CN104293012A - Heat-reflecting thermal insulation coating and preparation method thereof - Google Patents
Heat-reflecting thermal insulation coating and preparation method thereof Download PDFInfo
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- CN104293012A CN104293012A CN201410499384.6A CN201410499384A CN104293012A CN 104293012 A CN104293012 A CN 104293012A CN 201410499384 A CN201410499384 A CN 201410499384A CN 104293012 A CN104293012 A CN 104293012A
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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
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F259/00—Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group C08F14/00
- C08F259/08—Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group C08F14/00 on to polymers containing fluorine
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
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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
- 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
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- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- 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
Abstract
The invention relates to a coating, and particularly relates to a heat-reflecting thermal insulation coating and a preparation method thereof. The heat-reflecting thermal insulation coating comprises the following raw materials in parts by weight: 120-150 parts of fluorocarbon resin, 30-40 parts of a polyvinylidene fluoride resin polymer, 50-70 parts of epoxy resin, 70-90 parts of polyacrylamide, 10-20 parts of hollow fiber, 40-60 parts of titanium dioxide, 20-30 parts of silicon dioxide, 10-15 parts of a dispersing agent, 5-8 parts of a flatting agent, 3-5 parts of a defoaming agent and 10-15 parts of an anti-settling agent. According to the heat-reflecting thermal insulation coating provided by the invention, firstly, the hollow fiber is subjected to pretreatment, so that the reflectivity and the thermal insulation property of the hollow fiber are improved; meanwhile, through introduction of the modified polyvinylidene fluoride resin polymer, the heat resistance of the coating is improved, and the adhesive property to a base material is enhanced.
Description
Technical field
The present invention relates to a kind of coating, be specially heat-reflecting insulating coating and preparation method thereof.
Technical field
The present invention relates to a kind of coating, be specially heat-reflecting insulating coating and preparation method thereof.
Background technology
Reflective heat-insulation paint has decoration and heat insulation dual-use function, belongs to functional coating.Because reflectivity thermal insulating coating can reduce the surface temperature of the object be exposed under sun heat radiation significantly, thus such coating expands to petroleum chemical industry, grain reserves industry etc. rapidly from space industry application.At present, such coating has started widespread use in construction work, for the reflective insulation of roofing and metope.Conventional heat emission thermal insulating coating uses fluorocarbon resin and reflecting material, auxiliary agent etc. to mix, and this coating resistance to elevated temperatures is lower, and cause coating shorter for work-ing life, long-term exposure in high temperature environments in addition, also easily peels off.
Background technology
Reflective heat-insulation paint has decoration and heat insulation dual-use function, belongs to functional coating.Because reflectivity thermal insulating coating can reduce the surface temperature of the object be exposed under sun heat radiation significantly, thus such coating expands to petroleum chemical industry, grain reserves industry etc. rapidly from space industry application.At present, such coating has started widespread use in construction work, for the reflective insulation of roofing and metope.Conventional heat emission thermal insulating coating uses fluorocarbon resin and reflecting material, auxiliary agent etc. to mix, and this coating resistance to elevated temperatures is lower, and cause coating shorter for work-ing life, long-term exposure in high temperature environments in addition, also easily peels off.
Summary of the invention
For above-mentioned technical problem, the invention provides the heat emission thermal insulating coating that a kind of resistance to elevated temperatures is more superior, concrete technical scheme is:
Heat-reflecting insulating coating, is obtained by following methods:
Following raw material forms according to parts by weight, fluorocarbon resin 120 ~ 150; Polyvinylidene fluoride resin polymkeric substance 30 ~ 40; Epoxy resin 50 ~ 70; Polyacrylamide 70 ~ 90; Hollow fiber 10 ~ 20; Titanium dioxide 40 ~ 60; Silicon-dioxide 20 ~ 30; Dispersion agent 10 ~ 15; Flow agent 5 ~ 8; Defoamer 3 ~ 5; Anti-settling agent 10 ~ 15;
(1) grinding after titanium dioxide, silicon-dioxide mixing, fineness≤25 micron, obtain powder mix;
(2) epoxy resin is added in polyacrylamide and forms emulsion, is joined in emulsion by powder mix, then adds dispersion agent, stirs and ultrasonic disperse vibration, forms slurries;
(3) hollow fiber is joined stir in slurries after obtain hollow fiber slurry mixture;
(4) namely heat-reflecting insulating coating is obtained by after fluorocarbon resin, polyvinylidene fluoride resin polymkeric substance, hollow fiber slurry mixture, auxiliary agent mixing and stirring.
Described polyvinylidene fluoride resin polymkeric substance is made by the following method:
(1) hexamethylphosphoramide, polyacrylamide, water are according to parts by weight 5 ~ 7 parts, 3 ~ 5 parts, 20 ~ 25 parts mixing, and heat 50 DEG C, stir formation emulsion;
(2) methyl methacrylate, perfluoropropylvinylether, polyvinylidene fluoride resin, Diisopropyl azodicarboxylate according to ratio of weight and number 8 ~ 10 parts, 3 ~ 6 parts, 5 ~ 7 parts, 0.05 ~ 0.1 part be uniformly mixed formation mixed solution;
(3) mixed solution is added drop-wise in emulsion, and stirs, be added dropwise to complete rear ultrasonic disperse process 2 minutes;
(4) continue to stir, lead to nitrogen protection, be heated to 80 DEG C and carry out reaction 5 ~ 6 hours;
(5) be cooled to room temperature, add the stablizer tetramethylolmethane of 0.3 part of weight, both obtained polyvinylidene fluoride resin polymkeric substance.
Described dispersion agent is acrylate interpolymer; Described flow agent is polyacrylic ester; Described defoamer is organo-siloxane; Described anti-settling agent is organobentonite.
Heat-reflecting insulating coating constructional method, comprises following operation:
(1) process of basal plane, basal plane carries out clearing up, flattening;
(2) heat-reflecting insulating coating sprays after adding polymeric amide, polyisocyanates mixing; Heat-reflecting insulating coating, polymeric amide, polyisocyanates consumption are respectively 100 parts, 5 ~ 7 parts, 0.2 ~ 0.6 part according to parts by weight.
The traditional purposes of polyvinylidene fluoride resin is for for the preparation of not firing thermostability engineering plastic, there is high temperature resistant, corrosion-resistant with ageing-resistant feature, be widely used in the manufacture view such as pipeline and valve of the string on the binding agent comprised on lithium cell, fishing line, various stringed musical instrument, electrolysis.By carrying out modification to polyvinylidene fluoride resin, making it in coating, resistance toheat and the heat-proof quality of coating can be improved.Perfluoropropylvinylether is a kind of perfluorovinyl sulfide monomer, jointly participates in being polymerized with methyl methacrylate as copolymerization and modified monomer, improves the adhesive property of coating and base material with the performance improving polyvinylidene fluoride resin.
Heat-reflecting insulating coating provided by the invention, first pre-treatment is carried out to hollow fiber, improve reflectivity and the heat-insulating property of hollow fiber, simultaneously by introducing the polyvinylidene fluoride resin polymkeric substance of modification, improve the resistance toheat of coating, and enhance the adhesive property with base material.
Summary of the invention
For above-mentioned technical problem, the invention provides the heat emission thermal insulating coating that a kind of resistance to elevated temperatures is more superior, concrete technical scheme is:
Heat-reflecting insulating coating, is obtained by following methods:
Following raw material forms according to parts by weight, fluorocarbon resin 120 ~ 150; Polyvinylidene fluoride resin polymkeric substance 30 ~ 40; Epoxy resin 50 ~ 70; Polyacrylamide 70 ~ 90; Hollow fiber 10 ~ 20; Titanium dioxide 40 ~ 60; Silicon-dioxide 20 ~ 30; Dispersion agent 10 ~ 15; Flow agent 5 ~ 8; Defoamer 3 ~ 5; Anti-settling agent 10 ~ 15;
(1) grinding after titanium dioxide, silicon-dioxide mixing, fineness≤25 micron, obtain powder mix;
(2) epoxy resin is added in polyacrylamide and forms emulsion, is joined in emulsion by powder mix, then adds dispersion agent, stirs and ultrasonic disperse vibration, forms slurries;
(3) hollow fiber is joined stir in slurries after obtain hollow fiber slurry mixture;
(4) namely heat-reflecting insulating coating is obtained by after fluorocarbon resin, polyvinylidene fluoride resin polymkeric substance, hollow fiber slurry mixture, auxiliary agent mixing and stirring.
Described polyvinylidene fluoride resin polymkeric substance is made by the following method:
(1) hexamethylphosphoramide, polyacrylamide, water are according to parts by weight 5 ~ 7 parts, 3 ~ 5 parts, 20 ~ 25 parts mixing, and heat 50 DEG C, stir formation emulsion;
(2) methyl methacrylate, perfluoropropylvinylether, polyvinylidene fluoride resin, Diisopropyl azodicarboxylate according to ratio of weight and number 8 ~ 10 parts, 3 ~ 6 parts, 5 ~ 7 parts, 0.05 ~ 0.1 part be uniformly mixed formation mixed solution;
(3) mixed solution is added drop-wise in emulsion, and stirs, be added dropwise to complete rear ultrasonic disperse process 2 minutes;
(4) continue to stir, lead to nitrogen protection, be heated to 80 DEG C and carry out reaction 5 ~ 6 hours;
(5) be cooled to room temperature, add the stablizer tetramethylolmethane of 0.3 part of weight, both obtained polyvinylidene fluoride resin polymkeric substance.
Described dispersion agent is acrylate interpolymer; Described flow agent is polyacrylic ester; Described defoamer is organo-siloxane; Described anti-settling agent is organobentonite.
Heat-reflecting insulating coating constructional method, comprises following operation:
(1) process of basal plane, basal plane carries out clearing up, flattening;
(2) heat-reflecting insulating coating sprays after adding polymeric amide, polyisocyanates mixing; Heat-reflecting insulating coating, polymeric amide, polyisocyanates consumption are respectively 100 parts, 5 ~ 7 parts, 0.2 ~ 0.6 part according to parts by weight.
The traditional purposes of polyvinylidene fluoride resin is for for the preparation of not firing thermostability engineering plastic, there is high temperature resistant, corrosion-resistant with ageing-resistant feature, be widely used in the manufacture view such as pipeline and valve of the string on the binding agent comprised on lithium cell, fishing line, various stringed musical instrument, electrolysis.By carrying out modification to polyvinylidene fluoride resin, making it in coating, resistance toheat and the heat-proof quality of coating can be improved.Perfluoropropylvinylether is a kind of perfluorovinyl sulfide monomer, jointly participates in being polymerized with methyl methacrylate as copolymerization and modified monomer, improves the adhesive property of coating and base material with the performance improving polyvinylidene fluoride resin.
Heat-reflecting insulating coating provided by the invention, first pre-treatment is carried out to hollow fiber, improve reflectivity and the heat-insulating property of hollow fiber, simultaneously by introducing the polyvinylidene fluoride resin polymkeric substance of modification, improve the resistance toheat of coating, and enhance the adhesive property with base material.
Embodiment
The specific embodiment of the invention is described in conjunction with the embodiments.
Embodiment 1
Heat-reflecting insulating coating, is obtained by following methods:
Following raw material forms according to parts by weight, fluorocarbon resin 140; Polyvinylidene fluoride resin polymkeric substance 30; Epoxy resin 60; Polyacrylamide 70; Hollow fiber 20; Titanium dioxide 60; Silicon-dioxide 25; Dispersion agent 15; Flow agent 7; Defoamer 5; Anti-settling agent 10;
(1) grinding after titanium dioxide, silicon-dioxide mixing, fineness≤25 micron, obtain powder mix;
(2) epoxy resin is added in polyacrylamide and forms emulsion, is joined in emulsion by powder mix, then adds dispersion agent, stirs and ultrasonic disperse vibration, forms slurries;
(3) hollow fiber is joined stir in slurries after obtain hollow fiber slurry mixture;
(4) namely heat-reflecting insulating coating is obtained by after fluorocarbon resin, polyvinylidene fluoride resin polymkeric substance, hollow fiber slurry mixture, auxiliary agent mixing and stirring.
Described polyvinylidene fluoride resin polymkeric substance is made by the following method:
(1) hexamethylphosphoramide, polyacrylamide, water are according to parts by weight 6 parts, 3 parts, 22 parts mixing, and heat 50 DEG C, stir formation emulsion;
(2) methyl methacrylate, perfluoropropylvinylether, polyvinylidene fluoride resin, Diisopropyl azodicarboxylate according to ratio of weight and number 8 parts, 3 parts, 7 parts, 0.1 part be uniformly mixed formation mixed solution;
(3) mixed solution is added drop-wise in emulsion, and stirs, be added dropwise to complete rear ultrasonic disperse process 2 minutes;
(4) continue to stir, lead to nitrogen protection, be heated to 80 DEG C and carry out reaction 5 ~ 6 hours;
(5) be cooled to room temperature, add the stablizer tetramethylolmethane of 0.3 part of weight, both obtained polyvinylidene fluoride resin polymkeric substance.
Described dispersion agent is acrylate interpolymer; Described flow agent is polyacrylic ester; Described defoamer is organo-siloxane; Described anti-settling agent is organobentonite.
Heat-reflecting insulating coating constructional method, comprises following operation:
(1) process of basal plane, basal plane carries out clearing up, flattening;
(2) heat-reflecting insulating coating sprays after adding polymeric amide, polyisocyanates mixing; Heat-reflecting insulating coating, polymeric amide, polyisocyanates consumption are respectively 100 parts, 6 parts, 0.2 part according to parts by weight.
Embodiment 2
Heat-reflecting insulating coating, is obtained by following methods:
Following raw material forms according to parts by weight, fluorocarbon resin 150; Polyvinylidene fluoride resin polymkeric substance 35; Epoxy resin 50; Polyacrylamide 80; Hollow fiber 10; Titanium dioxide 40; Silicon-dioxide 20; Dispersion agent 12; Flow agent 8; Defoamer 3; Anti-settling agent 13;
(1) grinding after titanium dioxide, silicon-dioxide mixing, fineness≤25 micron, obtain powder mix;
(2) epoxy resin is added in polyacrylamide and forms emulsion, is joined in emulsion by powder mix, then adds dispersion agent, stirs and ultrasonic disperse vibration, forms slurries;
(3) hollow fiber is joined stir in slurries after obtain hollow fiber slurry mixture;
(4) namely heat-reflecting insulating coating is obtained by after fluorocarbon resin, polyvinylidene fluoride resin polymkeric substance, hollow fiber slurry mixture, auxiliary agent mixing and stirring.
Described polyvinylidene fluoride resin polymkeric substance is made by the following method:
(1) hexamethylphosphoramide, polyacrylamide, water are according to parts by weight 7 parts, 4 parts, 20 parts mixing, and heat 50 DEG C, stir formation emulsion;
(2) methyl methacrylate, perfluoropropylvinylether, polyvinylidene fluoride resin, Diisopropyl azodicarboxylate according to ratio of weight and number 9 parts, 6 parts, 5 parts, 0.05 part be uniformly mixed formation mixed solution;
(3) mixed solution is added drop-wise in emulsion, and stirs, be added dropwise to complete rear ultrasonic disperse process 2 minutes;
(4) continue to stir, lead to nitrogen protection, be heated to 80 DEG C and carry out reaction 5 ~ 6 hours;
(5) be cooled to room temperature, add the stablizer tetramethylolmethane of 0.3 part of weight, both obtained polyvinylidene fluoride resin polymkeric substance.
Described dispersion agent is acrylate interpolymer; Described flow agent is polyacrylic ester; Described defoamer is organo-siloxane; Described anti-settling agent is organobentonite.
Heat-reflecting insulating coating constructional method, comprises following operation:
(1) process of basal plane, basal plane carries out clearing up, flattening;
(2) heat-reflecting insulating coating sprays after adding polymeric amide, polyisocyanates mixing; Heat-reflecting insulating coating, polymeric amide, polyisocyanates consumption are respectively 100 parts, 7 parts, 0.6 part according to parts by weight.
Embodiment 3
Heat-reflecting insulating coating, is obtained by following methods:
Following raw material forms according to parts by weight, fluorocarbon resin 120; Polyvinylidene fluoride resin polymkeric substance 40; Epoxy resin 70; Polyacrylamide 90; Hollow fiber 15; Titanium dioxide 50; Silicon-dioxide 30; Dispersion agent 10; Flow agent 5; Defoamer 4; Anti-settling agent 15;
(1) grinding after titanium dioxide, silicon-dioxide mixing, fineness≤25 micron, obtain powder mix;
(2) epoxy resin is added in polyacrylamide and forms emulsion, is joined in emulsion by powder mix, then adds dispersion agent, stirs and ultrasonic disperse vibration, forms slurries;
(3) hollow fiber is joined stir in slurries after obtain hollow fiber slurry mixture;
(4) namely heat-reflecting insulating coating is obtained by after fluorocarbon resin, polyvinylidene fluoride resin polymkeric substance, hollow fiber slurry mixture, auxiliary agent mixing and stirring.
Described polyvinylidene fluoride resin polymkeric substance is made by the following method:
(1) hexamethylphosphoramide, polyacrylamide, water are according to parts by weight 5 parts, 5 parts, 25 parts mixing, and heat 50 DEG C, stir formation emulsion;
(2) methyl methacrylate, perfluoropropylvinylether, polyvinylidene fluoride resin, Diisopropyl azodicarboxylate according to ratio of weight and number 10 parts, 5 parts, 6 parts, 0.08 part be uniformly mixed formation mixed solution;
(3) mixed solution is added drop-wise in emulsion, and stirs, be added dropwise to complete rear ultrasonic disperse process 2 minutes;
(4) continue to stir, lead to nitrogen protection, be heated to 80 DEG C and carry out reaction 5 ~ 6 hours;
(5) be cooled to room temperature, add the stablizer tetramethylolmethane of 0.3 part of weight, both obtained polyvinylidene fluoride resin polymkeric substance.
Described dispersion agent is acrylate interpolymer; Described flow agent is polyacrylic ester; Described defoamer is organo-siloxane; Described anti-settling agent is organobentonite.
Heat-reflecting insulating coating constructional method, comprises following operation:
(1) process of basal plane, basal plane carries out clearing up, flattening;
(2) heat-reflecting insulating coating sprays after adding polymeric amide, polyisocyanates mixing; Heat-reflecting insulating coating, polymeric amide, polyisocyanates consumption are respectively 100 parts, 5 parts, 0.3 part according to parts by weight.Heat-reflecting insulating coating and preparation method thereof.
Embodiment
The specific embodiment of the invention is described in conjunction with the embodiments.
Embodiment 1
Heat-reflecting insulating coating, is obtained by following methods:
Following raw material forms according to parts by weight, fluorocarbon resin 140; Polyvinylidene fluoride resin polymkeric substance 30; Epoxy resin 60; Polyacrylamide 70; Hollow fiber 20; Titanium dioxide 60; Silicon-dioxide 25; Dispersion agent 15; Flow agent 7; Defoamer 5; Anti-settling agent 10;
(1) grinding after titanium dioxide, silicon-dioxide mixing, fineness≤25 micron, obtain powder mix;
(2) epoxy resin is added in polyacrylamide and forms emulsion, is joined in emulsion by powder mix, then adds dispersion agent, stirs and ultrasonic disperse vibration, forms slurries;
(3) hollow fiber is joined stir in slurries after obtain hollow fiber slurry mixture;
(4) namely heat-reflecting insulating coating is obtained by after fluorocarbon resin, polyvinylidene fluoride resin polymkeric substance, hollow fiber slurry mixture, auxiliary agent mixing and stirring.
Described polyvinylidene fluoride resin polymkeric substance is made by the following method:
(1) hexamethylphosphoramide, polyacrylamide, water are according to parts by weight 6 parts, 3 parts, 22 parts mixing, and heat 50 DEG C, stir formation emulsion;
(2) methyl methacrylate, perfluoropropylvinylether, polyvinylidene fluoride resin, Diisopropyl azodicarboxylate according to ratio of weight and number 8 parts, 3 parts, 7 parts, 0.1 part be uniformly mixed formation mixed solution;
(3) mixed solution is added drop-wise in emulsion, and stirs, be added dropwise to complete rear ultrasonic disperse process 2 minutes;
(4) continue to stir, lead to nitrogen protection, be heated to 80 DEG C and carry out reaction 5 ~ 6 hours;
(5) be cooled to room temperature, add the stablizer tetramethylolmethane of 0.3 part of weight, both obtained polyvinylidene fluoride resin polymkeric substance.
Described dispersion agent is acrylate interpolymer; Described flow agent is polyacrylic ester; Described defoamer is organo-siloxane; Described anti-settling agent is organobentonite.
Heat-reflecting insulating coating constructional method, comprises following operation:
(1) process of basal plane, basal plane carries out clearing up, flattening;
(2) heat-reflecting insulating coating sprays after adding polymeric amide, polyisocyanates mixing; Heat-reflecting insulating coating, polymeric amide, polyisocyanates consumption are respectively 100 parts, 6 parts, 0.2 part according to parts by weight.
Embodiment 2
Heat-reflecting insulating coating, is obtained by following methods:
Following raw material forms according to parts by weight, fluorocarbon resin 150; Polyvinylidene fluoride resin polymkeric substance 35; Epoxy resin 50; Polyacrylamide 80; Hollow fiber 10; Titanium dioxide 40; Silicon-dioxide 20; Dispersion agent 12; Flow agent 8; Defoamer 3; Anti-settling agent 13;
(1) grinding after titanium dioxide, silicon-dioxide mixing, fineness≤25 micron, obtain powder mix;
(2) epoxy resin is added in polyacrylamide and forms emulsion, is joined in emulsion by powder mix, then adds dispersion agent, stirs and ultrasonic disperse vibration, forms slurries;
(3) hollow fiber is joined stir in slurries after obtain hollow fiber slurry mixture;
(4) namely heat-reflecting insulating coating is obtained by after fluorocarbon resin, polyvinylidene fluoride resin polymkeric substance, hollow fiber slurry mixture, auxiliary agent mixing and stirring.
Described polyvinylidene fluoride resin polymkeric substance is made by the following method:
(1) hexamethylphosphoramide, polyacrylamide, water are according to parts by weight 7 parts, 4 parts, 20 parts mixing, and heat 50 DEG C, stir formation emulsion;
(2) methyl methacrylate, perfluoropropylvinylether, polyvinylidene fluoride resin, Diisopropyl azodicarboxylate according to ratio of weight and number 9 parts, 6 parts, 5 parts, 0.05 part be uniformly mixed formation mixed solution;
(3) mixed solution is added drop-wise in emulsion, and stirs, be added dropwise to complete rear ultrasonic disperse process 2 minutes;
(4) continue to stir, lead to nitrogen protection, be heated to 80 DEG C and carry out reaction 5 ~ 6 hours;
(5) be cooled to room temperature, add the stablizer tetramethylolmethane of 0.3 part of weight, both obtained polyvinylidene fluoride resin polymkeric substance.
Described dispersion agent is acrylate interpolymer; Described flow agent is polyacrylic ester; Described defoamer is organo-siloxane; Described anti-settling agent is organobentonite.
Heat-reflecting insulating coating constructional method, comprises following operation:
(1) process of basal plane, basal plane carries out clearing up, flattening;
(2) heat-reflecting insulating coating sprays after adding polymeric amide, polyisocyanates mixing; Heat-reflecting insulating coating, polymeric amide, polyisocyanates consumption are respectively 100 parts, 7 parts, 0.6 part according to parts by weight.
Embodiment 3
Heat-reflecting insulating coating, is obtained by following methods:
Following raw material forms according to parts by weight, fluorocarbon resin 120; Polyvinylidene fluoride resin polymkeric substance 40; Epoxy resin 70; Polyacrylamide 90; Hollow fiber 15; Titanium dioxide 50; Silicon-dioxide 30; Dispersion agent 10; Flow agent 5; Defoamer 4; Anti-settling agent 15;
(1) grinding after titanium dioxide, silicon-dioxide mixing, fineness≤25 micron, obtain powder mix;
(2) epoxy resin is added in polyacrylamide and forms emulsion, is joined in emulsion by powder mix, then adds dispersion agent, stirs and ultrasonic disperse vibration, forms slurries;
(3) hollow fiber is joined stir in slurries after obtain hollow fiber slurry mixture;
(4) namely heat-reflecting insulating coating is obtained by after fluorocarbon resin, polyvinylidene fluoride resin polymkeric substance, hollow fiber slurry mixture, auxiliary agent mixing and stirring.
Described polyvinylidene fluoride resin polymkeric substance is made by the following method:
(1) hexamethylphosphoramide, polyacrylamide, water are according to parts by weight 5 parts, 5 parts, 25 parts mixing, and heat 50 DEG C, stir formation emulsion;
(2) methyl methacrylate, perfluoropropylvinylether, polyvinylidene fluoride resin, Diisopropyl azodicarboxylate according to ratio of weight and number 10 parts, 5 parts, 6 parts, 0.08 part be uniformly mixed formation mixed solution;
(3) mixed solution is added drop-wise in emulsion, and stirs, be added dropwise to complete rear ultrasonic disperse process 2 minutes;
(4) continue to stir, lead to nitrogen protection, be heated to 80 DEG C and carry out reaction 5 ~ 6 hours;
(5) be cooled to room temperature, add the stablizer tetramethylolmethane of 0.3 part of weight, both obtained polyvinylidene fluoride resin polymkeric substance.
Described dispersion agent is acrylate interpolymer; Described flow agent is polyacrylic ester; Described defoamer is organo-siloxane; Described anti-settling agent is organobentonite.
Heat-reflecting insulating coating constructional method, comprises following operation:
(1) process of basal plane, basal plane carries out clearing up, flattening;
(2) heat-reflecting insulating coating sprays after adding polymeric amide, polyisocyanates mixing; Heat-reflecting insulating coating, polymeric amide, polyisocyanates consumption are respectively 100 parts, 5 parts, 0.3 part according to parts by weight.
From above-mentioned detected result, indices of the present invention all meets national standard.
Claims (4)
1. heat-reflecting insulating coating, is characterized in that, is obtained by following methods:
Following raw material forms according to parts by weight, fluorocarbon resin 120 ~ 150; Polyvinylidene fluoride resin polymkeric substance 30 ~ 40; Epoxy resin 50 ~ 70; Polyacrylamide 70 ~ 90; Hollow fiber 10 ~ 20; Titanium dioxide 40 ~ 60; Silicon-dioxide 20 ~ 30; Dispersion agent 10 ~ 15; Flow agent 5 ~ 8; Defoamer 3 ~ 5; Anti-settling agent 10 ~ 15;
(1) grinding after titanium dioxide, silicon-dioxide mixing, fineness≤25 micron, obtain powder mix;
(2) epoxy resin is added in polyacrylamide and forms emulsion, is joined in emulsion by powder mix, then adds dispersion agent, stirs and ultrasonic disperse vibration, forms slurries;
(3) hollow fiber is joined stir in slurries after obtain hollow fiber slurry mixture;
(4) namely heat-reflecting insulating coating is obtained by after fluorocarbon resin, polyvinylidene fluoride resin polymkeric substance, hollow fiber slurry mixture, auxiliary agent mixing and stirring.
2. heat-reflecting insulating coating according to claim 1, is characterized in that, described polyvinylidene fluoride resin polymkeric substance is made by the following method:
(1) hexamethylphosphoramide, polyacrylamide, water are according to parts by weight 5 ~ 7 parts, 3 ~ 5 parts, 20 ~ 25 parts mixing, and heat 50 DEG C, stir formation emulsion;
(2) methyl methacrylate, perfluoropropylvinylether, polyvinylidene fluoride resin, Diisopropyl azodicarboxylate according to ratio of weight and number 8 ~ 10 parts, 3 ~ 6 parts, 5 ~ 7 parts, 0.05 ~ 0.1 part be uniformly mixed formation mixed solution;
(3) mixed solution is added drop-wise in emulsion, and stirs, be added dropwise to complete rear ultrasonic disperse process 2 minutes;
(4) continue to stir, lead to nitrogen protection, be heated to 80 DEG C and carry out reaction 5 ~ 6 hours;
(5) be cooled to room temperature, add the stablizer tetramethylolmethane of 0.3 part of weight, both obtained polyvinylidene fluoride resin polymkeric substance.
3. heat-reflecting insulating coating according to claim 1, is characterized in that, described dispersion agent is acrylate interpolymer; Described flow agent is polyacrylic ester; Described defoamer is organo-siloxane; Described anti-settling agent is organobentonite.
4. the heat-reflecting insulating coating according to any one of Claim 1-3, is characterized in that, adds spraying after polymeric amide, polyisocyanates mixing during the construction of described heat-reflecting insulating coating; Heat-reflecting insulating coating, polymeric amide, polyisocyanates consumption are respectively 100 parts, 5 ~ 7 parts, 0.2 ~ 0.6 part according to parts by weight.
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| CN113214730A (en) * | 2021-05-07 | 2021-08-06 | 湖南红森科技有限公司 | Water-based energy-storage luminous paint with fireproof function for tunnel and preparation method thereof |
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