CN106047164A - Environment-friendly flame retardant insulating paint and preparation method thereof - Google Patents
Environment-friendly flame retardant insulating paint and preparation method thereof Download PDFInfo
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- CN106047164A CN106047164A CN201610504313.XA CN201610504313A CN106047164A CN 106047164 A CN106047164 A CN 106047164A CN 201610504313 A CN201610504313 A CN 201610504313A CN 106047164 A CN106047164 A CN 106047164A
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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
- C09D187/00—Coating compositions based on unspecified macromolecular compounds, obtained otherwise than by polymerisation reactions only involving unsaturated carbon-to-carbon bonds
- C09D187/005—Block or graft polymers not provided for in groups C09D101/00 - C09D185/04
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
- C08G18/348—Hydroxycarboxylic acids
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- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
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- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/62—Polymers of compounds having carbon-to-carbon double bonds
- C08G18/6216—Polymers of alpha-beta ethylenically unsaturated carboxylic acids or of derivatives thereof
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- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
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- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/24—Electrically-conducting paints
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- 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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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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Abstract
The invention provides environment-friendly flame retardant insulating paint and a preparation method thereof. The paint is prepared from the following components: organosilicon modified epoxy resin, acrylic modified polyurethane resin, silicon nitride, calcium carbonate, nano silicon carbide, nano magnesium oxide, magnesium oxide, carboxymethyl cellulose, a titanate coupling agent, flame retardant filling, acetone, talcum powder, bentonite, a cosolvent, a dispersant, a leveling agent and de-ionized water. The paint adopts the organosilicon modified epoxy resin matched with the acrylic modified polyurethane resin, so the paint has good gloss, good antistatic effect and better mechanical properties, ageing resistance and wear resistance; addition of the nano silicon carbide, flame retardant filling and nano magnesium oxide can effectively improve the oxidation resistance and flame retardant ability of the paint; moreover, the paint has the advantages of low price, environment protection, strong adhesion, good ductility, high temperature resistance and long service life; and roller coating is substituted for spray coating during application, so that the production environment is effectively improved and physical health of workers is benefited.
Description
Technical field
The present invention relates to a kind of environmental protection flame retardant coatings and preparation method thereof.
Background technology
Coating, at the entitled paint of Chinese tradition.So-called coating is to be coated in be protected or decorated body surface, and
Can be with the continuous film of coated article formation firm attachment, it is common that based on resin or oil or emulsion, add or without face
Material, filler, add corresponding additive, with the formulated thick liquid of organic solvent or water.More authoritative " being coated with of China's coating circle
Material technique " book is defined such that " coating is a kind of material, and this material can be coated in thing by different construction technologies
Part surface, formation adheres to firmly, has some strength, continuous print solid film.The film common name film so formed, also known as paint film
Or coating.”
The compound of some toxic effects is often touched, these compound meetings during people's routine use coating
Environmental and human health impacts is caused certain toxic action.
And coatings has the coating of good electrical insulation.There is good electrical property, hot property, mechanical performance and chemistry
Performance.It mostly is varnish, also coloured enamel.
Coatings is divided into less than 600 DEG C solvent-borne types of heatproof and 600-1700 DEG C of aqueous two kinds.This coating can be coated
Thing surface forms one layer and has higher volume resistivity, can bear strong electric and the most breakdown ceramic coating.This coating has
There are higher mechanical strength and good chemical stability, can be ageing-resistant, water-fast, resistance to chemical attack；The most also there is mechanical resistant
Impact and thermal shock resistance properties, this coating can lower work continuously in corresponding operating temperature.
Along with coatings industrial expansion, some organic insulation coating can not meet the environmental protection of people, many
Functionalization and the theory of premium properties, and the development of ceramic insulation coating opens the progress to high-new paint field and research,
Meet people further for promoting the vision of coating property.
For coatings, the most domestic it is primarily present following patent documentation:
Patent publication No.: CN104341828A, discloses a kind of coatings, and described coating is by the raw material of following component
Composition: cobalt naphthenate 1.5 parts, 6 parts of butanol, linoleic acid 38 parts, ethanedioic acid polyester 26 parts.The present invention produces beneficial effect: this
Bright coatings, it is possible to meet the deficiency of general coatings, the making raw material of coating is simple, and coating possesses the merit of insulation
Can, raw material production low cost.But, the coating that this patent is provided, composition is simple, and insulating properties can only meet general requirement,
Higher insulating requirements cannot be met.
Additionally, the application mode of existing coating uses spraying mostly, spraying is by spray gun or dish-style nebulizer, by means of
Pressure or centrifugal force, be dispersed into uniform and fine droplet, is applied over the coating process on coated article surface.Mainly asking in spraying
Topic is the coating cloud of high degree of dispersion and the solvent (i.e. volatile organic contaminant, VOCs) evaporated, and had both polluted environment, and had been unfavorable for
Health, wastes again coating, causes economic loss.Volatilization, the coating being diffused in air, then form volatility organic contamination
Thing, is detrimental to health.At painting workshop, coating as the main source of volatile organic contaminant, air in painting workshop
Be easy to during middle VOC excessive concentration to cause acute poisoning, the lighter there will be headache, dizziness, cough, feel sick,
Vomit or in dead drunk liquor-saturated shape；Severe one there will be liver poisoning and the most quickly goes into a coma, and have there may also be life danger.Stay in for a long time and wave
Send out in the painting workshop of property orgnic compound pollution, can cause chronic poisoning, infringement liver and nervous system, cause whole body without
Power, drowsiness, skin pruritus etc..
Summary of the invention
For solving the problem of above-mentioned existence, it is an object of the invention to provide a kind of environmental protection flame retardant coatings and preparation thereof
Method, described coating uses modifying epoxy resin by organosilicon and acrylic acid modified polyurethane resin complex, modified asphalt mixtures modified by epoxy resin
Fat and polyurethane resin so that coating have good glossiness, good antistatic effect, preferable mechanical property, resistance to always
Change performance and anti-wear performance, add nanometer silicon carbide, fire-retardant filler, nano magnesia, can effectively promote coating antioxidant and resistance
Combustion ability, but also there is price and environment-friendly advantage, adhesive force is strong, ductility good, high temperature resistant, service life is long, adopts during coating
Replacing spraying with roller coat, be effectively improved production environment, beneficially workman is healthy.
For reaching above-mentioned purpose, the technical solution used in the present invention is:
A kind of environmental protection flame retardant coatings, described coating includes the composition of following weight portion: modifying epoxy resin by organosilicon:
30～40 parts, acrylic acid modified polyurethane resin: 15～25 parts, silicon nitride: 5～10 parts, calcium carbonate: 5～10 parts, nano silicon carbide
Silicon: 10～15 parts, nano magnesia: 5～10 parts, magnesium oxide: 1～5 part, carboxymethyl cellulose: 5～10 parts, titanate esters coupling
Agent: 1～5 part, fire-retardant filler: 5～10 parts, acetone: 10～20 parts, Pulvis Talci: 1～5 part, bentonite: 1～5 part, cosolvent: 1
～5 parts, dispersant: 1～5 part, levelling agent: 1～5 part, deionized water: 30～40 parts.
Further, described coating includes the composition of following weight portion: modifying epoxy resin by organosilicon: 35～40 parts, propylene
Acid modified polyurethane resin: 15～20 parts, silicon nitride: 6～10 parts, calcium carbonate: 7～10 parts, nanometer silicon carbide: 10～13 parts,
Nano magnesia: 5～8 parts, magnesium oxide: 1～3 part, carboxymethyl cellulose: 5～9 parts, titanate coupling agent: 1～4 part, fire-retardant
Filler: 7～10 parts, acetone: 10～15 parts, Pulvis Talci: 3～5 parts, bentonite: 1～3 part, cosolvent: 2～5 parts, dispersant: 3
～5 parts, levelling agent: 1～4 part, deionized water: 35～40 parts.
Preferably, described coating includes the composition of following weight portion: modifying epoxy resin by organosilicon: 35 parts, acrylic acid changes
Property polyurethane resin: 20 parts, silicon nitride: 7 parts, calcium carbonate: 8 parts, nanometer silicon carbide: 12 parts, nano magnesia: 7 parts, oxidation
Magnesium: 2 parts, carboxymethyl cellulose: 7 parts, titanate coupling agent: 3 parts, fire-retardant filler: 8 parts, acetone: 13 parts, Pulvis Talci: 4 parts, swollen
Profit soil: 2 parts, cosolvent: 3 parts, dispersant: 4 parts, levelling agent: 2 parts, deionized water: 35 parts.
Separately, the preparation method of described modifying epoxy resin by organosilicon comprises the steps: the amino of 20～30 weight portions
The bisphenol A epoxide resin of silicone oil and 15～25 weight portions is dissolved in 30～40 pbw acetone, with 200～300r/min turn
Speed stirring 20～30min, is warming up to 110～130 DEG C, reacts 2～3h, and after reaction terminates, acetone is removed in decompression distillation, then will
Modified resin and the diaminourea-hexichol-methane blended to 5～10 weight portions, the rotating speed with 100～200r/min stir 10～
20min, is dried, is cooled to room temperature, obtains described modifying epoxy resin by organosilicon.
Separately having, the preparation method of described acrylic acid modified polyurethane resin comprises the steps:
1) acrylic polymer is prepared
Extracting container, adds 20～30 weight portion butyl acetates and the mixture of 10～20 parts by weight of xylene, stirring, heats up
To 130～140 DEG C, with the speed of 5～10ml/min, drip in container by 10～20 parts by weight of acrylic acid N-butyls, 15～
25 parts by weight propylene acetoacetic esters, 20～30 methyl methacrylate, 5～10 styrene, 1～5 weight of weight portion of weight portion
The mixed liquor that the initiator of part and 1～5 weight portion chain-transferring agents are mixed to form, drips off in 1～2, is cooled to 100～110 DEG C, enters
Row copolyreaction, obtains described acrylic polymer；
2) acrylic acid modified polyurethane resin is prepared
Take 10～20 weight portion isophorone diisocyanate, add in reaction vessel, with the speed of 10～15ml/min
In container, drip 10～15 weight portion Polyethylene Glycol and the calcium oxide of 1～5 weight portions, after dropping, be warming up to 40～50
DEG C, react 1～2h, be warming up to 70～80 DEG C, add the dihydromethyl propionic acid of 5～10 weight portions, react 3～4h, be cooled to 30
～40 DEG C, the speed with 5～10ml/min drips the triethanolamine of 10～20 weight portions, and drips with the speed of 5～10ml/min
Add step 1) acrylic polymer of gained 20～30 weight portion, stirring, it is cooled to room temperature, obtains described acrylic acid modified polyurethane
Resin.
Again, described cosolvent is acetamide, alcohols or alcohol ether organic solvent.
Further, described dispersant to be fatty glyceride, fatty acid Pyrusussuriensis smooth, one in Polysorbate.
And, described fire-retardant filler is the one in expanded perlite, expanded vermiculite, hollow glass micropearl, meerschaum.
Separately, described levelling agent is fluorin modified crylic acid levelling agent or phosphate modified acrylic acid levelling agent.
Meanwhile, the present invention also provides for the preparation method of a kind of environmental protection flame retardant coatings, comprises the steps: have described
Machine silicon modified epoxy resin, acrylic acid modified polyurethane resin, cosolvent, titanate coupling agent, levelling agent, dispersant and 15～
20 parts of deionized waters add in blender, and the rotating speed with 900～1000r/min stirs 10～15min, adds calcium carbonate, nanometer
Carborundum, nano magnesia, silicon nitride, magnesium oxide, carboxymethyl cellulose, fire-retardant filler, acetone, Pulvis Talci, bentonite and surplus
Remaining deionized water, is promoted to 1200～1500r/min by rotating speed, stirs 30～40min, obtains described environmental protection flame retardant coatings.
The beneficial effects of the present invention is:
Described coating uses modifying epoxy resin by organosilicon and acrylic acid modified polyurethane resin complex, modified epoxy
Resin and polyurethane resin so that coating has good glossiness, good antistatic effect, preferable mechanical property, resistance to
Ageing properties and anti-wear performance, add nanometer silicon carbide, fire-retardant filler, nano magnesia, can effectively promote coating antioxidant and
Fire retardancy, but also there is price and environment-friendly advantage, adhesive force is strong, ductility good, high temperature resistant, service life is long, during coating
Using roller coat to replace spraying, be effectively improved production environment, beneficially workman is healthy.The roller coating technology generation that roller coat molding is quick-drying
For spraying coating process, during application, the availability of plastic paint can reach more than 90%, decreases the volatilization in air and waste, effectively drops
The low VOCs causing plastic paint volatilization to be formed because of spraying, VOCs discharge capacity≤420ppm in roller coat workshop, environment protecting is good.Can have
Effect electromagnetic wave absorption, eliminates radiation hazradial bundle, and adsorbable formaldehyde, purifies air, reduce formaldehyde in air content.Theoretical covering
Rate: 8-12m2/ kg (film thickness=20 micron)；Conductive effect :≤0.025 ohm/cm2(many 20 microns of film thickness), film
Thick: 20～25 microns (ASTM D4138-94).
Detailed description of the invention
Below by specific embodiment, the present invention is described further, but embodiment is not limiting as the protection of the present invention
Scope.
A kind of environmental protection flame retardant coatings provided by the present invention, described coating includes the composition of following weight portion: organic
Silicon modified epoxy resin: 30～40 parts, acrylic acid modified polyurethane resin: 15～25 parts, silicon nitride: 5～10 parts, calcium carbonate: 5
～10 parts, nanometer silicon carbide: 10～15 parts, nano magnesia: 5～10 parts, magnesium oxide: 1～5 part, carboxymethyl cellulose: 5～
10 parts, titanate coupling agent: 1～5 part, fire-retardant filler: 5～10 parts, acetone: 10～20 parts, Pulvis Talci: 1～5 part, bentonite:
1～5 part, cosolvent: 1～5 part, dispersant: 1～5 part, levelling agent: 1～5 part, deionized water: 30～40 parts.
Further, described coating includes the composition of following weight portion: modifying epoxy resin by organosilicon: 35～40 parts, propylene
Acid modified polyurethane resin: 15～20 parts, silicon nitride: 6～10 parts, calcium carbonate: 7～10 parts, nanometer silicon carbide: 10～13 parts,
Nano magnesia: 5～8 parts, magnesium oxide: 1～3 part, carboxymethyl cellulose: 5～9 parts, titanate coupling agent: 1～4 part, fire-retardant
Filler: 7～10 parts, acetone: 10～15 parts, Pulvis Talci: 3～5 parts, bentonite: 1～3 part, cosolvent: 2～5 parts, dispersant: 3
～5 parts, levelling agent: 1～4 part, deionized water: 35～40 parts.
Preferably, described coating includes the composition of following weight portion: modifying epoxy resin by organosilicon: 35 parts, acrylic acid changes
Property polyurethane resin: 20 parts, silicon nitride: 7 parts, calcium carbonate: 8 parts, nanometer silicon carbide: 12 parts, nano magnesia: 7 parts, oxidation
Magnesium: 2 parts, carboxymethyl cellulose: 7 parts, titanate coupling agent: 3 parts, fire-retardant filler: 8 parts, acetone: 13 parts, Pulvis Talci: 4 parts, swollen
Profit soil: 2 parts, cosolvent: 3 parts, dispersant: 4 parts, levelling agent: 2 parts, deionized water: 35 parts.
Separately, the preparation method of described modifying epoxy resin by organosilicon comprises the steps: the amino of 20～30 weight portions
The bisphenol A epoxide resin of silicone oil and 15～25 weight portions is dissolved in 30～40 pbw acetone, with 200～300r/min turn
Speed stirring 20～30min, is warming up to 110～130 DEG C, reacts 2～3h, and after reaction terminates, acetone is removed in decompression distillation, then will
Modified resin and the diaminourea-hexichol-methane blended to 5～10 weight portions, the rotating speed with 100～200r/min stir 10～
20min, is dried, is cooled to room temperature, obtains described modifying epoxy resin by organosilicon.
Separately having, the preparation method of described acrylic acid modified polyurethane resin comprises the steps:
1) acrylic polymer is prepared
Extracting container, adds 20～30 weight portion butyl acetates and the mixture of 10～20 parts by weight of xylene, stirring, heats up
To 130～140 DEG C, with the speed of 5～10ml/min, drip in container by 10～20 parts by weight of acrylic acid N-butyls, 15～
25 parts by weight propylene acetoacetic esters, 20～30 methyl methacrylate, 5～10 styrene, 1～5 weight of weight portion of weight portion
The mixed liquor that the initiator of part and 1～5 weight portion chain-transferring agents are mixed to form, drips off in 1～2, is cooled to 100～110 DEG C, enters
Row copolyreaction, obtains described acrylic polymer；
2) acrylic acid modified polyurethane resin is prepared
Take 10～20 weight portion isophorone diisocyanate, add in reaction vessel, with the speed of 10～15ml/min
In container, drip 10～15 weight portion Polyethylene Glycol and the calcium oxide of 1～5 weight portions, after dropping, be warming up to 40～50
DEG C, react 1～2h, be warming up to 70～80 DEG C, add the dihydromethyl propionic acid of 5～10 weight portions, react 3～4h, be cooled to 30
～40 DEG C, the speed with 5～10ml/min drips the triethanolamine of 10～20 weight portions, and drips with the speed of 5～10ml/min
Add step 1) acrylic polymer of gained 20～30 weight portion, stirring, it is cooled to room temperature, obtains described acrylic acid modified polyurethane
Resin.
Again, described cosolvent is acetamide, alcohols or alcohol ether organic solvent.
Further, described dispersant to be fatty glyceride, fatty acid Pyrusussuriensis smooth, one in Polysorbate.
And, described fire-retardant filler is the one in expanded perlite, expanded vermiculite, hollow glass micropearl, meerschaum.
Separately, described levelling agent is fluorin modified crylic acid levelling agent or phosphate modified acrylic acid levelling agent.
Meanwhile, the present invention also provides for the preparation method of a kind of environmental protection flame retardant coatings, comprises the steps: have described
Machine silicon modified epoxy resin, acrylic acid modified polyurethane resin, cosolvent, titanate coupling agent, levelling agent, dispersant and 15～
20 parts of deionized waters add in blender, and the rotating speed with 900～1000r/min stirs 10～15min, adds calcium carbonate, nanometer
Carborundum, nano magnesia, silicon nitride, magnesium oxide, carboxymethyl cellulose, fire-retardant filler, acetone, Pulvis Talci, bentonite and surplus
Remaining deionized water, is promoted to 1200～1500r/min by rotating speed, stirs 30～40min, obtains described environmental protection flame retardant coatings.
Wherein, table 1 is environmental protection flame retardant coatings ingredient lists a kind of described in various embodiments of the present invention.Table 2 is the present invention
The ingredient lists of modifying epoxy resin by organosilicon in a kind of environmental protection flame retardant coatings described in each embodiment.Table 3 is that the present invention is each
The ingredient lists of acrylic acid modified polyurethane resin in a kind of environmental protection flame retardant coatings described in embodiment.
Table 1 (unit: weight portion)
Table 2 (unit: weight is divided)
Table 3 (unit: weight is divided)
Environmental protection flame retardant coatings a kind of described in the embodiment of the present invention is coated by roll coating model, solidifies at 200 DEG C
After, it is cooled to room temperature, places 48 hours, wherein, impact resistance method of testing is with reference to standard GB/T/T1732-93 regulation
The method measuring paint film impact resistance, falls within the weight of fixed mass (1kg) and does not cause paint film to destroy on test plate (panel)
Big height (cm) represents paint film impact resistance, up to 70～80cm.
Using a kind of environmental protection flame retardant coatings provided by the present invention, the curved performance of T is up to 1T.Under 230 DEG C of high temperature not
Cracking, invariant color, ageing resistance is strong, is placed on outdoor consecutive sunlight 10～not yellowing, invariant color in 15 years.Acidproof corrosion-resistant energy
Power is strong, the product that roller coat is good is put into 85 DEG C of water and boils that 2H is raw is progressively heated at 100 DEG C again, product without variable color, fall paint, bubble.
At normal temperatures with after Nad solution soaking 24H of 5%, product surface non-corroding, variable color and coating come off.Pure cotton cloth is dipped in full
95% ethanol wraps on 500g counterweight, wipes 50 with the stroke of the speed of 40-60 time per minute (20mm) left and right at product surface
Individual circulation, without fading removing oil.Gained coating film pencil hardness is up to 4～5H.Fire resistance is up to V0 level.
It should be noted that above example is only in order to illustrate technical scheme and unrestricted.Although with reference to relatively
The present invention has been described in detail by good embodiment, it will be understood by those within the art that, can be to the technology of invention
Scheme is modified or equivalent, and without deviating from the scope of technical solution of the present invention, it all should contain the power in the present invention
In profit claimed range.
Claims (10)
1. an environmental protection flame retardant coatings, it is characterised in that described coating includes the composition of following weight portion:
Modifying epoxy resin by organosilicon: 30 ~ 40 parts, acrylic acid modified polyurethane resin: 15 ~ 25 parts, silicon nitride: 5 ~ 10 parts, carbon
Acid calcium: 5 ~ 10 parts, nanometer silicon carbide: 10 ~ 15 parts, nano magnesia: 5 ~ 10 parts, magnesium oxide: 1 ~ 5 part, carboxymethyl cellulose: 5 ~
10 parts, titanate coupling agent: 1 ~ 5 part, fire-retardant filler: 5 ~ 10 parts, acetone: 10 ~ 20 parts, Pulvis Talci: 1 ~ 5 part, bentonite: 1 ~ 5
Part, cosolvent: 1 ~ 5 part, dispersant: 1 ~ 5 part, levelling agent: 1 ~ 5 part, deionized water: 30 ~ 40 parts.
Environmental protection flame retardant coatings the most according to claim 1, it is characterised in that described coating includes following weight portion
Composition: modifying epoxy resin by organosilicon: 35 ~ 40 parts, acrylic acid modified polyurethane resin: 15 ~ 20 parts, silicon nitride: 6 ~ 10 parts, carbon
Acid calcium: 7 ~ 10 parts, nanometer silicon carbide: 10 ~ 13 parts, nano magnesia: 5 ~ 8 parts, magnesium oxide: 1 ~ 3 part, carboxymethyl cellulose: 5 ~ 9
Part, titanate coupling agent: 1 ~ 4 part, fire-retardant filler: 7 ~ 10 parts, acetone: 10 ~ 15 parts, Pulvis Talci: 3 ~ 5 parts, bentonite: 1 ~ 3 part,
Cosolvent: 2 ~ 5 parts, dispersant: 3 ~ 5 parts, levelling agent: 1 ~ 4 part, deionized water: 35 ~ 40 parts.
Environmental protection flame retardant coatings the most according to claim 1, it is characterised in that described coating includes following weight portion
Composition: modifying epoxy resin by organosilicon: 35 parts, acrylic acid modified polyurethane resin: 20 parts, silicon nitride: 7 parts, calcium carbonate: 8 parts,
Nanometer silicon carbide: 12 parts, nano magnesia: 7 parts, magnesium oxide: 2 parts, carboxymethyl cellulose: 7 parts, titanate coupling agent: 3 parts,
Fire-retardant filler: 8 parts, acetone: 13 parts, Pulvis Talci: 4 parts, bentonite: 2 parts, cosolvent: 3 parts, dispersant: 4 parts, levelling agent: 2
Part, deionized water: 35 parts.
Environmental protection flame retardant coatings the most according to claim 1, it is characterised in that described modifying epoxy resin by organosilicon
Preparation method comprises the steps: to dissolve the amido silicon oil of 20 ~ 30 weight portions and the bisphenol A epoxide resin of 15 ~ 25 weight portions
In 30 ~ 40 pbw acetone, stir 20 ~ 30min with the rotating speed of 200 ~ 300r/min, be warming up to 110 ~ 130 DEG C, reaction 2 ~
3h, after reaction terminates, acetone is removed in decompression distillation, then by modified resin and the diaminourea-hexichol-methane to 5 ~ 10 weight portions
Mixing, stirs 10 ~ 20min with the rotating speed of 100 ~ 200r/min, is dried, is cooled to room temperature, obtains described silicon-modified epoxy tree
Fat.
Environmental protection flame retardant coatings the most according to claim 1, it is characterised in that described acrylic acid modified polyurethane resin
Preparation method comprise the steps:
1) acrylic polymer is prepared
Extracting container, adds 20 ~ 30 weight portion butyl acetates and the mixture of 10 ~ 20 parts by weight of xylene, stirring, it is warming up to 130 ~
140 DEG C, with the speed of 5 ~ 10ml/min, drip in container by 10 ~ 20 parts by weight of acrylic acid N-butyls, 15 ~ 25 weight portions third
Olefin(e) acid ethyl ester, the methyl methacrylate of 20 ~ 30 weight portions, the styrene of 5 ~ 10 weight portions, the initiator of 1 ~ 5 weight portion and 1 ~
The mixed liquor that 5 weight portion chain-transferring agents are mixed to form, drips off in 1 ~ 2, is cooled to 100 ~ 110 DEG C, carries out copolyreaction, obtains described
Acrylic polymer；
2) acrylic acid modified polyurethane resin is prepared
Take 10 ~ 20 weight portion isophorone diisocyanate, add in reaction vessel, with the speed of 10 ~ 15ml/min to container
Interior dropping 10 ~ 15 weight portion Polyethylene Glycol and the calcium oxide of 1 ~ 5 weight portion, be warming up to 40 ~ 50 DEG C after dropping, reaction 1 ~
2h, is warming up to 70 ~ 80 DEG C, adds the dihydromethyl propionic acid of 5 ~ 10 weight portions, reacts 3 ~ 4h, is cooled to 30 ~ 40 DEG C, with 5 ~
The triethanolamine of speed dropping 10 ~ 20 weight portions of 10ml/min, and drip step 1 with the speed of 5 ~ 10ml/min) gained 20 ~
The acrylic polymer of 30 weight portions, stirring, it is cooled to room temperature, obtains described acrylic acid modified polyurethane resin.
Environmental protection flame retardant coatings the most according to claim 1, it is characterised in that described cosolvent is acetamide, alcohols
Or alcohol ether organic solvent.
Environmental protection flame retardant coatings the most according to claim 1, it is characterised in that described dispersant is fatty acid glycerine
Ester, fatty acid Pyrusussuriensis are smooth, one in Polysorbate.
Environmental protection flame retardant coatings the most according to claim 1, it is characterised in that described fire-retardant filler is expanded pearlite
One in rock, expanded vermiculite, hollow glass micropearl, meerschaum.
Environmental protection flame retardant coatings the most according to claim 1, it is characterised in that described levelling agent is fluorin modified crylic acid
Levelling agent or phosphate modified acrylic acid levelling agent.
10., according to a preparation method for the environmental protection flame retardant coatings according to any one of claim 1 ~ 9, its feature exists
In, comprise the steps: by described modifying epoxy resin by organosilicon, acrylic acid modified polyurethane resin, cosolvent, titanate esters occasionally
Connection agent, levelling agent, dispersant and 15 ~ 20 parts of deionized waters add in blenders, with the rotating speed of 900 ~ 1000r/min stir 10 ~
15min, add calcium carbonate, nanometer silicon carbide, nano magnesia, silicon nitride, magnesium oxide, carboxymethyl cellulose, fire-retardant filler, third
Ketone, Pulvis Talci, bentonite and residue deionized water, be promoted to rotating speed 1200 ~ 1500r/min, stir 30 ~ 40min, obtains described
Environmental protection flame retardant coatings.
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| CN106700874A (en) * | 2016-12-01 | 2017-05-24 | 芜湖浩权建筑工程有限公司 | Environment-friendly flame-retardant building insulation paint and preparation method thereof |
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