLSA-J magnesium;(2s)-2-aminopentanedioate Chemical compound [Mg+2].[O-]C(=O)[C@@H](N)CCC([O-])=O.[O-]C(=O)[C@@H](N)CCC([O-])=O MYUGVHJLXONYNC-QHTZZOMLSA-J 0.000 description 1
- QBJDOPPOCWDBTL-UHFFFAOYSA-L magnesium;2,3,4-trihydroxy-4-oxobutanoate Chemical compound [Mg+2].OC(=O)C(O)C(O)C([O-])=O.OC(=O)C(O)C(O)C([O-])=O QBJDOPPOCWDBTL-UHFFFAOYSA-L 0.000 description 1
- RPONRISSUINNRF-UHFFFAOYSA-L magnesium;2-hydroxy-2-phenylacetate Chemical compound [Mg+2].[O-]C(=O)C(O)C1=CC=CC=C1.[O-]C(=O)C(O)C1=CC=CC=C1 RPONRISSUINNRF-UHFFFAOYSA-L 0.000 description 1
- NCRZJKMYPDVONB-UHFFFAOYSA-L magnesium;decanedioate Chemical compound [Mg+2].[O-]C(=O)CCCCCCCCC([O-])=O NCRZJKMYPDVONB-UHFFFAOYSA-L 0.000 description 1
- GMDNUWQNDQDBNQ-UHFFFAOYSA-L magnesium;diformate Chemical compound [Mg+2].[O-]C=O.[O-]C=O GMDNUWQNDQDBNQ-UHFFFAOYSA-L 0.000 description 1
- QQFLQYOOQVLGTQ-UHFFFAOYSA-L magnesium;dihydrogen phosphate Chemical compound [Mg+2].OP(O)([O-])=O.OP(O)([O-])=O QQFLQYOOQVLGTQ-UHFFFAOYSA-L 0.000 description 1
- CRGGPIWCSGOBDN-UHFFFAOYSA-N magnesium;dioxido(dioxo)chromium Chemical compound [Mg+2].[O-][Cr]([O-])(=O)=O CRGGPIWCSGOBDN-UHFFFAOYSA-N 0.000 description 1
- DJZHPOJZOWHJPP-UHFFFAOYSA-N magnesium;dioxido(dioxo)tungsten Chemical compound [Mg+2].[O-][W]([O-])(=O)=O DJZHPOJZOWHJPP-UHFFFAOYSA-N 0.000 description 1
- BJZBHTNKDCBDNQ-UHFFFAOYSA-L magnesium;dodecanoate Chemical compound [Mg+2].CCCCCCCCCCCC([O-])=O.CCCCCCCCCCCC([O-])=O BJZBHTNKDCBDNQ-UHFFFAOYSA-L 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- PWDTYUOSZRLLEV-UHFFFAOYSA-L magnesium;pentanoate Chemical compound [Mg+2].CCCCC([O-])=O.CCCCC([O-])=O PWDTYUOSZRLLEV-UHFFFAOYSA-L 0.000 description 1
- APLYTANMTDCWTA-UHFFFAOYSA-L magnesium;phthalate Chemical compound [Mg+2].[O-]C(=O)C1=CC=CC=C1C([O-])=O APLYTANMTDCWTA-UHFFFAOYSA-L 0.000 description 1
- AICDYVDWYUUUGL-UHFFFAOYSA-L magnesium;propanedioate Chemical compound [Mg+2].[O-]C(=O)CC([O-])=O AICDYVDWYUUUGL-UHFFFAOYSA-L 0.000 description 1
- 229940049920 malate Drugs 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N malic acid Chemical compound OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
- AXLHVTKGDPVANO-UHFFFAOYSA-N methyl 2-amino-3-[(2-methylpropan-2-yl)oxycarbonylamino]propanoate Chemical compound COC(=O)C(N)CNC(=O)OC(C)(C)C AXLHVTKGDPVANO-UHFFFAOYSA-N 0.000 description 1
- 229910000401 monomagnesium phosphate Inorganic materials 0.000 description 1
- 235000019785 monomagnesium phosphate Nutrition 0.000 description 1
- XKLJHFLUAHKGGU-UHFFFAOYSA-N nitrous amide Chemical compound ON=N XKLJHFLUAHKGGU-UHFFFAOYSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- 229940049964 oleate Drugs 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- CKMXAIVXVKGGFM-UHFFFAOYSA-N p-cumic acid Chemical compound CC(C)C1=CC=C(C(O)=O)C=C1 CKMXAIVXVKGGFM-UHFFFAOYSA-N 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 description 1
- 229960001860 salicylate Drugs 0.000 description 1
- 229940116351 sebacate Drugs 0.000 description 1
- CXMXRPHRNRROMY-UHFFFAOYSA-L sebacate(2-) Chemical compound [O-]C(=O)CCCCCCCCC([O-])=O CXMXRPHRNRROMY-UHFFFAOYSA-L 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 238000012430 stability testing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229940114926 stearate Drugs 0.000 description 1
- 229910001631 strontium chloride Inorganic materials 0.000 description 1
- AHBGXTDRMVNFER-UHFFFAOYSA-L strontium dichloride Chemical compound [Cl-].[Cl-].[Sr+2] AHBGXTDRMVNFER-UHFFFAOYSA-L 0.000 description 1
- UUCCCPNEFXQJEL-UHFFFAOYSA-L strontium dihydroxide Chemical compound [OH-].[OH-].[Sr+2] UUCCCPNEFXQJEL-UHFFFAOYSA-L 0.000 description 1
- FVRNDBHWWSPNOM-UHFFFAOYSA-L strontium fluoride Chemical compound [F-].[F-].[Sr+2] FVRNDBHWWSPNOM-UHFFFAOYSA-L 0.000 description 1
- 229910001637 strontium fluoride Inorganic materials 0.000 description 1
- 229910001866 strontium hydroxide Inorganic materials 0.000 description 1
- KRIJWFBRWPCESA-UHFFFAOYSA-L strontium iodide Chemical compound [Sr+2].[I-].[I-] KRIJWFBRWPCESA-UHFFFAOYSA-L 0.000 description 1
- 229910001643 strontium iodide Inorganic materials 0.000 description 1
- KQAGKTURZUKUCH-UHFFFAOYSA-L strontium oxalate Chemical compound [Sr+2].[O-]C(=O)C([O-])=O KQAGKTURZUKUCH-UHFFFAOYSA-L 0.000 description 1
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 description 1
- XUBXWWLLZIPPHW-DFWYDOINSA-L strontium;(2s)-2-aminopentanedioate Chemical compound [Sr+2].[O-]C(=O)[C@@H](N)CCC([O-])=O XUBXWWLLZIPPHW-DFWYDOINSA-L 0.000 description 1
- VUWAXXIHYHUOJV-ODZAUARKSA-L strontium;(z)-but-2-enedioate Chemical compound [Sr+2].[O-]C(=O)\C=C/C([O-])=O VUWAXXIHYHUOJV-ODZAUARKSA-L 0.000 description 1
- QRGQLRSDSGSLBD-CVBJKYQLSA-L strontium;(z)-octadec-9-enoate Chemical compound [Sr+2].CCCCCCCC\C=C/CCCCCCCC([O-])=O.CCCCCCCC\C=C/CCCCCCCC([O-])=O QRGQLRSDSGSLBD-CVBJKYQLSA-L 0.000 description 1
- IUMOPUXDPFMEMV-UHFFFAOYSA-L strontium;2,3-dihydroxybutanedioate Chemical compound [Sr+2].[O-]C(=O)C(O)C(O)C([O-])=O IUMOPUXDPFMEMV-UHFFFAOYSA-L 0.000 description 1
- RZDNXOOMMJEAFR-UHFFFAOYSA-L strontium;2-hydroxybutanedioate Chemical compound [Sr+2].[O-]C(=O)C(O)CC([O-])=O RZDNXOOMMJEAFR-UHFFFAOYSA-L 0.000 description 1
- CCUZKVDGQHXAFK-UHFFFAOYSA-L strontium;2-hydroxypropanoate Chemical compound [Sr+2].CC(O)C([O-])=O.CC(O)C([O-])=O CCUZKVDGQHXAFK-UHFFFAOYSA-L 0.000 description 1
- CRLDSNGPLRRUQU-UHFFFAOYSA-L strontium;butanedioate Chemical compound [Sr+2].[O-]C(=O)CCC([O-])=O CRLDSNGPLRRUQU-UHFFFAOYSA-L 0.000 description 1
- ITUCOQTVTSFGRJ-UHFFFAOYSA-L strontium;butanoate Chemical compound [Sr+2].CCCC([O-])=O.CCCC([O-])=O ITUCOQTVTSFGRJ-UHFFFAOYSA-L 0.000 description 1
- AYPTZFGEAMGYBT-UHFFFAOYSA-L strontium;decanedioate Chemical compound [Sr+2].[O-]C(=O)CCCCCCCCC([O-])=O AYPTZFGEAMGYBT-UHFFFAOYSA-L 0.000 description 1
- RXSHXLOMRZJCLB-UHFFFAOYSA-L strontium;diacetate Chemical compound [Sr+2].CC([O-])=O.CC([O-])=O RXSHXLOMRZJCLB-UHFFFAOYSA-L 0.000 description 1
- RDRLLHKVJZUFIB-UHFFFAOYSA-L strontium;dibenzoate Chemical compound [Sr+2].[O-]C(=O)C1=CC=CC=C1.[O-]C(=O)C1=CC=CC=C1 RDRLLHKVJZUFIB-UHFFFAOYSA-L 0.000 description 1
- FXWRHZACHXRMCI-UHFFFAOYSA-L strontium;diformate Chemical compound [Sr+2].[O-]C=O.[O-]C=O FXWRHZACHXRMCI-UHFFFAOYSA-L 0.000 description 1
- AOKGFBICYSLGKE-UHFFFAOYSA-L strontium;dihydrogen phosphate Chemical compound [Sr+2].OP(O)([O-])=O.OP(O)([O-])=O AOKGFBICYSLGKE-UHFFFAOYSA-L 0.000 description 1
- OYNZODZYCSVISG-UHFFFAOYSA-L strontium;dodecanoate Chemical compound [Sr+2].CCCCCCCCCCCC([O-])=O.CCCCCCCCCCCC([O-])=O OYNZODZYCSVISG-UHFFFAOYSA-L 0.000 description 1
- FRKHZXHEZFADLA-UHFFFAOYSA-L strontium;octadecanoate Chemical compound [Sr+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O FRKHZXHEZFADLA-UHFFFAOYSA-L 0.000 description 1
- LLOLUUSIFMACRO-UHFFFAOYSA-L strontium;pentanoate Chemical compound [Sr+2].CCCCC([O-])=O.CCCCC([O-])=O LLOLUUSIFMACRO-UHFFFAOYSA-L 0.000 description 1
- KGCOMQDJRDGWDD-UHFFFAOYSA-L strontium;phthalate Chemical compound [Sr+2].[O-]C(=O)C1=CC=CC=C1C([O-])=O KGCOMQDJRDGWDD-UHFFFAOYSA-L 0.000 description 1
- LVZZABGEQTZXHP-UHFFFAOYSA-L strontium;propanedioate Chemical compound [Sr+2].[O-]C(=O)CC([O-])=O LVZZABGEQTZXHP-UHFFFAOYSA-L 0.000 description 1
- 229910052567 struvite Inorganic materials 0.000 description 1
- 229940086735 succinate Drugs 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229940095064 tartrate Drugs 0.000 description 1
- OKUCEQDKBKYEJY-UHFFFAOYSA-N tert-butyl 3-(methylamino)pyrrolidine-1-carboxylate Chemical compound CNC1CCN(C(=O)OC(C)(C)C)C1 OKUCEQDKBKYEJY-UHFFFAOYSA-N 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- PLSARIKBYIPYPF-UHFFFAOYSA-H trimagnesium dicitrate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O PLSARIKBYIPYPF-UHFFFAOYSA-H 0.000 description 1
- NFMWFGXCDDYTEG-UHFFFAOYSA-N trimagnesium;diborate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]B([O-])[O-].[O-]B([O-])[O-] NFMWFGXCDDYTEG-UHFFFAOYSA-N 0.000 description 1
- QGAPCDHPGCYAKM-UHFFFAOYSA-H tristrontium;2-hydroxypropane-1,2,3-tricarboxylate Chemical compound [Sr+2].[Sr+2].[Sr+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O QGAPCDHPGCYAKM-UHFFFAOYSA-H 0.000 description 1
- LNSYCBFBTCINRL-UHFFFAOYSA-N tristrontium;diborate Chemical compound [Sr+2].[Sr+2].[Sr+2].[O-]B([O-])[O-].[O-]B([O-])[O-] LNSYCBFBTCINRL-UHFFFAOYSA-N 0.000 description 1
- 229940070710 valerate Drugs 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/10—Liquid materials
Abstract
The present invention provides a coolant composition having a glycol as a main component, which prevents iron and aluminum from being corroded, and in particular, has excellent corrosion preventing properties for aluminum and aluminum alloys at high temperatures, and the coolant composition is characterized by containing: (a) 0.1-10% by weight of at least one component selected from among aromatic monobasic acids and the salts thereof; (b) 0.0001-0.1% by weight of at least one component selected from among strontium compounds, magnesium compounds and calcium compounds; and (c) 0.01-1.0% by weight of 2-phosphonobutane-1,2,4-tricarboxylic acid or the salt thereof.
Description
- This application is a continuation-in-part of copending international patent application PCT/JP2003/016647 entitled “Liquid Coolant Composition” filed Dec. 24, 2003, which claims priority to Japanese Patent Application No. 2003-342715 filed Oct. 1, 2003, which applications are hereby claimed as priority documents and are hereby incorporated herein by reference. This application is related to U.S. patent application Ser. No. 11/121,358 filed May 4, 2005 and U.S. patent application Ser. No. 11/330,015 filed Jan. 11, 2006.
- The present invention relates to a coolant composition which is used for a coolant mainly for internal combustion engines. In particular, the invention relates to a coolant composition which is excellent in preventing corrosion of iron and aluminum, specifically, corrosion preventing properties for aluminum and aluminum alloys at high temperatures exceeding 150° C.
- Metals such as aluminum, aluminum alloys, cast iron, steel, brass, solder and copper are used in cooling systems for internal combustion engines. Particularly in recent years, a large amount of aluminum or aluminum alloys have been used for parts in cooling systems, for the purpose of reducing the weight of vehicle.
- These metals are corroded through contact with water or air. In order to prevent this, coolant compositions which are applied to cooling systems of internal combustion engines, include a metal corrosion inhibitor, such as phosphate, amine salt, borate, nitrite, silicate or an organic acid. In particular, phosphate has excellent corrosion preventing properties for iron and aluminum, and therefore, is used in many coolant compositions.
- However, phosphate reacts with hard water components and creates precipitate, and therefore, when diluted with hard water, a large amount of precipitate is created. Creation of precipitate reduces the corrosion preventing performance of the coolant, and in addition, the created precipitate settles along the circulation path of the cooling system, and thus, there is a risk that a state where the cooling system is clogged may be caused.
- Meanwhile, borate tends to corrode aluminum and aluminum alloy, and silicate is inferior in stability in liquids and is easily gelled, that is, easily separates in the case where the temperature or pH changes, or when another salt coexists, and thereby, a problem arises, such that the corrosion preventing performance is reduced.
- As for amine salt and nitrite, there is a possibility that nitrosamine, which is hazardous for human body, may be generated when these coexist in the coolant.
- As described above, substances which are known as metal corrosion inhibitors that are effective for preventing corrosion of iron and aluminum all have various problems when used, and therefore, development of a corrosion inhibitor exhibiting excellent corrosion preventing properties for iron and aluminum has been desired.
- As a corrosion inhibitor solving the above described problems, 2-phosphonobutane-1,2,4-tricarboxylic acid and the water soluble salt thereof have been proposed. This corrosion inhibitor exhibits excellent anti-corrosion against contact between different kinds of metals, in particular, contact corrosion between aluminum alloys, cast iron and solder and other kinds of metal, and furthermore, has excellent anti-corrosion performance against corrosion of heat transfer surfaces of aluminum. In addition, this corrosion inhibitor has only a small risk of causing eutrophication in rivers and is low in toxicity, and thus, is a corrosion inhibitor causing little pollution.
- The present applicant has proposed a coolant composition using 2-phosphonobutane-1,2,4-tricarboxylic acid having such excellent performance. This coolant composition is characterized by including phosphate, nitrate, benzoate and triazole, together with 2-phosphonobutane-1,2,4-tricarboxylic acid or the water soluble salt thereof (see Japanese Unexamined Patent Publication H7 (1995)-173651).
- However, there is a problem with this coolant composition, such that the amount of corrosion was high in the testing of corrosion properties of heat transfer surfaces of aluminum at high temperatures exceeding 150° C.
- The present invention is made in view of the above described situation, and an object thereof is to provide a coolant composition which is excellent in preventing iron and aluminum from being corroded, in particular, corrosion preventing properties of aluminum and aluminum alloys at high temperatures.
- In order to achieve the above described object, according to the gist of the present invention, a coolant composition having a glycol as a main component, characterized by containing: (a) 0.1-10% by weight of at least one component selected from among aromatic monobasic acids and the salts thereof; (b) 0.0001-0.1% by weight of at least one component selected from among strontium compounds, magnesium compounds and calcium compounds; and (c) 0.01-1.0% by weight of 2-phosphonobutane-1,2,4-tricarboxylic acid or the salt thereof, is provided.
- As the glycol which is a main component of the coolant composition (hereinafter simply referred to as composition) according to the present invention, ethylene glycol, propylene glycol, 1,3-butylene glycol, hexylene glycol, diethylene glycol, glycerine and the like can be cited, and from among these, ethylene glycol and propylene glycol are desirable, from the point of view of chemical stability, ease of handling, price, availability and the like.
- The composition of the present invention contains the above described three components (a) to (c) in the above described main component, so that effects of preventing iron and aluminum from being corroded, particularly, effects of providing excellent corrosion preventing properties for aluminum and aluminum alloys at high temperatures exceeding 150° C. are gained as synergetic effects of these three components (a) to (c).
- As the aromatic monobasic acid or the salt thereof, which is component (a), benzoic acids, such as benzoic acid, nitrobenzoic acid and hydroxybenzoic acid, alkyl benzoic acids, such as p-toluic acid, p-ethyl benzoic acid, p-propyl benzoic acid, p-isopropyl benzoic acid and p-tert-butyl benzoic acid, alkoxy benzoic acids of which the general formula can be represented by RO—C6H4—COOH (R is an alkyl group containing any of C1 to C5), cinnamic acid, alkyl cinnamic acid and alkoxy cinnamic acid, of which the general formula can be represented by R—C6H4—CH═COOH (R is an alkyl group or an alkoxy group containing any of C1 to C5), as well as alkali metal salts, ammonium salts and amine salts of these, can be cited as examples. From among these, benzoic acid, p-toluic acid and p-tert butyl benzoic acid are excellent in corrosion preventing performance in aluminum and aluminum alloys, and it is desirable for at least one from among these to be included.
- Component (a) is included in a range from 0.1-10% by weight. This is because in the case where the content of component (a) is outside the above described range, sufficient corrosion preventing performance cannot be gained in aluminum and aluminum alloys, or use thereof becomes uneconomical.
- As the strontium compound, which is component (b), strontium oxide, strontium hydroxide, strontium chloride, strontium fluoride, strontium iodide, strontium sulfate, strontium nitrate, strontium titanate, strontium borate, strontium tungstate, strontium phosphate, strontium dihydrogen phosphate, strontium formate, strontium acetate, strontium propionate, strontium butyrate, strontium valerate, strontium laurate, strontium stearate, strontium oleate, strontium glutamate, strontium lactate, strontium succinate, strontium malate, strontium tartrate, strontium maleate, strontium citrate, strontium oxalate, strontium malonate, strontium sebacate, strontium benzoate, strontium phthalate, strontium salicylate and strontium mandelate can be cited as examples, and from among these, strontium nitrate, strontium sulfate and strontium phosphate are particularly desirable.
- In addition, as the magnesium compound, inorganic acid magnesium compounds, such as magnesium chloride, magnesium oxide, magnesium hydroxide, magnesium carbonate, magnesium nitrate, magnesium sulfate, magnesium titanate, magnesium tungstate, magnesium borate, magnesium phosphate, magnesium dihydrogen phosphate, magnesium ammonium phosphate, magnesium chromate, magnesium permanganate, magnesium fluoride and magnesium iodide, and organic acid magnesium compounds and the like, such as magnesium formate, magnesium acetate, magnesium propionate, magnesium butyrate, magnesium valerate, magnesium laurate, magnesium stearate, magnesium oleate, magnesium glutamate, magnesium lactate, magnesium succinate, magnesium malate, magnesium tartrate, magnesium hydrogen tartrate, magnesium maleate, magnesium citrate, magnesium oxalate, magnesium malonate, magnesium sebacate, magnesium benzoate, magnesium phthalate, magnesium salicylate and magnesium mandelate can be cited as examples.
- In addition, as the calcium compound, formate, acetate, propionate, butyrate, valerate, laurate, stearate, oleate, glutamate, lactate, succinate, malate, tartrate, maleate, citrate, oxalate, malonate, sebacate, benzoate, phthalate, salicylate, mandelate, oxide, hydroxide, permanganate, chromate, fluoride, iodide, carbonate, nitrate, sulfate, titanate, tungstate, borate, phosphate, dihydrogen phosphate and the like can be cited.
- Component (b), which is made of at least one compound selected from among the above described strontium compounds, magnesium compounds and calcium compounds, is included in a range from 0.0001-0.1% by weight. In the case where the content of any of these compounds is below 0.0001% by weight, sufficient effects of “preventing iron and aluminum from being corroded, particularly, of effectively suppressing corrosion of heat transfer surfaces of aluminum and aluminum alloys at high temperatures” cannot be expected, and in the case where the content exceeds 0.1% by weight, no extra effects are gained for the exceeding amount, and use of the compound is uneconomical.
- 2-phophsorobutane-1,2,4-tricarboxylic acid or the salt thereof, preferably sodium salt or potassium salt, which is component (c), is a component which provides effects of preventing aluminum and aluminum alloys from being corroded, particularly, effects of increasing, corrosion preventing properties at high temperatures, and component (c) works to suppress corrosion of aluminum and aluminum alloys, together with the above described component (b). Furthermore, component (c) works to suppress creation of precipitate as a result of reaction between phosphate and a hard water component in the liquid when phosphate coexists.
- This component (c) is included in a range from 0.01-1.0% by weight. This is because content outside this range does not provide the above described effects or makes the use of the component uneconomical.
- It is desirable for the composition of the present invention to adopt such a form as not to contain silicate or borate. This is because borate is corrosive against aluminum and aluminum alloys while silicate is inferior in stability in a liquid, so that it is easily gelled, that is, easily separates in the case where the temperature or pH changes or when another salt coexists, and as a result, a problem arises, such that the corrosion preventing performance is lowered.
- Furthermore, in the case of the composition of the present invention, such a form as not to include molybdate can be adopted. In this case, there is the merit that a negative effect, such that oxidation and deterioration in glycol are accelerated by the molybdate, can be prevented.
- The composition of the present invention can adopt such a form as to contain phosphate in addition to the above described three components (a) to (c). As the phosphate, orthophosphate, pyrophosphate, trimetaphosphate and tetrametaphosphate can be cited, and one or two or more from among these is included, and thereby, corrosion preventing properties for iron and aluminum, particularly, aluminum and aluminum alloys, are further enhanced. As for the content of phosphate, it is desirable for phosphate to be included in a range from 0.01-2.0% by weight.
- In addition, the composition of the present invention can adopt such a form as to include a triazole having excellent corrosion preventing properties for metals, particularly copper. As the triazole, benzotriazole, tolyltriazole, 4-phenyl-1,2,3-triazole, 2-naphto triazole and 4-nitrobenzo triazole can be cited as examples. As for the content of the triazole, a range from 0.05-1.0% by weight is desirable.
- Here, the composition of the present invention may include an antifoaming agent, a coloring agent or the like in addition to the above described components.
- The composition of the present invention contains (a) 0.1-10% by weight of at least one component selected from among aromatic monobasic acids or the alkali metal salts there of; (b) 0.0001-0.1% by weight of at least one component selected from among strontium compounds, magnesium compounds and calcium compounds; and (c) 0.01-1.0% by weight of 2-phosphonobutane-1,2,4-tricarboxylic acid, and therefore, effects of preventing iron and aluminum from being corroded, particularly, effects of providing excellent corrosion preventing properties for aluminum and aluminum alloys at high temperatures exceeding 150° C. can be gained.
- In the following, the composition of the present invention is described in further detail. The following Table 1 respectively shows an example which includes three components (a) to (c) and does not include phosphate (Embodiment 1), as well as an example which includes three components (a) to (c) and includes phosphate (Embodiment 2) as preferred embodiments, and an example which includes only component (a) and does not include the other two components (b) and (c) (Comparative Example 1), an example which includes two components (b) and (c) and includes an aliphatic monobasic acid instead of component (a) (Comparative Example 2), an example which includes two components (b) and (c) and includes an aliphatic dibasic acid instead of component (a) (Comparative Example 3), and an example which includes only component (a) and includes phosphate (Comparative Example 4) for comparison.
TABLE 1 Comparative Comparative Comparative Comparative Item Embodiment 1 Embodiment 2 Example 1 Example 2 Example 3 Example 4 p-tert-butyl benzoic acid 4.0 4.0 4.0 — — 4.0 Pentanoic acid — — — 4.0 — — Adipic acid — — — — 4.0 — Magnesium nitrate 0.01 0.01 — 0.01 0.01 — (hexahydrate) 2-phophonobutane-1,2, 0.08 0.08 — 0.08 0.08 — 4-tricarboxylic acid Phosphoric acid — 0.2 — — — 0.2 Tolyltriazole 0.3 0.3 0.3 0.3 0.3 0.3 Potassium hydroxide (1) (1) (1) (1) (1) (1) Water 2 2 2 2 2 2 Ethylene glycol Rest Rest Rest Rest Rest Rest
Note:
(1) indicates the amount that is required to neutralize the coolant composition so that the pH of each becomes up to 8.0
- High temperature metal corrosion test was performed on the respective samples of the above described Embodiments 1 and 2, as well as Comparative Examples 1 to 4, and a change of mass (mg/cm2) was confirmed in each metal, and whether or not there was abnormality in the appearance was confirmed. The results are shown in Table 2. Here, metal corrosion test was performed on the basis of the standard of metal corrosion property of JIS K 2234, and as the metals which to be subjected to this test, respective test pieces of cast aluminum, cast iron, steel, brass, solder and copper were used. In addition, test was carried out under conditions of 100° C. for 1000 hours with no ventilation in a pressurized air-tight container.
TABLE 2 Comparative Comparative Comparative Comparative Item Embodiment 1 Embodiment 2 Example 1 Example 2 Example 3 Example 4 Change Cast −0.03 +0.01 −0.12 −1.04 −0.31 −0.04 of mass aluminum mg/cm3 Cast iron −0.01 +0.02 +0.01 −18.6 −12.41 −0.06 Steel +0.01 0.00 −0.01 −0.23 −0.36 −0.02 Brass −0.04 −0.02 −0.03 −0.33 −0.24 0.00 Solder −0.08 −0.06 −0.07 −15.40 −1.01 −0.08 Copper −0.05 −0.04 −0.04 −0.23 −0.16 −0.04 Appearance of No No cast Cast aluminum: Cast aluminum: No test piece abnormality abnormality aluminum: tarnish local corrosion abnormality local Cast iron: General Cast iron: General corrosion Corrosion corrosion Steel: local Steel: local corrosion corrosion Solder: General Solder: tarnish Corrosion - It can be confirmed from Table 2 that the samples according to Embodiments 1 and 2 both had excellent corrosion preventing properties for metals, particularly cast aluminum, and that change in the appearance was small. Meanwhile, it can be confirmed that all of Comparative Examples 1 to 4, excluding Comparative Example 4, were poor in corrosion preventing properties.
- Next, high temperature cast aluminum transfer surface corrosion test was performed on the respective samples of the above described Embodiments 1 and 2, as well as Comparative Examples 1 to 4, and the change of mass (mg/cm2) was measured, and whether or not there was abnormality in the appearance was confirmed. The results are shown in Table 3. Here, high temperature cast aluminum heat transfer surface corrosion test was performed in compliance with the standard of corrosion property of cast aluminum at heat-transfer surface of JIS K 2234. The test temperature was 160° C., and the heat-resistant glass cell was replaced by a cell made of made of stainless steel.
TABLE 3 Comparative Comparative Comparative Comparative Item Embodiment 1 Embodiment 2 Example 1 Example 2 Example 3 Example 4 Change of mass mg/cm2 −0.3 −0.2 −0.8 −3.4 −6.4 −17.6 Appearance of test piece No No No General General General abnormality abnormality abnormality corrosion corrosion corrosion - It can be confirmed from Table 3 that the respective examples of Embodiments 1 and 2, as well as Comparative Example 1, had a small change of mass in comparison with Comparative Examples 2 to 4, and that specifically, Embodiments I and 2 had an amount of corrosion so high as to exceed −0.5, and thus, had excellent corrosion preventing properties for the cast aluminum heat transfer surface at high temperatures.
- Next, hard water stability testing was performed on Embodiment 2 and Comparative Example 4, which both include phosphate. As described above, phosphate reacts with a hard water component so as to create precipitate, and therefore, when distilled with hard water, a large amount of precipitate is created. Creation of precipitate reduces the corrosion preventing performance of the coolant, and in addition, the created precipitate settles along the circulation path in the cooling system, and thus, there is a risk that a state where the cooling system is clogged may be caused. The present testing allows for confirmation of the extent of the performance of suppressing reaction with a hard water component (hard water stability), and synthetic hard water where 48 mg of sodium sulfate, 165 mg of sodium chloride, 138 mg of sodium hydrogen carbonate and 275 mg of calcium chloride are dissolved in distilled water of It was used, in such a manner that the respective samples of Embodiment 2 and Comparative Example 4 were diluted to a concentration of 50% with this synthetic hard water, so as to be used as a test liquid, and whether or not there is abnormality (precipitate) in the appearance of the test liquid after 24 hours at 88° C. was confirmed for this test liquid. The results are shown in Table 4.
TABLE 4 Item Embodiment 2 Comparative Example Appearance of liquid after No abnormality Precipitation testing Deposition - As is clear from Table 4, creation of precipitate was observed in Comparative Example 4, while that there was no precipitation and excellent hard water stability was observed in Embodiment 2.
Claims (9)
1. A coolant composition comprising a glycol as a main ingredient,
(a) 0.1-10% by weight of at least one ingredient selected from the group consisting of aromatic monobasic acids and salts thereof;
(b) 0.0001-0.1% by weight of at least one ingredient selected from the group consisting of strontium compounds, magnesium compounds and calcium compounds; and
(c) 0.01-1.0% by weight of 2-phosphonobutane-1,2,4-tricarboxylic acid or a salt thereof.
2. The coolant composition of claim 1 , wherein essentially no silicate and essentially no borate are present.
3. The coolant composition of claim 1 wherein said aromatic monobasic acid is p-tert butyl benzoic acid, p-toluic acid or benzoic acid.
4. The coolant composition of claim 2 wherein said aromatic monobasic acid is p-tert butyl benzoic acid, p-toluic acid and benzoic acid.
5. The coolant composition of claim 1 further comprising about 0.01-2.0% by weight of phosphate.
6. The coolant composition of claim 2 , further comprising about 0.01-2.0% by weight of phosphate.
7. The coolant composition of claim 3 , further comprising about 0.01-2.0% by weight of phosphate.
8. The coolant composition of claim 4 , further comprising about 0.01-2.0% by weight of phosphate.
9. The coolant composition of claim 1 , further comprising about 0.05-1.0% by weight of triazole.
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PCT/JP2003/016647 WO2005033362A1 (en) | 2003-10-01 | 2003-12-24 | Liquid coolant composition |
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US (2) | US20060237685A1 (en) |
EP (1) | EP1683895B1 (en) |
JP (1) | JPWO2005033362A1 (en) |
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EP1683895A1 (en) | 2006-07-26 |
JPWO2005033362A1 (en) | 2006-12-14 |
AU2003296103A1 (en) | 2005-04-21 |
US20070096054A1 (en) | 2007-05-03 |
EP1683895B1 (en) | 2018-08-08 |
CN100584919C (en) | 2010-01-27 |
WO2005033362A1 (en) | 2005-04-14 |
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US7258814B2 (en) | 2007-08-21 |
CN1860255A (en) | 2006-11-08 |
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