CN105542625A - Polymer fire retardant coating for steel plate and preparation method of coating - Google Patents
Polymer fire retardant coating for steel plate and preparation method of coating Download PDFInfo
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- 239000011248 coating agent Substances 0.000 title claims abstract description 20
- 238000000576 coating method Methods 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 19
- 239000010959 steel Substances 0.000 title claims abstract description 19
- 229920000642 polymer Polymers 0.000 title claims abstract description 12
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000003063 flame retardant Substances 0.000 title abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 25
- 238000003756 stirring Methods 0.000 claims description 18
- 239000005995 Aluminium silicate Substances 0.000 claims description 17
- 235000012211 aluminium silicate Nutrition 0.000 claims description 17
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 17
- 239000000843 powder Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 14
- 239000002041 carbon nanotube Substances 0.000 claims description 13
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 13
- 238000012986 modification Methods 0.000 claims description 13
- 230000004048 modification Effects 0.000 claims description 13
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 12
- DKPFZGUDAPQIHT-UHFFFAOYSA-N butyl acetate Chemical compound CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 12
- 229910021389 graphene Inorganic materials 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000008367 deionised water Substances 0.000 claims description 10
- 229910021641 deionized water Inorganic materials 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- SMZOGRDCAXLAAR-UHFFFAOYSA-N aluminium isopropoxide Chemical compound [Al+3].CC(C)[O-].CC(C)[O-].CC(C)[O-] SMZOGRDCAXLAAR-UHFFFAOYSA-N 0.000 claims description 7
- AGXUVMPSUKZYDT-UHFFFAOYSA-L barium(2+);octadecanoate Chemical compound [Ba+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AGXUVMPSUKZYDT-UHFFFAOYSA-L 0.000 claims description 7
- 239000006185 dispersion Substances 0.000 claims description 7
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 7
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 7
- 229940071182 stannate Drugs 0.000 claims description 7
- 239000011701 zinc Substances 0.000 claims description 7
- 229910052725 zinc Inorganic materials 0.000 claims description 7
- AHDSRXYHVZECER-UHFFFAOYSA-N 2,4,6-tris[(dimethylamino)methyl]phenol Chemical compound CN(C)CC1=CC(CN(C)C)=C(O)C(CN(C)C)=C1 AHDSRXYHVZECER-UHFFFAOYSA-N 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 claims description 6
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 6
- 238000013019 agitation Methods 0.000 claims description 6
- 238000005119 centrifugation Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 150000004702 methyl esters Chemical class 0.000 claims description 6
- 239000002048 multi walled nanotube Substances 0.000 claims description 6
- 229920001778 nylon Polymers 0.000 claims description 6
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 6
- XFZRQAZGUOTJCS-UHFFFAOYSA-N phosphoric acid;1,3,5-triazine-2,4,6-triamine Chemical compound OP(O)(O)=O.NC1=NC(N)=NC(N)=N1 XFZRQAZGUOTJCS-UHFFFAOYSA-N 0.000 claims description 6
- 229920002401 polyacrylamide Polymers 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 claims description 6
- 229920000053 polysorbate 80 Polymers 0.000 claims description 6
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 6
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 6
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 6
- 238000002203 pretreatment Methods 0.000 claims description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 6
- 239000001117 sulphuric acid Substances 0.000 claims description 6
- 235000011149 sulphuric acid Nutrition 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 3
- 235000011613 Pinus brutia Nutrition 0.000 claims description 3
- 241000018646 Pinus brutia Species 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 3
- 229960000935 dehydrated alcohol Drugs 0.000 claims description 3
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- 238000001291 vacuum drying Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000945 filler Substances 0.000 abstract description 2
- 238000005054 agglomeration Methods 0.000 abstract 1
- 230000002776 aggregation Effects 0.000 abstract 1
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
- C09D5/185—Intumescent 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
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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
- C09D7/63—Additives non-macromolecular organic
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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
- C09D7/65—Additives macromolecular
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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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
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- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a polymer fire retardant coating for a steel plate and a preparation method of the coating. Added filler has good dispersity in the coating, agglomeration is not easily caused, the heat resistance and the fire resistance are high, and the coating can have a good fire protection effect on the steel plate.
Description
Technical field
The present invention relates generally to fire-retardant material field, particularly relates to a kind of steel plate polymer frie retardant coating and preparation method thereof.
Background technology
Although steel do not fire, there is the characteristic of heat-resisting non-refractory, easy heat conduction, steel construction is heated and can causes the harm of following two aspects: on the one hand, because the thermal expansivity of steel is high, easily causes the distortion of structure or component to extend during high temperature, easily cause member bends when steel both sides are heated inequality; On the other hand, the mechanical property of steel, as: yielding stress, Young's modulus etc. raise with temperature and reduce gradually.When a threshold temperature is reached, steel construction will lose supporting capacity, cause the accidents such as building collapse.Point out especially, the maximum vertical penetration of current aerial ladder is only 100m, and this causes significant limitation to the fire extinguishing of fire of high-rise building and rescue work;
The quality of current steel structure fire-proof paint is uneven, and ubiquity the problems such as fire resistance is poor, expansion multiplying power is low, expanding layer structural strength is low, poor water resistance.For the above problem, and according to the practical situation of China and the market requirement, the present invention studies a kind of polymer frie retardant coating.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of polymer frie retardant coating and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of steel plate polymer frie retardant coating, it is made up of the raw material of following weight parts:
Epoxy resin E44270-300, t31 epoxy curing agent 5-8, 2, 4, 6-tri-(dimethylamino methyl) phenol 0.4-2, multi-walled carbon nano-tubes 10-14, the salpeter solution 300-400 of 27-30%, N-BUTYL ACETATE 17-20, melamine phosphate 3-4, aluminum isopropylate 4-6, polyacrylamide 0.3-0.7, sodium polyacrylate 1-2, potassium titanate crystal whisker 0.1-0.3, nano zirconium dioxide 1.3-2, kaolin 40-51, pine needle powder 0.1-0.4, zinc hydroxyl stannate 1-2, Tween-80 0.5-1, the sulphuric acid soln 6-13 of 0.5-1mol/l, sodium carbonate 6-9, barium stearate 1-2, silane coupling agent kh5600.7-1.1, graphene oxide 3-7, polyvinylpyrrolidone 6-10, nylon acid methyl esters 500-600.
A preparation method for steel plate polymer frie retardant coating, comprises the following steps:
(1) get the 70-85% of above-mentioned kaolin weight, send in the sodium hydroxide of 10-13mol/l and soak 1-2 hour, filter, wash 3-4 time, mix with barium stearate, at 400-500 DEG C, calcine 30-40 minute, cooling, wears into fine powder;
(2) joined by above-mentioned sodium polyacrylate in its weight 180-200 times deionized water, insulated and stirred 3-4 minute at 50-60 DEG C, adds the fine powder obtained in above-mentioned steps (1), magnetic agitation 1-2 minute, obtains kaolin powder dispersion liquid;
(3) joined in its weight 30-40 times deionized water by above-mentioned graphene oxide, magnetic agitation 4-7 minute, obtains graphene dispersing solution;
(4) above-mentioned multi-walled carbon nano-tubes is got, join in the salpeter solution of above-mentioned 27-30%, ultrasonic disperse 30-40 minute, ultrasonic frequency is 30-40kHz, raised temperature is 50-60 DEG C, insulated and stirred 20-24 hour, centrifugation, at being deposited in 90-100 DEG C, dry 20-25 hour, obtains purifying carbon nano-tube;
(5) above-mentioned polyvinylpyrrolidone is joined in its weight 46-50 deionized water doubly, stir, add above-mentioned purifying carbon nano-tube, ultrasonic disperse 20-30 minute, ultrasonic frequency is 30-40kHz, centrifugation, dry 30-40 hour at normal temperatures will be precipitated, obtain pre-treatment carbon nanotube;
(6) above-mentioned silane coupling agent kh560 is got, join in its weight 100-120 dehydrated alcohol doubly, stir, add Tween-80, raised temperature is 80-90 DEG C, add above-mentioned kaolin powder dispersion liquid, graphene dispersing solution, pre-treatment carbon nanotube, 600-1000 rev/min is stirred 30-40 minute, obtains modification composite solution;
(7) above-mentioned nano zirconium dioxide is joined in the sulphuric acid soln of above-mentioned 0.5-1mol/l, stir, obtain pre-mixed acid liquid;
(8) above-mentioned aluminum isopropylate is joined in its weight 80-100 deionized water doubly, stir, add polyacrylamide, zinc hydroxyl stannate, remaining kaolin, raised temperature is 40-50 DEG C, add above-mentioned pre-mixed acid liquid, insulated and stirred 20-30 minute, add above-mentioned sodium carbonate, raised temperature is 70-76 DEG C, insulated and stirred 30-40 minute, add above-mentioned modification composite solution, 300-500 rev/min is stirred 1-2 hour, filters, by precipitation washing 3-4 time, vacuum-drying 2-3 hour at 60-70 DEG C, obtains modification fire-proof packing;
(9) by above-mentioned t31 epoxy curing agent, the mixing of 2,4,6-tri-(dimethylamino methyl) phenol, stirring, is a material;
(10) join in N-BUTYL ACETATE by above-mentioned modification fire-proof packing, insulated and stirred 7-10 minute at 40-50 DEG C, is cooled to normal temperature, adds epoxy resin E44, nylon acid methyl esters, melamine phosphate, and remains each raw material, stir, and is b material;
(11), before using, a material, b material are mixed, to obtain final product.
Advantage of the present invention is:
First by kaolin alkalinisation treatment in fire retardant material of the present invention, then with barium stearate mixed calcining, improve its stability, then disperse in aqueous sodium polyacrylate, obtain kaolin powder dispersion liquid,
Then carbon nanotube is carried out modification, it can be made effectively to be distributed in frie retardant coating, play and improve coating strength and toughness, prevent high temperature from ftractureing, improve coating expand by fire after the effect such as density of charring layer, thus promote the fire resistance of finished product;
The present invention is afterwards raw material with aluminum isopropylate, and adds the less nano titanium oxide of thermal conductivity, coordinates zinc hydroxyl stannate, can play the effect of good cooperative flame retardant;
The filler that the present invention adds has good dispersiveness in coating, not easily reunites, and thermal resistance flame retardant resistance is strong, can play the effect of good flameproof protection to steel plate.
Embodiment
Embodiment 1
A kind of steel plate polymer frie retardant coating, it is made up of the raw material of following weight parts:
Epoxy resin E44300, t31 epoxy curing agent 8, 2, 4, 6-tri-(dimethylamino methyl) phenol 0.4, multi-walled carbon nano-tubes 10, the salpeter solution 400 of 30%, N-BUTYL ACETATE 20, melamine phosphate 4, aluminum isopropylate 4, polyacrylamide 0.7, sodium polyacrylate 1-2, potassium titanate crystal whisker 0.3, nano zirconium dioxide 1.3, kaolin 51, pine needle powder 0.4, zinc hydroxyl stannate 2, Tween-80 0.5, the sulphuric acid soln 13 of 0.5mol/l, sodium carbonate 9, barium stearate 1, silane coupling agent kh5600.7, graphene oxide 3, polyvinylpyrrolidone 6-10, nylon acid methyl esters 600.
A preparation method for steel plate polymer frie retardant coating, comprises the following steps:
(1) get 85% of above-mentioned kaolin weight, send in the sodium hydroxide of 13mol/l and soak 2 hours, filter, wash 3 times, mix with barium stearate, calcine 40 minutes at 400 DEG C, cooling, wears into fine powder;
(2) joined by above-mentioned sodium polyacrylate in its weight 200 times of deionized waters, insulated and stirred 4 minutes at 60 DEG C, adds the fine powder obtained in above-mentioned steps (1), and magnetic agitation 1 minute, obtains kaolin powder dispersion liquid;
(3) joined by above-mentioned graphene oxide in its weight 40 times of deionized waters, magnetic agitation 7 minutes, obtains graphene dispersing solution;
(4) get above-mentioned multi-walled carbon nano-tubes, join in the salpeter solution of above-mentioned 30%, ultrasonic disperse 40 minutes, ultrasonic frequency is 40kHz, and raised temperature is 60 DEG C, insulated and stirred 20 hours, centrifugation, at being deposited in 100 DEG C, drying 25 hours, obtains purifying carbon nano-tube;
(5) above-mentioned polyvinylpyrrolidone is joined in the deionized water of its weight 50 times, stir, add above-mentioned purifying carbon nano-tube, ultrasonic disperse 30 minutes, ultrasonic frequency is 40kHz, centrifugation, dry 40 hours at normal temperatures will be precipitated, obtain pre-treatment carbon nanotube;
(6) above-mentioned silane coupling agent kh560 is got, join in the dehydrated alcohol of its weight 120 times, stir, add Tween-80, raised temperature is 80-90 DEG C, add above-mentioned kaolin powder dispersion liquid, graphene dispersing solution, pre-treatment carbon nanotube, 1000 revs/min are stirred 30 minutes, modification composite solution;
(7) above-mentioned nano zirconium dioxide is joined in the sulphuric acid soln of above-mentioned 0.5mol/l, stir, obtain pre-mixed acid liquid;
(8) above-mentioned aluminum isopropylate is joined in the deionized water of its weight 80 times, stir, add polyacrylamide, zinc hydroxyl stannate, remaining kaolin, raised temperature is 50 DEG C, adds above-mentioned pre-mixed acid liquid, insulated and stirred 30 minutes, add above-mentioned sodium carbonate, raised temperature is 76 DEG C, insulated and stirred 30-40 minute, add above-mentioned modification composite solution, 500 revs/min are stirred 1 hour, filter, by precipitation washing 3-4 time, at 60 DEG C, vacuum-drying 2 hours, obtains modification fire-proof packing;
(9) by above-mentioned t31 epoxy curing agent, the mixing of 2,4,6-tri-(dimethylamino methyl) phenol, stirring, is a material;
(10) join in N-BUTYL ACETATE by above-mentioned modification fire-proof packing, insulated and stirred 7-10 minute at 40-50 DEG C, is cooled to normal temperature, adds epoxy resin E44, nylon acid methyl esters, melamine phosphate, and remains each raw material, stir, and is b material;
(11), before using, a material, b material are mixed, to obtain final product.
Performance test:
Resistivity against fire:
800℃：50min。
Claims (2)
1. a steel plate polymer frie retardant coating, is characterized in that, it is made up of the raw material of following weight parts:
Epoxy resin E44270-300, t31 epoxy curing agent 5-8, 2, 4, 6-tri-(dimethylamino methyl) phenol 0.4-2, multi-walled carbon nano-tubes 10-14, the salpeter solution 300-400 of 27-30%, N-BUTYL ACETATE 17-20, melamine phosphate 3-4, aluminum isopropylate 4-6, polyacrylamide 0.3-0.7, sodium polyacrylate 1-2, potassium titanate crystal whisker 0.1-0.3, nano zirconium dioxide 1.3-2, kaolin 40-51, pine needle powder 0.1-0.4, zinc hydroxyl stannate 1-2, Tween-80 0.5-1, the sulphuric acid soln 6-13 of 0.5-1mol/l, sodium carbonate 6-9, barium stearate 1-2, silane coupling agent kh5600.7-1.1, graphene oxide 3-7, polyvinylpyrrolidone 6-10, nylon acid methyl esters 500-600.
2. a preparation method for steel plate polymer frie retardant coating as claimed in claim 1, is characterized in that, comprise the following steps:
(1) get the 70-85% of above-mentioned kaolin weight, send in the sodium hydroxide of 10-13mol/l and soak 1-2 hour, filter, wash 3-4 time, mix with barium stearate, at 400-500 DEG C, calcine 30-40 minute, cooling, wears into fine powder;
(2) joined by above-mentioned sodium polyacrylate in its weight 180-200 times deionized water, insulated and stirred 3-4 minute at 50-60 DEG C, adds the fine powder obtained in above-mentioned steps (1), magnetic agitation 1-2 minute, obtains kaolin powder dispersion liquid;
(3) joined in its weight 30-40 times deionized water by above-mentioned graphene oxide, magnetic agitation 4-7 minute, obtains graphene dispersing solution;
(4) above-mentioned multi-walled carbon nano-tubes is got, join in the salpeter solution of above-mentioned 27-30%, ultrasonic disperse 30-40 minute, ultrasonic frequency is 30-40kHz, raised temperature is 50-60 DEG C, insulated and stirred 20-24 hour, centrifugation, at being deposited in 90-100 DEG C, dry 20-25 hour, obtains purifying carbon nano-tube;
(5) above-mentioned polyvinylpyrrolidone is joined in its weight 46-50 deionized water doubly, stir, add above-mentioned purifying carbon nano-tube, ultrasonic disperse 20-30 minute, ultrasonic frequency is 30-40kHz, centrifugation, dry 30-40 hour at normal temperatures will be precipitated, obtain pre-treatment carbon nanotube;
(6) above-mentioned silane coupling agent kh560 is got, join in its weight 100-120 dehydrated alcohol doubly, stir, add Tween-80, raised temperature is 80-90 DEG C, add above-mentioned kaolin powder dispersion liquid, graphene dispersing solution, pre-treatment carbon nanotube, 600-1000 rev/min is stirred 30-40 minute, obtains modification composite solution;
(7) above-mentioned nano zirconium dioxide is joined in the sulphuric acid soln of above-mentioned 0.5-1mol/l, stir, obtain pre-mixed acid liquid;
(8) above-mentioned aluminum isopropylate is joined in its weight 80-100 deionized water doubly, stir, add polyacrylamide, zinc hydroxyl stannate, remaining kaolin, raised temperature is 40-50 DEG C, add above-mentioned pre-mixed acid liquid, insulated and stirred 20-30 minute, add above-mentioned sodium carbonate, raised temperature is 70-76 DEG C, insulated and stirred 30-40 minute, add above-mentioned modification composite solution, 300-500 rev/min is stirred 1-2 hour, filters, by precipitation washing 3-4 time, vacuum-drying 2-3 hour at 60-70 DEG C, obtains modification fire-proof packing;
(9) by above-mentioned t31 epoxy curing agent, the mixing of 2,4,6-tri-(dimethylamino methyl) phenol, stirring, is a material;
(10) join in N-BUTYL ACETATE by above-mentioned modification fire-proof packing, insulated and stirred 7-10 minute at 40-50 DEG C, is cooled to normal temperature, adds epoxy resin E44, nylon acid methyl esters, melamine phosphate, and remains each raw material, stir, and is b material;
(11), before using, a material, b material are mixed, to obtain final product.
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| CN108912909A (en) * | 2018-05-29 | 2018-11-30 | 芜湖市元奎新材料科技有限公司 | Thin section steel structure fire retardant, anticorrosive coating |
| CN109082283A (en) * | 2018-07-11 | 2018-12-25 | 桐城市新瑞建筑工程有限公司 | A kind of anti-flaming nano ball and preparation method thereof |
| CN112441777A (en) * | 2019-08-30 | 2021-03-05 | 西安美刚达科技发展有限公司 | Nano fireproof material and preparation method thereof |
| CN110862708A (en) * | 2019-11-22 | 2020-03-06 | 中国兵器工业第五九研究所 | Flame-proof cutting coating for special carriage or shelter |
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