CN104629607A - Environmental-friendly flame-retardant waterproof aqueous polyurethane coating and preparation method thereof - Google Patents
Environmental-friendly flame-retardant waterproof aqueous polyurethane coating and preparation method thereof Download PDFInfo
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- CN104629607A CN104629607A CN201510060421.8A CN201510060421A CN104629607A CN 104629607 A CN104629607 A CN 104629607A CN 201510060421 A CN201510060421 A CN 201510060421A CN 104629607 A CN104629607 A CN 104629607A
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
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- C09D175/08—Polyurethanes from polyethers
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- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
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Abstract
The invention discloses an environmental-friendly flame-retardant waterproof aqueous polyurethane coating and a preparation method thereof. The coating is prepared from the following raw materials in parts by weight: 150-200 parts of polyether polyol, 10-20 parts of 2, 4-diphenyl-methane-diisocyanate, 20-30 parts of toluene diisocynate, 10-14 parts of polydimethylsiloxane, 8-10 parts of nano cerium oxide, 6-8 parts of acetic ether, 9-13 parts of alkyl phosohate salt, 7-9 parts of chlorinated paraffin, 10-12 parts of talcum powder, 8-10 parts of pentaerythritol, 3-5 parts of trimethylolpropane, 3-5 parts of stannous octoate, 6-8 parts of dibutyltin dilaurate, 2-3 parts of an antioxidant TNP, 6-8 parts of nanotitanium dioxide, 0.8-1.2 parts of dicumyl peroxide, 16-20 parts of deionized water and 8-12 parts of auxiliaries. By reasonably adjusting the mass ratio of polyether polyol, the coating has good stretching strength and breaking elongation. By selecting organosilicone polydimethylsiloxane as a chain extender, the waterproof effect is improved under coordination of a fluorine flatting agent. By adding a proper amount of a plasticizer, the low temperature flexibility of the coating is improved, the solid content of the coating is reduced, and the application property of the coating is improved.
Description
Technical field
The present invention relates to chemical preparations field, be specifically related to a kind of environmental-protection flame-retardant waterproof aqueous polyurethane coating and preparation method thereof.
Background technology
Water-proof material main application fields comprises the roofing of building construction, underground, exterior wall and indoor; The public works such as urban road bridges and the underground space; The bridge of motorway and high-speed railway, tunnel; The traffic engineering such as sub.; The hydro projects such as flume, reservoir, dam body, natural flow station and water treatment, are applicable between roofing and lavatory bath, the waterproof of vault, water reservoir, metope, antiseepage, protection against the tide.Divide according to application material and can be used for the fields such as papermaking, weaving, leather.Aqueous polyurethane is a kind of urethane resin containing hydrophilic radical in the molecular chain of urethane, has very strong affinity, adopt specific technique can make it disperse in water and form stable system with glassware for drinking water.Aqueous polyurethane is mainly used in the aspects such as leather finish, textile printing and dyeing, paper-making industry, building coating, tackiness agent, steel moulder's paint, involved is nearly all inflammable material, these materials as without fire-retardant finish, must become the potential safety hazard of initiation fire in use.Aqueous polyurethane flame-retarded is one of important directions of aqueous polyurethane functionalization.
Summary of the invention
The object of this invention is to provide a kind of environmental-protection flame-retardant waterproof aqueous polyurethane coating and preparation method thereof.
For achieving the above object, the technical solution used in the present invention is:
A kind of environmental-protection flame-retardant waterproof aqueous polyurethane coating, formed by the preparation of raw material of following weight part: polyether glycol 150-200, 2, 4-diphenylmethanediisocyanate 10-20, tolylene diisocyanate 20-30, polydimethylsiloxane 10-14, nano-cerium oxide 8-10, vinyl acetic monomer 6-8, alkyl phosphate salt 9-13, clorafin 7-9, talcum powder 10-12, tetramethylolmethane 8-10, TriMethylolPropane(TMP) 3-5, stannous octoate 3-5, dibutyl tin laurate 6-8, antioxidant TNP 2-3, nano titanium oxide 6-8, dicumyl peroxide 0.8-1.2, deionized water 16-20, auxiliary agent 8-12,
Described auxiliary agent is made up of the raw material of following weight part: magnesium hydroxide 13-15, vinylformic acid 4-5, silicon powder 6-8, neopentyl glycol 7-9, vinylbenzene 4-6, acetate butyrate fiber 7-9, fluorine class flow agent 9-10, citrate 8-12, kaolin 6-10, brominated Polystyrene 8-10, antioxidant CA 3-5, polyvinylpyrrolidone 8-12;
The preparation method of described auxiliary agent is: take the magnesium hydroxide of above-mentioned weight part, silicon powder, acetate butyrate fiber, kaolin mixes after grinding respectively, then other remaining component is added, 20-30 minute is stirred be 150-200 rev/min by rotating speed in high mixer under, leave standstill and be cooled to room temperature, obtain required auxiliary agent.
A preparation method for environmental-protection flame-retardant waterproof aqueous polyurethane coating, comprises the following steps:
(1) polyether glycol taking above-mentioned mass parts adds in reactor, is evacuated to 0.09-0.1MPa, processed 100-150 minute at 95-100 DEG C, obtains dehydrated polyhydric alcohol solution;
(2) under the condition of stannous octoate, dibutyltin dilaurate catalyst by 2,4-diphenylmethanediisocyanate, tolylene diisocyanate join in the dehydrated polyhydric alcohol solution of step (1), then polydimethylsiloxane is added, be warming up to 75-80 DEG C under nitrogen protection, insulation reaction 250-300 minute, obtains base polyurethane prepolymer for use as;
(3) deionized water, vinyl acetic monomer, alkyl phosphate salt, tetramethylolmethane, TriMethylolPropane(TMP) is added in the base polyurethane prepolymer for use as obtained to step (2), through high-speed stirring emulsification 30-50 minute, obtained aqueous polyurethane emulsification;
(4) other remaining components such as nano-cerium oxide, clorafin, talcum powder, antioxidant TNP are added in hydrotropisms's emulsifying polyurethane thing, under 40-50 DEG C and PH are the condition of 7, high shear agitation process emulsifying polyurethane thing 40-60 minute, can obtain environmental-protection flame-retardant waterproof aqueous polyurethane coating.
Beneficial effect of the present invention:
The present invention, by the mass ratio of Reasonable adjustment polyether glycol, makes coating have good stretching, extension intensity and elongation at break.Select organosilicon polydimethylsiloxane to be chainextender, under the cooperation of fluorine class flow agent, improve waterproof effect, by adding appropriate softening agent, both having improve the low temperature flexibility of coating, having again reduced the solid content of coating, improved the application property of coating.Enable coating of the present invention film forming under-14 DEG C of-40 DEG C of conditions, film forming caudacoria surface is more smooth.
Embodiment
Below in conjunction with specific embodiment, technical scheme of the present invention is further described.
Embodiment 1:
A kind of environmental-protection flame-retardant waterproof aqueous polyurethane coating, formed by the preparation of raw material of following weight part (kg): polyether glycol 150,2,4-diphenylmethanediisocyanate 10, tolylene diisocyanate 20, polydimethylsiloxane 10, nano-cerium oxide 8, vinyl acetic monomer 6, alkyl phosphate salt 9, clorafin 7, talcum powder 10, tetramethylolmethane 8, TriMethylolPropane(TMP) 3, stannous octoate 3, dibutyl tin laurate 6, antioxidant TNP 2, nano titanium oxide 6, dicumyl peroxide 0.8, deionized water 16, auxiliary agent 8;
Described auxiliary agent is made up of the raw material of following weight part (kg): magnesium hydroxide 13, vinylformic acid 4, silicon powder 6, neopentyl glycol 7, vinylbenzene 4, acetate butyrate fiber 7, fluorine class flow agent 9, citrate 8, kaolin 6, brominated Polystyrene 8, antioxidant CA 3, polyvinylpyrrolidone 8; Preparation method is: take the magnesium hydroxide of above-mentioned weight part, silicon powder, acetate butyrate fiber, kaolin mixes after grinding respectively, then other remaining component is added, 20-30 minute is stirred be 150-200 rev/min by rotating speed in high mixer under, leave standstill and be cooled to room temperature, obtain required auxiliary agent.
A preparation method for environmental-protection flame-retardant waterproof aqueous polyurethane coating, comprises the following steps:
(1) polyether glycol taking above-mentioned mass parts adds in reactor, is evacuated to 0.09-0.1MPa, processed 100-150 minute at 95-100 DEG C, obtains dehydrated polyhydric alcohol solution;
(2) under the condition of stannous octoate, dibutyltin dilaurate catalyst by 2,4-diphenylmethanediisocyanate, tolylene diisocyanate join in the dehydrated polyhydric alcohol solution of step (1), then polydimethylsiloxane is added, be warming up to 75-80 DEG C under nitrogen protection, insulation reaction 250-300 minute, obtains base polyurethane prepolymer for use as;
(3) deionized water, vinyl acetic monomer, alkyl phosphate salt, tetramethylolmethane, TriMethylolPropane(TMP) is added in the base polyurethane prepolymer for use as obtained to step (2), through high-speed stirring emulsification 30-50 minute, obtained aqueous polyurethane emulsification;
(4) other remaining components such as nano-cerium oxide, clorafin, talcum powder, antioxidant TNP are added in hydrotropisms's emulsifying polyurethane thing, under 40-50 DEG C and PH are the condition of 7, high shear agitation process emulsifying polyurethane thing 40-60 minute, can obtain environmental-protection flame-retardant waterproof aqueous polyurethane coating.
Embodiment 2:
A kind of environmental-protection flame-retardant waterproof aqueous polyurethane coating, formed by the preparation of raw material of following weight part (kg): polyether glycol 175,2,4-diphenylmethanediisocyanate 15, tolylene diisocyanate 25, polydimethylsiloxane 12, nano-cerium oxide 9, vinyl acetic monomer 7, alkyl phosphate salt 11, clorafin 8, talcum powder 11, tetramethylolmethane 9, TriMethylolPropane(TMP) 4, stannous octoate 4, dibutyl tin laurate 7, antioxidant TNP 2.5, nano titanium oxide 7, dicumyl peroxide 1, deionized water 18, auxiliary agent 10;
Described auxiliary agent is made up of the raw material of following weight part (kg): magnesium hydroxide 14, vinylformic acid 4.5, silicon powder 7, neopentyl glycol 8, vinylbenzene 5, acetate butyrate fiber 8, fluorine class flow agent 9.5, citrate 10, kaolin 8, brominated Polystyrene 9, antioxidant CA 4, polyvinylpyrrolidone 10; Preparation method is: take the magnesium hydroxide of above-mentioned weight part, silicon powder, acetate butyrate fiber, kaolin mixes after grinding respectively, then other remaining component is added, 20-30 minute is stirred be 150-200 rev/min by rotating speed in high mixer under, leave standstill and be cooled to room temperature, obtain required auxiliary agent.
Preparation method is with embodiment 1.
Embodiment 3:
A kind of environmental-protection flame-retardant waterproof aqueous polyurethane coating, formed by the preparation of raw material of following weight part (kg): polyether glycol 200,2,4-diphenylmethanediisocyanate 20, tolylene diisocyanate 30, polydimethylsiloxane 14, nano-cerium oxide 10, vinyl acetic monomer 8, alkyl phosphate salt 13, clorafin 9, talcum powder 12, tetramethylolmethane 10, TriMethylolPropane(TMP) 5, stannous octoate 5, dibutyl tin laurate 8, antioxidant TNP 3, nano titanium oxide 8, dicumyl peroxide 1.2, deionized water 20, auxiliary agent 12;
Described auxiliary agent is made up of the raw material of following weight part (kg): magnesium hydroxide 15, vinylformic acid 5, silicon powder 8, neopentyl glycol 9, vinylbenzene 6, acetate butyrate fiber 9, fluorine class flow agent 10, citrate 12, kaolin 10, brominated Polystyrene 10, antioxidant CA 5, polyvinylpyrrolidone 12; Preparation method is: take the magnesium hydroxide of above-mentioned weight part, silicon powder, acetate butyrate fiber, kaolin mixes after grinding respectively, then other remaining component is added, 20-30 minute is stirred be 150-200 rev/min by rotating speed in high mixer under, leave standstill and be cooled to room temperature, obtain required auxiliary agent.
Preparation method is with embodiment 1.
The Performance Detection of the environmental-protection flame-retardant waterproof aqueous polyurethane coating that above-described embodiment 1-3 obtains is as shown in the table:
| Embodiment 1 | Embodiment 2 | Embodiment 3 | |
| Flame retardant properties | V-0 | V-0 | V-0 |
| Inner time of drying, sky | 5 | 4 | 4 |
| Tensile strength, Mpa | 8.5 | 9.4 | 9.7 |
| Water tolerance (48h), outward appearance | Normally | Normally | Normally |
| Sticking power, level | 2 | 3 | 3 |
Claims (2)
1. an environmental-protection flame-retardant waterproof aqueous polyurethane coating, it is characterized in that, formed by the preparation of raw material of following weight part: polyether glycol 150-200, 2, 4-diphenylmethanediisocyanate 10-20, tolylene diisocyanate 20-30, polydimethylsiloxane 10-14, nano-cerium oxide 8-10, vinyl acetic monomer 6-8, alkyl phosphate salt 9-13, clorafin 7-9, talcum powder 10-12, tetramethylolmethane 8-10, TriMethylolPropane(TMP) 3-5, stannous octoate 3-5, dibutyl tin laurate 6-8, antioxidant TNP 2-3, nano titanium oxide 6-8, dicumyl peroxide 0.8-1.2, deionized water 16-20, auxiliary agent 8-12,
Further, described auxiliary agent is made up of the raw material of following weight part: magnesium hydroxide 13-15, vinylformic acid 4-5, silicon powder 6-8, neopentyl glycol 7-9, vinylbenzene 4-6, acetate butyrate fiber 7-9, fluorine class flow agent 9-10, citrate 8-12, kaolin 6-10, brominated Polystyrene 8-10, antioxidant CA 3-5, polyvinylpyrrolidone 8-12;
The preparation method of auxiliary agent of the present invention is: take the magnesium hydroxide of above-mentioned weight part, silicon powder, acetate butyrate fiber, kaolin mixes after grinding respectively, then other remaining component is added, 20-30 minute is stirred be 150-200 rev/min by rotating speed in high mixer under, leave standstill and be cooled to room temperature, obtain required auxiliary agent.
2. the preparation method of a kind of environmental-protection flame-retardant waterproof aqueous polyurethane coating according to claim 1, is characterized in that, comprise the following steps:
(1) polyether glycol taking above-mentioned mass parts adds in reactor, is evacuated to 0.09-0.1MPa, processed 100-150 minute at 95-100 DEG C, obtains dehydrated polyhydric alcohol solution;
(2) under the condition of stannous octoate, dibutyltin dilaurate catalyst by 2,4-diphenylmethanediisocyanate, tolylene diisocyanate join in the dehydrated polyhydric alcohol solution of step (1), then polydimethylsiloxane is added, be warming up to 75-80 DEG C under nitrogen protection, insulation reaction 250-300 minute, obtains base polyurethane prepolymer for use as;
(3) deionized water, vinyl acetic monomer, alkyl phosphate salt, tetramethylolmethane, TriMethylolPropane(TMP) is added in the base polyurethane prepolymer for use as obtained to step (2), through high-speed stirring emulsification 30-50 minute, obtained aqueous polyurethane emulsification;
(4) other remaining components such as nano-cerium oxide, clorafin, talcum powder, antioxidant TNP are added in hydrotropisms's emulsifying polyurethane thing, under 40-50 DEG C and PH are the condition of 7, high shear agitation process emulsifying polyurethane thing 40-60 minute, can obtain environmental-protection flame-retardant waterproof aqueous polyurethane coating.
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| CN105802480A (en) * | 2016-04-05 | 2016-07-27 | 陈瑞言 | Single-component polyurethane coating and preparation method thereof |
| CN106280964A (en) * | 2016-08-11 | 2017-01-04 | 刘世超 | High ferro polyurethane coating |
| CN106349646A (en) * | 2016-08-26 | 2017-01-25 | 安徽省恒益工艺品有限公司 | Anticorrosion resin for handiwork |
| CN106947050A (en) * | 2017-05-03 | 2017-07-14 | 湖北博天体育设施有限公司 | A kind of environment-protecting and non-poisonous water-base polyurethane material and preparation method thereof |
| CN111057216A (en) * | 2019-12-31 | 2020-04-24 | 安徽三棵树涂料有限公司 | Single-component non-flammable polyurethane fireproof coating and preparation method thereof |
| CN111574821A (en) * | 2020-05-19 | 2020-08-25 | 广东合胜实业股份有限公司 | Special waterborne polyurethane waterproof material for high-speed railway bridges |
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| CN115505324A (en) * | 2021-06-07 | 2022-12-23 | 上海涂固安高科技有限公司 | Formula of waterborne polyurethane high-performance anti-UV finish paint |
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| CN105802480B (en) * | 2016-04-05 | 2018-03-27 | 陈瑞言 | A kind of one-can urethane coating and preparation method thereof |
| CN106280964A (en) * | 2016-08-11 | 2017-01-04 | 刘世超 | High ferro polyurethane coating |
| CN106349646A (en) * | 2016-08-26 | 2017-01-25 | 安徽省恒益工艺品有限公司 | Anticorrosion resin for handiwork |
| CN106947050A (en) * | 2017-05-03 | 2017-07-14 | 湖北博天体育设施有限公司 | A kind of environment-protecting and non-poisonous water-base polyurethane material and preparation method thereof |
| CN106947050B (en) * | 2017-05-03 | 2020-02-18 | 湖北博天体育设施有限公司 | Environment-friendly nontoxic waterborne polyurethane material and preparation method thereof |
| CN111057216A (en) * | 2019-12-31 | 2020-04-24 | 安徽三棵树涂料有限公司 | Single-component non-flammable polyurethane fireproof coating and preparation method thereof |
| CN111574821A (en) * | 2020-05-19 | 2020-08-25 | 广东合胜实业股份有限公司 | Special waterborne polyurethane waterproof material for high-speed railway bridges |
| CN111777887A (en) * | 2020-07-24 | 2020-10-16 | 安徽大松树脂有限公司 | Flame-retardant heat-resistant waterborne polyurethane coating and preparation method thereof |
| WO2022034585A1 (en) * | 2020-08-10 | 2022-02-17 | Bromine Compounds Ltd. | Flame retardant formulations for wood coating |
| CN115505324A (en) * | 2021-06-07 | 2022-12-23 | 上海涂固安高科技有限公司 | Formula of waterborne polyurethane high-performance anti-UV finish paint |
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