CN106883717A - It is a kind of can multiple tracks recoating the acrylic acid aqueous finishing varnish of polyester modification and preparation method - Google Patents
It is a kind of can multiple tracks recoating the acrylic acid aqueous finishing varnish of polyester modification and preparation method Download PDFInfo
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- CN106883717A CN106883717A CN201710233052.7A CN201710233052A CN106883717A CN 106883717 A CN106883717 A CN 106883717A CN 201710233052 A CN201710233052 A CN 201710233052A CN 106883717 A CN106883717 A CN 106883717A
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
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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
- C08F283/01—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to unsaturated polyesters
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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
- 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
- C09D7/65—Additives macromolecular
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Abstract
The invention discloses it is a kind of can multiple tracks recoating the acrylic acid aqueous finishing varnish of polyester modification and preparation method thereof, it includes the following component matched by constant weight number：Polyester modification acrylic resin, amino resins, aqueous wetting agent, aqueous levelling agent, water-based thickener, deionized water.The preparation method is that regulation pH value to 8.0 ~ 8.5 adds deionized water after mixing polyester modification acrylic resin, amino resins；After stirring, aqueous wetting agent, aqueous levelling agent and water-based thickener are added, after being reacted, filtering and discharging obtains the acrylic acid aqueous Lacquer finish coating compositions of the polyester modification.The present invention uses polyester modification acrylic resin, together with acrylic ester monomer be polymerized polyester resin by the double bond of unsaturated polyester (UP) by profit, so as to reach acrylic resin modified effect, improve the fragility of acrylic resin with the pliability of polyester resin, allow that this finishing varnish reaches the >=recoatability of 6 times, the coating is water paint, is prepared and using safe and environment-friendly.
Description
Technical field
The invention belongs to water paint and preparation method field, be related to it is a kind of can multiple tracks recoating polyester modification propylene sour water
Property one-component finishing varnish and preparation method.
Background technology
Water paint is that the advantage with environmental protection and safety allows many as solvent or the coating of decentralized medium with water
Coatings enterprises pay close attention to and put into substantial amounts of manpower and financial resources to substitute the market position of oil paint, and people can enjoy earlier
The healthy living of low-carbon green.But many coated articles occur that adhesive force substantially drops due to being coated with flaw after recoating more than 2 times
Low, film occurs peeling off, it is necessary to depainting spraying again, causes obvious material and manpower waste, either water paint still
All there is this in oil paint.
So be badly in need of develop it is a can multiple tracks recoating the acrylic acid aqueous one-component finishing varnish of polyester modification, realize application
Unqualified part repeatedly direct spraying repairing can improve coating, it is not necessary to application again after depainting, reduce artificial and material cost.
The content of the invention
The present invention in view of the shortcomings of the prior art, there is provided it is a kind of can multiple tracks recoating the acrylic acid aqueous one-component of polyester modification
Finishing varnish and preparation method thereof, product appearance smooth of the present invention, good leveling property, with preferably mechanical performance, hardness is
2H, impact strength is 50Kg.cm, and adhesive force is 0 grade, with very excellent weather resistance, through the aging examinations of QUV in 3000 hours
Test, gloss loss≤5%, Δ E≤1.0, for coating recoats number of times >=6 time the characteristics of most prominent.
To achieve these goals, technical scheme is as follows：
It is a kind of can multiple tracks recoating the acrylic acid aqueous Lacquer finish coating compositions of polyester modification, it include counting by weight such as the following group
Point：
Polyester modification acrylic resin：25 ~ 45 parts；
Amino resins：8 ~ 14 parts；
Aqueous wetting agent：0.5 ~ 0.8 part；
Aqueous levelling agent：0.6 ~ 1.0 part；
Water-based thickener：0.2 ~ 0.4 part；
Deionized water：37.2 ~ 64.5 parts.
Preferably, the polyester modification acrylic resin includes the following component counted by weight：
Ethylene glycol monobutyl ether：8 ~ 16 parts；
N-butanol：12 ~ 20 parts；
Unsaturated polyester (UP)：14 ~ 20 parts；
Methacrylic acid：4 ~ 8 parts；
Hydroxyethyl methacrylate：6 ~ 10 parts；
Methyl methacrylate：14 ~ 18 parts；
Isooctyl acrylate monomer：10 ~ 14 parts；
Benzoyl peroxide：3 ~ 5 parts；
Propylene glycol monomethyl ether：5 ~ 13 parts.
Preferably, the preparation method of the polyester modification acrylic resin comprises the following steps：
By unsaturated polyester (UP), methacrylic acid, hydroxyethyl methacrylate, methyl methacrylate, Isooctyl acrylate monomer, part
Benzoyl peroxide is well mixed to obtain mixed liquor A, stand-by, meanwhile, propylene glycol monomethyl ether and remaining benzoyl peroxide are mixed
Conjunction uniformly obtains mixed liquid B, stand-by；
After ethylene glycol monobutyl ether, n-butanol are mixed, in blanket of nitrogen, in mixed liquor A is added dropwise at 110 DEG C, it is added dropwise after reaction mixed
Liquid B is closed, is reacted at being warming up to 120 DEG C, obtain polyester modification acrylic resin.
Preferably, the amino resins is selected from amino resins, the amino resins and Gao Ya of methyl-etherified of butyl ether
At least one in amino resins.
Preferably, the aqueous wetting agent is high by 4200 selected from commercially available Silco Wet 065, BYK-348 or enlightening
In any one.
Preferably, the aqueous levelling agent is selected from appointing in commercially available enlightening high by 370, BYK-333 or moral modest 810
Meaning is a kind of.
Preferably, the water-based thickener is selected from commercially available modest WT-102 of BYK 425, moral or first wound A300
Any one.
It is a kind of as the aforementioned can multiple tracks recoating the acrylic acid aqueous Lacquer finish coating compositions of polyester modification preparation method, its bag
Include following steps：
After polyester modification acrylic resin, amino resins are mixed, regulation pH value to 8.0-8.5 adds deionized water；
After stirring, aqueous wetting agent, aqueous levelling agent and water-based thickener are added, after being reacted at 25 ~ 40 DEG C, filtered out
Material, obtains the acrylic acid aqueous Lacquer finish coating compositions of the polyester modification.
The beneficial effects are mainly as follows：
Using polyester modification acrylic resin, profit is by the double bond of unsaturated polyester (UP) by polyester resin and acrylic ester monomer one
Polymerization is played, so as to reach acrylic resin modified effect, the fragility of acrylic resin is improved with the pliability of polyester resin, made
This finishing varnish can reach >=the recoatability of 6 times, the coating is water paint, is prepared and using safe and environment-friendly；Appearance of coat
Smooth, good leveling property, with preferably mechanical performance, hardness is 2H, and impact strength is 50Kg.cm, and adhesive force is 0 grade,
With very excellent weather resistance, through 3000 hours QUV degradations, gloss loss≤5%, Δ E≤1.0, the characteristics of most prominent
For coating recoats number of times >=6 time, realizing the unqualified part of application repeatedly direct spraying repairing can improve coating, it is not necessary to depainting
Again application afterwards, reduces artificial and material cost.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to those skilled in the art
The present invention is further understood, but the invention is not limited in any way.It should be pointed out that to one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to guarantor of the invention
Shield scope.
Embodiment 1
1) the polyester modification acrylic resin formula：
8 parts of ethylene glycol monobutyl ether
12 parts of n-butanol
20 parts of unsaturated polyester (UP)
8 parts of methacrylic acid
10 parts of hydroxyethyl methacrylate
18 parts of methyl methacrylate
14 parts of Isooctyl acrylate monomer
5 parts of benzoyl peroxide
5 parts of propylene glycol monomethyl ether
By formula ratio by unsaturated polyester (UP), methacrylic acid, hydroxyethyl methacrylate, methyl methacrylate, acrylic acid is different
Monooctyl ester and 3/4ths benzoyl peroxide are well mixed stand-by, referred to as mixed liquor a；By formula ratio by the peroxide of a quarter
Change benzoyl and propylene glycol monomethyl ether is well mixed stand-by, referred to as mixed liquor b.By formula ratio by ethylene glycol monobutyl ether, n-butanol
Add in the reaction vessel with agitator and condenser pipe, lead to nitrogen, be warmed up to 110 DEG C, start that mixed liquor a is added dropwise, drip within 4 hours
Insulation 1 hour after complete, is then added dropwise mixed liquor b, and half an hour drips off, and is then warmed up to 120 DEG C and is incubated 2 hours, then cools to
45 DEG C, with bottom discharge, obtain described polyester modification acrylic resin.
2) the waterborne clear finish formula：
25 parts of polyester modification acrylic resin
8 parts of butylated amino resin
1 part of diethanol amine
065 0.5 parts of Silco Wet
Enlightening is high 370 0.6 parts
425 0.4 parts of BYK
64.5 parts of deionized water
Stirring mixes for 30 minutes during polyester modification acrylic resin and butylated amino resin are added into reaction vessel by formula ratio
Uniformly, it is subsequently adding nertralizer diethanol amine to stir 30 minutes, then deionized water is disposably added stir 30 in reaction vessel
Minute, aqueous wetting agent Silco Wet 065, aqueous levelling agent enlightening high 370 and water-based thickener BYK 425 are subsequently adding, stir
Mix 2 hours, whole preparation process reaction vessel temperature control is at 25-40 DEG C.Discharged using filter screen filtration, obtain described water
Property one-component finishing varnish.
Embodiment 2
1）The polyester modification acrylic resin formula：
12 parts of ethylene glycol monobutyl ether
16 parts of n-butanol
17 parts of unsaturated polyester (UP)
6 parts of methacrylic acid
8 parts of hydroxyethyl methacrylate
16 parts of methyl methacrylate
12 parts of Isooctyl acrylate monomer
4 parts of benzoyl peroxide
9 parts of propylene glycol monomethyl ether
By formula ratio by unsaturated polyester (UP), methacrylic acid, hydroxyethyl methacrylate, methyl methacrylate, acrylic acid is different
Monooctyl ester and 3/4ths benzoyl peroxide are well mixed stand-by, referred to as mixed liquor a；By formula ratio by the peroxide of a quarter
Change benzoyl and propylene glycol monomethyl ether is well mixed stand-by, referred to as mixed liquor b.By formula ratio by ethylene glycol monobutyl ether, n-butanol
Add in the reaction vessel with agitator and condenser pipe, lead to nitrogen, be warmed up to 110 DEG C, start that mixed liquor a is added dropwise, drip within 4 hours
Insulation 1 hour after complete, is then added dropwise mixed liquor b, and half an hour drips off, and is then warmed up to 120 DEG C and is incubated 2 hours, then cools to
45 DEG C, with bottom discharge, obtain described polyester modification acrylic resin.
2) the waterborne clear finish formula：
35 parts of polyester modification acrylic resin
11 parts of Amino resin
1.4 parts of triethylamine
0.65 part of BYK-348
0.8 part of BYK-333
0.3 part of the modest WT-102 of moral
50.85 parts of deionized water
Stirring mixes for 30 minutes during polyester modification acrylic resin and Amino resin are added into reaction vessel by formula ratio
Uniformly, it is subsequently adding nertralizer triethylamine to stir 30 minutes, then deionized water is disposably added 30 points of stirring in reaction vessel
Clock, is subsequently adding aqueous wetting agent BYK-348, aqueous levelling agent BYK-333 and the modest WT-102 of water-based thickener moral, and stirring 2 is small
When, whole preparation process reaction vessel temperature control is at 25-40 DEG C.Discharged using filter screen filtration, obtain described aqueous list
Component finishing varnish.
Embodiment 3
1）The polyester modification acrylic resin formula：
16 parts of ethylene glycol monobutyl ether
20 parts of n-butanol
14 parts of unsaturated polyester (UP)
4 parts of methacrylic acid
6 parts of hydroxyethyl methacrylate
14 parts of methyl methacrylate
10 parts of Isooctyl acrylate monomer
3 parts of benzoyl peroxide
13 parts of propylene glycol monomethyl ether
By formula ratio by unsaturated polyester (UP), methacrylic acid, hydroxyethyl methacrylate, methyl methacrylate, acrylic acid is different
Monooctyl ester and 3/4ths benzoyl peroxide are well mixed stand-by, referred to as mixed liquor a；By formula ratio by the peroxide of a quarter
Change benzoyl and propylene glycol monomethyl ether is well mixed stand-by, referred to as mixed liquor b.By formula ratio by ethylene glycol monobutyl ether, n-butanol
Add in the reaction vessel with agitator and condenser pipe, lead to nitrogen, be warmed up to 110 DEG C, start that mixed liquor a is added dropwise, drip within 4 hours
Insulation 1 hour after complete, is then added dropwise mixed liquor b, and half an hour drips off, and is then warmed up to 120 DEG C and is incubated 2 hours, then cools to
45 DEG C, with bottom discharge, obtain described polyester modification acrylic resin.
2) the waterborne clear finish formula：
35 parts of polyester modification acrylic resin
11 parts of imino group resin high
1.4 parts of N, N- dimethylethanolamine
Enlightening is high 4,200 0.65 parts
Modest 810 0.8 parts of moral
First create 0.3 part of A300
50.85 parts of deionized water
Stirring mixing in 30 minutes is equal during polyester modification acrylic resin and imino group resin high are added into reaction vessel by formula ratio
It is even, it is subsequently adding nertralizer N, N- dimethylethanolamine and stirs 30 minutes, then deionized water disposably adds reaction vessel
Stirring 30 minutes, is subsequently adding aqueous wetting agent enlightening high by 4200, aqueous levelling agent moral modest 810 and water-based thickener moral is modest first creates
A300, stirs 2 hours, and whole preparation process reaction vessel temperature control is at 25-40 DEG C.Discharged using filter screen filtration, obtained
Described aqueous one-component finishing varnish.
By obtained in above-described embodiment 1-3 can multiple tracks recoating the acrylic acid aqueous one-component finishing varnish system of polyester modification
Board test, sheet material is phosphatization plate, using the gloomy coating of great power（Shanghai）The ability cathode electrophoresis OHT-800 products of Co., Ltd, electrophoretic paint
Thickness is 15-20um, and solidification temperature is 160 DEG C/20 minutes, then sprays the gloomy coating of great power（Shanghai）The aqueous face of Co., Ltd
Paint WP-2000 products, thickness is 20-25um, and solidification temperature is 140 DEG C/20min, and the aqueous cover in embodiment is then sprayed again
Lac varnish, thickness is 20-25um, and solidification temperature is 140 DEG C/20min.
Obtained in embodiment 1-3 can the acrylic acid aqueous one-component finishing varnish of polyester modification of multiple tracks recoating prepare the master of model
Want technical indicator such as following table：
Thus the present invention it is obtained can multiple tracks recoating the acrylic acid aqueous one-component finishing varnish of polyester modification appearance of coat it is smooth
Light, good leveling property, with preferably mechanical performance, hardness is 2H, and impact strength is 50Kg.cm, and adhesive force is 0 grade, is had
Very excellent weather resistance, through 3000 hours QUV degradations, gloss loss≤5%, Δ E≤1.0 are painting the characteristics of most prominent
Layer recoating number of times >=6 time.
In sum, only presently preferred embodiments of the present invention, not for limiting the scope of present invention implementation, it is all according to
Impartial change carried out by shape, construction, feature and spirit and modification described in scope of the invention as claimed, all should be included in this
In the right of invention.
Claims (8)
1. it is a kind of can multiple tracks recoating the acrylic acid aqueous Lacquer finish coating compositions of polyester modification, it is characterised in that including by weight
The following component of number meter：
Polyester modification acrylic resin：25 ~ 45 parts；
Amino resins：8 ~ 14 parts；
Aqueous wetting agent：0.5 ~ 0.8 part；
Aqueous levelling agent：0.6 ~ 1.0 part；
Water-based thickener：0.2 ~ 0.4 part；
Deionized water：37.2 ~ 64.5 parts.
2. as claimed in claim 1 can multiple tracks recoating the acrylic acid aqueous Lacquer finish coating compositions of polyester modification, it is characterised in that
The polyester modification acrylic resin includes the following component counted by weight：
Ethylene glycol monobutyl ether：8 ~ 16 parts；
N-butanol：12 ~ 20 parts；
Unsaturated polyester (UP)：14 ~ 20 parts；
Methacrylic acid：4 ~ 8 parts；
Hydroxyethyl methacrylate：6 ~ 10 parts；
Methyl methacrylate：14 ~ 18 parts；
Isooctyl acrylate monomer：10 ~ 14 parts；
Benzoyl peroxide：3 ~ 5 parts；
Propylene glycol monomethyl ether：5 ~ 13 parts.
3. as claimed in claim 1 or 2 can multiple tracks recoating the acrylic acid aqueous Lacquer finish coating compositions of polyester modification, its feature exists
In the preparation method of the polyester modification acrylic resin comprises the following steps：
By unsaturated polyester (UP), methacrylic acid, hydroxyethyl methacrylate, methyl methacrylate, Isooctyl acrylate monomer, part
Benzoyl peroxide is well mixed to obtain mixed liquor A, stand-by, meanwhile, propylene glycol monomethyl ether and remaining benzoyl peroxide are mixed
Conjunction uniformly obtains mixed liquid B, stand-by；
After ethylene glycol monobutyl ether, n-butanol are mixed, in blanket of nitrogen, in mixed liquor A is added dropwise at 110 DEG C, it is added dropwise after reaction mixed
Liquid B is closed, is reacted at being warming up to 120 DEG C, obtain polyester modification acrylic resin.
4. as claimed in claim 1 can multiple tracks recoating the acrylic acid aqueous Lacquer finish coating compositions of polyester modification, it is characterised in that
The amino resins is selected from least one in the amino resins of butyl ether, the amino resins of methyl-etherified and imino group resin high.
5. as claimed in claim 1 can multiple tracks recoating the acrylic acid aqueous Lacquer finish coating compositions of polyester modification, it is characterised in that
The aqueous wetting agent is selected from any one in commercially available Silco Wet 065, BYK-348 or enlightening high 4200.
6. as claimed in claim 1 can multiple tracks recoating the acrylic acid aqueous Lacquer finish coating compositions of polyester modification, it is characterised in that
The aqueous levelling agent is selected from any one in commercially available enlightening high by 370, BYK-333 or moral modest 810.
7. as claimed in claim 1 can multiple tracks recoating the acrylic acid aqueous Lacquer finish coating compositions of polyester modification, it is characterised in that
The water-based thickener is selected from any one in commercially available modest WT-102 of BYK 425, moral or first wound A300.
8. as claimed in claim 1 can multiple tracks recoating the acrylic acid aqueous Lacquer finish coating compositions of polyester modification preparation method,
It is characterised in that it includes following steps：
After polyester modification acrylic resin, amino resins are mixed, regulation pH value to 8.0 ~ 8.5 adds deionized water；
After stirring, aqueous wetting agent, aqueous levelling agent and water-based thickener are added, after being reacted at 25 ~ 40 DEG C, filtered out
Material, obtains the acrylic acid aqueous Lacquer finish coating compositions of the polyester modification.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108795185A (en) * | 2018-07-13 | 2018-11-13 | 安徽康瑞高科新材料技术工程有限公司 | A kind of two-component coating varnish |
| CN108929599A (en) * | 2018-08-15 | 2018-12-04 | 湖北绿新环保包装科技有限公司 | A kind of environment-friendly water-based mill base with the sun-proof degree of superelevation |
| CN108997864A (en) * | 2018-08-01 | 2018-12-14 | 河北晨阳工贸集团有限公司 | A kind of aqueous light industry coating and preparation method thereof |
| CN109535909A (en) * | 2018-10-30 | 2019-03-29 | 河北晨阳工贸集团有限公司 | Aqueous anti-settling metallic paint and preparation method thereof |
| CN109627875A (en) * | 2018-11-29 | 2019-04-16 | 河北晨阳工贸集团有限公司 | A kind of reflective heat-insulation paint and preparation method thereof |
| CN112552821A (en) * | 2020-12-07 | 2021-03-26 | 王志文 | Anticorrosive bactericidal waterproof coating |
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| CN115895358A (en) * | 2021-12-10 | 2023-04-04 | 江苏科祥防腐材料有限公司 | Water-based surface layer material for electric tricycle and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108795185A (en) * | 2018-07-13 | 2018-11-13 | 安徽康瑞高科新材料技术工程有限公司 | A kind of two-component coating varnish |
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| CN109627875A (en) * | 2018-11-29 | 2019-04-16 | 河北晨阳工贸集团有限公司 | A kind of reflective heat-insulation paint and preparation method thereof |
| CN112552821A (en) * | 2020-12-07 | 2021-03-26 | 王志文 | Anticorrosive bactericidal waterproof coating |
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Application publication date: 20170623 |