CN104804605A - Water-soluble flame-retardant polyurethane coating and preparation method thereof - Google Patents
Water-soluble flame-retardant polyurethane coating and preparation method thereof Download PDFInfo
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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
- C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
- C09D151/08—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/006—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers provided for in C08G18/00
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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
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- 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
- 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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
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Abstract
The invention discloses a water-soluble flame-retardant polyurethane coating and a preparation method thereof. The coating comprises a polyurethane prepolymer, N-hydroxymethyl acrylamide, dibutyl phthalate, a titanate coupling agent, talc, light calcium carbonate, tributyl phosphate, isopropyl alcohol, a mixed solvent and a flame-retardant material. The preparation method comprises the following steps: 2 kg ethanol with the volume concentration being 50%-70% is added to each 1 kg of N-hydroxymethyl acrylamide, the mixture is mixed with the polyurethane prepolymer in a reaction kettle, the reaction temperature is 80-150 DEG C, the reaction is performed for 1 h, and then a mixture including isopropyl alcohol and the titanate coupling agent in the weight ratio being 1:1 is added; reaction is performed continuously for 2-5 h; dibutyl phthalate, talc, light calcium carbonate, tributyl phosphate, the mixed solvent and the flame-retardant material are added and uniformly mixed to obtain the water-soluble flame-retardant polyurethane coating product. The water-soluble flame-retardant polyurethane coating has the characteristics of high chemical resistance, high-temperature resistance, high weather resistance, high stain resistance, high glossiness, long service life and the like.
Description
Technical field
The present invention relates to a kind of preparation method of coating, particularly a kind of
aqurous ployurethane anti-flaming dopeand preparation method thereof, belong to chemical composition and preparing technical field thereof.
Background technology
Following coating is allowed in regulation in order to study volatile organic compounds (VOC), up to now, coating scientists creates a series of brand-new coating and application techniques system: powder coating, radiation curable coating (UV/EB system), water soluble paint, high solid coating and no-solvent type coating, and wherein powder coating and radiation curable coating use Special Equipment in construction; Although high solid coating very close to usual vehicle type coating, still has its inconvenient part in performance in construction, e.g., preparation of construction is difficult to cleaning and hot-fluid extension phenomenon etc.; And no-solvent type coating generally refers to no-solvent type epoxy flooring coating more, its use range is narrower; Therefore, water soluble paint is one of coating variety most with prospects, during especially most of water soluble paint construction, does not need special preparation of construction, need not toast heating cure, applied widely, application scenario is many, therefore gets most of the attention.Current water soluble paint achieves significant progress, coating 4 large synthetic resins: Synolac, acrylic resin, epoxy resin and urethane resin have achieved Water-borne modification to a certain degree all.
Wherein, most widely usedly aqurous ployurethane coating to be belonged to.Aqurous ployurethane coating is base-material with water soluble polyurethane resin and take water as a class coating of dispersion medium, not only there is nontoxic odorless, pollution-free, cost is low, not easy damaged by coating surface, construction easily, be easy to the advantages such as cleaning, also there is the intrinsic high rigidity of solvent borne polyurethane coating, the excellent properties such as wear-resistant, be thus widely used in many fields such as woodwork coating, car paint, building coating, plastic paint, paper coating and fabric and leather finish etc.But there is shortcoming is do not have flame retardant resistance, when careless presence of fire time, polyurethane coating also has combustion-supporting effect.
The document retrieved about polyurethane flame-proof coating is as follows:
1, Chinese patent, title: waterborne flame retardant urethane resin and preparation method's Application Number (patent): CN201110119112.5 apply for (patent right) people: Dandong Hengyue New Material Co. Ltd. makes a summary: a kind of waterborne flame retardant urethane resin and preparation method, it is a kind of waterborne polyurethane resin of brominated flame retarding polyether, and solid content is 20 ~ 40%.Preparation method, by preparing the base polyurethane prepolymer for use as A of E. D rings, preparing the urethane B of the blocked isocyanate of E. D rings, carries out emulsification chain extending reaction above-mentioned performed polymer A and urethane B, obtained waterborne flame retardant urethane resin.It has good flame retardant properties and washing fastness, can directly as the flame-retardant coatings glue of fabric etc., and anti-flaming dope uses.
2, Chinese patent, title: a kind of anti-flaming dope and preparation method thereof Application Number (patent): the CN201310372238.2 applying date: 2013.08.23 applies for (patent right) people: address, Wuxi City Jin Sheng auxiliary reagent factory: making a summary in Craft in Chemical Industrial Area, Zhang Jingquan mountain, tin Beizhen City, Xishan District, Wuxi City, Jiangsu Province: the invention provides a kind of anti-flaming dope, be made up of each component of following mass fraction: aqueous polyurethane 80-90 part, epoxy resin 15-20 part, vinylformic acid-2, 4, 6-tribromophenyl 6-8 part, vinyl acetate resin 5-10 part, vinylformic acid 2-5 part, tertiary carbonic acid glycidyl ester 6-8 part, initiator 0.2-0.4 part.Complete processing of the present invention is simple, and reasonable mixture ratio of components, the anti-flaming dope coating of production has good flame retardant effect.After being applied to building surface, once buildings presence of fire, heat reaches certain temperature, and namely the present invention plays the effect of anti-flaming thermal-insulation, thus stops or retarded combustion.
But prepare the coating that a kind of tool has fire-retardant, lightweight, high fire-resistant, high durable, environmental protection, not easily aging, long-lasting Surgery therapy heat insulation simultaneously, also not very proven technique, therefore at present people also in water-borne coatings also in continuous research trial.
Summary of the invention
Object of the present invention provides a kind of
aqurous ployurethane anti-flaming dopeand preparation method thereof, this coating has fire-retardant and good heat-insulation effect, high durable, environmental protection, not easily aging, long-acting effect.
The present invention is achieved in that
aqurous ployurethane anti-flaming dope, make the raw material that this coating comprises following parts by weight:
Base polyurethane prepolymer for use as 40 ~ 50 parts;
N hydroxymethyl acrylamide 1 ~ 2 part;
Dibutyl phthalate 2 ~ 5 parts;
Titanate coupling agent 0.5 ~ 1 part;
Talcum powder 3 ~ 8 parts;
Light calcium carbonate 3 ~ 10 parts;
Tributyl phosphate 0.1 ~ 0.3 part;
Virahol 0.5 ~ 1 part;
Mixed solvent 10 ~ 15 parts;
Fire retardant material 3 ~ 8 parts;
Described base polyurethane prepolymer for use as is the performed polymer with NCO end group, and molecular weight is between 4000-10000;
Described talcum powder is whiteness 75%, and fineness 45um percent of pass is the paint-grade talc powder of 98%, and its article number is TL75-45-98GB.The present invention adds paint-grade talc powder, utilizes its oilness, anti-to stick, helps the characteristics such as stream, resistivity against fire, resistance to acid, chemical torpescence and good luster, increase stablizing of shape of product, tensile strength and pressure intensity.
Described light calcium carbonate is the micro mist calcium carbonate of original median size d=1 ~ 5 μm.Due to light calcium carbonate fine particles, by adding micro mist calcium carbonate, water-borne coatings can be made easily to disperse, in coating system, using as dispersion agent.Because the surface of light calcium carbonate is more coarse, specific surface area is large, therefore its oil-absorption(number) is higher, is 60 ~ 90ml/100g, can play certain oil-stain-preventing effect.
Described tributyl phosphate is a kind of paint solvent and defoamer.Due to the surface tension that tributyl phosphate is low, be insoluble in the physical property of water, can effectively make the film of established foam be in an unsure state and rapid froth breaking.
Described Virahol is a kind of thinner.Clad at face, filling surface equably to make titanate coupling agent, generally add a small amount of thinner, when the weight ratio with coupling agent is 1:1, a small amount of titanic acid ester just can be made to be evenly distributed on filling surface, just can not to have cladded filler uniformly without thinner.
Described mixed solvent is xylogen+butyl glycol ether+water, and part by weight is followed successively by 3:1:10.
Described fire retardant material is sericite in powder+bromide fire retardant+antimonous oxide, and part by weight is followed successively by 10:2:1.Sericite in powder is of great value fire-retardant filler, and coordinate bromide fire retardant and antimonous oxide in the present invention, can obtain flame retardant resistance and fire line coating, and sericite in powder is one of composition of grouan, its hardness and physical strength are very large.So add sericite powder as filler in the present invention, its abrasion resistance can significantly improve.Be mainly used in automotive coatings, road paint, mechanical anti-corrosion coating, wallcovering.Bromide fire retardant flame retarding efficiency is high, good with matrix resin mutual compatibility, little to the Effect on Mechanical Properties of material, has very consequence in flame retardant area.Residue after bromide fire retardant decomposites HX under combustion conditions can promote the dehydration carbonization of polymer materials, forms the charring layer of difficult combustion, decreases the growing amount of lower molecular weight split product, hinder normally carrying out of combustion reactions.Antimonous oxide belongs to additive flame retardant, with bromide fire retardant and use, can produce good synergistic effect between each component.Antimonous oxide, at the burning initial stage, is first melting, forms protective membrane completely cut off air at material surface, by inner thermo-negative reaction, reduces temperature of combustion.Antimonous oxide is vaporized at high operating temperatures, dilutes oxygen concn in air, thus plays fire retardation.
Of the present invention
aqurous ployurethane anti-flaming dope, its preparation method comprises the following steps:
Per kilogram N hydroxymethyl acrylamide adds the dissolve with ethanol of the volumetric concentration 50-70% of 2 kilograms by weight, then mix with base polyurethane prepolymer for use as in a kettle., temperature of reaction 80-150 DEG C, the titanate coupling agent through isopropanol is added, i.e. weight ratio=the 1:1 of Virahol and titanate coupling agent after 1 hour reaction times.Continue reaction 2-5 hour; Then add dibutyl phthalate, talcum powder, light calcium carbonate, tributyl phosphate, mixed solvent and fire retardant material, mix and can obtain
aqurous ployurethane anti-flaming dopeproduct.
Of the present invention
aqurous ployurethane anti-flaming dope, its raw material also comprises: one or more in flow agent, antifreezing agent and anti-settling agent, and parts by weight are 1-5; Described flow agent is polyacrylate solution; Described antifreezing agent is 1,3-PD; Described anti-settling agent is the N-Methyl pyrrolidone solution of modified polyurea.
Of the present invention
aqurous ployurethane anti-flaming dope, colorant can also be added further, the coating that exterior wall is riotous with colour is provided.
Base polyurethane prepolymer for use as of the present invention is that be polymerized, with the performed polymer of NCO end group, molecular weight is between 4000-10000, and it has good physicals with isocyanic ester, polyethers for main raw material, and cohesive force is strong, normal temperature moisture curing.
N hydroxymethyl acrylamide of the present invention is white crystalline powder, fusing point 74 ~ 75 DEG C, and soluble in water, ethanol, is dissolved in fatty acid ester, is insoluble to the hydrophobic solvent such as hydrocarbon, halohydrocarbon.When the aqueous solution has acid to exist, heating can aggregate into rapidly insoluble resin.Owing to containing the vinyl of polymerization and the methylol of condensation performance in molecular structure, therefore make linear polymers crosslinking the most effective.If with acrylic ester monomer copolymerization, methylol is introduced into, only heating and crosslinkable.
Dibutyl phthalate of the present invention is a kind of softening agent, and goods can be made to have good flexibility, and stability, resistance to deflection, agglutinating value(of coal) and water-repellancy are all better than other softening agent.
Titanate coupling agent of the present invention is monoalkoxy tetra-sodium ester type, be applicable to the weighting agent system that water capacity of the present invention is higher, as mica powder, talcum powder etc., in this individual system, except the hydroxyl reaction on monoalkoxy and weighting agent surface is formed except coupling, tetra-sodium ester group can also be decomposed to form phosphate-based, in conjunction with a part of water.Be applied in aqurous ployurethane coating industry, can increase paint filler amount, dispersing property improves, have result of prevention, can prevent growing dim, paint film intensity is improved, lovely luster, also has and urges dry characteristic, can also reduce storing temperature and shorten baking time to baking finish.Titanate coupling agent by it alkoxyl group directly and the micro-carboxyl that adsorbs of filling surface or hydroxyl carry out chemical action and coupling.Pyrophosphoryl oxygen base is fire-retardant in addition, antirust, and strengthens bonding performance.In this coating, the R base of titanate coupling agent can with the hydroxyl reaction of inorganic filler surface, form the unimolecular layer of coupling agent, thus play chemical coupling effect.Long-chain moiety in titanate coupling agent molecule, plays and the entanglement effect of polymer molecule and compatibility, improves the shock strength of material, and reduce the surface energy of filler, the viscosity of system also significantly reduces, and has good oilness and rheological property.
Mixed solvent of the present invention is described mixed solvent is the mixture that xylogen and butyl glycol ether add water, and there are phenolic and hydroxyl in the functional group of xylogen, has good diffustivity in coating.2-Butoxyethyl acetate be a kind of high boiling, containing the glycol ether esters solvent of multiple functional radical, what can be used as emulsion paint helps coalescing agent, and it has excellent solubility property to multiple paint, makes it obtain in multicolor finish and emulsion coatings and applies widely.Be mainly used in metal, solvent that furniture sprays paint, also can be used as the solvent of protective coating, dyestuff, resin, leather, ink.
Of the present invention
aqurous ployurethane anti-flaming dope, can be coated with at common wall, roofing, steel framed structure, hull or petroleum storage tank the application be covered with.
Positively effect of the present invention is:
1, the present invention produces
aqurous ployurethane anti-flaming dopefilm forming matter due to after adding the materials such as dibutyl phthalate, titanate coupling agent, mica powder and mixed solvent in base polyurethane prepolymer for use as, good chemically crosslinked effect can be played, thus make film forming matter have dryness at normal temperatures, stablize tough and tensile, shrinking percentage is little, bonding strength is high, tensile strength is strong.Not only ensure that film has the advantages that chemical resistant properties is strong, heatproof is high, good weatherability, contamination resistance are good, self-cleaning is strong, also ensure that having material that is heat insulation, insulation effect function is firmly bonded in coating, extends the coating life-span.
2, of the present invention
aqurous ployurethane anti-flaming dopeadd fire retardant material, i.e. sericite in powder+bromide fire retardant+antimonous oxide, part by weight is 10:2:1.Sericite in powder is of great value fire-retardant filler, and coordinate bromide fire retardant and antimonous oxide in the present invention, can obtain flame retardant resistance and fire line coating, and sericite in powder is one of composition of grouan, its hardness and physical strength are very large.In the present invention, add fire retardant material, when effectively can prevent fire, polyurethane coating is combustion-supporting.
3, mica powder of the present invention is sheet lithotype high-quality sericite in powder, adopts
exclusivelythe processing of wet purification ultra-fine technology is obtained, with conventional dry
method is producedproduct compare there is high-purity, Gao Bai, high radius-thickness ratio, ultra-fine, low bulk density particle diameter is still living and in good health the distinguishing feature such as narrow.Utilize the feature of this mica powder, more than eighty per cant ultraviolet can be shielded, improve the weathering resistance of coating, postpone efflorescence, variable color.The two-dimensional sheet structure of mica powder aspect ratio, can strengthen the comprehensive mechanical performance of coating, and makes it have water proof anti-seepage, freedom from cracking, acidproof, alkaline-resisting, resistant to elevated temperatures performance, can also improve the heat-resisting of coating and antiseptic property.
4, in coating of the present invention, the R base of titanate coupling agent can with the hydroxyl reaction of inorganic filler surface, form the unimolecular layer of coupling agent, thus play chemical coupling effect.Long-chain moiety in titanate coupling agent molecule, plays and the entanglement effect of polymer molecule and compatibility, improves the shock strength of material, reduces the surface energy of filler, is that the viscosity of system significantly reduces, and has good oilness and rheological property.
5, of the present invention
aqurous ployurethane anti-flaming dopebe applicable to common wall, roofing, steel framed structure, hull, petroleum storage tank, according to finishing requirements, selecting of color can be carried out.
6, use water as solvent, cost is low, economic and practical, and construction is simple.
Embodiment
Embodiment 1:
First be the talcum powder 3 parts of TL75-45-98GB, light calcium carbonate (median size d=1 ~ 5 μm micro mist calcium carbonate) 3 parts, tributyl phosphate 0.1 part, Virahol 0.5 part by weight by base polyurethane prepolymer for use as 40 parts, N hydroxymethyl acrylamide 1 part, dibutyl phthalate 2 parts, monoalkoxy Pyrophosphate Type Yitanate Coupling Agent 0.5 part, article number; The mixed solvent 10 parts (mixture that xylogen and butyl glycol ether add water, part by weight is 3:1:10), fire retardant material 3 parts (sericite in powder and bromide fire retardant add the mixture of antimonous oxide, and part by weight is 10:2:1), flow agent polyacrylate solution 1 part, iron oxide yellow 2 parts; Get the raw materials ready.
Production method, per kilogram N hydroxymethyl acrylamide adds the dissolve with ethanol of the volumetric concentration 50-70% of 2 kilograms by weight, then mix with base polyurethane prepolymer for use as in a kettle., temperature of reaction 80-150 DEG C, the titanate coupling agent through isopropanol is added, i.e. weight ratio=the 1:1 of Virahol and titanate coupling agent after 1 hour reaction times.Continue reaction 2-5 hour; Then add dibutyl phthalate, talcum powder, light calcium carbonate, tributyl phosphate, mixed solvent, fire retardant material, flow agent and iron oxide yellow, mix and can obtain yellow
aqurous ployurethane anti-flaming dopeproduct.
Embodiment 2
First be the talcum powder 5 parts of TL75-45-98GB, light calcium carbonate (median size d=1 ~ 5 μm micro mist calcium carbonate) 6 parts, tributyl phosphate 0.2 part, Virahol 0.7 part by weight by base polyurethane prepolymer for use as 45 parts, N hydroxymethyl acrylamide 1.5 parts, dibutyl phthalate 3 parts, monoalkoxy Pyrophosphate Type Yitanate Coupling Agent 0.7 part, article number; The mixed solvent 13 parts (mixture that xylogen and butyl glycol ether add water, part by weight is 3:1:10), (sericite in powder and bromide fire retardant add the mixture of antimonous oxide to fire retardant material 5 parts, part by weight is 10:2:1), the N-Methyl pyrrolidone solution of anti-settling agent modified polyurea 1 part, gets the raw materials ready.
Production method, per kilogram N hydroxymethyl acrylamide adds the dissolve with ethanol of the volumetric concentration 50-70% of 2 kilograms by weight, then mix with base polyurethane prepolymer for use as in a kettle., temperature of reaction 80-150 DEG C, the titanate coupling agent through isopropanol is added, i.e. weight ratio=the 1:1 of Virahol and titanate coupling agent after 1 hour reaction times.Continue reaction 2-5 hour; Then add dibutyl phthalate, talcum powder, light calcium carbonate, tributyl phosphate, mixed solvent, fire retardant material and anti-settling agent, mix and can obtain
aqurous ployurethane anti-flaming dopeproduct.
Embodiment 3
First be the talcum powder 8 parts of TL75-45-98GB, light calcium carbonate (median size d=1 ~ 5 μm micro mist calcium carbonate) 10 parts, tributyl phosphate 0.3 part, Virahol 1 part by weight by base polyurethane prepolymer for use as 50 parts, N hydroxymethyl acrylamide 2 parts, dibutyl phthalate 5 parts, monoalkoxy Pyrophosphate Type Yitanate Coupling Agent 1 part, article number; Mixed solvent 15 parts (mixture that xylogen and butyl glycol ether add water, part by weight is 3:1:10), (sericite in powder and bromide fire retardant add the mixture of antimonous oxide to fire retardant material 8 parts, part by weight is 10:2:1), antifreezing agent 1,3-PD 1 part, red iron oxide 1 part, gets the raw materials ready.
Production method, per kilogram N hydroxymethyl acrylamide adds the dissolve with ethanol of the volumetric concentration 50-70% of 2 kilograms by weight, then mix with base polyurethane prepolymer for use as in a kettle., temperature of reaction 80-150 DEG C, the titanate coupling agent through isopropanol is added, i.e. weight ratio=the 1:1 of Virahol and titanate coupling agent after 1 hour reaction times.Continue reaction 2-5 hour; Then add dibutyl phthalate, talcum powder, light calcium carbonate, tributyl phosphate, mixed solvent, fire retardant material, antifreezing agent and red iron oxide, mix and can obtain
aqurous ployurethane anti-flaming dopeproduct.
embodiment of the present invention coating and Conventional insulation feature contrast:
All technical detected result of the present invention reaches GB/T9757-2001 and JG/T235-2008 standard rating, for ease of reference, lists in
following table.
Claims (9)
1. an aqurous ployurethane anti-flaming dope, is characterized in that: make the raw material that this coating comprises following parts by weight:
Base polyurethane prepolymer for use as 40 ~ 50 parts;
N hydroxymethyl acrylamide 1 ~ 2 part;
Dibutyl phthalate 2 ~ 5 parts;
Titanate coupling agent 0.5 ~ 1 part;
Talcum powder 3 ~ 8 parts;
Light calcium carbonate 3 ~ 10 parts;
Tributyl phosphate 0.1 ~ 0.3 part;
Virahol 0.5 ~ 1 part;
Mixed solvent 10 ~ 15 parts;
Fire retardant material 3 ~ 8 parts;
Described base polyurethane prepolymer for use as is the performed polymer with NCO end group, and molecular weight is between 4000-10000;
Described mixed solvent is xylogen+butyl glycol ether+water, and part by weight is followed successively by 3:1:10.
2. aqurous ployurethane anti-flaming dope according to claim 1, is characterized in that: described titanate coupling agent is monoalkoxy Pyrophosphate Type Yitanate Coupling Agent.
3. aqurous ployurethane anti-flaming dope according to claim 1, is characterized in that: described talcum powder is whiteness 75%, and fineness 45um percent of pass is the paint-grade talc powder of 98%.
4. aqurous ployurethane anti-flaming dope according to claim 1, is characterized in that: described light calcium carbonate is the micro mist calcium carbonate of original median size d=1 ~ 5 μm.
5. aqurous ployurethane anti-flaming dope according to claim 1, is characterized in that: described fire retardant material is sericite in powder+bromide fire retardant+antimonous oxide, and part by weight is followed successively by 10:2:1.
6. aqurous ployurethane anti-flaming dope according to claim 1, is characterized in that: its preparation method comprises the following steps:
Per kilogram N hydroxymethyl acrylamide adds the dissolve with ethanol of the volumetric concentration 50-70% of 2 kilograms by weight, then mix with base polyurethane prepolymer for use as in a kettle., temperature of reaction 80-150 DEG C, the titanate coupling agent through isopropanol is added, i.e. weight ratio=the 1:1 of Virahol and titanate coupling agent after 1 hour reaction times; Continue reaction 2-5 hour; Then add dibutyl phthalate, talcum powder, light calcium carbonate, tributyl phosphate, mixed solvent and fire retardant material, mix and can obtain aqurous ployurethane anti-flaming dope product.
7. aqurous ployurethane anti-flaming dope according to claim 1, is characterized in that: described coating also comprises: one or more in flow agent, antifreezing agent and anti-settling agent, and parts by weight are 1-5; Described flow agent is polyacrylate solution; Described antifreezing agent is 1,3-PD; Described anti-settling agent is the N-Methyl pyrrolidone solution of modified polyurea.
8. aqurous ployurethane anti-flaming dope according to claim 1, is characterized in that: described coating also adds colorant further.
9. aqurous ployurethane anti-flaming dope according to claim 1, is characterized in that: this coating is coated with the application be covered with at common wall, roofing, steel framed structure, hull or petroleum storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510143469.5A CN104804605A (en) | 2015-03-30 | 2015-03-30 | Water-soluble flame-retardant polyurethane coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510143469.5A CN104804605A (en) | 2015-03-30 | 2015-03-30 | Water-soluble flame-retardant polyurethane coating and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104804605A true CN104804605A (en) | 2015-07-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106010190A (en) * | 2016-06-30 | 2016-10-12 | 刘世超 | Antistatic flame-retardant polyurethane painting and preparation method thereof |
| CN107652864A (en) * | 2016-07-25 | 2018-02-02 | 苏州科技大学 | Timber structure protective coating |
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| CN102443310A (en) * | 2011-09-16 | 2012-05-09 | 新疆红山涂料有限公司 | Coating for interior wall to eliminate brushmarks and increase smoothness |
| CN102746784A (en) * | 2012-07-30 | 2012-10-24 | 江苏瑞丰科技实业有限公司 | Energy-saving insulated flame-retardant water-proof corrosion-proof functional coating and preparation method thereof |
| CN102775901A (en) * | 2012-07-20 | 2012-11-14 | 江苏科技大学 | Light-cured plasticized coating composition and preparation method thereof |
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| CN102443310A (en) * | 2011-09-16 | 2012-05-09 | 新疆红山涂料有限公司 | Coating for interior wall to eliminate brushmarks and increase smoothness |
| CN102775901A (en) * | 2012-07-20 | 2012-11-14 | 江苏科技大学 | Light-cured plasticized coating composition and preparation method thereof |
| CN102746784A (en) * | 2012-07-30 | 2012-10-24 | 江苏瑞丰科技实业有限公司 | Energy-saving insulated flame-retardant water-proof corrosion-proof functional coating and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106010190A (en) * | 2016-06-30 | 2016-10-12 | 刘世超 | Antistatic flame-retardant polyurethane painting and preparation method thereof |
| CN107652864A (en) * | 2016-07-25 | 2018-02-02 | 苏州科技大学 | Timber structure protective coating |
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Application publication date: 20150729 |