CN110437700A - A kind of water-base epoxy lacquer and its preparation method and application - Google Patents
A kind of water-base epoxy lacquer and its preparation method and application Download PDFInfo
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- CN110437700A CN110437700A CN201910695557.4A CN201910695557A CN110437700A CN 110437700 A CN110437700 A CN 110437700A CN 201910695557 A CN201910695557 A CN 201910695557A CN 110437700 A CN110437700 A CN 110437700A
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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
- C08F283/10—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers containing more than one epoxy radical per molecule
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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
- 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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Abstract
The present invention provides a kind of water-base epoxy lacquer, including following components, the content of each component is expressed as follows with weight ratio: deionized water 6-15 parts by weight；Thickener 0.01-0.05 parts by weight；Cellulose 0.05-0.2 parts by weight；Defoaming agent 0.05-0.2 parts by weight；Multifunctional assistant 0.01-0.1 parts by weight；Coalescing agent 0.4-0.6 parts by weight；Waterborne epoxy modified acrylic ester lotion 10-20 parts by weight；Natural colour sand 60-80 parts by weight.The water-base epoxy lacquer not only has the characteristics that fire prevention, waterproof, acid and alkali-resistance, cohesive force are strong；And easy to use, aqueous, environmental protective, and cost is well below other high-end lacquer lotions.
Description
Technical field
The present invention relates to technical field of coatings, and in particular to a kind of water-base epoxy lacquer and its preparation method and application.
Background technique
Lacquer is the coating that a kind of decorative effect exactly likes marble, granite.The main natural stone for using various colors
Powder is formulated, the imitation stone effect applied to external wall.
Building after lacquer finishing has natural true natural colour, gives graceful, harmonious, serious beauty
Sense, is suitable for the indoor and outdoor decoration of all kinds of buildings.Especially decorated on curved-surface building object, it is vivid, there is a kind of recurrence
Natural effect.Lacquer has fire prevention, waterproof, acid and alkali-resistance, anti-pollution.It is nontoxic, tasteless, bonding force is strong, will never fade equal spies
Point, can effectively stop extraneous adverse circumstances to building corrode, extend the service life of building, due to lacquer have it is good
Adhesive force and freeze-thaw resistance property, therefore be suitble to use in cold district.
Currently on the market, high-end lacquer can achieve said effect, but it uses pure-acrylic emulsion or silicone acrylic emulsion,
Cost is considerably increased, market application is few；And low side lacquer is using styrene-acrylic emulsion either building glue class, cost is
It reduces, but is far from the requirment in its performance.Therefore, be badly in need of developing one kind have excellent performance, low-cost lacquer, with full
The sufficient market demand.
Summary of the invention
Present invention seek to address that above-mentioned problem, provides a kind of water-base epoxy lacquer, not only there is fire prevention, waterproof, resistance to
The features such as soda acid, strong cohesive force；And easy to use, aqueous, environmental protective, and cost is well below other high-end lacquer creams
Liquid.
According to an aspect of the present invention, a kind of water-base epoxy lacquer, including following components are provided, each component
Content is expressed as follows with weight ratio:
Wherein, the waterborne epoxy modified acrylic ester lotion includes following components, and the content of each component is with weight
Than being expressed as follows:
Wherein, the waterborne epoxy modified acrylic ester lotion the preparation method comprises the following steps:
1S: 1/3~1/2 monomer to be polymerize --- styrene, acrylicacidandesters, organosilicon are added in the first flask
Monomer and cross-linking monomer, stir and be added epoxy resin be uniformly mixed, obtain the first mixture；
2S: being added the deionized water and emulsifier of dosage 20%-30% in the second flask, and the remaining desire is added in stirring
The monomer of polymerization is emulsified, and the second mixture is obtained；
3S: first mixture being added in second mixture and is emulsified, and it is spare that third mixture is obtained after emulsification；
4S: being added the deionized water of 55%-65% in third flask, and emulsifier and initiator is added, stirs evenly, so
After be warming up to the first predetermined temperature, obtain the 4th mixture；
5S: the third mixture was added in the 4th mixture in 2-3 hours, and control temperature is pre- first
Determine temperature, keeps the temperature -60 minutes 30 minutes；
6S: being cooled to the second predetermined temperature, and initiator is added and eliminates the monomer not reacted completely；Then chain terminating agent is added
Elimination reaction, and pH value is adjusted, it filters, obtains the waterborne epoxy modified acrylic ester lotion.
Wherein,
First predetermined temperature is 80-90 DEG C；
Second predetermined temperature is 65-75 DEG C；
The pH value is 6-10.
Wherein,
First predetermined temperature is 83-87 DEG C；
Second predetermined temperature is 68-72 DEG C；
The pH value is 8-9.
Wherein,
The emulsifier is alkyl phenol polyoxyethylene ether ammonium sulfate, sulfosuccinic acid ethoxy ethanol monoester disodium salt, anti-
Answer one of type emulsifier PAM-200, lauryl sodium sulfate, Rhodia cops-1, Rhodia cops-2, Rhodia js-2
Or it is several；
The initiator is persulfate, benzoyl peroxide class, azodiisobutyronitrile, n,N-Dimethylaniline, winestone
One or more of acid, mercaptan, bisulfites；
The organic silicon monomer is methacryloxypropyl trimethoxy silane, vinyltrimethoxysilane；
The acrylicacidandesters are acrylic acid, methyl acrylate, ethyl acrylate, butyl acrylate, methacrylic acid
One or more of methyl esters, acrylic acid-2-ethyl ester, acrylic acid -2- hydroxy ester, acrylamide；
The epoxy resin is one or more of E44, E51；
The cross-linking monomer is one or more of Diacetone Acrylamide, oxalyl dihydrazide；
The terminator be one of sodium dimethyl dithiocarbamate, sodium polysulfide, sodium nitrite, sodium formaldehyde sulfoxylate or
It is several.
Wherein, further include following components, the content of each component is expressed as follows with weight ratio:
Ethylene glycol 0-2 parts by weight；
Monobutyl ether 0-0.4 parts by weight；
Fungicide 0.05-0.2 parts by weight.
Wherein,
The thickener is one or both of SAE60, TT-935；
The cellulose is one or more of hydroxymethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose；
The defoaming agent is waterborne organic silicon defoaming agent；
The multifunctional assistant is AMP-95；
The coalescing agent is alcohol ester 12；
The fungicide is chlormethylisothiazo,ine ketone.
Water-base epoxy lacquer of the invention, is indicated with weight ratio, including deionized water 6-15 parts by weight, thickener
0.01-0.05 parts by weight；Cellulose 0.05-0.2 parts by weight, defoaming agent 0.05-0.2 parts by weight, multifunctional assistant 0.01-0.1
Parts by weight, coalescing agent 0.4-0.6 parts by weight, waterborne epoxy modified acrylic ester lotion 10-20 parts by weight, natural colour sand 60-
80 parts by weight.
Wherein, one or both of thickener SAE60, TT-935；Cellulose is hydroxymethyl cellulose, ethoxy fibre
One or more of dimension element, hydroxypropyl cellulose；Defoaming agent is waterborne organic silicon defoaming agent；Multifunctional assistant is AMP-95；
Coalescing agent is alcohol ester 12；Fungicide is chlormethylisothiazo,ine ketone.
Cellulose is mainly used for thickening, water conservation, can significantly improve workability and effect, is effectively reduced cost,
The effects of adhesive force of coating can be improved, improve coating application viscosity and rheological characteristic, improve paint film hand feel.Thickener can be with: 1.
It prevents coating from precipitating, agglomerating caused by pigment sedimentation during storage, improves " the can opening effect " of coating.2. prevent coating
Sagging occurs.3. improving brush application.4. increasing film thickness, fullness is improved.5. preventing from permeating to porous substrate.Production and
In use process, product is easy to produce bubble；After generating bubble, influences appearance, production operation and uses rear paint film appearance,
Need to be added a certain amount of defoaming agent.Multifunctional assistant AMP-95 in the present invention is other than it can improve coating property, also
Cost can be substantially reduced, because the other amines of required amount ratio of multifunctional assistant AMP-95 are much lower；Not only possess dispersion, increase
The excellent function such as thick, adjusting pH value, non-discolouring, and it is also equipped with antimicrobial (sterilization) characteristic, while also can be reduced VOC and (waving
Hair property organic compound) total amount, help to promote environmental-protecting performance.Coalescing agent alcohol ester can improve the filming performance of paint, reduce
Minimum film formation temperature, the color developing for improving scrub performance, improving paint.Chlormethylisothiazo,ine ketone can sterilize, and prevent from going mouldy.
The present invention determines the consumption proportion of each component by many experiments, on a low-cost basis, while guaranteeing that the coating of product is each
A correlated performance, such as can opening effect, application property performance.
Wherein, waterborne epoxy modified acrylic ester lotion includes following components, is expressed as with weight ratio: deionized water
39-45 parts by weight, emulsifier 0.25-10 parts by weight, initiator 0.1-4 parts by weight, styrene 0-50 parts by weight, organic silicon monomer
0-8 parts by weight, acrylicacidandesters 25-50 parts by weight, epoxy resin 1-10 parts by weight, cross-linking monomer 0.2-5 parts by weight terminate
Agent 0.05-0.1 parts by weight.
Condition for peace is wanted for different polymerizations, emulsifier is alkyl phenol polyoxyethylene ether ammonium sulfate, sulfosuccinic acid ethoxy
Base ethyl alcohol monoester disodium salt, reactive emulsifier PAM-200, lauryl sodium sulfate, Rhodia cops-1, Rhodia cops-
2, one or more of Rhodia js-2；Initiator is persulfate, benzoyl peroxide class, azodiisobutyronitrile, N, N-
One or more of dimethylaniline, tartaric acid, mercaptan, bisulfites；Organic silicon monomer is methacryloxy third
Base trimethoxy silane, vinyltrimethoxysilane；Acrylicacidandesters be acrylic acid, methyl acrylate, ethyl acrylate,
One of butyl acrylate, methyl methacrylate, acrylic acid-2-ethyl ester, acrylic acid -2- hydroxy ester, acrylamide or
It is several；Epoxy resin is one or more of E44, E51；Cross-linking monomer is Diacetone Acrylamide, one in oxalyl dihydrazide
Kind is several；Terminator is one of sodium dimethyl dithiocarbamate, sodium polysulfide, sodium nitrite, sodium formaldehyde sulfoxylate or several
Kind.
The waterborne epoxy modified acrylic ester lotion is emulsion polymerization way production, and emulsifier is in order to which polymerized monomer exists
Evenly dispersed formation micelle, polymerization reaction carry out in micelle in water phase；Initiator is required in emulsion polymerization, conducive to monomer shape
Polymerization reaction occurs at free radical；Styrene, organic silicon monomer, acrylicacidandesters, epoxy resin, cross-linking monomer are poly-
The reaction monomers for closing reaction occur polymerization reaction in lotion and form long-chain resin；Terminator is eliminated at the end of polymerization reaction
Free radical in lotion prevents deuterogenesis's polymerization reaction.Above each ingredient and dosage selection are commented by the experiment of many experiments room
Valence and the optimal proportion obtained, can the optimal polymer of forming properties.
Waterborne epoxy modified acrylic ester lotion the preparation method comprises the following steps:
1S: 1/3~1/2 monomer to be polymerize --- styrene, acrylicacidandesters, organosilicon are added in the first flask
Monomer and cross-linking monomer, stir and be added epoxy resin be uniformly mixed, obtain the first mixture；
2S: being added the deionized water and emulsifier of dosage 20%-30% in the second flask, and the remaining desire is added in stirring
The monomer of polymerization is emulsified, and the second mixture is obtained；
3S: first mixture is slowly added to emulsify in second mixture, and it is standby that third mixture is obtained after emulsification
With；
4S: being added the deionized water of 55%-65% in third flask, and emulsifier and initiator is added, stirs evenly, so
After be warming up to the first predetermined temperature, obtain the 4th mixture；
5S: the third mixture was added in the 4th mixture in 2-3 hours, and control temperature is pre- first
Determine temperature, keeps the temperature -60 minutes 30 minutes；
6S: being cooled to the second predetermined temperature, and initiator is added and eliminates the monomer not reacted completely；Then chain terminating agent is added
Elimination reaction, and pH value is adjusted, it filters, obtains the waterborne epoxy modified acrylic ester lotion.
Wherein, the first predetermined temperature is 80-90 DEG C, and the second predetermined temperature is 65-75 DEG C, pH value 6-10；Preferably,
One predetermined temperature is 83-87 DEG C, and the second predetermined temperature is 68-72 DEG C, pH value 8-9.
Further, the water-base epoxy lacquer, further includes ethylene glycol 0-2 parts by weight, and monobutyl ether 0-0.4 parts by weight are killed
Microbial inoculum 0.05-0.2 parts by weight.
According to another aspect of the present invention, a kind of preparation method of water-base epoxy lacquer is provided, comprising the following steps:
1S: deionized water is added in container, starts stirring, and 1000 revs/min -1200 revs/min of mixing speed；
2S: cellulose is added in the container, is uniformly dispersed；
3S: adding the other components in addition to aqueous epoxy modification acrylate lotion, is dispersed with stirring uniformly；
4S: reducing mixing speed to 600 revs/min -800 revs/min, and waterborne epoxy modified acrylic ester lotion, stirring is added
Uniformly；
5S: natural colour sand is added, stirs evenly, the water-base epoxy lacquer is made.
According to the third aspect of the present invention, above-mentioned water-base epoxy lacquer is provided in building, metal, wood decoration
On application.
Water-base epoxy lacquer of the invention is mainly used on the decoration such as building, metal, timber, by aqueous ring when use
Oxygen lacquer is put into dedicated spray gun, is sprayed under >=6MPa compressed air.Water-base epoxy lacquer of the invention is
Ensure that high-performance again reduces its cost, plays an important role to Popularization of Enterprise Market.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with implementation of the invention
Example, is clearly and completely described technical solution of the present invention, it is clear that described embodiment is that a part of the invention is real
Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creation
Property labour under the premise of every other embodiment obtained, shall fall within the protection scope of the present invention.It should be noted that not rushing
In the case where prominent, the features in the embodiments and the embodiments of the present application can mutual any combination.
Water-base epoxy lacquer of the invention, is indicated with weight ratio, including deionized water 6-15 parts by weight, thickener
0.01-0.05 parts by weight；Cellulose 0.05-0.2 parts by weight, defoaming agent 0.05-0.2 parts by weight, multifunctional assistant 0.01-0.1
Parts by weight, ethylene glycol 0-2 parts by weight, monobutyl ether 0-0.4 parts by weight, coalescing agent 0.4-0.6 parts by weight, fungicide 0.05-0.2
Parts by weight, waterborne epoxy modified acrylic ester lotion 10-20 parts by weight, natural colour sand 60-80 parts by weight.
Wherein, one or both of thickener SAE60, TT-935；Cellulose is hydroxymethyl cellulose, ethoxy fibre
One or more of dimension element, hydroxypropyl cellulose；Defoaming agent is waterborne organic silicon defoaming agent；Multifunctional assistant is AMP-95；
Coalescing agent is alcohol ester 12；Fungicide is chlormethylisothiazo,ine ketone.
Wherein, waterborne epoxy modified acrylic ester lotion includes following components, is expressed as with weight ratio: deionized water
39-45 parts by weight, emulsifier 0.25-10 parts by weight, initiator 0.1-4 parts by weight, styrene 0-50 parts by weight, organic silicon monomer
0-8 parts by weight, acrylicacidandesters 25-50 parts by weight, epoxy resin 1-10 parts by weight, cross-linking monomer 0.2-5 parts by weight terminate
Agent 0.05-0.1 parts by weight.
Wherein, emulsifier be alkyl phenol polyoxyethylene ether ammonium sulfate, it is sulfosuccinic acid ethoxy ethanol monoester disodium salt, anti-
Answer one of type emulsifier PAM-200, lauryl sodium sulfate, Rhodia cops-1, Rhodia cops-2, Rhodia js-2
Or it is several；
Initiator is persulfate, benzoyl peroxide class, azodiisobutyronitrile, n,N-Dimethylaniline, tartaric acid, sulphur
One or more of alcohol, bisulfites；
Organic silicon monomer is methacryloxypropyl trimethoxy silane, vinyltrimethoxysilane；
Acrylicacidandesters be acrylic acid, methyl acrylate, ethyl acrylate, butyl acrylate, methyl methacrylate,
One or more of acrylic acid-2-ethyl ester, acrylic acid -2- hydroxy ester, acrylamide；
Epoxy resin is one or more of E44, E51；
Cross-linking monomer is one or more of Diacetone Acrylamide, oxalyl dihydrazide；
Terminator is one of sodium dimethyl dithiocarbamate, sodium polysulfide, sodium nitrite, sodium formaldehyde sulfoxylate or several
Kind.
Waterborne epoxy modified acrylic ester lotion the preparation method comprises the following steps:
1S: 1/3~1/2 monomer to be polymerize --- styrene, acrylicacidandesters, organosilicon are added in the first flask
Monomer and cross-linking monomer, stir and be added epoxy resin be uniformly mixed, obtain the first mixture；
2S: being added the deionized water and emulsifier of dosage 20%-30% in the second flask, and the remaining desire is added in stirring
The monomer of polymerization is emulsified, and the second mixture is obtained；
3S: first mixture is slowly added to emulsify in second mixture, and it is standby that third mixture is obtained after emulsification
With；
4S: being added the deionized water of 55%-65% in third flask, and emulsifier and initiator is added, stirs evenly, so
After be warming up to the first predetermined temperature, obtain the 4th mixture；
5S: the third mixture was added in the 4th mixture in 2-3 hours, and control temperature is pre- first
Determine temperature, keeps the temperature -60 minutes 30 minutes；
6S: being cooled to the second predetermined temperature, and initiator is added and eliminates the monomer not reacted completely；Then chain terminating agent is added
Elimination reaction, and pH value is adjusted, it filters, obtains the waterborne epoxy modified acrylic ester lotion.
Wherein, the first predetermined temperature is 80-90 DEG C, and the second predetermined temperature is 65-75 DEG C, pH value 6-10；Preferably,
One predetermined temperature is 83-87 DEG C, and the second predetermined temperature is 68-72 DEG C, pH value 8-9.
Further, the water-base epoxy lacquer further includes
The preparation method of the water-base epoxy lacquer, comprising the following steps:
1S: deionized water is added in container, starts stirring, and 1000 revs/min -1200 revs/min of mixing speed；
2S: cellulose is added in the container, is uniformly dispersed；
3S: adding the other components in addition to aqueous epoxy modification acrylate lotion, is dispersed with stirring uniformly；
4S: reducing mixing speed to 600 revs/min -800 revs/min, and waterborne epoxy modified acrylic ester lotion, stirring is added
Uniformly；
5S: natural colour sand is added, stirs evenly, the water-base epoxy lacquer is made.
The specific embodiment of water-base epoxy lacquer is listed below.
Embodiment
Embodiment 1
The present embodiment is the water-base epoxy lacquer (weight percent) containing following components:
Water-base epoxy lacquer formula:
Deionized water: 7.95g
SAE60:0.05g
Hydroxymethyl cellulose: 0.1g
Waterborne organic silicon defoaming agent: 0.1g
Multifunctional assistant: 0.08g
Ethylene glycol: 1g
Coalescing agent: 0.5g
Fungicide: 0.12g
Waterborne epoxy modified acrylic ester lotion: 15g
Natural colour sand: 75g
Wherein, waterborne epoxy modified acrylic ester emulsion formulations:
Deionized water: 45g
PAM200:0.25g
Alkyl phenol polyoxyethylene ether ammonium sulfate: 0.5g
BPO:0.1g
Styrene: 20g
A-174:0.6g
Acrylic acid: 1.5g
Butyl acrylate: 14g
Methyl methacrylate: 12.5g
E51 (epoxy resin): 5g
Diacetone Acrylamide: 0.5g
Sodium dimethyl dithiocarbamate: 0.05g
The production method of waterborne epoxy modified acrylic ester lotion of the invention:
1S: according to said ratio, 1/3~1/2 monomer to be polymerize is added in the first flask, stirs and asphalt mixtures modified by epoxy resin is added
Rouge is uniformly mixed, and obtains the first mixture；
2S: being added the deionized water and emulsifier of 20%-30% in the second flask, and stirring is added other and is intended to polymerized monomer
It is emulsified, obtains the second mixture；
3S: the first mixture is slowly added to emulsify in the second mixture, and it is spare that third mixture is obtained after emulsification；
4S: being added the deionized water of 55%-65% in third flask, and emulsifier and initiator is added, stirs evenly, and rises
Temperature obtains the 4th mixture to 83 DEG C；
5S: third mixture was added in the 4th mixture in 2-3 hours, controlled 83 DEG C of temperature, heat preservation 30
Minute；
6S: being cooled to 68 DEG C, and initiator is added and eliminates the monomer not reacted completely；Then chain terminating agent is added to eliminate instead
It answers, and adjusts pH value, filter, obtain waterborne epoxy modified acrylic ester lotion.
The method of water-base epoxy lacquer of the invention:
1S: weighing each component according to the ratio, and deionized water is added in dispersion pot, starts stirring, and 1000 turns of mixing speed/
Divide -1200 revs/min；
2S: cellulose is added in dispersion pot, is uniformly dispersed；
3S: adding the other components in addition to aqueous epoxy modification acrylate lotion, is dispersed with stirring uniformly；
4S: reducing mixing speed to 600 revs/min -800 revs/min, and waterborne epoxy modified acrylic ester lotion, stirring is added
Uniformly；
5S: being added natural colour sand, stir evenly, and water-base epoxy lacquer is made.
When spraying, according to construction requirement, the putty batch for carrying out early period is scraped, sprays protective primer, after dry, according to 3-4kg/
m2Dosage, sprayed using spray gun special, after dry.
Embodiment 2
The present embodiment is the water-base epoxy lacquer (weight percent) containing following components:
Water-base epoxy lacquer formula:
Deionized water: 10.68g
TT-935:0.03g
Hydroxyethyl cellulose: 0.15g
Waterborne organic silicon defoaming agent: 0.15g
Multifunctional assistant: 0.03g
Ethylene glycol: 0.4g
Monobutyl ether: 0.1g
Coalescing agent: 0.4g
Fungicide: 0.06g
Waterborne epoxy modified acrylic ester lotion: 10g
Natural colour sand: 78g
Wherein, waterborne epoxy modified acrylic ester emulsion formulations:
Deionized water: 39g
Lauryl sodium sulfate: 1.12g
Azodiisobutyronitrile: 0.5g
Styrene: 14g
A-171:1.5g
Acrylic acid: 15g
Ethyl acrylate: 20g
E44 (epoxy resin): 8g
Oxalyl dihydrazide: 0.8g
Sodium polysulfide: 0.08g
The production method of waterborne epoxy modified acrylic ester lotion of the invention:
1S: according to said ratio, 1/3~1/2 monomer to be polymerize is added in the first flask, stirs and asphalt mixtures modified by epoxy resin is added
Rouge is uniformly mixed, and obtains the first mixture；
2S: being added the deionized water and emulsifier of 20%-30% in the second flask, and stirring is added other and is intended to polymerized monomer
It is emulsified, obtains the second mixture；
3S: the first mixture is slowly added to emulsify in the second mixture, and it is spare that third mixture is obtained after emulsification；
4S: being added the deionized water of 55%-65% in third flask, and emulsifier and initiator is added, stirs evenly, and rises
Temperature obtains the 4th mixture to 85 DEG C；
5S: third mixture was added in the 4th mixture in 2-3 hours, controlled 85 DEG C of temperature, heat preservation 30
Minute；
6S: being cooled to 72 DEG C, and initiator is added and eliminates the monomer not reacted completely；Then chain terminating agent is added to eliminate instead
It answers, and adjusts pH value, filter, obtain waterborne epoxy modified acrylic ester lotion.
The method of water-base epoxy lacquer of the invention:
1S: weighing each component according to the ratio, and deionized water is added in dispersion pot, starts stirring, and 1000 turns of mixing speed/
Divide -1200 revs/min；
2S: cellulose is added in dispersion pot, is uniformly dispersed；
3S: adding the other components in addition to aqueous epoxy modification acrylate lotion, is dispersed with stirring uniformly；
4S: reducing mixing speed to 600 revs/min -800 revs/min, and waterborne epoxy modified acrylic ester lotion, stirring is added
Uniformly；
5S: being added natural colour sand, stir evenly, and water-base epoxy lacquer is made.
When spraying, according to construction requirement, the putty batch for carrying out early period is scraped, sprays protective primer, after dry, according to 3-4kg/
m2Dosage, sprayed using spray gun special, after dry.
Embodiment 3
The present embodiment is the water-base epoxy lacquer (weight percent) containing following components:
Water-base epoxy lacquer formula:
Deionized water: 14.72g
SAE60:0.02g
TT-935:0.03g
Hydroxypropyl cellulose: 0.2g
Waterborne organic silicon defoaming agent: 0.05g
Multifunctional assistant: 0.08g
Ethylene glycol: 0.3g
Coalescing agent: 0.4g
Fungicide: 0.2g
Waterborne epoxy modified acrylic ester lotion: 19g
Natural colour sand: 65g
Wherein, waterborne epoxy modified acrylic ester emulsion formulations:
Deionized water: 44g
Rhodia cops-1:0.25g
N,N-Dimethylaniline: 0.18g
Styrene: 18g
A-174:0.5g
Acrylic acid: 2.5g
Acrylic acid-2-ethyl ester: 14g
Acrylic acid -2- hydroxy ester: 15g
E51 (epoxy resin): 5g
Diacetone Acrylamide: 0.5g
Sodium nitrite: 0.07g
The production method of waterborne epoxy modified acrylic ester lotion of the invention:
1S: according to said ratio, 1/3~1/2 monomer to be polymerize is added in the first flask, stirs and asphalt mixtures modified by epoxy resin is added
Rouge is uniformly mixed, and obtains the first mixture；
2S: being added the deionized water and emulsifier of 20%-30% in the second flask, and stirring is added other and is intended to polymerized monomer
It is emulsified, obtains the second mixture；
3S: the first mixture is slowly added to emulsify in the second mixture, and it is spare that third mixture is obtained after emulsification；
4S: being added the deionized water of 55%-65% in third flask, and emulsifier and initiator is added, stirs evenly, and rises
Temperature obtains the 4th mixture to 80 DEG C；
5S: third mixture was added in the 4th mixture in 2-3 hours, controlled 80 DEG C of temperature, heat preservation 50
Minute；
6S: being cooled to 70 DEG C, and initiator is added and eliminates the monomer not reacted completely；Then chain terminating agent is added to eliminate instead
It answers, and adjusts pH value, filter, obtain waterborne epoxy modified acrylic ester lotion.
The method of water-base epoxy lacquer of the invention:
1S: weighing each component according to the ratio, and deionized water is added in dispersion pot, starts stirring, and 1000 turns of mixing speed/
Divide -1200 revs/min；
2S: cellulose is added in dispersion pot, is uniformly dispersed；
3S: adding the other components in addition to aqueous epoxy modification acrylate lotion, is dispersed with stirring uniformly；
4S: reducing mixing speed to 600 revs/min -800 revs/min, and waterborne epoxy modified acrylic ester lotion, stirring is added
Uniformly；
5S: being added natural colour sand, stir evenly, and water-base epoxy lacquer is made.
When spraying, according to construction requirement, the putty batch for carrying out early period is scraped, sprays protective primer, after dry, according to 3-4kg/
m2Dosage, sprayed using spray gun special, after dry.
To sum up, water-base epoxy lacquer according to the present invention, have fire prevention, waterproof, acid and alkali-resistance, cohesive force by force etc. spies
Point, easy to use, aqueous, environmental protective, cost is well below other high-end lacquer lotions.
Finally, it should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-
It is exclusive to include, so that the process, method, article or equipment comprising a series of elements not only includes those elements,
It but also including other elements that are not explicitly listed, or further include solid by this process, method, article or equipment
Some elements.In the absence of more restrictions, the element limited by sentence " including one ... ", it is not excluded that including institute
State in the process, method, article or equipment of element that there is also other identical elements.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of water-base epoxy lacquer, which is characterized in that including following components, the content of each component is indicated with weight ratio
It is as follows:
2. water-base epoxy lacquer as described in claim 1, which is characterized in that the waterborne epoxy modified acrylic ester lotion
Including following components, the content of each component is expressed as follows with weight ratio:
3. water-base epoxy lacquer as claimed in claim 2, which is characterized in that the waterborne epoxy modified acrylic ester lotion
The preparation method comprises the following steps:
1S: 1/3~1/2 monomer to be polymerize --- styrene, acrylicacidandesters, organic silicon monomer are added in the first flask
And cross-linking monomer, stir and be added epoxy resin be uniformly mixed, obtain the first mixture；
2S: being added the deionized water and emulsifier of dosage 20%-30% in the second flask, and stirring addition residue is described to be polymerize
Monomer emulsified, obtain the second mixture；
3S: first mixture being added in second mixture and is emulsified, and it is spare that third mixture is obtained after emulsification；
4S: being added the deionized water of 55%-65% in third flask, and emulsifier and initiator is added, stirs evenly, then rises
Temperature obtains the 4th mixture to the first predetermined temperature；
5S: the third mixture was added in the 4th mixture in 2-3 hours, and control temperature is in the first predetermined temperature
Degree keeps the temperature -60 minutes 30 minutes；
6S: being cooled to the second predetermined temperature, and initiator is added and eliminates the monomer not reacted completely；Then chain terminating agent is added to eliminate
Reaction, and pH value is adjusted, it filters, obtains the waterborne epoxy modified acrylic ester lotion.
4. water-base epoxy lacquer as claimed in claim 3, which is characterized in that
First predetermined temperature is 80-90 DEG C；
Second predetermined temperature is 65-75 DEG C；
The pH value is 6-10.
5. water-base epoxy lacquer as claimed in claim 4, which is characterized in that
First predetermined temperature is 83-87 DEG C；
Second predetermined temperature is 68-72 DEG C；
The pH value is 8-9.
6. water-base epoxy lacquer as claimed in claim 2, which is characterized in that
The emulsifier is alkyl phenol polyoxyethylene ether ammonium sulfate, sulfosuccinic acid ethoxy ethanol monoester disodium salt, response type
One of emulsifier PAM-200, lauryl sodium sulfate, Rhodia cops-1, Rhodia cops-2, Rhodia js-2 or several
Kind；
The initiator is persulfate, benzoyl peroxide class, azodiisobutyronitrile, n,N-Dimethylaniline, tartaric acid, sulphur
One or more of alcohol, bisulfites；
The organic silicon monomer is methacryloxypropyl trimethoxy silane, vinyltrimethoxysilane；
The acrylicacidandesters be acrylic acid, methyl acrylate, ethyl acrylate, butyl acrylate, methyl methacrylate,
One or more of acrylic acid-2-ethyl ester, acrylic acid -2- hydroxy ester, acrylamide；
The epoxy resin is one or more of E44, E51；
The cross-linking monomer is one or more of Diacetone Acrylamide, oxalyl dihydrazide；
The terminator is one of sodium dimethyl dithiocarbamate, sodium polysulfide, sodium nitrite, sodium formaldehyde sulfoxylate or several
Kind.
7. water-base epoxy lacquer as described in claim 1, which is characterized in that it further include following components, each component
Content is expressed as follows with weight ratio:
Ethylene glycol 0-2 parts by weight；
Monobutyl ether 0-0.4 parts by weight；
Fungicide 0.05-0.2 parts by weight.
8. water-base epoxy lacquer as described in claim 1, which is characterized in that
The thickener is one or both of SAE60, TT-935；
The cellulose is one or more of hydroxymethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose；
The defoaming agent is waterborne organic silicon defoaming agent；
The multifunctional assistant is AMP-95；
The coalescing agent is alcohol ester 12；
The fungicide is chlormethylisothiazo,ine ketone.
9. such as the preparation method of the described in any item water-base epoxy lacquers of claim 1-8, which is characterized in that including following step
It is rapid:
1S: deionized water is added in container, starts stirring, and 1000 revs/min -1200 revs/min of mixing speed；
2S: cellulose is added in the container, is uniformly dispersed；
3S: adding the other components in addition to aqueous epoxy modification acrylate lotion, is dispersed with stirring uniformly；
4S: mixing speed is reduced to 600 revs/min -800 revs/min, waterborne epoxy modified acrylic ester lotion is added, stirs evenly；
5S: natural colour sand is added, stirs evenly, the water-base epoxy lacquer is made.
10. application of the water-base epoxy lacquer according to claims 1-8 on building, metal, wood decoration.
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| CN111018404A (en) * | 2019-12-02 | 2020-04-17 | 安徽富瑞雪化工科技股份有限公司 | Antifouling real stone paint and preparation method thereof |
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Application publication date: 20191112 |