CN109401406A - A kind of water paint intumescent smoke inhibition fire retardant and preparation method thereof - Google Patents

A kind of water paint intumescent smoke inhibition fire retardant and preparation method thereof Download PDF

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Publication number
CN109401406A
CN109401406A CN201811273558.1A CN201811273558A CN109401406A CN 109401406 A CN109401406 A CN 109401406A CN 201811273558 A CN201811273558 A CN 201811273558A CN 109401406 A CN109401406 A CN 109401406A
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parts
intumescent
fire retardant
water
water paint
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CN109401406B (en
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李竑靓
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Zhongchuang (Chongqing) fireproof material Co.,Ltd.
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Gongyi Hongsheng Rare Metals Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • 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
    • C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
    • C09D161/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C09D161/32—Modified amine-aldehyde condensates
    • 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
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/32—Phosphorus-containing compounds
    • C08K2003/321—Phosphates
    • C08K2003/322—Ammonium phosphate
    • C08K2003/323—Ammonium polyphosphate
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/38—Boron-containing compounds
    • C08K2003/387—Borates
    • 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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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Fireproofing Substances (AREA)
  • Paints Or Removers (AREA)

Abstract

The present invention relates to a kind of water paint intumescent smoke inhibition fire retardant and preparation method thereof, which includes the component of following parts by weight: 20-24 parts of boric acid, 36-38 parts of polyphosphoric acid amine, 20-24 parts of guanylurea phosphate, 36-40 parts of pentaerythrite, 30-34 parts of melamine, 1.0-1.4 parts of sulfonation charcoal, 3.6-4.0 parts of zinc borate, 2.0-2.4 parts of ammonium octamolybdate.Water-based fireproof anti-flaming dope is prepared using intumescent smoke inhibition fire retardant of the invention to coat for wooden material surface, can the significantly burning of sluggish wood materials in thermal histories, inhibit fire spread；The wood materials of intumescent smoke inhibition fire retardant preparation have good smoke-suppressing with water-based fireproof anti-flaming dope, the time that flue gas can be delayed to generate, the burst size of flue gas and the generation of toxic gas are reduced, provides more safety times and space for the escape and rescue of personnel under Fire Conditions.

Description

A kind of water paint intumescent smoke inhibition fire retardant and preparation method thereof
Technical field
The invention belongs to technical field of aqueous paint, and in particular to a kind of water paint intumescent smoke inhibition fire retardant, together When further relate to the preparation method of water paint intumescent smoke inhibition fire retardant a kind of.
Background technique
Wood materials have the advantages that environmentally friendly, nontoxic, processability is strong, reproducible, are widely used in furniture, building and interior The fields such as decorations.But untreated wood materials not fire resisting, it is inflammable and have kindling aggressiveness, can improve using field Fire risk, there are serious security risks.In order to effectively reduce the generation of fire, country has formulated a series of method Laws & Regulations and safety standard, it is desirable that reach corresponding fire-retardant rank in the material product that building, interior or public place use, This requires wood materials used to have better fire retardant performance.Anti-flaming dope is covered in wooden material surface, is inhibited Its flammability promotes its fire endurance, is a kind of more effective flame retardant treatment skill so that the generation of fire be reduced or avoided Art.Anti-flaming dope is coated in the combustible materials matrix surfaces such as solid wood, fiberboard, particieboard, and being formed, there is fire protection flame retarding protection to apply Film can be isolated flame, postpone substrate ignitor firing time, delay spread speed, prevention or the sluggish fire of flame on the surface of the material Sprawling, have the characteristics that easy to operate, adaptable, application space is boundless.
Anti-flaming dope can be divided into water paint and solvent based coating by its decentralized medium difference, and wherein solvent based coating is being applied The volatilization of working hour solvent, easily pollutes the environment, does harm to huamn body；And the water paint using water as decentralized medium has The features such as green, health, environmental protection, have become the trend and direction of coating industry development.Anti-flaming dope is divided again by combustion characteristics For intumescent paints and non-expansion type anti-flaming dope.Wherein intumescent paints film forming after, under room temperature with common paint film It is no different, but under flame or high temperature, coating acutely foams charing, is formed than the former nonflammable foam for applying thickness tens to hundred times Charring layer, thermal coefficient is low, prevents the transmitting of heat, effective starvation；Decomposition reaction simultaneously releases non-flammable gases (water Steam, ammonia, carbon dioxide etc.), imflammable gas is watered down, to slow down or prevent the conduction of heat and the sprawling of flame.It is swollen The original coating of swollen type anti-flaming dope is relatively thin (generally no greater than 1mm), meets finishing requirements, and in contrast cost is relatively low, fire prevention Good heat-insulation effect is gradually developed in recent years.
Intumescent paints system is generally made of acid source, charcoal source, gas source and painting film resin, in the case of fire rapidly Foamable reaction forms charcoal protective layer and discharges non-flammable compressive gas, plays the effect of its fire protection flame retarding.But in anti-flaming dope expansion process In, with the release of a large amount of non-flammable compressive gases, film layer is also heated and releases a large amount of flue gases and toxic gas, including smoke particle object, CO etc. seriously affects disaster affected people and the health and life security of disaster relief personnel, interferes evacuating personnel and rescue action.Cause This reduces the life smoke of intumescent paints, improves its smoke-suppressing, be desirable how on the basis of effective fire protection flame retarding The technical issues of solution.
Summary of the invention
The object of the present invention is to provide a kind of water paint intumescent smoke inhibition fire retardants, have good fire protection flame retarding And smoke-suppressing.
A second object of the present invention is to provide a kind of preparation sides of above-mentioned water paint intumescent smoke inhibition fire retardant Method.
To achieve the goals above, the technical scheme adopted by the invention is as follows:
A kind of water paint intumescent smoke inhibition fire retardant, the component including following parts by weight: 20-24 parts of boric acid gathers 36-38 parts of phosphamide, 20-24 parts of guanylurea phosphate, 36-40 parts of pentaerythrite, 30-34 parts of melamine, sulfonation charcoal 1.0-1.4 Part, 3.6-4.0 parts of zinc borate, 2.0-2.4 parts of ammonium octamolybdate.
The degree of polymerization of the ammonium polyphosphate is not less than 1000.
The vulcanization charcoal is prepared by following methods: according to mass ratio being 1:3.5-4.0 by active carbon and oleum Ratio mixing, it is cooling simultaneously to wash to neutrality under the conditions of 75 DEG C -85 DEG C after sulfonation 1.5-2.5h, be drying to obtain.
The granularity of active carbon used is 10-15 μm.
The zinc borate is powder, and average particle size is 2-3 μm；The ammonium octamolybdate is powder, and average particle size is 2-3 μm.
The fire retardant is used for using cyanurotriamide modified urea resin lotion as the water paint of base-material.
In the water paint, the dosage of the fire retardant meets: contained solid in cyanurotriamide modified urea resin lotion Mass ratio with polyphosphoric acid amine is 100:(36-38).
Further, using the wood materials expanded water-based fireproof anti-flaming dope of above-mentioned intumescent smoke inhibition fire retardant, Component including water and following parts by weight: 200 parts of cyanurotriamide modified urea resin lotion, ethylene-vinyl acetate copolymer 110-120 parts of lotion, 20-24 parts of boric acid, 36-38 parts of polyphosphoric acid amine, 20-24 parts of guanylurea phosphate, 36-40 parts of pentaerythrite, 30-34 parts of melamine, 1.0-1.4 parts of sulfonation charcoal, 3.6-4.0 parts of zinc borate, 2.0-2.4 parts of ammonium octamolybdate, coating additive 16- 20 parts, 0-44 parts of pigments and fillers.The solid content of the coating is 48%-52%.
The coating additive includes coalescing agent, dispersing agent, defoaming agent, wetting agent, thickener and levelling agent, the film forming The mass ratio of auxiliary agent and dispersing agent, defoaming agent, levelling agent is 10:(1.0-1.5): (1.0-2.0): (1.0-1.5): (2.0- 3.0): (1.0-2.0).
The pigments and fillers are the mixture of titanium dioxide or oxide powder and zinc or other pigment and filler.Available pigment packet Include but be not limited to carbon black, iron oxides inorganic pigment, phthalocyanine blue, ultramarine, phthalocyanine green, toluidines purple etc.；Available filler includes But be not limited to calcium carbonate, barium sulfate, mica powder, kaolin, talcum powder, diatomite, silica etc..It is mixed by pigment and filler In pigments and fillers made of conjunction, the mass percent of filler is no more than 30%.
A kind of preparation method of above-mentioned water paint intumescent smoke inhibition fire retardant, comprising the following steps:
1) it takes the boric acid of formula ratio, pentaerythrite to be added in suitable quantity of water, the amidine phosphate of formula ratio is added after being uniformly dispersed Base urea, ammonium polyphosphate, melamine, stirring make its expandable flame retardant premix that is uniformly dispersed to obtain；
Sulfonation charcoal, zinc borate, ammonium octamolybdate and the suitable quantity of water of formula ratio is taken to be placed in planetary ball mill, with 60-100r/ The revolving speed ball milling 30-50min of min makes it be uniformly dispersed, and obtains synergistic suppression cigarette premix；
2) expandable flame retardant premix obtained by step 1) and synergistic are pressed down cigarette premix to mix to get the water paint with swollen The water dispersant of swollen type smoke inhibition fire retardant.
In step 1), the solid content of premix is not less than 55%.Preferably, the solid content of the premix is 55%- 60%.
Water paint of the invention intumescent smoke inhibition fire retardant is formed in ammonium polyphosphate, pentaerythrite and melamine Basic Intumescent Retardant System on the basis of, to prevent the too fast solidification cyanurotriamide modified urea resin of excessive ammonium polyphosphate, adopt It uses boric acid and guanylurea phosphate to substitute part ammonium polyphosphate to use as dehydration catalyst, on the one hand alleviates ammonium polyphosphate to trimerization The too fast solidification of cyanamide modified urea-formaldehyde resin, enables coating storage-stable, transports and formation surface is smooth after application Film；On the other hand, guanylurea phosphate can effectively capture the harmful substances such as the free formaldehyde in resin, improve the ring of coating products Guarantor's type；A small amount of boric acid can gradually float on the surface of film during curing of coating, and it is swollen to be thermally decomposed into charcoal foaming in film Fine and close barrier layer is quickly formed on surface during swollen, prevents heat transfer and gas exchanges, to be hindered with other components synergistic Combustion suppression cigarette.Phosphorus-nitrogen-boron Ternary Expansive resistance is formed by boric acid, ammonium polyphosphate, guanylurea phosphate, pentaerythrite and melamine Combustion system, boric acid, ammonium polyphosphate, guanylurea phosphate are composite dewatering catalyst, and pentaerythrite is carbon forming agent, based on melamine Foaming agent, foaming agent supplemented by cyanurotriamide modified urea resin, film are thermally decomposed into charcoal foaming and intumescing, and foaming is good, is formed Charcoal layer height it is high and continuous, surface is hard, inside solid, and can firmly be bonded on substrate, have good barrier hot Amount and isolation combustion-supporting gas effect.
Water paint of the invention intumescent smoke inhibition fire retardant, in above-mentioned phosphorus-nitrogen-boron Ternary Expansive flame-retardant system On the basis of, it compounds to form synergistic smoke suppressant with ammonium octamolybdate using sulfonation charcoal, zinc borate.Wherein, sulfonation charcoal has sulfonic acid group, With good adsorptivity and catalytic activity；The catalytic activity of sulfonation charcoal can promote material at low temperature to act at charcoal, material in advance at After charcoal solidification, material at high temperature degradation and unburnt generation can be inhibited, so that the heat release of material be effectively reduced, made Obtain high temperature degradation substance such as flue dust, CO, CO2It reduces, inhibits the release of flue gas, reduce the generation of toxic gas.Due to sulfonation charcoal Catalysis carbon-forming effect so that film is heated to reduce foaming that the foamed char to be formed is harder, structure is finer and close, isolation effect Fruit is more preferable；Contain minimal amount of S in layer of charcoal, catalyzing factor largely remains in layer of charcoal, and only minute quantity is with burning With SO2Form is spilt into air, will not be to human body and environmental effects.Zinc borate is cooperateed with boric acid, easily in curing of coatings Film coated surface is floated in the process, is attached to surface by thermosetting glassy state inorganic layer, is promoted charcoal production, is formed hard isolation layer, Completely cut off the contact with air, effectively presses down cigarette suppression and glow.Ammonium octamolybdate also has good flame-retardant smoke inhibition effect, with zinc borate, Sulfonation charcoal synergistic effect, is acted on, it would be possible to form the secured key of parent of aromatic series smoke point by metal bonding and reductive coupling It closes in metal-aromatic series compound, promotes to form class containing metal, oxygen-containing class heterocycle, the heterocycle of class containing S, the charcoal more than carbohydrate structure, And cannot be cyclized to form aromatic series benzene cyclic compound, flue gas release is reduced, to have good smoke suppressing effect.
Water paint of the invention intumescent smoke inhibition fire retardant, it is fire-retardant to be suitable for wood materials expanded water-based fireproof Coating, on the basis of cyanurotriamide modified urea resin base coating, using boric acid, ammonium polyphosphate, guanylurea phosphate, Ji Wusi Alcohol, the Intumescent Retardant System of melamine compounding and sulfonation charcoal, zinc borate, the suppression smoke system synergistic of ammonium octamolybdate composition are fire-retardant. Through detecting, the water-based fireproof anti-flaming dope prepared using intumescent smoke inhibition fire retardant of the invention is coated in wooden material surface, Its limit oxygen index reaches 43% or more, belongs to fire retardant rank, illustrates that intumescent smoke inhibition fire retardant of the invention can be sent out well The effect of the heat-insulated and starvation of Intumscent Flame Retardant System is waved, there is good fire retardant performance.Using of the invention swollen In calorimetric experiment, burning time reaches the wood materials of the water-based fireproof anti-flaming dope coating of swollen type smoke inhibition fire retardant preparation 650s or more, considerably beyond using the sample without anti-flaming smoke-inhibiting agent coating and without coating sample, maximum heat release efficiency is little In 93kW/m2, illustrate intumescent smoke inhibition fire retardant of the invention can in thermal histories the significantly burning of sluggish substrate, drop The rate that low materials pyrolysis and volatile materials generate, inhibits fire spread, the risk of fire is effectively reduced, and is Fire Conditions The escape and rescue of lower personnel provides more permanent safety time.The water prepared using intumescent smoke inhibition fire retardant of the invention Property fireproof flame-retardant coating coating wood materials most opium rate of release be no more than 0.0023m2/ s, total smoke release are no more than 0.21m2, while CO, CO2Burst size is also greatly reduced, and illustrates that intumescent smoke inhibition fire retardant of the invention has good suppression cigarette Property, the time that flue gas can be delayed to generate when fire occurs, the burst size of flue gas and the generation of toxic gas are reduced, reduces flue gas Injury to human body.
The preparation method of water paint of the invention intumescent smoke inhibition fire retardant, reasonable arrangement each raw material component feed intake Sequence and technical parameter, simple process are easy to operate；For coating finished product without flocculation, precipitating and lamination, property is stablized, Resistance to long-time storage and transport are suitble to promote the use of.
Specific embodiment
The present invention is described further With reference to embodiment.
In specific embodiment, cyanurotriamide modified urea resin lotion used is by cyanurotriamide modified urea resin rubber powder It is mixed with water, solid content 50%；In synthesis, F/ (U+M) molar ratio is cyanurotriamide modified urea resin used 1.15:1, M/MUF mass ratio are 10%.The solid content of the ethylene-vinyl acetate copolymer emulsion (EVA lotion) is 45%, The mass content of vinyl acetate is 75% in ethylene-vinyl acetate copolymer.Ammonium polyphosphate used is that the degree of polymerization is 1000 or more II type ammonium polyphosphate, average degree of polymerization 1200.Water used is deionized water.
In coating additive used, the coalescing agent is that the mass ratio of dipropylene glycol methyl ether and N-Methyl pyrrolidone is The mixture of 1.5:1.The dispersing agent is aqueous dispersion Disper-715 (Tego Digao), commercial goods.The defoaming agent For BYK-019 defoaming agent (BYK chemistry), commercial goods.The wetting agent is Wet245 wetting agent (Tego Digao), commercially available quotient Product.The thickener is hydroxyethyl cellulose, viscosity specification (2%, 25 DEG C of aqueous solutions) 50000mpas.The levelling agent is Aqueous levelling agent Glidl450 (Tego Digao), commercial goods.Zinc borate used is that (formula ratio presses boron to 3.5 hydrate zinc borate of commodity Sour zinc meter) powder, granularity is 2-3 μm.Ammonium octamolybdate used is powder, and granularity is 2-3 μm.
In specific embodiment, oleum used in preparation vulcanization charcoal is 40% oleum (quality containing sulfur trioxide point Number 40%)；Active carbon used is merchandise active carbon powder, and granularity is 10-15 μm.
In specific embodiment, ball radius used in planetary ball mill used is 5mm.
In specific embodiment, to meet the requirements the solid content of final gained water-based fireproof anti-flaming dope, preparation method In, rate-determining steps 1) solid contents of the various premixes of gained is not less than 55%.
Embodiment 1
The water paint of the present embodiment intumescent smoke inhibition fire retardant, is grouped as: boron by the group of water and following parts by weight Sour 24 parts, 36 parts of polyphosphoric acid amine, 20 parts of guanylurea phosphate, 36 parts of pentaerythrite, 30 parts of melamine, 1.4 parts of sulfonation charcoal, boric acid 3.6 parts of zinc, 2.4 parts of ammonium octamolybdate.
Wood materials expanded water-based fireproof anti-flaming dope is prepared using above-mentioned intumescent smoke inhibition fire retardant, further includes The component of water and following parts by weight: 200 parts of cyanurotriamide modified urea resin lotion, ethylene-vinyl acetate copolymer emulsion 110 parts, 18 parts of coating additive, 36 parts of pigments and fillers titanium dioxide；The solid content of the coating is 50%.
Wherein, the coating additive is made of coalescing agent, dispersing agent, defoaming agent, wetting agent, thickener and levelling agent, The coalescing agent and the mass ratio of dispersing agent, defoaming agent, thickener, levelling agent are 10:1.3:1.2:1.5:2.5:1.5.
The sulfonation charcoal is prepared by following methods: the ratio for being 1:3.8 according to mass ratio by active carbon and oleum Example mixing, under the conditions of 80 DEG C after sulfonation 1.5h, is cooled to room temperature and is washed with deionized to neutrality, be drying to obtain.
The preparation method of wood materials expanded water-based fireproof anti-flaming dope, comprising the following steps:
1) it takes the cyanurotriamide modified urea resin lotion of formula ratio to mix with ethylene-vinyl acetate copolymer emulsion, stirs Mixing makes it be uniformly dispersed, and obtains film forming binder；
It takes the boric acid of formula ratio, pentaerythrite to be added in suitable quantity of water, the phosphoric acid amidino groups of formula ratio is added after being uniformly dispersed Urea, ammonium polyphosphate, melamine, stirring make its expandable flame retardant premix that is uniformly dispersed to obtain；
Sulfonation charcoal, zinc borate, ammonium octamolybdate and the suitable quantity of water of formula ratio is taken to be placed in planetary ball mill, with 60r/min's Revolving speed ball milling 40min makes it be uniformly dispersed, and obtains synergistic suppression cigarette premix；
The film coalescing aid of formula ratio is taken to be added in suitable quantity of water, stirring makes it be uniformly dispersed, and obtains auxiliary agent premix；
The pigments and fillers and suitable quantity of water for taking formula ratio are placed in planetary ball mill, are made with the revolving speed ball milling 30min of 100r/min It is uniformly dispersed, and obtains face and fills out premix；
2) expandable flame retardant premix obtained by step 1) is mixed with synergistic suppression cigarette premix, with the revolving speed ball milling of 60r/min 40min makes its smoke-inhibiting flame retardant premix (moisture of as above-mentioned water paint intumescent smoke inhibition fire retardant that is uniformly dispersed to obtain Powder)；
3) face obtained by step 1) is first filled out into premix and auxiliary agent premix is placed in planetary ball mill, with turning for 100r/min Fast ball milling 30min makes it be uniformly dispersed, and smoke-inhibiting flame retardant premix obtained by step 2) is added, and continues ball milling 30min, adds film forming Base-material, adjustment solid content are 50%, and continue ball milling 50min to being uniformly dispersed to get the wood materials with expanded water-based Fireproof flame-retardant coating.
Embodiment 2
The water paint of the present embodiment intumescent smoke inhibition fire retardant, is grouped as: boron by the group of water and following parts by weight Sour 22 parts, 38 parts of polyphosphoric acid amine, 22 parts of guanylurea phosphate, 38 parts of pentaerythrite, 32 parts of melamine, 1.3 parts of sulfonation charcoal, boric acid 4.0 parts of zinc, 2.0 parts of ammonium octamolybdate.
Wood materials expanded water-based fireproof anti-flaming dope is prepared using above-mentioned intumescent smoke inhibition fire retardant, further includes The component of water and following parts by weight: 200 parts of cyanurotriamide modified urea resin lotion, ethylene-vinyl acetate copolymer emulsion 115 parts, 16 parts of coating additive, 34 parts of pigments and fillers titanium dioxide；The solid content of the coating is 51%.
Wherein, the coating additive is made of coalescing agent, dispersing agent, defoaming agent, wetting agent, thickener and levelling agent, The coalescing agent and the mass ratio of dispersing agent, defoaming agent, thickener, levelling agent are 10:1.0:1.0:1.0:2.0:1.0.
The sulfonation charcoal is prepared by following methods: the ratio for being 1:3.5 according to mass ratio by active carbon and oleum Example mixing, under the conditions of 85 DEG C after sulfonation 2.5h, is cooled to room temperature and is washed with deionized to neutrality, be drying to obtain.
The preparation method of wood materials expanded water-based fireproof anti-flaming dope, comprising the following steps:
1) it takes the cyanurotriamide modified urea resin lotion of formula ratio to mix with ethylene-vinyl acetate copolymer emulsion, stirs Mixing makes it be uniformly dispersed, and obtains film forming binder；
It takes the boric acid of formula ratio, pentaerythrite to be added in suitable quantity of water, the phosphoric acid amidino groups of formula ratio is added after being uniformly dispersed Urea, ammonium polyphosphate, melamine, stirring make its expandable flame retardant premix that is uniformly dispersed to obtain；
Sulfonation charcoal, zinc borate, ammonium octamolybdate and the suitable quantity of water of formula ratio is taken to be placed in planetary ball mill, with 100r/min's Revolving speed ball milling 40min makes it be uniformly dispersed, and obtains synergistic suppression cigarette premix；
The film coalescing aid of formula ratio is taken to be added in suitable quantity of water, stirring makes it be uniformly dispersed, and obtains auxiliary agent premix；
The pigments and fillers and suitable quantity of water for taking formula ratio are placed in planetary ball mill, make it with the revolving speed ball milling 30min of 60r/min It is uniformly dispersed, obtains face and fill out premix；
2) expandable flame retardant premix obtained by step 1) is mixed with synergistic suppression cigarette premix, with the revolving speed ball milling of 60r/min 40min makes its smoke-inhibiting flame retardant premix (moisture of as above-mentioned water paint intumescent smoke inhibition fire retardant that is uniformly dispersed to obtain Powder)；
3) face obtained by step 1) is first filled out into premix and auxiliary agent premix is placed in planetary ball mill, with turning for 100r/min Fast ball milling 30min makes it be uniformly dispersed, and smoke-inhibiting flame retardant premix is added, and continues ball milling 30min, adds film forming binder, adjusts Solid content is 51%, and continues ball milling 50min to being uniformly dispersed to get the fire-retardant painting of wood materials expanded water-based fireproof Material.
Embodiment 3
The water paint of the present embodiment intumescent smoke inhibition fire retardant, is grouped as: boron by the group of water and following parts by weight Acid 20 parts, 38 parts of polyphosphoric acid amine, 24 parts of guanylurea phosphate, 40 parts of pentaerythrite, 30-34 parts of melamine, 1.2 parts of sulfonation charcoal, 3.8 parts of zinc borate, 2.2 parts of ammonium octamolybdate.
Wood materials expanded water-based fireproof anti-flaming dope is prepared using above-mentioned intumescent smoke inhibition fire retardant, further includes The component of water and following parts by weight: 200 parts of cyanurotriamide modified urea resin lotion, ethylene-vinyl acetate copolymer emulsion 120 parts, 20 parts of coating additive, 38 parts of pigments and fillers titanium dioxide；The solid content of the coating is 52%.
Wherein, the coating additive is made of coalescing agent, dispersing agent, defoaming agent, wetting agent, thickener and levelling agent, The coalescing agent and the mass ratio of dispersing agent, defoaming agent, thickener, levelling agent are 10:1.5:2.0:1.5:3.0:2.0.
The sulfonation charcoal is prepared by following methods: the ratio for being 1:4.0 according to mass ratio by active carbon and oleum Example mixing, under the conditions of 75 DEG C after sulfonation 2.0h, is cooled to room temperature and is washed with deionized to neutrality, be drying to obtain.
The preparation method of wood materials expanded water-based fireproof anti-flaming dope, comprising the following steps:
1) it takes the cyanurotriamide modified urea resin lotion of formula ratio to mix with ethylene-vinyl acetate copolymer emulsion, stirs Mixing makes it be uniformly dispersed, and obtains film forming binder；
It takes the boric acid of formula ratio, pentaerythrite to be added in suitable quantity of water, the phosphoric acid amidino groups of formula ratio is added after being uniformly dispersed Urea, ammonium polyphosphate, melamine, stirring make its expandable flame retardant premix that is uniformly dispersed to obtain；
Sulfonation charcoal, zinc borate, ammonium octamolybdate and the suitable quantity of water of formula ratio is taken to be placed in planetary ball mill, with 100r/min's Revolving speed ball milling 40min makes it be uniformly dispersed, and obtains synergistic suppression cigarette premix；
The film coalescing aid of formula ratio is taken to be added in suitable quantity of water, stirring makes it be uniformly dispersed, and obtains auxiliary agent premix；
The pigments and fillers and suitable quantity of water for taking formula ratio are placed in planetary ball mill, make it with the revolving speed ball milling 30min of 60r/min It is uniformly dispersed, obtains face and fill out premix；
2) expandable flame retardant premix obtained by step 1) is mixed with synergistic suppression cigarette premix, with the revolving speed ball milling of 60r/min 40min makes its smoke-inhibiting flame retardant premix (moisture of as above-mentioned water paint intumescent smoke inhibition fire retardant that is uniformly dispersed to obtain Powder)；
3) face obtained by step 1) is first filled out into premix and auxiliary agent premix is placed in planetary ball mill, with turning for 100r/min Fast ball milling 30min makes it be uniformly dispersed, and smoke-inhibiting flame retardant premix is added, and continues ball milling 30min, adds film forming binder, adjusts Solid content is 52%, and continues ball milling 50min to being uniformly dispersed to get the fire-retardant painting of wood materials expanded water-based fireproof Material.
Experimental example 1
This experimental example uses wood materials obtained by embodiment 1-3 according to GB/T 12441-2005 " finishing fire retardant paint " The basic performance of expanded water-based fireproof anti-flaming dope is detected, and the results are shown in Table 1.
The basic performance testing result of wood materials expanded water-based fireproof anti-flaming dope obtained by 1 embodiment 1-3 of table
As it can be seen from table 1 the properties of wood materials expanded water-based fireproof anti-flaming dope obtained by embodiment 1-3 Index is in the range of requirements of the national standard.The experimental results showed that using the wooden of intumescent smoke inhibition fire retardant of the invention Material expanded water-based fireproof anti-flaming dope meets the fire-retardant approval test of product, belongs to the water-based fireproof resistance haveing excellent performance Burning coating material.
Experimental example 2
This experimental example carries out wood materials obtained by embodiment 1-3 with the service performance of expanded water-based fireproof anti-flaming dope Detection.Experiment content specifically:
Experimental group 1-3 is respectively to be coated in wood materials obtained by embodiment 1-3 with expanded water-based fireproof anti-flaming dope On 100mm × 100mm × 5mm poplar plywood (sample) face, sample carries out polishing sanding in advance, guarantees that surface is smooth flat It is whole, side edge sealing；Wet coated weight is 500g/m2.Sample is dried under room temperature, natural conditions to constant weight after coating the coating (mass change is not more than 0.5% in for 24 hours), thickness of dry film is about 0.2mm, is then detected.
Control group 1 does not use any coating, for the poplar plywood (sample) coated without surface.
Water paint used in control group 2 is grouped as by the group of water and following parts by weight: cyanurotriamide modified urea resin 200 parts of lotion, 110 parts of ethylene-vinyl acetate copolymer emulsion, 60 parts of polyphosphoric acid amine, 20 parts of guanylurea phosphate, pentaerythrite 36 Part, 18 parts of coating additive, 36 parts of pigments and fillers titanium dioxide；The solid content of the coating is 50%.Remaining is the same as experimental group 1.
Every group of detection is repeated 3 times, and is averaged.The results are shown in Table 2.
The service performance testing result of wood materials expanded water-based fireproof anti-flaming dope obtained by 2 embodiment 1-3 of table
As it can be seen from table 1 compared with the control group, using wood materials expanded water-based fireproof obtained by embodiment 1-3 The limit oxygen index of the experimental group sample of anti-flaming dope coating reaches 43% or more, belongs to fire retardant rank, illustrates using the present invention Intumescent smoke inhibition fire retardant preparation water-based fireproof anti-flaming dope can play well the heat-insulated of Intumscent Flame Retardant System and every The effect of anoxybiotic gas has good fire retardant performance.Wood materials expanded water-based fireproof obtained by embodiment 1-3 is fire-retardant For the experimental group sample of coating coating in calorimetric experiment, burning time reaches 650s or more, considerably beyond control group 1 (using not The sample of the coating containing anti-flaming smoke-inhibiting agent) 138s and control group 2 (no coating sample) 23s, maximum heat release efficiency is not more than 93kW/m2, well below control group, illustrate the water-based fireproof anti-flaming dope prepared using intumescent smoke inhibition fire retardant of the invention Can the significantly burning of sluggish wood materials in thermal histories, reduce the rate that materials pyrolysis and volatile materials generate, Inhibit fire spread, the risk of fire is effectively reduced, for personnel under Fire Conditions escape and rescue provide it is more permanent Safety time.Compared with the control group, the most opium rate of release of experimental group 1-3 is no more than 0.0023m2/ s, about control group 1 10%, total smoke release is no more than 0.21m2, about the 15% of control group 1；CO, CO simultaneously2Burst size is also greatly reduced, explanation There is good smoke-suppressing using the water-based fireproof anti-flaming dope of intumescent smoke inhibition fire retardant of the invention, it can be when fire occurs The time for delaying flue gas to generate reduces the burst size of flue gas and the generation of toxic gas, reduces injury of the flue gas to human body.

Claims (8)

1. a kind of water paint intumescent smoke inhibition fire retardant, it is characterised in that: the component including following parts by weight: boric acid 20-24 parts, 36-38 parts of polyphosphoric acid amine, 20-24 parts of guanylurea phosphate, 36-40 parts of pentaerythrite, 30-34 parts of melamine, sulphur Change charcoal 1.0-1.4 parts, 3.6-4.0 parts of zinc borate, 2.0-2.4 parts of ammonium octamolybdate.
2. water paint according to claim 1 intumescent smoke inhibition fire retardant, it is characterised in that: the ammonium polyphosphate The degree of polymerization is not less than 1000.
3. water paint according to claim 1 intumescent smoke inhibition fire retardant, it is characterised in that: the vulcanization charcoal be by Following methods preparation:
Active carbon and oleum are mixed according to the ratio that mass ratio is 1:3.5-4.0, sulfonation under the conditions of 75 DEG C -85 DEG C After 1.5-2.5h, cooling is simultaneously washed to neutrality, is drying to obtain.
4. water paint according to claim 3 intumescent smoke inhibition fire retardant, it is characterised in that: the grain of active carbon used Degree is 10-15 μm.
5. water paint according to claim 1 intumescent smoke inhibition fire retardant, it is characterised in that: the zinc borate is powder Body, average particle size are 2-3 μm；The ammonium octamolybdate is powder, and average particle size is 2-3 μm.
6. water paint according to claim 1 intumescent smoke inhibition fire retardant, it is characterised in that: the fire retardant be used for Cyanurotriamide modified urea resin lotion is the water paint of base-material.
7. water paint according to claim 6 intumescent smoke inhibition fire retardant, it is characterised in that: the water paint In, the dosage of the fire retardant meets: contained solid and the mass ratio of polyphosphoric acid amine are in cyanurotriamide modified urea resin lotion 100:(36-38)。
8. a kind of preparation method of such as water paint of any of claims 1-7 intumescent smoke inhibition fire retardant, It is characterized in that: the following steps are included:
1) boric acid of formula ratio, pentaerythrite is taken to be added in suitable quantity of water, added after being uniformly dispersed formula ratio guanylurea phosphate, Ammonium polyphosphate, melamine, stirring make its expandable flame retardant premix that is uniformly dispersed to obtain；
Sulfonation charcoal, zinc borate, ammonium octamolybdate and the suitable quantity of water of formula ratio is taken to be placed in planetary ball mill, with 60-100r/min's Revolving speed ball milling 30-50min makes it be uniformly dispersed, and obtains synergistic suppression cigarette premix；
2) expandable flame retardant premix obtained by step 1) is mixed with synergistic suppression cigarette premix to get the water paint intumescent The water dispersant of smoke inhibition fire retardant.
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110256886A (en) * 2019-07-05 2019-09-20 安徽工业大学 A kind of intumescent high adhesion force fireproof flame-retardant coating and preparation method thereof
CN111118885A (en) * 2019-12-25 2020-05-08 江西龙泰新材料股份有限公司 High-flame-retardant cotton textile water-based flame-retardant coating, preparation method and rope filling process thereof

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CN101117510A (en) * 2007-09-14 2008-02-06 东北林业大学 Modified amino resin expansion type water flame-proof paint
CN104858975A (en) * 2014-12-22 2015-08-26 王玉燕 Wood fire retardant
CN105820375A (en) * 2016-05-23 2016-08-03 徐州猎奇商贸有限公司 Composite flame retardant

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CN101117510A (en) * 2007-09-14 2008-02-06 东北林业大学 Modified amino resin expansion type water flame-proof paint
CN104858975A (en) * 2014-12-22 2015-08-26 王玉燕 Wood fire retardant
CN105820375A (en) * 2016-05-23 2016-08-03 徐州猎奇商贸有限公司 Composite flame retardant

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110256886A (en) * 2019-07-05 2019-09-20 安徽工业大学 A kind of intumescent high adhesion force fireproof flame-retardant coating and preparation method thereof
CN110256886B (en) * 2019-07-05 2021-08-06 安徽工业大学 Intumescent high-adhesion fireproof flame-retardant coating and preparation method thereof
CN111118885A (en) * 2019-12-25 2020-05-08 江西龙泰新材料股份有限公司 High-flame-retardant cotton textile water-based flame-retardant coating, preparation method and rope filling process thereof

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