CN104231805A - Water-based ultra-thin fire-retardant coating for steel structures and preparation method of fire-retardant coating - Google Patents
Water-based ultra-thin fire-retardant coating for steel structures and preparation method of fire-retardant coating Download PDFInfo
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- CN104231805A CN104231805A CN201410475746.8A CN201410475746A CN104231805A CN 104231805 A CN104231805 A CN 104231805A CN 201410475746 A CN201410475746 A CN 201410475746A CN 104231805 A CN104231805 A CN 104231805A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 50
- 239000010959 steel Substances 0.000 title claims abstract description 50
- 239000011248 coating agent Substances 0.000 title claims abstract description 41
- 238000000576 coating method Methods 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000003063 flame retardant Substances 0.000 title abstract 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 50
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- 239000003054 catalyst Substances 0.000 claims abstract description 10
- 230000018044 dehydration Effects 0.000 claims abstract description 10
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 10
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 10
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- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 9
- 239000004576 sand Substances 0.000 claims abstract description 6
- 239000003973 paint Substances 0.000 claims description 40
- 239000006185 dispersion Substances 0.000 claims description 25
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- 238000003756 stirring Methods 0.000 claims description 10
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 238000004581 coalescence Methods 0.000 claims description 9
- 239000013530 defoamer Substances 0.000 claims description 9
- 210000003205 muscle Anatomy 0.000 claims description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- 150000001408 amides Chemical class 0.000 claims description 5
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- 238000007599 discharging Methods 0.000 claims description 5
- 238000003801 milling Methods 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 5
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical group [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 5
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims description 5
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 5
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical group CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 claims description 5
- 239000004114 Ammonium polyphosphate Substances 0.000 claims description 4
- 235000019826 ammonium polyphosphate Nutrition 0.000 claims description 4
- 229920001276 ammonium polyphosphate Polymers 0.000 claims description 4
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 claims description 3
- 239000004254 Ammonium phosphate Substances 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 3
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 3
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 3
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 3
- 229910000148 ammonium phosphate Inorganic materials 0.000 claims description 3
- 235000019289 ammonium phosphates Nutrition 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 3
- MTNDZQHUAFNZQY-UHFFFAOYSA-N imidazoline Chemical compound C1CN=CN1 MTNDZQHUAFNZQY-UHFFFAOYSA-N 0.000 claims description 3
- 239000012764 mineral filler Substances 0.000 claims description 3
- 229940059574 pentaerithrityl Drugs 0.000 claims description 3
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 3
- 239000003208 petroleum Substances 0.000 claims description 3
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 3
- 235000010215 titanium dioxide Nutrition 0.000 claims description 3
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 claims description 3
- 229910000165 zinc phosphate Inorganic materials 0.000 claims description 3
- MEIRRNXMZYDVDW-MQQKCMAXSA-N (2E,4E)-2,4-hexadien-1-ol Chemical compound C\C=C\C=C\CO MEIRRNXMZYDVDW-MQQKCMAXSA-N 0.000 claims description 2
- HNNQYHFROJDYHQ-UHFFFAOYSA-N 3-(4-ethylcyclohexyl)propanoic acid 3-(3-ethylcyclopentyl)propanoic acid Chemical compound CCC1CCC(CCC(O)=O)C1.CCC1CCC(CCC(O)=O)CC1 HNNQYHFROJDYHQ-UHFFFAOYSA-N 0.000 claims description 2
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 claims description 2
- 229920002472 Starch Polymers 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 239000004816 latex Substances 0.000 claims description 2
- 229920000126 latex Polymers 0.000 claims description 2
- 239000010445 mica Substances 0.000 claims description 2
- 229910052618 mica group Inorganic materials 0.000 claims description 2
- 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 2
- 239000008107 starch Substances 0.000 claims description 2
- 235000019698 starch Nutrition 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000005034 decoration Methods 0.000 abstract description 2
- 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 abstract 2
- 239000000654 additive Substances 0.000 abstract 2
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 239000002518 antifoaming agent Substances 0.000 abstract 1
- 239000011230 binding agent Substances 0.000 abstract 1
- 238000010000 carbonizing Methods 0.000 abstract 1
- 239000002270 dispersing agent Substances 0.000 abstract 1
- 239000004088 foaming agent Substances 0.000 abstract 1
- 239000002344 surface layer Substances 0.000 abstract 1
- 239000002562 thickening agent Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 8
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- 230000009970 fire resistant effect Effects 0.000 description 1
- 210000000497 foam cell Anatomy 0.000 description 1
- 239000000413 hydrolysate Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
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- 239000000047 product Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- Paints Or Removers (AREA)
Abstract
The invention discloses a water-based ultra-thin fire-retardant coating for steel structures. The fire-retardant coating comprises components as follows: a binder emulsion, an intumescent flame retardant system, filler, deionized water and additives, wherein the additives comprise a dispersing agent, an antifoaming agent, a mold inhibitor, an anti-flash-rust agent, a coalescing agent, a leveling agent and a thickener; the intumescent flame retardant system comprises a dehydration catalyst, a carbonizing agent and a foaming agent. The invention further designs a preparation method of the water-based ultra-thin fire-retardant coating for the steel structures. The components are mixed sequentially to be prepared into the water-based ultra-thin fire-retardant coating for the steel structures in a vertical sand mill and a dispersing tank. The prepared coating is large in adhesive force, high in hardness, good in fireproof property, good in anti-scratch performance and excellent in weather resistance and water resistance, the surface layer of the coating is fine and smooth, the decoration performance is improved significantly, and the preparation method is low in energy consumption and has the advantages that the harm to human bodies and the pollution to the environment during preparation are small and the like.
Description
Technical field
The invention belongs to coating preparation field, particularly a kind of water super-thin steel structure fire-proof paint and preparation method thereof.
Background technology
Along with the continuous propelling of social urbanization, steel construction is widely used due to advantages such as himself quality is light, excellent in mechanical performance, easy constructions in building field.But, steel construction thermal conductivity is strong, resistivity against fire is poor, after self reaching the critical temperature of 540 DEG C, its physical strength can sharply decline, thus cause buildings can not load-bearing and caving in, therefore, need to take measurements for fire-protection to steel construction, and on steel construction, apply the method that one deck frie retardant coating is the practicality of a kind of both economy, steel beam column surface spraying one deck frie retardant coating, when running into flame impingement, the combustion of coating difficulty itself is not even fired, have heat insulation, anti-flaming, anti-flaming function, effectively can delay the development of the intensity of a fire, stop spreading of flame, base material is played a very good protection, for fire-fighting fire extinguishing and withdrawing of personnel try to gain time precious to one.
The class environmental protection row frie retardant coating of water super-thin steel structure fire-proof paint using waterborne polymeric as filmogen, using water as dispersion medium.Water super-thin steel structure fire-proof paint is compared with solvent-borne type super-thin steel structure frie retardant coating, there is the quantity discharged reducing volatile organic matter, reduce energy consumption, reduce coating advantage such as the harm to human body and the pollution to environment in the links such as production, construction, application.Compared with thicker, slim frie retardant coating, ultra-thin fire-resistant coating has better ornamental, constructs also more convenient, can also meet the demand of facade high-decoration meeting high-efficiency fireproof while.Therefore, the water super-thin steel structure fire-proof paint with the feature such as environmental protection, high-efficiency fireproof performance represents the developing direction of steel structure fire-proof paint.
But it is poor that the water super-thin steel structure fire-proof paint ubiquity of current domestic production fire resistance.Shortcoming and the problems such as intumescent layers multiplying power is low and structural strength is low, water-resistance property of coating is poor, develop that a kind of duration of fire resistance is long, viscosity and cohesive strength is high, time of drying is relatively long, pollution-free, without fire hazard, production cost, production and construction easily frie retardant coating be the problem that art technology worker needs solution badly.
Summary of the invention
Technical problem to be solved by this invention is, for the shortcoming that above prior art exists, provides a kind of water super-thin steel structure fire-proof paint and preparation method thereof, this paint adhesion prepared is strong, hardness is high, and fire line is good, and anti-scratch performance is good, and there is excellent weathering resistance, water tolerance, and the smooth exquisiteness in coating top layer, ornamental remarkable improvement, this preparation method's less energy consumption, to the harm of human body with to the advantage such as the pollution of environment is little during preparation.
The technical scheme that the present invention solves above technical problem is:
A kind of water super-thin steel structure fire-proof paint, this frie retardant coating comprises following component in mass fraction:
Base-material emulsion 25-30 part
Intumescent Retardant System 20-25 part
Filler 20-30 part
Deionized water 20-25 part
Auxiliary agent 10-15 part
Wherein, auxiliary agent comprises following component in mass fraction: dispersion agent: 1.5-2.0 part, defoamer: 0.5-1.0 part, mould inhibitor: 0.3-0.5 part, anti-sudden strain of a muscle rust agent: 0.2-0.4 part, film coalescence aid: 5-10 part, flow agent: 0.5-1.0 part, thickening material: 0.2-0.5 part;
Intumescent Retardant System comprises following component in mass fraction: dehydration catalyst: 4-8 part, char-forming agent: 10-15 part, whipping agent: 6-8 part.
The technical scheme that the present invention limits further is:
In aforementioned water super-thin steel structure fire-proof paint, base-material emulsion is one or more in ACRYLIC EMULSION, benzene emulsion, pure-acrylic emulsion, organosilicon crylic acid latex or PVAc emulsion.
In aforementioned water super-thin steel structure fire-proof paint, dehydration catalyst is one or more in ammonium phosphate, ammonium polyphosphate, primary ammonium phosphate, melamine phosphate or amides; Described char-forming agent is one or more in sorbyl alcohol, starch, tetramethylolmethane or dipentaerythritol; Described whipping agent is one or more in trimeric cyanamide, volatile salt, Dyhard RU 100 or clorafin.
In aforementioned water super-thin steel structure fire-proof paint, filler is mineral filler, comprises one or more in glass powder, titanium white, zinc oxide, mica, diatomite, Hai Pao or calcium carbonate.
In aforementioned water super-thin steel structure fire-proof paint, film coalescence aid is ethylene glycol; Described defoamer is tributyl phosphate; Described thickening material is Walocel MT 20.000PV; Described dispersion agent is Sodium hexametaphosphate 99.
In aforementioned water super-thin steel structure fire-proof paint, mould inhibitor is one or more in zinc phosphate, aluminium hydroxide or zinc borate; Described anti-ly dodge rust agent and comprise: one or more in glycol dioleate, petroleum sodium sulfonate, amide imidazoline or naphthenic acid alkaline earth salt.
The preparation method of above-mentioned water super-thin steel structure fire-proof paint, comprises following step:
A. add in dispersion cylinder by deionized water, dispersion agent, defoamer, anti-sudden strain of a muscle rust agent and mould inhibitor, stirring at low speed 5-15min, stirring velocity is 50-70r/min;
B. in (a) step, dehydration catalyst, char-forming agent, whipping agent, filler is added, pre-dispersed 10-15min;
C. the mixture in (b) step is proceeded in vertical skin grinder, high speed sand milling 50-100min under high shear, control fineness < 50 μ of mixture;
D. again the mixture in step (c) is proceeded in dispersion tank, add base-material emulsion and the auxiliary agent such as film coalescence aid, flow agent fully mixes, then the viscosity of thickening material regulation system is added, with discharging after the rotating speed of 750-850r/min dispersion 15-30min, obtain water super-thin steel structure fire-proof paint.
The technical scheme that the present invention limits further is:
In the preparation method of aforementioned water super-thin steel structure fire-proof paint, the rotating speed of vertical skin grinder is 1200-1400r/min.
The invention has the beneficial effects as follows:
Water super-thin steel structure fire-proof paint of the present invention is the class environmental protection row frie retardant coating using waterborne polymeric as filmogen, using water as dispersion medium, water super-thin steel structure fire-proof paint is compared with solvent-borne type super-thin steel structure frie retardant coating, there is the quantity discharged reducing volatile organic matter, reduce energy consumption, reduce coating advantage such as the harm to human body and the pollution to environment in the links such as production, construction, application;
The ACRYLIC EMULSION adopted in the present invention, ACRYLIC EMULSION sticking power is good, and speed of expansion is comparatively slow, and the time length is long, and expansion multiplying power is high.Carbide is many, uniform foam cell, and expanding layer is fine and close and hardness is high, and therefore flameproof effect is good, is suitable as super-thin steel structure fire-proof paint filmogen;
Deionized water is adopted time prepared by water super-thin steel structure fire-proof paint of the present invention, the performance of the purity gained coating of water has a certain impact, containing a little metal ion in tap water, the polycondensation between hydrolysate silanol can be caused, thus detrimentally affect is produced to the performance of product coating, using deionized water to have side effects affects the performance of coating;
The present invention adopts glass powder as mineral filler, be easy to dispersion, with other components in resin and coating system, there is good avidity, the fullness ratio of coating can be improved after film forming, after surface treatment, hardness and the toughness of coating can be increased, improve the anti-scratch performance of coating, there is photoextinction, the weathering resistance of coating can be significantly improved, there is the advantages such as transparency is high, stable chemical nature, physical strength are high, thermotolerance is good;
The present invention adopts diatomite to have, and space is large, absorptivity, stable chemical nature, the feature such as wear-resisting, heat-resisting, excellent surface property can be provided for coating, increase-volume, thickening and raising sticking power, because it has larger pore volume, the time of drying of coating can be shortened, the porous structure that diatomite is special, in space the low heat conductivity of gas make its in frie retardant coating can device to good heat-blocking action;
The present invention adopts the frie retardant coating through frosted process obviously to improve in resistivity against fire and water tolerance, and fire protection coating smooth surface is fine and smooth, ornamental remarkable improvement.
Embodiment
embodiment 1
The present embodiment provides a kind of water super-thin steel structure fire-proof paint, and this frie retardant coating comprises following component in mass fraction:
ACRYLIC EMULSION: 25 parts, Intumescent Retardant System: 22 parts, calcium carbonate: 30 parts, dispersion medium water: 23 parts, auxiliary agent: 13 parts,
Auxiliary agent comprises following component in mass fraction: Sodium hexametaphosphate 99: 1.5 parts, tributyl phosphate: 1.0 parts, aluminium hydroxide: 0.3 part, glycol dioleate: 0.2 part, ethylene glycol: 9 parts, flow agent: 0.5 part, Walocel MT 20.000PV: 0.5 part;
Intumescent Retardant System comprises following component in mass fraction: ammonium polyphosphate: 4 parts, tetramethylolmethane: 10 parts, clorafin: 8 parts.
The preparation method of above-mentioned water super-thin steel structure fire-proof paint, comprises following step:
A. general, dispersion agent, defoamer, anti-sudden strain of a muscle rust agent and mould inhibitor add in dispersion cylinder, stirring at low speed 5min, stirring velocity is 50r/min;
B. in (a) step, dehydration catalyst, char-forming agent, whipping agent, filler is added, pre-dispersed 13min;
C. proceed in vertical skin grinder by the mixture in (b) step, the rotating speed of vertical skin grinder is 1200r/min, high speed sand milling 75min under high shear, controls fineness < 50 μ of mixture;
D. again the mixture in step (c) is proceeded in dispersion tank, add base-material emulsion and the auxiliary agent such as film coalescence aid, flow agent fully mixes, then add the viscosity of thickening material regulation system, with discharging after the rotating speed of 750r/min dispersion 20min, obtain water super-thin steel structure fire-proof paint.
embodiment 2
The present embodiment provides a kind of water super-thin steel structure fire-proof paint, and this frie retardant coating comprises following component in mass fraction:
PVAc emulsion: 28 parts, Intumescent Retardant System: 20 parts, titanium white: 25 parts, dispersion medium water: 25 parts, auxiliary agent: 14 parts,
Wherein, auxiliary agent comprises following component in mass fraction: Sodium hexametaphosphate 99: 1.8 parts, tributyl phosphate: 0.5 part, zinc borate: 0.4 part, amide imidazoline: 0.3 part, ethylene glycol: 10 parts, flow agent: 0.8 part, Walocel MT 20.000PV: 0.2 part;
Intumescent Retardant System comprises following component in mass fraction: primary ammonium phosphate: 4 parts, ammonium polyphosphate: 10 parts, volatile salt: 6 parts.
The preparation method of above-mentioned water super-thin steel structure fire-proof paint, comprises following step:
A. add in dispersion cylinder by deionized water, dispersion agent, defoamer, anti-sudden strain of a muscle rust agent and mould inhibitor, stirring at low speed 15min, stirring velocity is 70r/min;
B. in (a) step, dehydration catalyst, char-forming agent, whipping agent, filler is added, pre-dispersed 10min;
C. proceed in vertical skin grinder by the mixture in (b) step, the rotating speed of vertical skin grinder is 1400r/min, high speed sand milling 100min under high shear, controls fineness < 50 μ of mixture;
D. again the mixture in step (c) is proceeded in dispersion tank, add base-material emulsion and the auxiliary agent such as film coalescence aid, flow agent fully mixes, then add the viscosity of thickening material regulation system, with discharging after the rotating speed of 795r/min dispersion 15min, obtain water super-thin steel structure fire-proof paint.
embodiment 3
The present embodiment provides a kind of water super-thin steel structure fire-proof paint, and this frie retardant coating comprises following component in mass fraction:
Pure-acrylic emulsion: 30 parts, Intumescent Retardant System: 25 parts, zinc oxide: 20 parts, dispersion medium water: 20 parts, auxiliary agent: 10 parts,
Wherein, auxiliary agent comprises following component in mass fraction: Sodium hexametaphosphate 99: 2.0 parts, tributyl phosphate: 0.7 part, zinc phosphate: 0.5 part, petroleum sodium sulfonate: 0.4 part, ethylene glycol: 5 parts, flow agent: 1 part, Walocel MT 20.000PV: 0.4 part;
Intumescent Retardant System comprises following component in mass fraction: ammonium phosphate: 5 parts, dipentaerythritol: 13 parts, Dyhard RU 100: 7 parts.
The preparation method of above-mentioned water super-thin steel structure fire-proof paint, comprises following step:
A. add in dispersion cylinder by deionized water, dispersion agent, defoamer, anti-sudden strain of a muscle rust agent and mould inhibitor, stirring at low speed 8min, stirring velocity is 60r/min;
B. in (a) step, dehydration catalyst, char-forming agent, whipping agent, filler is added, pre-dispersed 15min;
C. proceed in vertical skin grinder by the mixture in (b) step, the rotating speed of vertical skin grinder is 1300r/min, high speed sand milling 50min under high shear, controls fineness < 50 μ of mixture;
D. again the mixture in step (c) is proceeded in dispersion tank, add base-material emulsion and the auxiliary agent such as film coalescence aid, flow agent fully mixes, then add the viscosity of thickening material regulation system, with discharging after the rotating speed of 850r/min dispersion 30min, obtain water super-thin steel structure fire-proof paint.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of application claims.
Claims (8)
1. a water super-thin steel structure fire-proof paint, is characterized in that, this frie retardant coating comprises following component in mass fraction:
Base-material emulsion 25-30 part
Intumescent Retardant System 20-25 part
Filler 20-30 part
Deionized water 20-25 part
Auxiliary agent 10-15 part
Wherein, described auxiliary agent comprises following component in mass fraction: dispersion agent: 1.5-2.0 part, defoamer: 0.5-1.0 part, mould inhibitor: 0.3-0.5 part, anti-sudden strain of a muscle rust agent: 0.2-0.4 part, film coalescence aid: 5-10 part, flow agent: 0.5-1.0 part, thickening material: 0.2-0.5 part;
Described Intumescent Retardant System comprises following component in mass fraction: dehydration catalyst: 4-8 part, char-forming agent: 10-15 part, whipping agent: 6-8 part.
2. water super-thin steel structure fire-proof paint according to claim 1, is characterized in that: described base-material emulsion is one or more in ACRYLIC EMULSION, benzene emulsion, pure-acrylic emulsion, organosilicon crylic acid latex or PVAc emulsion.
3. water super-thin steel structure fire-proof paint according to claim 1, is characterized in that, described dehydration catalyst is one or more in ammonium phosphate, ammonium polyphosphate, primary ammonium phosphate, melamine phosphate or amides; Described char-forming agent is one or more in sorbyl alcohol, starch, tetramethylolmethane or dipentaerythritol; Described whipping agent is one or more in trimeric cyanamide, volatile salt, Dyhard RU 100 or clorafin.
4. water super-thin steel structure fire-proof paint according to claim 1, is characterized in that, described filler is mineral filler, comprises one or more in glass powder, titanium white, zinc oxide, mica, diatomite, Hai Pao or calcium carbonate.
5. water super-thin steel structure fire-proof paint according to claim 1, is characterized in that, described film coalescence aid is ethylene glycol; Described defoamer is tributyl phosphate; Described thickening material is Walocel MT 20.000PV; Described dispersion agent is Sodium hexametaphosphate 99.
6. water super-thin steel structure fire-proof paint according to claim 1, is characterized in that, described mould inhibitor is one or more in zinc phosphate, aluminium hydroxide or zinc borate; Described anti-ly dodge rust agent and comprise: one or more in glycol dioleate, petroleum sodium sulfonate, amide imidazoline or naphthenic acid alkaline earth salt.
7. the preparation method of water super-thin steel structure fire-proof paint as described in claim arbitrary in claim 1-6, is characterized in that, comprise following step:
A. add in dispersion cylinder by deionized water, dispersion agent, defoamer, anti-sudden strain of a muscle rust agent and mould inhibitor, stirring at low speed 5-15min, stirring velocity is 50-70r/min;
B. in (a) step, dehydration catalyst, char-forming agent, whipping agent, filler is added, pre-dispersed 10-15min;
C. the mixture in (b) step is proceeded in vertical skin grinder, high speed sand milling 50-100min under high shear, control fineness < 50 μ of mixture;
D. again the mixture in step (c) is proceeded in dispersion tank, add base-material emulsion and the auxiliary agent such as film coalescence aid, flow agent fully mixes, then the viscosity of thickening material regulation system is added, with discharging after the rotating speed of 750-850r/min dispersion 15-30min, obtain water super-thin steel structure fire-proof paint.
8. the preparation method of water super-thin steel structure fire-proof paint according to claim 7, it is characterized in that, the rotating speed of described vertical skin grinder is 1200-1400r/min.
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| CN201410475746.8A CN104231805A (en) | 2014-09-18 | 2014-09-18 | Water-based ultra-thin fire-retardant coating for steel structures and preparation method of fire-retardant coating |
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Application publication date: 20141224 |