CN108441109A - A kind of high fire-retardance water resistance polyurethane coating - Google Patents

A kind of high fire-retardance water resistance polyurethane coating Download PDF

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CN108441109A
CN108441109A CN201810389563.2A CN201810389563A CN108441109A CN 108441109 A CN108441109 A CN 108441109A CN 201810389563 A CN201810389563 A CN 201810389563A CN 108441109 A CN108441109 A CN 108441109A
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parts
component
water resistance
high fire
resistance polyurethane
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朱立芳
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ANHUI BIG PINE RESIN Co Ltd
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ANHUI BIG PINE RESIN Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • 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
    • C09D175/04—Polyurethanes
    • C09D175/08—Polyurethanes from polyethers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • 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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18—Fireproof paints including high temperature resistant paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/66—Additives characterised by particle size
    • C09D7/69—Particle size larger than 1000 nm
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses a kind of high fire-retardance water resistance polyurethane coatings, are mixed by component A and B component, and the weight ratio of component A and B component is 25：1‑2；The raw material of component A includes：Polytetramethylene ether diol, paraphenylene diisocyanate, 1,4 butanediols, trimethylolpropane, silane coupling agent KH 570, silane coupling agent KH 550, chlorinated paraffin；The raw material of B component includes：Epoxy type polysulfide rubber, caprolactam modified casein, fumaropimaric acid, humic acid, fluorographite, carbonic acid silicon, active calcium silicate, triethylamine, azodiisobutyronitrile, fire retardant, hydroxy-ethyl acrylate, solvent, auxiliary agent.High fire-retardance water resistance polyurethane coating proposed by the present invention, water resistance and excellent fireproof performance, it is heat-resist.

Description

A kind of high fire-retardance water resistance polyurethane coating
Technical field
The present invention relates to polyurethanes technology field more particularly to a kind of high fire-retardance water resistance polyurethane coatings.
Background technology
Polyurethane coating because with good physical and mechanical properties be widely used at present vehicle paintwork, ship, Timber, building application, anticorrosive coating, aircraft, plastics, rubber, leather the various fields such as external coating.However, polyurethane Product after polymerisation is organic matter, thus keeps the fire protecting performance of coating itself very poor, itself belongs to inflammable grade, to make During use, there are poor flame retardant properties, the security risks of fire hazardous for polyurethane coating.
Invention content
Technical problems based on background technology, the present invention propose a kind of high fire-retardance water resistance polyurethane coating, Water resistance and excellent fireproof performance, it is heat-resist.
A kind of high fire-retardance water resistance polyurethane coating proposed by the present invention, is mixed, and A groups by component A and B component It is 2-5 to divide with the weight ratio of B component：1-2；
Wherein, the raw material of the component A includes by weight：20-40 parts of polytetramethylene ether diol, to benzene diisocyanate 28-45 parts of ester, 1-4.8 parts of 1,4- butanediols, 1.8-4.5 parts of trimethylolpropane, 0.2-1.1 parts of Silane coupling reagent KH-570, 0.1-0.5 parts of silane resin acceptor kh-550,0.2-1 parts of chlorinated paraffin；
The raw material of the B component includes by weight：10-20 parts of epoxy type polysulfide rubber, caprolactam modified casein 13-32 parts, 5-13 parts of fumaropimaric acid, 2-9 parts of humic acid, 4-11 parts of fluorographite, 8-13 parts of carbonic acid silicon, active calcium silicate 1- 5 parts, 0.03-0.12 parts of triethylamine, 0.1-0.8 parts of azodiisobutyronitrile, 5-13 parts of fire retardant, 1.8-4 parts of hydroxy-ethyl acrylate, 30-50 parts of solvent, 1-3 parts of auxiliary agent.
Preferably, the epoxide equivalent of the epoxy type polysulfide rubber is 555-630g/mol.
Preferably, the average grain diameter of the active calcium silicate is 10-25 μm, specific surface area 0.3-0.42m2/g。
Preferably, the fire retardant is melamine, melamine pyrophosphate, fluorine-containing phosphor nitrogen combustion inhibitor are by weight 1-3：3-6：The mixture of 8-17.
Preferably, the fluorine-containing phosphor nitrogen combustion inhibitor is prepared according to following technique：4,4- diamino -3,3- difluoros are joined Benzene is added in acetonitrile, is stirred evenly at 65-78 DEG C, and the acetonitrile solution of dichloro-phenyl phosphate is added under the protection of nitrogen, It is stirred to react 3-6.5h at 53-68 DEG C, is filtered, washed after reaction, is dried to obtain the fluorine-containing phosphor nitrogen combustion inhibitor.
Preferably, in the preparation process of fluorine-containing phosphor nitrogen combustion inhibitor, 4,4- diamino -3,3- DfBPs, dichloro phosphoric acid The weight ratio of phenyl ester is 20-25：17-20.8.
Preferably, the auxiliary agent is the mixture of one or more of levelling agent, dispersant, antifoaming agent.
High fire-retardance water resistance polyurethane coating of the present invention, in raw material, with polytetramethylene ether diol and to benzene two Isocyanates is raw material, and adds Silane coupling reagent KH-570 and silane resin acceptor kh-550, during coating preparation, Silane coupling reagent KH-570 and silane resin acceptor kh-550 can be with polyurethane prepolymer precursor reactants, to contain double bond and amino Organic silicon monomer has been grafted in polyurethane molecular chain, on the one hand, organic silicon monomer is gathered in the surface of polymer, improves painting The water resistance of material, while the thermal stability of coating is improved, and the tensile strength of coating is improved, on the other hand, ammonia therein With the epoxy group in epoxy type polysulfide rubber ring-opening reaction can occur for base, obtain polyol, and hydroxyl therein again can be with Hundreds of nanometers of little particle is formd to which epoxy type polysulfide rubber to be introduced into polyurethane molecular with polyurethane reaction, Have the function of reinforcing agent, coordinates with fluorographite, carbonic acid silicon, the active calcium silicate in system, improve the mechanical property of coating Energy and thermal stability；It is total with fumaropimaric acid, humic acid cooperation and polyurethane in caprolactam modified casein addition system It is mixed, make to produce hydrogen bond action between interface, improves the water resistance of coating, while improving the adhesive force of coating, reach 7.35MPa or more, while because the tricyclic phenanthrene skeleton structure of fumaropimaric acid to be introduced into system, increase coating water-resistance, Hardness, gloss and heat resistance；Fire retardant is specifically chosen melamine, melamine pyrophosphate, fluorine-containing phosphor nitrogen combustion inhibitor by weight Amount is than being 1-3：3-6：The mixture of 8-17 makes three play synergistic effect, improves the anti-flammability and water resistance of coating, specifically Ground is original with 4,4- diamino -3,3- DfBP and dichloro-phenyl phosphate in the preparation process of fluorine-containing phosphor nitrogen combustion inhibitor Material, makes the amino in 4,4- diamino -3,3- DfBPs be reacted with the chlorine in dichloro-phenyl phosphate, has obtained fluorine-containing Phosphor nitrogen combustion inhibitor is added into system, is on the one hand coordinated with melamine, melamine pyrophosphate, is generated inert gas And promote into charcoal and act on, assign coating certain flame retardant property, on the other hand, introduce fluorine element, can in system Fluorographite coordinates, and further improves the water resistance of coating.
Specific implementation mode
In the following, technical scheme of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of high fire-retardance water resistance polyurethane coating proposed by the present invention, is mixed, and A groups by component A and B component It is 5 to divide with the weight ratio of B component：1；
Wherein, the raw material of the component A includes by weight：20 parts of polytetramethylene ether diol, paraphenylene diisocyanate 45 parts, 1 part of 1,4- butanediols, 4.5 parts of trimethylolpropane, 0.2 part of Silane coupling reagent KH-570, silane resin acceptor kh-550 0.5 part, 0.2 part of chlorinated paraffin；
The raw material of the B component includes by weight：10 parts of epoxy type polysulfide rubber, caprolactam modified casein 32 Part, 5 parts of fumaropimaric acid, 9 parts of humic acid, 4 parts of fluorographite, 13 parts of carbonic acid silicon, 1 part of active calcium silicate, 0.12 part of triethylamine, 0.1 part of azodiisobutyronitrile, 13 parts of fire retardant, 1.8 parts of hydroxy-ethyl acrylate, 50 parts of solvent, 1 part of auxiliary agent.
Embodiment 2
A kind of high fire-retardance water resistance polyurethane coating proposed by the present invention, is mixed, and A groups by component A and B component It is 2 to divide with the weight ratio of B component：2；
Wherein, the raw material of the component A includes by weight：40 parts of polytetramethylene ether diol, paraphenylene diisocyanate 28 parts, 4.8 parts of 1,4- butanediols, 1.8 parts of trimethylolpropane, 1.1 parts of Silane coupling reagent KH-570, silane resin acceptor kh-550 0.1 part, 1 part of chlorinated paraffin；
The raw material of the B component includes by weight：20 parts of epoxy type polysulfide rubber, caprolactam modified casein 13 Part, 13 parts of fumaropimaric acid, 2 parts of humic acid, 11 parts of fluorographite, 8 parts of carbonic acid silicon, 5 parts of active calcium silicate, triethylamine 0.03 Part, 0.8 part of azodiisobutyronitrile, 5 parts of fire retardant, 4 parts of hydroxy-ethyl acrylate, 30 parts of solvent, 3 parts of auxiliary agent.
Embodiment 3
A kind of high fire-retardance water resistance polyurethane coating proposed by the present invention, is mixed, and A groups by component A and B component It is 4.3 to divide with the weight ratio of B component：1.8；
Wherein, the raw material of the component A includes by weight：25 parts of polytetramethylene ether diol, paraphenylene diisocyanate 42 parts, 1.3 parts of 1,4- butanediols, 4 parts of trimethylolpropane, 0.4 part of Silane coupling reagent KH-570, silane resin acceptor kh-550 0.42 part, 0.4 part of chlorinated paraffin；
The raw material of the B component includes by weight：18 parts of epoxy type polysulfide rubber, caprolactam modified casein 18 Part, 11 parts of fumaropimaric acid, 3 parts of humic acid, 8 parts of fluorographite, 9 parts of carbonic acid silicon, 4.3 parts of active calcium silicate, triethylamine 0.06 Part, 0.72 part of azodiisobutyronitrile, 7 parts of fire retardant, 3.4 parts of hydroxy-ethyl acrylate, 37 parts of solvent, 2.7 parts of auxiliary agent；
Wherein, the epoxide equivalent of the epoxy type polysulfide rubber is 630g/mol；
The average grain diameter of the active calcium silicate is 10 μm, specific surface area 0.42m2/g；
The fire retardant is melamine, melamine pyrophosphate, fluorine-containing phosphor nitrogen combustion inhibitor are 1 by weight：6：8 Mixture；
The fluorine-containing phosphor nitrogen combustion inhibitor is prepared according to following technique：4,4- diamino -3,3- DfBPs are added It in acetonitrile, is stirred evenly at 65 DEG C, the acetonitrile solution of dichloro-phenyl phosphate is added under the protection of nitrogen, is stirred at 68 DEG C 3h is reacted, is filtered, washed after reaction, is dried to obtain the fluorine-containing phosphor nitrogen combustion inhibitor；
In the preparation process of fluorine-containing phosphor nitrogen combustion inhibitor, 4,4- diamino -3,3- DfBPs, dichloro-phenyl phosphate weight Amount is than being 25：17；
The auxiliary agent is levelling agent.
Embodiment 4
A kind of high fire-retardance water resistance polyurethane coating proposed by the present invention, is mixed, and A groups by component A and B component It is 3 to divide with the weight ratio of B component：1.3；
Wherein, the raw material of the component A includes by weight：37 parts of polytetramethylene ether diol, paraphenylene diisocyanate 30 parts, 4.2 parts of 1,4- butanediols, 2 parts of trimethylolpropane, 0.8 part of Silane coupling reagent KH-570, silane resin acceptor kh-550 0.18 part, 0.8 part of chlorinated paraffin；
The raw material of the B component includes by weight：12 parts of epoxy type polysulfide rubber, caprolactam modified casein 30 Part, 7 parts of fumaropimaric acid, 8 parts of humic acid, 6 parts of fluorographite, 11 parts of carbonic acid silicon, 2 parts of active calcium silicate, 0.1 part of triethylamine, 0.16 part of azodiisobutyronitrile, 11 parts of fire retardant, 2.3 parts of hydroxy-ethyl acrylate, 43 parts of solvent, 1.6 parts of auxiliary agent；
Wherein, the epoxide equivalent of the epoxy type polysulfide rubber is 555g/mol；
The average grain diameter of the active calcium silicate is 25 μm, specific surface area 0.3m2/g；
The fire retardant is melamine, melamine pyrophosphate, fluorine-containing phosphor nitrogen combustion inhibitor are 3 by weight：3：17 Mixture；
The fluorine-containing phosphor nitrogen combustion inhibitor is prepared according to following technique：4,4- diamino -3,3- DfBPs are added It in acetonitrile, is stirred evenly at 78 DEG C, the acetonitrile solution of dichloro-phenyl phosphate is added under the protection of nitrogen, is stirred at 53 DEG C 6.5h is reacted, is filtered, washed after reaction, is dried to obtain the fluorine-containing phosphor nitrogen combustion inhibitor；
In the preparation process of fluorine-containing phosphor nitrogen combustion inhibitor, 4,4- diamino -3,3- DfBPs, dichloro-phenyl phosphate weight Amount is than being 20：20.8；
The auxiliary agent is antifoaming agent.
Embodiment 5
A kind of high fire-retardance water resistance polyurethane coating proposed by the present invention, is mixed, and A groups by component A and B component It is 4 to divide with the weight ratio of B component：1.6；
Wherein, the raw material of the component A includes by weight：30 parts of polytetramethylene ether diol, paraphenylene diisocyanate 32 parts, 3.2 parts of 1,4- butanediols, 3.8 parts of trimethylolpropane, 0.7 part of Silane coupling reagent KH-570, silane resin acceptor kh-550 0.3 part, 0.5 part of chlorinated paraffin；
The raw material of the B component includes by weight：15 parts of epoxy type polysulfide rubber, caprolactam modified casein 21 Part, 8 parts of fumaropimaric acid, 7 parts of humic acid, 8 parts of fluorographite, 10 parts of carbonic acid silicon, 3 parts of active calcium silicate, 0.1 part of triethylamine, 0.4 part of azodiisobutyronitrile, 9 parts of fire retardant, 2.6 parts of hydroxy-ethyl acrylate, 40 parts of solvent, 2 parts of auxiliary agent；
Wherein, the epoxide equivalent of the epoxy type polysulfide rubber is 585g/mol；
The average grain diameter of the active calcium silicate is 18 μm, specific surface area 0.35m2/g；
The fire retardant is melamine, melamine pyrophosphate, fluorine-containing phosphor nitrogen combustion inhibitor are 2 by weight：4：11 Mixture；
The fluorine-containing phosphor nitrogen combustion inhibitor is prepared according to following technique：4,4- diamino -3,3- DfBPs are added It in acetonitrile, is stirred evenly at 72 DEG C, the acetonitrile solution of dichloro-phenyl phosphate is added under the protection of nitrogen, is stirred at 59 DEG C 5h is reacted, is filtered, washed after reaction, is dried to obtain the fluorine-containing phosphor nitrogen combustion inhibitor；
In the preparation process of fluorine-containing phosphor nitrogen combustion inhibitor, 4,4- diamino -3,3- DfBPs, dichloro-phenyl phosphate weight Amount is than being 22：19；
The auxiliary agent is the mixture of levelling agent, dispersant, antifoaming agent, and the weight ratio of levelling agent, dispersant, antifoaming agent It is 3：4：2.
It prepared by high fire-retardance water resistance polyurethane coating described in embodiment 1-5 formed a film, and carry out performance detection, it is maximum Smoke density is 9-15, and the time for reaching maximum smoke density is 180-200s, and oxygen index (OI) is more than 32.5%, flaming combustion time 9- 10.2s；By the coating in embodiment 1-5 according to standard GB/T/T 1733-1993《Paint film water resistance measuring method》It makes respectively Standard sample is immersed in the water the 2/3 of standard sample, it is allowed to be come into full contact with water, primary per observation for 24 hours, and tests and be positioned in water It is after 240h as a result, by test result it is found that the standard sample of the coating preparation in embodiment 1-5 after 240h there is no loss of gloss, Phenomena such as changing colour, blister, wrinkling, getting rusty；By above-mentioned data it is found that high fire-retardance water resistance polyurethane coating of the present invention is water-fast Property and excellent fireproof performance.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (7)

1. a kind of high fire-retardance water resistance polyurethane coating, which is characterized in that it is mixed by component A and B component, and component A Weight ratio with B component is 2-5：1-2；
Wherein, the raw material of the component A includes by weight：20-40 parts of polytetramethylene ether diol, paraphenylene diisocyanate 28-45 parts, 1-4.8 parts of 1,4- butanediols, 1.8-4.5 parts of trimethylolpropane, 0.2-1.1 parts of Silane coupling reagent KH-570, silicon 0.1-0.5 parts of alkane coupling agent KH-550,0.2-1 parts of chlorinated paraffin；
The raw material of the B component includes by weight：10-20 parts of epoxy type polysulfide rubber, caprolactam modified casein 13-32 Part, 5-13 parts of fumaropimaric acid, 2-9 parts of humic acid, 4-11 parts of fluorographite, 8-13 parts of carbonic acid silicon, 1-5 parts of active calcium silicate, 0.03-0.12 parts of triethylamine, 0.1-0.8 parts of azodiisobutyronitrile, 5-13 parts of fire retardant, 1.8-4 parts of hydroxy-ethyl acrylate, solvent 30-50 parts, 1-3 parts of auxiliary agent.
2. high fire-retardance water resistance polyurethane coating according to claim 1, which is characterized in that the epoxy type polysulfide rubber Epoxide equivalent is 555-630g/mol.
3. high fire-retardance water resistance polyurethane coating according to claim 1 or claim 2, which is characterized in that the active calcium silicate Average grain diameter is 10-25 μm, specific surface area 0.3-0.42m2/g。
4. according to any one of the claim 1-3 high fire-retardance water resistance polyurethane coatings, which is characterized in that the fire retardant It is 1-3 by weight for melamine, melamine pyrophosphate, fluorine-containing phosphor nitrogen combustion inhibitor：3-6：The mixture of 8-17.
5. high fire-retardance water resistance polyurethane coating according to claim 4, which is characterized in that the fluorine-containing phosphor nitrogen combustion inhibitor is pressed It is prepared according to following technique：4,4- diamino -3,3- DfBPs are added in acetonitrile, are stirred evenly at 65-78 DEG C, The acetonitrile solution of dichloro-phenyl phosphate is added under the protection of nitrogen, 3-6.5h is stirred to react at 53-68 DEG C, after reaction mistake It filters, wash, being dried to obtain the fluorine-containing phosphor nitrogen combustion inhibitor.
6. high fire-retardance water resistance polyurethane coating according to claim 5, which is characterized in that in the system of fluorine-containing phosphor nitrogen combustion inhibitor During standby, 4,4- diamino -3,3- DfBPs, dichloro-phenyl phosphate weight ratio be 20-25：17-20.8.
7. according to any one of the claim 1-6 high fire-retardance water resistance polyurethane coatings, which is characterized in that the auxiliary agent is The mixture of one or more of levelling agent, dispersant, antifoaming agent.
CN201810389563.2A 2018-04-27 2018-04-27 A kind of high fire-retardance water resistance polyurethane coating Withdrawn CN108441109A (en)

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CN201810389563.2A CN108441109A (en) 2018-04-27 2018-04-27 A kind of high fire-retardance water resistance polyurethane coating

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Application publication date: 20180824