CN105885601A - Water-based paint coating and preparation method thereof - Google Patents
Water-based paint coating and preparation method thereof Download PDFInfo
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- CN105885601A CN105885601A CN201610109118.7A CN201610109118A CN105885601A CN 105885601 A CN105885601 A CN 105885601A CN 201610109118 A CN201610109118 A CN 201610109118A CN 105885601 A CN105885601 A CN 105885601A
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- paint coating
- aqueous
- water
- water paint
- resin
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Classifications
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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
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09D133/10—Homopolymers or copolymers of methacrylic acid esters
- C09D133/12—Homopolymers or copolymers of methyl methacrylate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a water-based paint coating and a preparation method thereof. The water-based paint coating is characterized by being prepared from, by weight, 25-45% of water-based methyl methacrylate resin, 10-15% of water-based acrylic acid isopropyl ester resin, 5-15% of waer-based butylated amino resin, 0.1-0.3% of water-based polyacrylic acid flatting agent, 5-7% of polyurethane association thickening agent, 5-10% of graining paste and deionized water. According to the water-based paint coating, various kinds of dispersing agents are adopted for wetting and dispersing pigment, the pigment particles have good stability and compatibility, the whole performance of the paint is greatly improved by the adoption of various kinds of additives, meanwhile, harm and pollution caused by volatilization of an organic solvent in the production and application process are reduced, and the production cost is effectively reduced.
Description
Technical field
The present invention relates to technical field of coatings, particularly relate to a kind of water paint coating and preparation method thereof.
Background technology
Car surface spraying coating process is always that automobile is being manufactured and produced the most link of VOC in maintenance process, and the technique improvement of this technique and the severization of discharge standard are also one of important channels improving vehicle maintenance and repair enterprise environment-friendly quality.The VOC of excess can cause the physical and mental health of automobile production manufacture and maintainer, and a large amount of VOC being directly released in air also can destroy atmospheric ozone layer, affects living environment and the ecological balance of the mankind, and therefore, the requirement to VOC emission amount is more and more tighter in the world.Such as nineteen ninety-five Germany's atmospheric pollution law just regulation, vehicle body coated surface amasss VOC emission amount and should be less than 35g/m2。
Under the strict environmental requirement limiting VOC emission amount promotes, (particularly American-European countries) greatly develops water paint in the world, the coating quality of water paint is suitable with traditional solvent-borne paint, but VOC emission amount is about 1/3rd of solvent-thinned paint, and is the unique channel realizing the low public hazards of metal flash paint.Therefore, use water paint significant.
At present, American-European auto industry developed country all achieves painting dressing automobiles Water-borne modification, the commonly used water paint of painting dressing automobiles, and automobile water-based property paint and application techniques thereof are the most ripe, but the development of domestic water paint is the slowest, the rarest open correlation technique system of Patents, technological document.
Summary of the invention
The problems referred to above existed for existing automobile water paint, now provide a kind of water paint coating and preparation method thereof, it is desirable to provide one meets the demand of automobile production spraying coating process (particularly automated production), reduces the water paint coating of the volatilization of harmful gas.
Concrete technical scheme is as follows:
A kind of water paint coating, wherein, according to parts by weight, including following components: aqueous methacrylic acid late resin 25-45%, aqueous acrylamide isopropyl propionate resin 10-15%, water solublity butylated amino resin 5-15%, aqueous polyurethane levelling agent 0.1-0.3%, polyurethane associative thickener 5-7% and deionized water.
Above-mentioned water paint coating, preferably, according to parts by weight, described coating also includes: polyether modified siloxane levelling agent 0.1-0.5%, aqueous polyurethane defoamer 0.1-0.5%, benzophenone UV-absorber 0.2-0.5%, light stabilizer 0.3-0.5%, ethylene glycol coalescents 2-4%, methyl-isothiazol ketone antibacterial 0.1-0.3%.
Above-mentioned water paint coating, preferably, described coating also includes graining paste 5-10%, according to parts by weight, described graining paste includes: watersoluble pigment 20-60%, nonionic alkyl vinyl ethers wetting agent 1-5%, sodium polyacrylate dipersant 0.3-6%, polydimethylsiloxane defoamer 0.2-0.5% and deionized water 30-90%.
Above-mentioned water paint coating, it is preferred that according to parts by weight, also includes in described graining paste: oleoyl alkylene oxide block copolymer dispersant 2-15%, Methylisothiazolinone antibacterial 0.1-0.5%.
Above-mentioned water paint coating, it is preferred that the solid content of described aqueous methacrylic acid late resin is 50-65%.
Above-mentioned water paint coating, it is preferred that the solid content of described aqueous acrylamide isopropyl propionate resin is 30-50%.
The preparation method of a kind of water paint coating, it is characterised in that comprise the steps:
1) preparation of graining paste: deionized water is added in charging tank, under the mixing speed of 500-1500 rev/min, after being sequentially added into wetting agent, ammonium salt dispersant, copolymer dispersant, defoamer, pigment, mixing speed is adjusted to linear velocity 20-40 meter per second, stirs 30-70 minute, after dispersion, it is ground to certain fineness with sand mill, after having ground, under stirring, adds antibacterial, stir, standby;
2) preparation of water paint coating: deionized water is added in charging tank, under the mixing speed of 500-1500 rev/min, add aqueous methacrylic acid late resin, aqueous acrylamide isopropyl propionate resin, aqueous butylated amino resin, after constant speed stirs, add levelling agent, defoamer, UV absorbent, light stabilizer, coalescents, after constant speed stirs, it is sequentially added into aqueous polyester resin, aqueous epoxy resins, after constant speed stirs, sequentially add and add the watersoluble pigment prepared in step 1, mixing speed is adjusted to linear velocity 25-40 meter per second, stir 30-70 minute, antibacterial is dripped at a slow speed after froth breaking, rotating speed is to 500 revs/min, stir 10-20 minute, discharging, obtain water paint coating.
The preparation method of above-mentioned water paint coating, it is preferred that in step 1, described linear velocity is 30 meter per seconds.
The preparation method of above-mentioned water paint coating, it is preferred that in step 1, described fineness is less than 15 microns.
The preparation method of above-mentioned water paint coating, it is preferred that in step 2, described linear velocity is 30 meter per seconds.
The beneficial effect of technique scheme:
The water paint coating that the present invention provides, uses multiple dispersant package that pigment is carried out wetting and dispersing so that pigment particle has good stability and compatibility, and by means of the use of various auxiliary agents, makes the overall performance of paint be greatly improved.
The water paint coating that the present invention provides, decreases and produces the harm and pollution brought with the volatilization of organic solvent in application process, and effectively reduce production cost.
Detailed description of the invention
Below example is to describe the present invention in detail, but should not be construed as limiting the invention.
Embodiment 1
A kind of water paint coating, including: aqueous methacrylic acid late resin 28%, aqueous acrylamide isopropyl propionate resin 10%, water solublity butylated amino resin 7%, aqueous polyacrylamide acid levelling agent 0.15%, polyurethane associative thickener 5%, polyether modified siloxane levelling agent 0.07%, aqueous polyurethane defoamer 0.3%, benzophenone UV-absorber 0.3%, light stabilizer 0.3%, ethylene glycol coalescents 2%, methyl-isothiazol ketone antibacterial 0.1%, graining paste 5%, deionized water 41.78%.
Wherein, according to parts by weight, graining paste includes: watersoluble pigment 30%, nonionic alkyl vinyl ethers wetting agent 2%, sodium polyacrylate dipersant 0.4%, polydimethylsiloxane defoamer 0.3%, oleoyl alkylene oxide block copolymer dispersant 5%, Methylisothiazolinone antibacterial 0.3%, deionized water 58%.
Wherein, the solid content of aqueous methacrylic acid late resin is 50%, and the solid content of aqueous acrylamide isopropyl propionate resin is 35%.
The preparation method of above-mentioned water paint coating is:
1) preparation of graining paste: deionized water is added in charging tank, under the mixing speed of 1000 revs/min, after being sequentially added into wetting agent, ammonium salt dispersant, copolymer dispersant, defoamer, pigment, mixing speed is adjusted to linear velocity 30 meter per second, stirs 60 minutes, after dispersion, it is ground to fineness being less than 15 microns with sand mill, after having ground, under stirring, adds antibacterial, stir, standby;
2) preparation of water paint coating: deionized water is added in charging tank, under the mixing speed of 1000 revs/min, by aqueous methacrylic acid late resin, aqueous acrylamide isopropyl propionate resin, aqueous butylated amino resin, after constant speed stirs, add levelling agent, defoamer, UV absorbent, light stabilizer, coalescents, after constant speed stirs, it is sequentially added into aqueous polyester resin, aqueous epoxy resins, after constant speed stirs, sequentially add and add the watersoluble pigment prepared in step 1, mixing speed is adjusted to linear velocity 30 meter per second, stir 50 minutes, antibacterial is dripped at a slow speed after froth breaking, rotating speed is to 500 revs/min, stir 10 minutes, discharging, obtain water paint coating.
Embodiment 2
A kind of water paint coating, including: aqueous methacrylic acid late resin 35%, aqueous acrylamide isopropyl propionate resin 12%, water solublity butylated amino resin 9%, aqueous polyacrylamide acid levelling agent 0.2%, polyurethane associative thickener 6%, polyether modified siloxane levelling agent 0.1%, aqueous polyurethane defoamer 0.3%, benzophenone UV-absorber 0.3%, light stabilizer 0.4%, ethylene glycol coalescents 3%, methyl-isothiazol ketone antibacterial 0.15%, graining paste 8%, deionized water 25.55%.
Wherein, according to parts by weight, graining paste includes: watersoluble pigment 45%, nonionic alkyl vinyl ethers wetting agent 3%, sodium polyacrylate dipersant 0.4%, polydimethylsiloxane defoamer 0.4%, oleoyl alkylene oxide block copolymer dispersant 7%, Methylisothiazolinone antibacterial 0.35%, deionized water 43.85%.
Wherein, the solid content of aqueous methacrylic acid late resin is 55%, and the solid content of aqueous acrylamide isopropyl propionate resin is 40%.
The preparation method of above-mentioned water paint coating is:
1) preparation of graining paste: deionized water is added in charging tank, under the mixing speed of 1300 revs/min, after being sequentially added into wetting agent, ammonium salt dispersant, copolymer dispersant, defoamer, pigment, mixing speed is adjusted to linear velocity 30 meter per second, stirs 55 minutes, after dispersion, it is ground to fineness being less than 15 microns with sand mill, after having ground, under stirring, adds antibacterial, stir, standby;
2) preparation of water paint coating: deionized water is added in charging tank, under the mixing speed of 1200 revs/min, by aqueous methacrylic acid late resin, aqueous acrylamide isopropyl propionate resin, aqueous butylated amino resin, after constant speed stirs, add levelling agent, defoamer, UV absorbent, light stabilizer, coalescents, after constant speed stirs, it is sequentially added into aqueous polyester resin, aqueous epoxy resins, after constant speed stirs, sequentially add and add the watersoluble pigment prepared in step 1, mixing speed is adjusted to linear velocity 30 meter per second, stir 45 minutes, antibacterial is dripped at a slow speed after froth breaking, rotating speed is to 500 revs/min, stir 8 minutes, discharging, obtain water paint coating.
Embodiment 3
A kind of water paint coating, including: aqueous methacrylic acid late resin 30%, aqueous acrylamide isopropyl propionate resin 13%, water solublity butylated amino resin 8%, aqueous polyacrylamide acid levelling agent 0.22%, polyurethane associative thickener 6.5%, polyether modified siloxane levelling agent 0.12%, aqueous polyurethane defoamer 0.35%, benzophenone UV-absorber 0.4%, light stabilizer 0.35%, ethylene glycol coalescents 3%, methyl-isothiazol ketone antibacterial 0.2%, graining paste 8%, deionized water 29.86%.
Wherein, according to parts by weight, graining paste includes: watersoluble pigment 50%, nonionic alkyl vinyl ethers wetting agent 3%, sodium polyacrylate dipersant 0.4%, polydimethylsiloxane defoamer 0.3%, oleoyl alkylene oxide block copolymer dispersant 4%, Methylisothiazolinone antibacterial 0.3%, deionized water 42%.
Wherein, the solid content of aqueous methacrylic acid late resin is 48%, and the solid content of aqueous acrylamide isopropyl propionate resin is 45%.
The preparation method of above-mentioned water paint coating is:
1) preparation of graining paste: deionized water is added in charging tank, under the mixing speed of 1200 revs/min, after being sequentially added into wetting agent, ammonium salt dispersant, copolymer dispersant, defoamer, pigment, mixing speed is adjusted to linear velocity 30 meter per second, stirs 65 minutes, after dispersion, it is ground to fineness being less than 15 microns with sand mill, after having ground, under stirring, adds antibacterial, stir, standby;
2) preparation of water paint coating: deionized water is added in charging tank, under the mixing speed of 1000 revs/min, by aqueous methacrylic acid late resin, aqueous acrylamide isopropyl propionate resin, aqueous butylated amino resin, after constant speed stirs, add levelling agent, defoamer, UV absorbent, light stabilizer, coalescents, after constant speed stirs, it is sequentially added into aqueous polyester resin, aqueous epoxy resins, after constant speed stirs, sequentially add and add the watersoluble pigment prepared in step 1, mixing speed is adjusted to linear velocity 30 meter per second, stir 60 minutes, antibacterial is dripped at a slow speed after froth breaking, rotating speed is to 500 revs/min, stir 15 minutes, discharging, obtain water paint coating.
Water paint coating provided by the present invention, rear projects index is as follows after testing:
These are only preferred embodiment of the present invention; not thereby embodiments of the present invention and protection domain are limited; to those skilled in the art; the equivalent done by all utilization description of the invention and the scheme obtained by obvious change should be can appreciate that, all should be included in protection scope of the present invention.
Claims (10)
1. a water paint coating, it is characterised in that according to parts by weight, including following components: aqueous methacrylic acid methyl ester tree
Fat 25-45%, aqueous acrylamide isopropyl propionate resin 10-15%, aqueous butylated amino resin 5-15%, aqueous polyacrylamide
Acid levelling agent 0.1-0.3%, polyurethane associative thickener 5-7% and deionized water.
Water paint coating the most according to claim 1, it is characterised in that according to parts by weight, also includes in described coating:
Polyether modified siloxane levelling agent 0.05-0.2%, aqueous polyurethane defoamer 0.1-0.5%, benzophenone UV-absorber
0.2-0.5%, light stabilizer 0.3-0.5%, ethylene glycol coalescents 2-4%, methyl-isothiazol ketone antibacterial 0.1-0.3%.
Water paint coating the most according to claim 2, it is characterised in that also include graining paste 5-10% in described coating, press
According to parts by weight, described graining paste includes: watersoluble pigment 20-60%, nonionic alkyl vinyl ethers wetting agent
1-5%, sodium polyacrylate dipersant 0.3-0.6%, polydimethylsiloxane defoamer 0.2-0.5% and deionized water
30-90%.
Water paint coating the most according to claim 3, it is characterised in that according to parts by weight, also includes in described graining paste:
Oleoyl alkylene oxide block copolymer dispersant 2-15%, Methylisothiazolinone antibacterial 0.1-0.5%.
Water paint coating the most according to claim 1, it is characterised in that described consolidating of aqueous methacrylic acid late resin contains
Amount is 50-65%.
Water paint coating the most according to claim 1, it is characterised in that the solid content of described aqueous acrylamide isopropyl propionate resin
For 30-50%.
7. the method for the water paint coating that one kind is prepared as described in any one in claim 1-6, it is characterised in that include as follows
Step:
1) preparation of graining paste: added by deionized water in charging tank, under the mixing speed of 500-1500 rev/min, depends on
After secondary addition wetting agent, ammonium salt dispersant, copolymer dispersant, defoamer, pigment, mixing speed is adjusted to linear velocity
20-40 meter per second, stirs 30-70 minute, after dispersion, is ground to certain fineness with sand mill, after having ground,
Add antibacterial under stirring, stir, standby;
2) preparation of water paint coating: deionized water is added in charging tank, under the mixing speed of 500-1500 rev/min,
Adding aqueous methacrylic acid late resin, aqueous acrylamide isopropyl propionate resin, aqueous butylated amino resin, constant speed stirs
After Jun Yun, add levelling agent, defoamer, UV absorbent, light stabilizer, coalescents, after constant speed stirs,
It is sequentially added into aqueous polyester resin, aqueous epoxy resins, after constant speed stirs, sequentially adds to add in step 1 and make
The standby watersoluble pigment obtained, is adjusted to mixing speed linear velocity 25-40 meter per second, stirs 30-70 minute, at a slow speed after froth breaking
Dropping antibacterial, rotating speed to 500 rev/min, stirs 10-20 minute, discharging, obtains water paint coating.
The preparation method of water paint coating the most according to claim 7, it is characterised in that in step 1, described linear velocity is
30 meter per seconds.
The preparation method of water paint coating the most according to claim 7, it is characterised in that in step 1, described fineness is 15
Below Wei meter.
The preparation method of water paint coating the most according to claim 7, it is characterised in that in step 2, described linear velocity
It is 30 meter per seconds.
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CN201610109118.7A CN105885601A (en) | 2016-02-26 | 2016-02-26 | Water-based paint coating and preparation method thereof |
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CN201610109118.7A CN105885601A (en) | 2016-02-26 | 2016-02-26 | Water-based paint coating and preparation method thereof |
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Family
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107903716A (en) * | 2017-11-27 | 2018-04-13 | 上海金狮化工有限公司 | A kind of mill base and its manufacture craft |
CN109294362A (en) * | 2018-09-11 | 2019-02-01 | 唐艺 | A kind of environment-friendly type aqueous paint vehicle and preparation method thereof |
CN112795282A (en) * | 2020-12-30 | 2021-05-14 | 万博新材料科技(南通)有限公司 | Synthetic method of ultraviolet absorbent for water-based coiled material finish paint |
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CN101104768A (en) * | 2007-04-06 | 2008-01-16 | 刘成金 | Highlight water-based automobile paint |
CN101139499A (en) * | 2007-10-29 | 2008-03-12 | 姚海军 | Aqueous automobile framework and automobile motorcycle wheel surface protection coating |
CN101845255A (en) * | 2010-03-09 | 2010-09-29 | 汉森漆业(福建)有限公司 | Water-based baking paint for glass substrate and preparation and use methods thereof |
CN102408803A (en) * | 2011-11-17 | 2012-04-11 | 广州擎天实业有限公司 | High-performance water-based paint for medium and small mechanical equipment and preparation method thereof |
CN105295629A (en) * | 2014-07-24 | 2016-02-03 | 镇江市方舟运输有限公司 | High-glossiness water-based automotive paint |
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2016
- 2016-02-26 CN CN201610109118.7A patent/CN105885601A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101104768A (en) * | 2007-04-06 | 2008-01-16 | 刘成金 | Highlight water-based automobile paint |
CN101139499A (en) * | 2007-10-29 | 2008-03-12 | 姚海军 | Aqueous automobile framework and automobile motorcycle wheel surface protection coating |
CN101845255A (en) * | 2010-03-09 | 2010-09-29 | 汉森漆业(福建)有限公司 | Water-based baking paint for glass substrate and preparation and use methods thereof |
CN102408803A (en) * | 2011-11-17 | 2012-04-11 | 广州擎天实业有限公司 | High-performance water-based paint for medium and small mechanical equipment and preparation method thereof |
CN105295629A (en) * | 2014-07-24 | 2016-02-03 | 镇江市方舟运输有限公司 | High-glossiness water-based automotive paint |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107903716A (en) * | 2017-11-27 | 2018-04-13 | 上海金狮化工有限公司 | A kind of mill base and its manufacture craft |
CN109294362A (en) * | 2018-09-11 | 2019-02-01 | 唐艺 | A kind of environment-friendly type aqueous paint vehicle and preparation method thereof |
CN112795282A (en) * | 2020-12-30 | 2021-05-14 | 万博新材料科技(南通)有限公司 | Synthetic method of ultraviolet absorbent for water-based coiled material finish paint |
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Application publication date: 20160824 |