WO1990011820A2 - Porous articles - Google Patents
Porous articles Download PDFInfo
- Publication number
- WO1990011820A2 WO1990011820A2 PCT/GB1990/000531 GB9000531W WO9011820A2 WO 1990011820 A2 WO1990011820 A2 WO 1990011820A2 GB 9000531 W GB9000531 W GB 9000531W WO 9011820 A2 WO9011820 A2 WO 9011820A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- membrane
- polymer
- mole
- prepolymer
- hydrophobic
- Prior art date
Links
- 239000012528 membrane Substances 0.000 claims abstract description 73
- 230000001070 adhesive effect Effects 0.000 claims abstract description 42
- 239000000853 adhesive Substances 0.000 claims abstract description 41
- 229920001477 hydrophilic polymer Polymers 0.000 claims abstract description 37
- 229920001600 hydrophobic polymer Polymers 0.000 claims abstract description 37
- 239000011148 porous material Substances 0.000 claims abstract description 27
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 19
- 230000005660 hydrophilic surface Effects 0.000 claims abstract description 8
- 229920000642 polymer Polymers 0.000 claims description 30
- 229920001577 copolymer Polymers 0.000 claims description 28
- 239000000203 mixture Substances 0.000 claims description 26
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 21
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 19
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 18
- 239000011159 matrix material Substances 0.000 claims description 16
- 239000000178 monomer Substances 0.000 claims description 15
- 125000004432 carbon atom Chemical group C* 0.000 claims description 14
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims description 13
- 238000001556 precipitation Methods 0.000 claims description 12
- 239000002904 solvent Substances 0.000 claims description 12
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 10
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 claims description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 9
- 150000002500 ions Chemical class 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 229920000909 polytetrahydrofuran Polymers 0.000 claims description 8
- 125000005250 alkyl acrylate group Chemical group 0.000 claims description 7
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 6
- -1 polyetherurethanes Polymers 0.000 claims description 6
- 229920001228 polyisocyanate Polymers 0.000 claims description 6
- 239000005056 polyisocyanate Substances 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 5
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 5
- 229920001281 polyalkylene Polymers 0.000 claims description 5
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 5
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 4
- 125000003118 aryl group Chemical group 0.000 claims description 4
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 claims description 4
- 125000005442 diisocyanate group Chemical group 0.000 claims description 4
- 239000003960 organic solvent Substances 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000002244 precipitate Substances 0.000 claims description 4
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 claims description 3
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 3
- 102000004190 Enzymes Human genes 0.000 claims description 3
- 108090000790 Enzymes Proteins 0.000 claims description 3
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 3
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- 235000013877 carbamide Nutrition 0.000 claims description 3
- 229960001760 dimethyl sulfoxide Drugs 0.000 claims description 3
- 229940113088 dimethylacetamide Drugs 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000012948 isocyanate Substances 0.000 claims description 3
- 150000002513 isocyanates Chemical class 0.000 claims description 3
- KCAMXZBMXVIIQN-UHFFFAOYSA-N octan-3-yl 2-methylprop-2-enoate Chemical compound CCCCCC(CC)OC(=O)C(C)=C KCAMXZBMXVIIQN-UHFFFAOYSA-N 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 229920003226 polyurethane urea Polymers 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- OXHNLMTVIGZXSG-UHFFFAOYSA-N 1-Methylpyrrole Chemical compound CN1C=CC=C1 OXHNLMTVIGZXSG-UHFFFAOYSA-N 0.000 claims description 2
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 claims description 2
- SEDMFAYCVMLBFB-UHFFFAOYSA-N 2-methylpentyl prop-2-enoate Chemical compound CCCC(C)COC(=O)C=C SEDMFAYCVMLBFB-UHFFFAOYSA-N 0.000 claims description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 claims description 2
- 125000002947 alkylene group Chemical group 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 claims description 2
- 229920002492 poly(sulfone) Polymers 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 239000004417 polycarbonate Substances 0.000 claims description 2
- 229920000515 polycarbonate Polymers 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- 229920002620 polyvinyl fluoride Polymers 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 125000001174 sulfone group Chemical group 0.000 claims description 2
- 150000003672 ureas Chemical class 0.000 claims description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims 1
- 239000004202 carbamide Substances 0.000 claims 1
- 206010052428 Wound Diseases 0.000 description 32
- 208000027418 Wounds and injury Diseases 0.000 description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 26
- 229910001868 water Inorganic materials 0.000 description 26
- 239000000243 solution Substances 0.000 description 25
- 230000010261 cell growth Effects 0.000 description 9
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 8
- 210000000416 exudates and transudate Anatomy 0.000 description 8
- 230000000975 bioactive effect Effects 0.000 description 7
- 229920006029 tetra-polymer Polymers 0.000 description 7
- 210000001519 tissue Anatomy 0.000 description 7
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 6
- 210000004027 cell Anatomy 0.000 description 6
- 230000035876 healing Effects 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000012531 culture fluid Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000000123 paper Substances 0.000 description 4
- 210000002381 plasma Anatomy 0.000 description 4
- 102000004169 proteins and genes Human genes 0.000 description 4
- 108090000623 proteins and genes Proteins 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000845 anti-microbial effect Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000036571 hydration Effects 0.000 description 3
- 238000006703 hydration reaction Methods 0.000 description 3
- 238000000338 in vitro Methods 0.000 description 3
- 238000001727 in vivo Methods 0.000 description 3
- 238000005342 ion exchange Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 125000005395 methacrylic acid group Chemical group 0.000 description 3
- 239000002243 precursor Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 229910001415 sodium ion Inorganic materials 0.000 description 3
- 239000011800 void material Substances 0.000 description 3
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 2
- 206010039509 Scab Diseases 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 2
- 239000004599 antimicrobial Substances 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 2
- 238000009640 blood culture Methods 0.000 description 2
- 210000001124 body fluid Anatomy 0.000 description 2
- 239000010839 body fluid Substances 0.000 description 2
- 230000021164 cell adhesion Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 150000002009 diols Chemical class 0.000 description 2
- 238000012377 drug delivery Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000012010 growth Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012456 homogeneous solution Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 210000004962 mammalian cell Anatomy 0.000 description 2
- 210000005036 nerve Anatomy 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 102000004196 processed proteins & peptides Human genes 0.000 description 2
- 108090000765 processed proteins & peptides Proteins 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 230000037390 scarring Effects 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- 210000000626 ureter Anatomy 0.000 description 2
- 230000002792 vascular Effects 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 description 1
- NIXVAPHNPNMUIX-UHFFFAOYSA-N 6-amino-2-methylhex-2-enamide Chemical compound NC(=O)C(C)=CCCCN NIXVAPHNPNMUIX-UHFFFAOYSA-N 0.000 description 1
- DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical compound CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 description 1
- 229920002126 Acrylic acid copolymer Polymers 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical class [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000009007 Diagnostic Kit Methods 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 1
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 1
- 206010021639 Incontinence Diseases 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- 229920006373 Solef Polymers 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- VJHCJDRQFCCTHL-UHFFFAOYSA-N acetic acid 2,3,4,5,6-pentahydroxyhexanal Chemical compound CC(O)=O.OCC(O)C(O)C(O)C(O)C=O VJHCJDRQFCCTHL-UHFFFAOYSA-N 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- 239000011575 calcium Chemical class 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- UBAZGMLMVVQSCD-UHFFFAOYSA-N carbon dioxide;molecular oxygen Chemical compound O=O.O=C=O UBAZGMLMVVQSCD-UHFFFAOYSA-N 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000004113 cell culture Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- OWMBTIRJFMGPAC-UHFFFAOYSA-N dimethylamino 2-methylprop-2-enoate Chemical compound CN(C)OC(=O)C(C)=C OWMBTIRJFMGPAC-UHFFFAOYSA-N 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000011953 free-radical catalyst Substances 0.000 description 1
- 229960003444 immunosuppressant agent Drugs 0.000 description 1
- 230000001861 immunosuppressant effect Effects 0.000 description 1
- 239000003018 immunosuppressive agent Substances 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000012633 leachable Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000012982 microporous membrane Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000005373 pervaporation Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001432 poly(L-lactide) Polymers 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000002278 reconstructive surgery Methods 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
- 230000029663 wound healing Effects 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0011—Casting solutions therefor
- B01D67/00111—Polymer pretreatment in the casting solutions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0011—Casting solutions therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/26—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/425—Porous materials, e.g. foams or sponges
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/06—Specific viscosities of materials involved
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/0283—Pore size
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/38—Hydrophobic membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/48—Antimicrobial properties
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
- C08J2201/054—Precipitating the polymer by adding a non-solvent or a different solvent
- C08J2201/0542—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition
- C08J2201/0544—Precipitating the polymer by adding a non-solvent or a different solvent from an organic solvent-based polymer composition the non-solvent being aqueous
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8907740.8 | 1989-04-06 | ||
GB898907740A GB8907740D0 (en) | 1989-04-06 | 1989-04-06 | Porous articles |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1990011820A2 true WO1990011820A2 (en) | 1990-10-18 |
WO1990011820A3 WO1990011820A3 (en) | 1990-11-29 |
Family
ID=10654547
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1990/000531 WO1990011820A2 (en) | 1989-04-06 | 1990-04-06 | Porous articles |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0466794A1 (en) |
CN (1) | CN1047317A (en) |
AU (1) | AU5446190A (en) |
GB (1) | GB8907740D0 (en) |
IN (1) | IN173502B (en) |
WO (1) | WO1990011820A2 (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5954966A (en) * | 1997-01-31 | 1999-09-21 | University Of Ottawa | Membrane composition and method of preparation |
AU740682B2 (en) * | 1996-08-26 | 2001-11-08 | Massachusetts Institute Of Technology | Polymeric membranes and polymer articles having hydrophilic surface and method for their preparation |
US6372248B1 (en) * | 1994-10-28 | 2002-04-16 | Innovative Technologies Limited | Dehydrated hydrogels |
WO2003092873A1 (en) * | 2002-05-03 | 2003-11-13 | Pall Corporation | Blended polymer membrane media for treating aqueous fluids |
AU771431B2 (en) * | 1996-08-26 | 2004-03-25 | Massachusetts Institute Of Technology | Polymeric membranes and polymer articles having hydrophilic surface and method for their preparation |
EP2168668A1 (en) | 2008-09-25 | 2010-03-31 | Gambro Lundia AB | Membrane for cell expansion |
EP2168666A1 (en) | 2008-09-25 | 2010-03-31 | Gambro Lundia AB | Irradiated membrane for cell expansion |
EP2283914A1 (en) * | 2006-05-24 | 2011-02-16 | Millipore Corporation | Membrane surface modification by radiation-induced polymerization |
US8372297B2 (en) | 2008-03-14 | 2013-02-12 | Postech Academy-Industry Foundation | Method for fabricating membrane having hydrophilicity and hydrophobicity |
US8696909B2 (en) | 2008-09-25 | 2014-04-15 | Gambro Lundia Ab | Hybrid bioartificial kidney |
US9902939B2 (en) | 2008-09-25 | 2018-02-27 | Gambro Lundia Ab | Device for renal cell expansion |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9102089D0 (en) * | 1991-01-31 | 1991-03-13 | Johnson & Johnson Medical | Net wound dressings |
JP4189960B2 (en) * | 2003-05-28 | 2008-12-03 | 日東電工株式会社 | Hydrophilized porous membrane and method for producing the same |
CN105754302B (en) * | 2014-08-12 | 2018-09-25 | 东丽先端材料研究开发(中国)有限公司 | The micro- porous membrane of polyester of the segment containing aromatic series |
TWI615275B (en) * | 2016-11-14 | 2018-02-21 | 國立高雄大學 | Amphiphilic film structure having hydrophilic and hydrophobic properties |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB868157A (en) * | 1957-12-19 | 1961-05-17 | Union Carbide Corp | Improvements in and relating to pressure-sensitive adhesives |
DE1904549A1 (en) * | 1968-02-05 | 1969-08-28 | Minnesota Mining & Mfg | Sprayable acrylate adhesive |
DE2364125A1 (en) * | 1972-12-21 | 1974-07-11 | Teijin Ltd | ADHESIVE COMPOSITIONS |
GB1539131A (en) * | 1976-07-02 | 1979-01-24 | Minnesota Mining & Mfg | Pressure-sensitive adhesive tape employing moisture resistant adhesive |
EP0068696A2 (en) * | 1981-06-17 | 1983-01-05 | Smith and Nephew Associated Companies p.l.c. | Cured pressure sensitive adhesives |
EP0082433A2 (en) * | 1981-12-17 | 1983-06-29 | Hoechst Aktiengesellschaft | Hydrophilic asymmetrical macroporous membrane of a synthetic polymerizate |
EP0090483A2 (en) * | 1982-02-05 | 1983-10-05 | Pall Corporation | Polyamide membrane and process for its production |
EP0120265A1 (en) * | 1983-02-18 | 1984-10-03 | Daicel Chemical Industries, Ltd. | High-solid self-adhesive and process for the production thereof |
EP0184233A2 (en) * | 1984-11-13 | 1986-06-11 | Thermedics, Inc. | Drug dispensing wound dressing |
JPS61257203A (en) * | 1985-05-10 | 1986-11-14 | Terumo Corp | Hydrophilic porous membrane and its preparation |
EP0305787A1 (en) * | 1987-08-31 | 1989-03-08 | GAMBRO DIALYSATOREN GMBH & CO. KG | A process for manufacturing permselective asymmetric membranes suitable for haemodialysis and the so prepared membranes |
EP0327328A2 (en) * | 1988-02-01 | 1989-08-09 | PolyMedica Industries, Inc. | Adhesive-faced porous absorbent sheet and method of making same |
-
1989
- 1989-04-06 GB GB898907740A patent/GB8907740D0/en active Pending
-
1990
- 1990-04-05 IN IN252MA1990 patent/IN173502B/en unknown
- 1990-04-06 AU AU54461/90A patent/AU5446190A/en not_active Abandoned
- 1990-04-06 WO PCT/GB1990/000531 patent/WO1990011820A2/en not_active Application Discontinuation
- 1990-04-06 CN CN90103941A patent/CN1047317A/en active Pending
- 1990-04-06 EP EP90906313A patent/EP0466794A1/en not_active Withdrawn
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB868157A (en) * | 1957-12-19 | 1961-05-17 | Union Carbide Corp | Improvements in and relating to pressure-sensitive adhesives |
DE1904549A1 (en) * | 1968-02-05 | 1969-08-28 | Minnesota Mining & Mfg | Sprayable acrylate adhesive |
DE2364125A1 (en) * | 1972-12-21 | 1974-07-11 | Teijin Ltd | ADHESIVE COMPOSITIONS |
GB1539131A (en) * | 1976-07-02 | 1979-01-24 | Minnesota Mining & Mfg | Pressure-sensitive adhesive tape employing moisture resistant adhesive |
EP0068696A2 (en) * | 1981-06-17 | 1983-01-05 | Smith and Nephew Associated Companies p.l.c. | Cured pressure sensitive adhesives |
EP0082433A2 (en) * | 1981-12-17 | 1983-06-29 | Hoechst Aktiengesellschaft | Hydrophilic asymmetrical macroporous membrane of a synthetic polymerizate |
EP0090483A2 (en) * | 1982-02-05 | 1983-10-05 | Pall Corporation | Polyamide membrane and process for its production |
EP0120265A1 (en) * | 1983-02-18 | 1984-10-03 | Daicel Chemical Industries, Ltd. | High-solid self-adhesive and process for the production thereof |
EP0184233A2 (en) * | 1984-11-13 | 1986-06-11 | Thermedics, Inc. | Drug dispensing wound dressing |
JPS61257203A (en) * | 1985-05-10 | 1986-11-14 | Terumo Corp | Hydrophilic porous membrane and its preparation |
EP0305787A1 (en) * | 1987-08-31 | 1989-03-08 | GAMBRO DIALYSATOREN GMBH & CO. KG | A process for manufacturing permselective asymmetric membranes suitable for haemodialysis and the so prepared membranes |
EP0327328A2 (en) * | 1988-02-01 | 1989-08-09 | PolyMedica Industries, Inc. | Adhesive-faced porous absorbent sheet and method of making same |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN, Volume 11, No. 115 (C-415) (2562) 10 April 1987 & JP, A, 61257203 (Terumo Corp.) 14 November 1986 see the Abstract * |
PATENT ABSTRACTS OF JAPAN, Volume 12, No. 338 (C-527) (3185) 12 September 1988 & JP, A, 6397202 (Toray Ind Inc.) 27 April 1988 see the Abstract * |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6372248B1 (en) * | 1994-10-28 | 2002-04-16 | Innovative Technologies Limited | Dehydrated hydrogels |
AU740682B2 (en) * | 1996-08-26 | 2001-11-08 | Massachusetts Institute Of Technology | Polymeric membranes and polymer articles having hydrophilic surface and method for their preparation |
US6413621B1 (en) | 1996-08-26 | 2002-07-02 | Massachusetts Institute Of Technology | Polymeric membranes and other polymer articles having desired surface characteristics and method for their preparation |
AU771431B2 (en) * | 1996-08-26 | 2004-03-25 | Massachusetts Institute Of Technology | Polymeric membranes and polymer articles having hydrophilic surface and method for their preparation |
US5954966A (en) * | 1997-01-31 | 1999-09-21 | University Of Ottawa | Membrane composition and method of preparation |
WO2003092873A1 (en) * | 2002-05-03 | 2003-11-13 | Pall Corporation | Blended polymer membrane media for treating aqueous fluids |
EP2283914A1 (en) * | 2006-05-24 | 2011-02-16 | Millipore Corporation | Membrane surface modification by radiation-induced polymerization |
US8372297B2 (en) | 2008-03-14 | 2013-02-12 | Postech Academy-Industry Foundation | Method for fabricating membrane having hydrophilicity and hydrophobicity |
EP2168666A1 (en) | 2008-09-25 | 2010-03-31 | Gambro Lundia AB | Irradiated membrane for cell expansion |
WO2010034468A1 (en) | 2008-09-25 | 2010-04-01 | Gambro Lundia Ab | Membrane for cell expansion |
EP2168668A1 (en) | 2008-09-25 | 2010-03-31 | Gambro Lundia AB | Membrane for cell expansion |
US8435751B2 (en) | 2008-09-25 | 2013-05-07 | Gambro Lundia Ab | Membrane for cell expansion |
US8696909B2 (en) | 2008-09-25 | 2014-04-15 | Gambro Lundia Ab | Hybrid bioartificial kidney |
US9902939B2 (en) | 2008-09-25 | 2018-02-27 | Gambro Lundia Ab | Device for renal cell expansion |
US10974201B2 (en) | 2008-09-25 | 2021-04-13 | Gambro Lundia Ab | Irradiated membrane for cell expansion |
Also Published As
Publication number | Publication date |
---|---|
AU5446190A (en) | 1990-11-05 |
WO1990011820A3 (en) | 1990-11-29 |
EP0466794A1 (en) | 1992-01-22 |
GB8907740D0 (en) | 1989-05-17 |
CN1047317A (en) | 1990-11-28 |
IN173502B (en) | 1994-05-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4834747A (en) | Method of producing a multilayered prosthesis material and the material obtained | |
US4161948A (en) | Synthetic membrane for wound-dressings | |
EP0223415B1 (en) | Biocompatible microporous polymeric materials and methods of making same | |
WO1990011820A2 (en) | Porous articles | |
US4770664A (en) | Multilayered prosthesis material and a method of producing same | |
EP1335758B1 (en) | Devices that change size/shape via osmotic pressure | |
EP0118458B1 (en) | Biocompatible, antithrombogenic materials suitable for reconstructive surgery | |
US4156067A (en) | Polyurethane polymers characterized by lactone groups and hydroxyl groups in the polymer backbone | |
Wan Kim et al. | Design of nonthrombogenic polymer surfaces for blood-contacting medical devices | |
JPS6317458B2 (en) | ||
CN113248736A (en) | Anti-adhesion hydrogel, preparation method and application of anti-adhesion hydrogel in preparation of epidermal wound dressing | |
CA1155591A (en) | Polyurethane polymers characterized by lactone groups and hydroxyl groups in the polymer backbone | |
WO2000045869A1 (en) | A film for medical use, consisting of linear block polymers of polyurethane and a method for the production of such a film | |
WO1985003444A1 (en) | A body tissue replacement product and a method of producing the product | |
JPS60220068A (en) | Living body covering film | |
ALEYAMMA | CHANDRA P. SHARMA, Ph. D. ¹ | |
MXPA01007280A (en) | A film for medical use, consisting of linear block polymers of polyurethane and a method for the production of such a film | |
PL191004B1 (en) | Method of making laminated surgical implants | |
PL176000B1 (en) | Method of obtaining bicompatible hydrogel membrane for constructing artificial hybrid body organs |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A2 Designated state(s): AT AU BB BG BR CA CH DE DK ES FI GB HU JP KP KR LK LU MC MG MW NL NO RO SD SE SU US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A2 Designated state(s): AT BE BF BJ CF CG CH CM DE DK ES FR GA GB IT LU ML MR NL SE SN TD TG |
|
AK | Designated states |
Kind code of ref document: A3 Designated state(s): AT AU BB BG BR CA CH DE DK ES FI GB HU JP KP KR LK LU MC MG MW NL NO RO SD SE SU US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A3 Designated state(s): AT BE BF BJ CF CG CH CM DE DK ES FR GA GB IT LU ML MR NL SE SN TD TG |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1990906313 Country of ref document: EP |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
WWP | Wipo information: published in national office |
Ref document number: 1990906313 Country of ref document: EP |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 1990906313 Country of ref document: EP |