CN102627891A - Aqueous ultrathin steel structure fire-retardant coating and preparation method thereof - Google Patents
Aqueous ultrathin steel structure fire-retardant coating and preparation method thereof Download PDFInfo
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- CN102627891A CN102627891A CN2012101038717A CN201210103871A CN102627891A CN 102627891 A CN102627891 A CN 102627891A CN 2012101038717 A CN2012101038717 A CN 2012101038717A CN 201210103871 A CN201210103871 A CN 201210103871A CN 102627891 A CN102627891 A CN 102627891A
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Abstract
The invention relates to the field of preparation technologies of functional coatings, in particular to an aqueous ultrathin steel structure fire-retardant coating and a preparation method thereof. The coating comprises a vac-veova emulsion, chlorinated paraffin, ammonium polyphosphate, mono-pentaerythritol, melamine, a defoaming agent, a dispersant, a thickening agent, a chelating agent, a pH regulating agent, a film forming aid, a tank preservative, a paint film mold inhibitor, titanium pigment and water. In the aqueous ultrathin steel structure fire-retardant coating disclosed by the invention, the film forming agent with low glass transition temperature and flame retardant series and aid series with high mutual matching properties are adopted, so that the obtained fire-retardant coating has the excellent characteristics of high thixotropic property, good 'tank opening effect', high foaming performance and high flame retardance; and the preparation method of the fire-retardant coating has the advantages of readily-available raw materials, simple steps, low cost, convenience, environmental friendliness and high construction property.
Description
Technical field
The present invention relates to functional paint preparing technical field, particularly a kind of water super-thin steel structure fire-proof paint and preparation method thereof.
Background technology
Progressively raising along with China's sustainable development of economy and output of steel; Steel construction continues to bring out; Particularly the development of Lightweight Steel Construction is like a raging fire especially, and the range of application of steelwork expands to extensive fields more such as covil construction from industry and large common facility construction, yet; Though steelwork has advantages such as intensity height, good processability, its fire performance difference also is an inevitable problem.At steelwork external coating frie retardant coating is the domestic method in the present steel structure fireproof protection; A kind of water super-thin steel structure fire-proof paint of the prior art is the same with other coating at normal temperatures; Can play the protection and the effect of Dicoration base material, coating can expand when coating is met fire, and formation is than the spongy charcoal layer structure of tens times of original thick coatings even tens times; Play good effect of heat insulation, thereby prolong the fire endurance of steelwork.
Water super-thin steel structure fire-proof paint has preferably in the market: the aqueous environmental protection ultration expansion type steel structure fireproof paint of the water-soluble steel structure fire-proof paint of 3832 types that
serial water super-thin steel structure fire-proof paint that Akzo Nobel released in 2011, German Herberts produce and Beijing initiative nanosecond science and technology etc.; Wherein put down in writing in the patent of invention of the aqueous environmental protection ultration expansion type steel structure fireproof paint of Beijing initiative nanosecond science and technology; This frie retardant coating is as dispersion medium with water; With the flakey expansible black lead as the expansion strongthener; With one or more emulsions such as ACRYLIC EMULSION, chlorine partial emulsions as filmogen; Adopt ammonium polyphosphate, tetramethylolmethane, trimeric cyanamide etc. as intumescent system; What tetramethylolmethane adopted in its preparation process is to be added to the water earlier; Be warmed up to the technology of 80 ℃ of its hard xln of dissolving again, this explained hereafter cost is higher.
In the technical research process; Those skilled in the art successively select for use chlorine partial emulsion, pure acrylic acid emulsion, benzene emulsion, organosilicon crylic acid latex and wherein any two or more emulsions to mix to take as the coating filmogen and make an experiment; Find that through lateral comparison the foam performance of filming of the frie retardant coating of employing above-mentioned emulsion preparation is far below external certain water super-thin steel structure fire-proof paint.The pertinent literature record, Gong Jianqing etc. show the experimental study of steel structure fire-proof paint: different emulsions are bigger to the influence of same fireproof system, and the emulsion of not all kind may be used to aqueous fire-proof coating.Adopt the unfavorable reason of fire resistance of the frie retardant coating of above-mentioned emulsion preparation to be: fire-retardant powder decomposition temperature coupling such as emulsion resin and ammonium polyphosphate is undesirable; Viscosity after the resin fusion is big and limited the expansion process of foaming charcoal layer; Coating foaming carbon-coating is thinner thereby charcoal layer expansion multiplying power be low when causing coating to meet fire, and flameproof effect is poor; Simultaneously, because the monopentaerythritol xln particle diameter in the present homemade fire-retardant powder is big and hard, be difficult to grind, cause the coating fineness bad, coatingsurface is coarse, and has a strong impact on the collaborative foaming of fire-retardant powder.
Summary of the invention
The technical problem that the present invention will solve is: provide that a kind of and fire-retardant powder decomposition temperature matching is good, fire resistance is good, the simple water super-thin steel structure fire-proof paint of preparation technology and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: a kind of water super-thin steel structure fire-proof paint, and the mass percent of its each component is: vinegar uncle emulsion 20%～26%, clorafin 1～3%, ammonium polyphosphate 12～25%; Monopentaerythritol 6～10%, trimeric cyanamide 5～14%, skimmer 0.3～0.6%; Dispersion agent 0.2～0.5%, thickening material 0.3～2%, sequestrant 0.1～0.4%; PH regulator agent 0.1～0.5%, film coalescence aid 0.5～5%, in-can preservation agent 0.05～0.15%; Film preservative 0.5～1.5%, white titanium pigment 3～8%, surplus is a water.
Said vinegar uncle emulsion film forming material is the copolymerization product of vinyl acetate between to for plastic and tertiary ethylene carbonate; Second-order transition temperature is 20～30 ℃; Particle diameter is 300～500nm, and solid content is 50～55%, the JE-II type vinegar uncle emulsion of the outstanding nation in preferred Shanghai chemical industry; This emulsion is good with fire prevention powder decomposition temperature and collaborative foam performance matching, can significantly improve coating to the cohesive force between each component in the sticking power of steel and the coating.
Said clorafin is a fire retarding synergist, preferred No. 52 whiterusss, and it can play foaming and plastification on the basis of ammonium polyphosphate, trimeric cyanamide, monopentaerythritol flame-retardant system; Ammonium polyphosphate, trimeric cyanamide and monopentaerythritol are technical grade, and ammonium polyphosphate is a catalyzer in the flame-retardant system, and monopentaerythritol is a char-forming agent, and trimeric cyanamide is a whipping agent.
The selection of water super-thin steel structure fire-proof paint auxiliary agent and dosage formulation be related to throw out that coating prepares process produce degree, with color stuffing consistency, wetting situation; Coating stores back viscosity changing conditions, divides aqueous condition and caking situation etc.; The choose reasonable auxiliary agent is one of gordian technique of aqueous fire-proof coating preparation; Through a large amount of simultaneous tests, the application has selected the special assistant of suitable body series.
Consider the high thixotropic of system and the consistency of each component, the thick pulp-water property skimmer of the safe HT-608 type silicone of the preferred Nantong of said skimmer break, it can effectively reduce bubble and eliminate the shrinkage cavity defect of filming; Dispersion agent is ACUMER 9300 polyacrylates or the polyphosphoric acid salt aqueous dispersant of ROHM AND HAAS, but its effective wetting and disperse color stuffing improves mill efficiency.
For the stability in storage that improves this frie retardant coating and give thixotropy, said thickening material is cellulose family or associative thickener, preferred Natvosol thickening material; Sequestrant is the aminocarboxylic acid type organic, preferred YD 30 (EDTA), and the viscosity that can suppress in the coating storage process rises, and extends the shelf life; The 2-amino-2-methyl-1-propanol of the preferred DOW Chemical of pH regulator agent, it can effectively be controlled the color stuffing that causes because of the decline of pH value and reassociate; Film coalescence aid is a Yi Shiman texanol lauryl alcohol ester, can effectively reduce the minimum film-forming temperature of coating; The in-can preservation agent is 2-methyl-4-isothiazoline-3-ketone, and film preservative is 2-n-octyl-4-isothiazoline-3-ketone.
A kind of preparation method of water super-thin steel structure fire-proof paint has following steps:
(1) according to the mass percent of each component: vinegar uncle emulsion 20%～26%, clorafin 1～3%, ammonium polyphosphate 12～25%, monopentaerythritol 6～10%; Trimeric cyanamide 5～14%, skimmer 0.3～0.6%, dispersion agent 0.2～0.5%, thickening material 0.3～2%; Sequestrant 0.1～0.4%, pH regulator agent 0.1～0.5%, film coalescence aid 0.5～5%, in-can preservation agent 0.05～0.15%; Film preservative 0.5～1.5%, white titanium pigment 3～8%, surplus is a water, prepares material; Earlier monopentaerythritol is passed through the powder crusher in crushing, it is Powdered that its hard xln is broken into, and to reduce the follow-up sand milling time, enhances productivity;
(2) in order with dispersion agent, thickening material, half the, the film preservative of skimmer, half of in-can preservation agent, pH regulator agent, sequestrant, ammonium polyphosphate, trimeric cyanamide, Powdered monopentaerythritol, white titanium pigment and water thorough mixing in material-compound tank are even;
(3) with the material suction sand mill that mixes, add the agent of residue pH regulator, carry out the high speed sand milling and disperse, process the slurry of fineness 70～90 μ m;
(4) slurry is put into paint mixing tank, turn down rotating speed to 300～500r/min, add vinegar uncle's emulsion and clorafin, after mixing, slowly add film coalescence aid and residue skimmer, stirring at low speed 20min after-filtration gets product.
Film coalescence aid is 1mL/1～2min with the adding speed of residue skimmer in the said step (4).
The invention has the beneficial effects as follows: water super-thin steel structure fire-proof paint of the present invention has overcome the deficiency of water super-thin frie retardant coating in fire resistance and preparation technology in the prior art; Adopt the lower membrane-forming agent of second-order transition temperature, mutual matching fire retardant series and auxiliary agent series preferably, the gained frie retardant coating has high thixotropic, " opening a jar effect " good and foaming and fire resistance excellent characteristics; In storage process, this frie retardant coating has the water of being regardless of, does not lump, the characteristics that viscosity and pH value do not change with the storage time; Elder generation among the preparation method of this frie retardant coating can significantly improve production efficiency with monopentaerythritol through the Powdered step of powder crusher in crushing, and the preparation method of this frie retardant coating has that starting material are easy to get, step is simple, cost is low, make things convenient for environmental protection and the good advantage of application property.
Embodiment
Below in conjunction with preferred embodiment narration technical scheme, but the present invention is not limited only to following embodiment.
Embodiment 1
A kind of preparation method of water super-thin steel structure fire-proof paint has following steps:
(1) according to the mass percent of each component: vinegar uncle emulsion 22.5%, clorafin 2.4%, ammonium polyphosphate 21.8%, monopentaerythritol 7.8%; Trimeric cyanamide 13.7%, skimmer 0.3%, dispersion agent 0.3%, thickening material 0.4%; Sequestrant 0.2%, pH regulator agent 0.2%, film coalescence aid 0.8%, in-can preservation agent 0.05%; Film preservative 0.5%, white titanium pigment 6.6%, surplus is a water, prepares material; Earlier monopentaerythritol is passed through the powder crusher in crushing, it is Powdered that its hard xln is broken into, and to reduce the follow-up sand milling time, enhances productivity;
(2) in order with dispersion agent, thickening material, half the, the film preservative of skimmer, half of in-can preservation agent, pH regulator agent, sequestrant, ammonium polyphosphate, trimeric cyanamide, Powdered monopentaerythritol, white titanium pigment and water thorough mixing in material-compound tank are even;
(3) with the material suction sand mill that mixes, add the agent of residue pH regulator, carry out the high speed sand milling and disperse, process the slurry of fineness 70～90 μ m;
(4) slurry is put into paint mixing tank, turn down rotating speed to 300～500r/min, add vinegar uncle's emulsion and clorafin, after mixing, with speed adding film coalescence aid and the residue skimmer of 1mL/1～2min, stirring at low speed 20min after-filtration gets product.
Embodiment 2,3,4 and 5 proportioning raw materials see the following form 1, and the preparation method of the two is with embodiment 1, and the detected result of the foregoing description is shown in table 2 and table 3:
Table 1 embodiments of the invention 2,3,4 and 5 proportioning raw materials (unit: 100%)
The detected result of table 2 the foregoing description
The detected result of table 3 the foregoing description
Water super-thin steel structure fire-proof paint outward appearance uniform and smooth of the present invention, nothing caking, the surface drying time of filming is short, cold-resistant thermal cycling, receives fiery post-foaming multiplying power high, and fire endurance can reach more than the 61.5min, can form effective protection to steelwork.
Claims (5)
1. water super-thin steel structure fire-proof paint, it is characterized in that: the mass percent of each component is: vinegar uncle emulsion 20%～26%, clorafin 1～3%, ammonium polyphosphate 12～25%; Monopentaerythritol 6～10%, trimeric cyanamide 5～14%, skimmer 0.3～0.6%; Dispersion agent 0.2～0.5%, thickening material 0.3～2%, sequestrant 0.1～0.4%; PH regulator agent 0.1～0.5%, film coalescence aid 0.5～5%, in-can preservation agent 0.05～0.15%; Film preservative 0.5～1.5%, white titanium pigment 3～8%, surplus is a water.
2. water super-thin steel structure fire-proof paint as claimed in claim 1 is characterized in that: said vinegar uncle emulsion is the copolymerization product of vinyl acetate between to for plastic and tertiary ethylene carbonate, and second-order transition temperature is 20～30 ℃, and particle diameter is 300～500nm, and solid content is 50～55%.
3. water super-thin steel structure fire-proof paint as claimed in claim 1 is characterized in that: said skimmer is a thick silicone water-based skimmer; Dispersion agent is polyacrylate or polyphosphoric acid salt aqueous dispersant; Thickening material is a Natvosol; Sequestrant is a YD 30; The pH regulator agent is a 2-amino-2-methyl-1-propanol.
4. the preparation method of water super-thin steel structure fire-proof paint as claimed in claim 1 is characterized in that: have following steps:
(1) according to the mass percent of each component: vinegar uncle emulsion 20%～26%, clorafin 1～3%, ammonium polyphosphate 12～25%, monopentaerythritol 6～10%; Trimeric cyanamide 5～14%, skimmer 0.3～0.6%, dispersion agent 0.2～0.5%, thickening material 0.3～2%; Sequestrant 0.1～0.4%, pH regulator agent 0.1～0.5%, film coalescence aid 0.5～5%, in-can preservation agent 0.05～0.15%; Film preservative 0.5～1.5%, white titanium pigment 3～8%, surplus is a water, prepares material; Earlier that monopentaerythritol is powdered through the powder crusher in crushing;
(2) in order with dispersion agent, thickening material, half the, the film preservative of skimmer, half of in-can preservation agent, pH regulator agent, sequestrant, ammonium polyphosphate, trimeric cyanamide, Powdered monopentaerythritol, white titanium pigment and water thorough mixing in material-compound tank are even;
(3) with the material suction sand mill that mixes, add the agent of residue pH regulator, carry out the high speed sand milling and disperse, process the slurry of fineness 70～90 μ m;
(4) slurry is put into paint mixing tank, turn down rotating speed to 300～500r/min, add vinegar uncle's emulsion and clorafin, after mixing, slowly add film coalescence aid and residue skimmer, stirring at low speed 20min after-filtration gets product.
5. the preparation method of water super-thin steel structure fire-proof paint as claimed in claim 4 is characterized in that: film coalescence aid is 1mL/1～2min with the adding speed of residue skimmer in the said step (4).
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102838907A (en) * | 2012-08-24 | 2012-12-26 | 华南理工大学 | Waterborne ultra-thin steel structure fire retardant coating and preparation method thereof |
| CN102911566A (en) * | 2012-10-26 | 2013-02-06 | 清远市普塞呋磷化学有限公司 | Waterproof efficient intumescent fire retardant coating |
| CN102911570A (en) * | 2012-11-02 | 2013-02-06 | 浙江志强涂料有限公司 | Environmental-friendly decorative fire retardant coating and preparation method thereof |
| CN103059671A (en) * | 2012-12-16 | 2013-04-24 | 青岛中科英泰商用系统有限公司 | Novel anti-mildew paint |
| CN103396710A (en) * | 2013-08-06 | 2013-11-20 | 信和新材料股份有限公司 | Aqueous fireproof coating formula of indoor ultrathin steel structures and preparation technology thereof |
| CN104745080A (en) * | 2014-01-16 | 2015-07-01 | 沈阳派尔化学有限公司 | Composition of lead and halogen-free aqueous environmental-friendly indoor ultrathin steel structure fireproof coating and preparation method thereof |
| CN105440829A (en) * | 2015-12-11 | 2016-03-30 | 江苏兰陵高分子材料有限公司 | Waterborne intumescent fireproof coating for steel structure |
| CN106675244A (en) * | 2015-11-11 | 2017-05-17 | 江苏冠军涂料科技集团有限公司 | Tert-vinegar emulsion expansion-type fireproof paint and preparation technology thereof |
| CN106752477A (en) * | 2016-12-20 | 2017-05-31 | 公安部天津消防研究所 | Aqueous fire-proof dilatation and preparation method with weather resistance and fire resistance |
| CN107083129A (en) * | 2016-05-20 | 2017-08-22 | 南京长江涂料有限公司 | A kind of water super-thin steel structure fire-proof paint and preparation method thereof |
| CN107652796A (en) * | 2017-10-17 | 2018-02-02 | 江苏欣安新材料技术有限公司 | A kind of thin section steel structure fire-resisting paint and its production method |
| CN109467992A (en) * | 2018-10-17 | 2019-03-15 | 湘江涂料科技有限公司 | A kind of water super-thin steel structure fire-proof paint and preparation method thereof that suppression cigarette is water-fast |
| CN109679504A (en) * | 2019-01-07 | 2019-04-26 | 浙江波磊涂料有限公司 | A kind of water thin fireproof coating |
| CN110294996A (en) * | 2019-07-05 | 2019-10-01 | 辽宁大学 | A kind of fire extinguishing coating and preparation method thereof for power equipment |
| CN112852241A (en) * | 2021-02-01 | 2021-05-28 | 三棵树(上海)新材料研究有限公司 | Water-based steel structure flame-retardant coating and preparation method thereof |
| CN113150663A (en) * | 2021-05-07 | 2021-07-23 | 华阳新材料科技集团有限公司 | Preparation method of water-based polyurea-based expanded steel structure fireproof coating |
| CN115476419A (en) * | 2022-08-31 | 2022-12-16 | 德华兔宝宝装饰新材股份有限公司 | Fire-retardant solid wood composite floor and production method thereof |
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Cited By (22)
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| CN102838907A (en) * | 2012-08-24 | 2012-12-26 | 华南理工大学 | Waterborne ultra-thin steel structure fire retardant coating and preparation method thereof |
| CN102838907B (en) * | 2012-08-24 | 2015-04-22 | 华南理工大学 | Waterborne ultra-thin steel structure fire retardant coating and preparation method thereof |
| CN102911566A (en) * | 2012-10-26 | 2013-02-06 | 清远市普塞呋磷化学有限公司 | Waterproof efficient intumescent fire retardant coating |
| CN102911566B (en) * | 2012-10-26 | 2015-04-08 | 清远市普塞呋磷化学有限公司 | Waterproof efficient intumescent fire retardant coating |
| CN102911570A (en) * | 2012-11-02 | 2013-02-06 | 浙江志强涂料有限公司 | Environmental-friendly decorative fire retardant coating and preparation method thereof |
| CN103059671A (en) * | 2012-12-16 | 2013-04-24 | 青岛中科英泰商用系统有限公司 | Novel anti-mildew paint |
| CN103396710A (en) * | 2013-08-06 | 2013-11-20 | 信和新材料股份有限公司 | Aqueous fireproof coating formula of indoor ultrathin steel structures and preparation technology thereof |
| CN103396710B (en) * | 2013-08-06 | 2015-10-07 | 信和新材料股份有限公司 | A kind of water-based indoor ultrathin steel structure frie retardant coating and preparation technology thereof |
| CN104745080A (en) * | 2014-01-16 | 2015-07-01 | 沈阳派尔化学有限公司 | Composition of lead and halogen-free aqueous environmental-friendly indoor ultrathin steel structure fireproof coating and preparation method thereof |
| CN106675244A (en) * | 2015-11-11 | 2017-05-17 | 江苏冠军涂料科技集团有限公司 | Tert-vinegar emulsion expansion-type fireproof paint and preparation technology thereof |
| CN105440829A (en) * | 2015-12-11 | 2016-03-30 | 江苏兰陵高分子材料有限公司 | Waterborne intumescent fireproof coating for steel structure |
| CN105440829B (en) * | 2015-12-11 | 2018-11-16 | 江苏兰陵高分子材料有限公司 | A kind of water expansion fire-resistant coating for steel structure |
| CN107083129A (en) * | 2016-05-20 | 2017-08-22 | 南京长江涂料有限公司 | A kind of water super-thin steel structure fire-proof paint and preparation method thereof |
| CN107083129B (en) * | 2016-05-20 | 2020-06-19 | 南京长江涂料有限公司 | Water-based ultrathin steel structure fireproof coating and preparation method thereof |
| CN106752477A (en) * | 2016-12-20 | 2017-05-31 | 公安部天津消防研究所 | Aqueous fire-proof dilatation and preparation method with weather resistance and fire resistance |
| CN107652796A (en) * | 2017-10-17 | 2018-02-02 | 江苏欣安新材料技术有限公司 | A kind of thin section steel structure fire-resisting paint and its production method |
| CN109467992A (en) * | 2018-10-17 | 2019-03-15 | 湘江涂料科技有限公司 | A kind of water super-thin steel structure fire-proof paint and preparation method thereof that suppression cigarette is water-fast |
| CN109679504A (en) * | 2019-01-07 | 2019-04-26 | 浙江波磊涂料有限公司 | A kind of water thin fireproof coating |
| CN110294996A (en) * | 2019-07-05 | 2019-10-01 | 辽宁大学 | A kind of fire extinguishing coating and preparation method thereof for power equipment |
| CN112852241A (en) * | 2021-02-01 | 2021-05-28 | 三棵树(上海)新材料研究有限公司 | Water-based steel structure flame-retardant coating and preparation method thereof |
| CN113150663A (en) * | 2021-05-07 | 2021-07-23 | 华阳新材料科技集团有限公司 | Preparation method of water-based polyurea-based expanded steel structure fireproof coating |
| CN115476419A (en) * | 2022-08-31 | 2022-12-16 | 德华兔宝宝装饰新材股份有限公司 | Fire-retardant solid wood composite floor and production method thereof |
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Application publication date: 20120808 |