CN106675338A - Surface hardness-improved high gloss automobile paint - Google Patents
Surface hardness-improved high gloss automobile paint Download PDFInfo
- Publication number
- CN106675338A CN106675338A CN201710058534.3A CN201710058534A CN106675338A CN 106675338 A CN106675338 A CN 106675338A CN 201710058534 A CN201710058534 A CN 201710058534A CN 106675338 A CN106675338 A CN 106675338A
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- CN
- China
- Prior art keywords
- acrylic acid
- parts
- bloom
- automobile coating
- acrylonitrile
- Prior art date
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a surface hardness-improved high gloss automobile paint, which is prepared from the following components in parts by weight: 5 to 10 parts of stearic acid, 5 to 10 parts of alumina, 20 to 30 parts of water-based epoxy resin, 40 to 50 parts of 30-40% acrylic acid-acrylonitrile-methyl acrylate crosslinked copolymer emulsion, 2 to 5 parts of dispersant, 2 to 5 parts of defoamer, 2 to 5 parts of film forming aid, 2 to 3 parts of methyl triethoxysilane, 30 to 40 parts of water, wherein the weight ratio of acrylic acid to acrylonitrile to methyl acrylate in the acrylic acid-acrylonitrile-methyl acrylate crosslinked copolymer emulsion is 10 to (1 to 2) to (1 to 2), a crosslinking agent is trimethylolpropane, and the trimethylolpropane is equivalent to 0.01% 0.05% by weight of acrylic acid. An object of the invention is to provide the surface hardness-improved high gloss automobile paint having excellent glossiness and high hardness.
Description
Technical field
The present invention relates to automobile coating field, particularly a kind of bloom automobile coating for improving case hardness.
Background technology
Automobile is exactly a kind of protecting film being sprayed on automobile, and it is one kind of coating, makes vehicle body be not easy to be corroded, automobile
Paint needs to meet following characteristic：Paint film richness is good, and gloss is high, and hardness is high, and adhesive force is good, and paint film has excellent mechanicalness
Can, there are fabulous polish retention, weatherability, wearability, with good acidproof, alkaline-resisting, ethanol-tolerant, gasoline-resistant performance etc..
Therefore automobile coating is higher than the preparation difficulty of general paint.
The gloss and hardness of automobile coating is two important indicators of automobile coating, and in the prior art, automobile coating is in order to improve
Hardness often adds nano-metal particle or metal oxides such as titanium dioxide etc., or by linear polymer
Carry out solidification crosslinking to obtain, can so improve hardness, but its glossiness can be had a certain impact.
The content of the invention
The present invention is intended to provide the bloom automobile coating for improving case hardness that a kind of glossiness is excellent, hardness is big.
Its concrete scheme is：A kind of bloom automobile coating for improving case hardness, including following parts by weight of component：
Stearic acid 5-10 parts；
Aluminium oxide 5-10 parts；
Aqueous epoxy resins 20-30 parts
Solid content is acrylic acid-acrylonitrile-acrylic acid methyl ester. crosslinking copolymer emulsion 40-50 parts of 30-40%；
Dispersant 2-5 weight portions；
Defoamer 2-5 weight portions；
Coalescents 2-5 weight portions；
MTES 2-3 weight portions；
Water 30-40 weight portions；
Acrylic acid, acrylonitrile, acrylic acid first in described acrylic acid-acrylonitrile-acrylic acid methyl ester. crosslinking copolymer emulsion
The weight ratio of ester is 10:1-2:1-2, cross-linking agent is trimethylolpropane, and trimethylolpropane is equivalent to acrylic acid weight
0.01-0.05%.
In the above-mentioned bloom automobile coating for improving case hardness, also including the color filters of 4-7 weight portions.
In the above-mentioned bloom automobile coating for improving case hardness, described dispersant is sodium hexameta phosphate, dodecyl
One kind in sodium sulfate, waterglass.
In the above-mentioned bloom automobile coating for improving case hardness, described defoamer is polypropylene glycerol aether, polyoxy
One kind in propylene polyoxyethylene glycerol ether, polydimethylsiloxane.
In the above-mentioned bloom automobile coating for improving case hardness, described coalescents are propandiol butyl ether, Propylene Glycol
One kind in methyl ether acetate, alcohol ester 12.
In the above-mentioned bloom automobile coating for improving case hardness, described acrylic acid-acrylonitrile-acrylic acid methyl ester. crosslinking
Copolymer emulsion is prepared by the following method and obtains：
The single phase 25-40 weight portion that preparation acrylic acid, acrylonitrile, acrylic acid methyl ester. are constituted；
The 80-90wt% of single phase is added in the water phase of 60-70 weight portions, disperses 1-5 weight portions in water phase in advance
Surfactant, be warmed up to 60-70 DEG C；By the initiator of 0.5-2 weight portions, the trihydroxy methyl third of 0.02-0.17 weight portions
The monomer of alkane and surplus is added to stirring reaction 2-5h in water phase in the way of Deca and is obtained final product；
Acrylic acid, acrylonitrile, the weight ratio of acrylic acid methyl ester. are 10:1-2:1-2.
In the above-mentioned bloom automobile coating for improving case hardness, described surfactant be sodium lauryl sulphate,
Sodium stearate, dodecylbenzene sodium sulfonate.
In the above-mentioned bloom automobile coating for improving case hardness, described initiator is cumyl peroxide, peroxide
Change one or more in Ketohexamethylene, potassium peroxydisulfate, sodium peroxydisulfate, Ammonium persulfate., azodiisobutyronitrile.
In the above-mentioned bloom automobile coating for improving case hardness, described bloom automobile coating is prepared by the following method
Arrive：By stearic acid, aqueous epoxy resins, acrylic acid-acrylonitrile-acrylic acid methyl ester. crosslinking copolymer emulsion, dispersant, froth breaking
Agent, coalescents to be added to the water and stir 20-30min with the speed of 1000-2000r/min；Then by aluminium oxide, the second of methyl three
TMOS is added in system and is obtained final product with the Rate Dispersion 15-20 minutes of 3000-5000r/min.
In the above-mentioned bloom automobile coating for improving case hardness, color filters and aluminium oxide are synchronously added to into reactant
In system.
The beneficial effects of the present invention is：
In the case of 20 ° and 60 ° of angle, test its glossiness by vancometer is the bloom automobile coating of the present invention
82-86 and 95-97.
The automobile coating of the present invention belongs to the larger class of film hardness, acrylic acid-acrylonitrile-acrylic acid in water-based automobile paint
, using trimethylolpropane as cross-linking agent, crosslink density is relatively low, belongs to partially soft polymer for methyl ester crosslinking copolymer emulsion, when
Later stage adds in the reaction MTES, and it reaches coating surface hardness with aqueous epoxy resins crosslinking
3H。
Specific embodiment
With reference to specific embodiment, technical scheme is described in further detail, but do not constitute it is right
Any restriction of the present invention.
In order to more clearly the present invention will be described, it is listed below embodiment to illustrate the superiority of the present invention.
Embodiment 1
A kind of bloom automobile coating, including following parts by weight of component：
5 parts of stearic acid；
10 parts of aluminium oxide；
25 parts of aqueous epoxy resins
Solid content is 40% acrylic acid-acrylonitrile -60 parts of acrylic acid methyl ester. crosslinking copolymer emulsion；
The weight portion of sodium hexameta phosphate 5；
The weight portion of polydimethylsiloxane 2；
The weight portion of propandiol butyl ether 5；
The weight portion of MTES 2；
The weight portion of water 35；
Described acrylic acid-acrylonitrile-acrylic acid methyl ester. crosslinking copolymer emulsion is prepared by the following method and obtains：
The weight portion of single phase 36 that preparation acrylic acid, acrylonitrile, acrylic acid methyl ester. are constituted；
The 85wt% of single phase is added in the water phase of 60 weight portions, disperses the dodecane of 4 weight portions in water phase in advance
Base benzene sulfonic acid sodium salt, is warmed up to 60-70 DEG C；By the cyclohexanone peroxide of 1 weight portion, the trimethylolpropane of 0.05 weight portion and
The monomer of surplus be added in the way of Deca stirring reaction 3h in water phase obtain final product the acrylic acid-acrylonitrile of 100 weight portions or so-
Acrylic acid methyl ester. crosslinking copolymer emulsion；
Acrylic acid, acrylonitrile, the weight ratio of acrylic acid methyl ester. are 10:2:2.
Embodiment 2
A kind of bloom automobile coating, including following parts by weight of component：
10 parts of stearic acid；
5 parts of aluminium oxide；
30 parts of aqueous epoxy resins
Solid content is 30% acrylic acid-acrylonitrile -70 parts of acrylic acid methyl ester. crosslinking copolymer emulsion；
2 parts of sodium hexameta phosphate；
5 parts of polydimethylsiloxane；
2 parts of propandiol butyl ether；
3 parts of MTES
40 parts of water；
Described acrylic acid-acrylonitrile-acrylic acid methyl ester. crosslinking copolymer emulsion is prepared by the following method and obtains：
The weight portion of single phase 28 that preparation acrylic acid, acrylonitrile, acrylic acid methyl ester. are constituted；
The 80wt% of single phase is added in the water phase of 70 weight portions, disperses the stearic acid of 2 weight portions in water phase in advance
Sodium, is warmed up to 60-70 DEG C；By the cumyl peroxide of 0.5 weight portion, 0.15 weight portion trimethylolpropane and surplus
Monomer is added to acrylic acid-acrylonitrile-acrylic acid that stirring reaction 4h in water phase obtains final product 100 weight portions or so in the way of Deca
Methyl ester crosslinking copolymer emulsion；
Acrylic acid, acrylonitrile, the weight ratio of acrylic acid methyl ester. are 10:1:1.
Embodiment 3
A kind of bloom automobile coating, including following parts by weight of component：
8 parts of stearic acid；
8 parts of aluminium oxide；
20 parts of aqueous epoxy resins
Solid content is 35% acrylic acid-acrylonitrile -65 parts of acrylic acid methyl ester. crosslinking copolymer emulsion；
4 parts of sodium lauryl sulphate；
3 parts of polyoxyethylene polyoxypropylene glycerin ether；
3 parts of propylene glycol methyl ether acetate；
2.5 parts of MTES
35 parts of water；
Described acrylic acid-acrylonitrile-acrylic acid methyl ester. crosslinking copolymer emulsion is prepared by the following method and obtains：
The weight portion of single phase 32 that preparation acrylic acid, acrylonitrile, acrylic acid methyl ester. are constituted；
The 85wt% of single phase is added in the water phase of 65 weight portions, disperses the Hard Fat of 1.5 weight portions in water phase in advance
Sour sodium, is warmed up to 60-70 DEG C；By the cumyl peroxide of 2 weight portions, 0.1 weight portion trimethylolpropane and surplus
Monomer is added to acrylic acid-acrylonitrile-acrylic acid that stirring reaction 2h in water phase obtains final product 100 weight portions or so in the way of Deca
Methyl ester crosslinking copolymer emulsion；
Acrylic acid, acrylonitrile, the weight ratio of acrylic acid methyl ester. are 10:1:2.
It is above-described be only presently preferred embodiments of the present invention, it is all made in the range of the spirit and principles in the present invention appoint
What modification, equivalent and improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of bloom automobile coating for improving case hardness, it is characterised in that including following parts by weight of component：
Stearic acid 5-10 parts；
Aluminium oxide 5-10 parts；
Aqueous epoxy resins 20-30 parts
Solid content is acrylic acid-acrylonitrile-acrylic acid methyl ester. crosslinking copolymer emulsion 40-50 parts of 30-40%；
Dispersant 2-5 weight portions；
Defoamer 2-5 weight portions；
Coalescents 2-5 weight portions；
MTES 2-3 weight portions；
Water 30-40 weight portions；
Acrylic acid in described acrylic acid-acrylonitrile-acrylic acid methyl ester. crosslinking copolymer emulsion, acrylonitrile, acrylic acid methyl ester.
Weight ratio is 10:1-2:1-2, cross-linking agent is trimethylolpropane, 0.01- of the trimethylolpropane equivalent to acrylic acid weight
0.05%.
2. the bloom automobile coating for improving case hardness according to claim 1, it is characterised in that also including 4-7 weight portions
Color filters.
3. the bloom automobile coating for improving case hardness according to claim 1, it is characterised in that described dispersant is six
One kind in Polymeric sodium metaphosphate., sodium lauryl sulphate, waterglass.
4. the bloom automobile coating for improving case hardness according to claim 1, it is characterised in that described defoamer is poly-
One kind in oxypropylene glycerin ether, polyoxyethylene polyoxypropylene glycerin ether, polydimethylsiloxane.
5. the bloom automobile coating for improving case hardness according to claim 1, it is characterised in that described coalescents are
One kind in propandiol butyl ether, propylene glycol methyl ether acetate, alcohol ester 12.
6. the bloom automobile coating for improving case hardness according to claim 1, it is characterised in that described acrylic acid-the third
Alkene nitrile-acrylic acid methyl ester. crosslinking copolymer emulsion is prepared by the following method and obtains：
The single phase 25-40 weight portion that preparation acrylic acid, acrylonitrile, acrylic acid methyl ester. are constituted；
The 80-90wt% of single phase is added in the water phase of 60-70 weight portions, disperses the table of 1-5 weight portions in water phase in advance
Face activating agent, is warmed up to 60-70 DEG C；By the initiator of 0.5-2 weight portions, 0.02-0.17 weight portions trimethylolpropane with
And the monomer of surplus is added to stirring reaction 2-5h in water phase in the way of Deca and is obtained final product；
Acrylic acid, acrylonitrile, the weight ratio of acrylic acid methyl ester. are 10:1-2:1-2.
7. the bloom automobile coating for improving case hardness according to claim 6, it is characterised in that described surfactant
For sodium lauryl sulphate, sodium stearate, dodecylbenzene sodium sulfonate.
8. the bloom automobile coating for improving case hardness according to claim 6, it is characterised in that described initiator was
One kind or many in oxidation diisopropylbenzene (DIPB), cyclohexanone peroxide, potassium peroxydisulfate, sodium peroxydisulfate, Ammonium persulfate., azodiisobutyronitrile
Kind.
9. the bloom automobile coating for improving case hardness according to claim 1, it is characterised in that described bloom automobile coating
It is prepared by the following method and obtains：By stearic acid, aqueous epoxy resins, acrylic acid-acrylonitrile-acrylic acid methyl ester. cross-linked copolymer
Emulsion, dispersant, defoamer, coalescents to be added to the water and stir 20-30min with the speed of 1000-2000r/min；Then
By aluminium oxide, MTES be added in system and with the Rate Dispersion 15-20 minutes of 3000-5000r/min i.e.
.
10. the bloom automobile coating for improving case hardness according to claim 9, it is characterised in that by color filters and oxygen
Change aluminum to be synchronously added in reaction system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710058534.3A CN106675338B (en) | 2017-01-23 | 2017-01-23 | A kind of bloom automobile coating improving surface hardness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710058534.3A CN106675338B (en) | 2017-01-23 | 2017-01-23 | A kind of bloom automobile coating improving surface hardness |
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| Publication Number | Publication Date |
|---|---|
| CN106675338A true CN106675338A (en) | 2017-05-17 |
| CN106675338B CN106675338B (en) | 2019-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710058534.3A Active CN106675338B (en) | 2017-01-23 | 2017-01-23 | A kind of bloom automobile coating improving surface hardness |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019000584A1 (en) * | 2017-06-29 | 2019-01-03 | 谭柳 | High gloss automotive paint |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000281962A (en) * | 1999-03-31 | 2000-10-10 | Kansai Paint Co Ltd | Method for forming multi-layer coated film |
| JP2001072933A (en) * | 1999-09-08 | 2001-03-21 | Nippon Paint Co Ltd | Brilliant coating composition, film-forming method and multi-layered coated film |
| CN104031515A (en) * | 2014-05-14 | 2014-09-10 | 南通雄鹰涂料有限公司 | High-gloss anti-corrosive automotive paint |
| CN105219201A (en) * | 2015-11-14 | 2016-01-06 | 胡运冲 | A kind of nanometer modified high-solid body part automobile finish and preparation method thereof |
| CN106117417A (en) * | 2016-07-18 | 2016-11-16 | 镇江东方红纳米科技有限公司 | A kind of water-proof emulsion |
-
2017
- 2017-01-23 CN CN201710058534.3A patent/CN106675338B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000281962A (en) * | 1999-03-31 | 2000-10-10 | Kansai Paint Co Ltd | Method for forming multi-layer coated film |
| JP2001072933A (en) * | 1999-09-08 | 2001-03-21 | Nippon Paint Co Ltd | Brilliant coating composition, film-forming method and multi-layered coated film |
| CN104031515A (en) * | 2014-05-14 | 2014-09-10 | 南通雄鹰涂料有限公司 | High-gloss anti-corrosive automotive paint |
| CN105219201A (en) * | 2015-11-14 | 2016-01-06 | 胡运冲 | A kind of nanometer modified high-solid body part automobile finish and preparation method thereof |
| CN106117417A (en) * | 2016-07-18 | 2016-11-16 | 镇江东方红纳米科技有限公司 | A kind of water-proof emulsion |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019000584A1 (en) * | 2017-06-29 | 2019-01-03 | 谭柳 | High gloss automotive paint |
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| Publication number | Publication date |
|---|---|
| CN106675338B (en) | 2019-09-06 |
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Effective date of registration: 20200923 Address after: Plot b-13, Huacai chemical coatings City, WengCheng Town, Wengyuan County, Shaoguan City, Guangdong Province Patentee after: Guangdong Qicai Jiaxin Technology Co., Ltd Address before: Hang Sheng Ping Guan District and village Xia Zhen Guangdong province 511500 Qingcheng District of Qingyuan city (Li Shaoyun building) Patentee before: JARSIN PAINT Co.,Ltd. |
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