CN103555111A - High-performance automobile acrylic modified varnish and preparation method thereof - Google Patents
High-performance automobile acrylic modified varnish and preparation method thereof Download PDFInfo
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- CN103555111A CN103555111A CN201310604118.0A CN201310604118A CN103555111A CN 103555111 A CN103555111 A CN 103555111A CN 201310604118 A CN201310604118 A CN 201310604118A CN 103555111 A CN103555111 A CN 103555111A
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Abstract
The invention relates to a high-performance automobile acrylic modified varnish and a preparation method of the automobile acrylic modified varnish. The high-performance automobile acrylic modified varnish is prepared from the following raw materials in parts by weight: 60-80 parts of resin, 5-10 parts of auxiliary agent and 10-30 parts of solvent; the preparation method comprises the steps of adding 80-90wt% of resin and 60-70wt% of solvent into a reaction vessel, stirring at a high speed for 30-60min, then adding the rest of resin and the formula amount of auxiliary agent into the mixture, stirring for 10-30min, measuring the solid content of the mixture, and adjusting the solid content to be qualified by using the rest solvent. Compared with the prior art, the high-performance automobile acrylic modified varnish has better mechanical property and has the advantages of ultraviolet resistance, ageing resistance, electrostatic shielding effect, etc.
Description
Technical field
The present invention relates to a kind of automobile finish and preparation method thereof, especially relate to acrylic acid modified varnish of a kind of high performance automobile and preparation method thereof.
Background technology
Car paint is kind with high content of technology in coating, added value is high, it is representing the level of a national coatings industry, and along with the development of automotive industry, the domestic demand to car paint is increasing, the consequent is that client requires stricter to automobile appearance.Automobile varnish is the visual evaluation to car mass, and it is not only determining the whether attractive in appearance of automobile, and directly affects the market competitiveness of automobile.So automobile finish except requiring to have high-decoration, also requires there is good weather resistance, comprises opposing ultraviolet ray, moisture, chemical substance and the erosion of acid rain and anti-scratch performance.
Application number is that 201010118044.6 Chinese patent discloses vinylformic acid for automobile-amino finish varnish composition, varnish and uses thereof, vinylformic acid-amino finish varnish composition wherein, comprise following composition: (a) the thermoset Hydroxylated acrylic resin of the high solid of 20-48 weight part, the hydroxyl value of the thermoset Hydroxylated acrylic resin of described high solid is between 120-160mgKOH/g, and described high solid refers to solid part >=70 % by weight; (b) the propyl carbinol etherify melamine resin of 20-30 weight part; (c) two carbamide compounds of 10-30 weight part are acrylic resin modified, (d) the aliphatic polymeric isocyanate resin of the 3，5-dimethylpyrazole of 1-10 weight part (DMP) sealing; (e) flow agent of 0.2-1.0 weight part; Described flow agent comprises polyester modification polydimethylsiloxane solution; (f) varnish used additives that can receiving amount.This patent prepares high gloss, the high construction sagging limit, the pin hole limit, and films and have high smooth performance.But this kind of coating is also needing further raising aspect the weather resistances such as uvioresistant, anti-aging, electrostatic screening effect.
Summary of the invention
Object of the present invention is exactly in order to overcome the defect that above-mentioned prior art exists, to provide a kind of better mechanical property and have acrylic acid modified varnish of high performance automobile of uvioresistant, anti-aging, electrostatic screening effect and preparation method thereof.
Object of the present invention can be achieved through the following technical solutions:
The acrylic acid modified varnish of automobile, adopts the raw material of following component and weight part content to prepare: resin 60～80, auxiliary agent 5～10, solvent 10～30.
Described resin is selected from one or more in acrylic resin, saturated polyester resin, cellulose acetate resin or aminoresin.
Described solvent is selected from one or more in dimethylbenzene, n-butyl acetate, 1-Methoxy-2-propyl acetate or diester mixture.
Described auxiliary agent is selected from one or more in polyacrylic acid lipopolymer, the macromolecule organic silicon, fluorin modified crylic acid lipopolymer or inorganic modified silicon-dioxide auxiliary agent.
Described auxiliary agent is inorganic modified silicon-dioxide auxiliary agent preferably.
Described inorganic modified silicon-dioxide auxiliary agent is the silicon-dioxide auxiliary agent that adopts surface-treated silicon oxide particle dispersion to carry out modification.
The particle diameter of described auxiliary agent is 1-100nm, adopt this structural unit at least at the one-dimensional square varnish that grain size obtains in the auxiliary agent modulation of 1-100nm that makes progress, due to the transitional region that the size of this auxiliary agent is had a common boundary in cluster and macro object, make the varnish for preparing in uvioresistant, anti-aging, high strength and toughness, good functions such as electrostatic screening effect, color and luster conversion effect and antibacterial and deodorizing.
The preparation method of the acrylic acid modified varnish of high performance automobile comprises the following steps:
(1) by the formula of following component and weight part content, get the raw materials ready: resin 60～80, auxiliary agent 5～10, solvent 10～30;
(2) resin of 80-90wt% and 60-70wt% solvent are dropped in reaction vessel, and high-speed stirring 30-60 minute;
(2) add again the auxiliary agent of residual resin and formula ratio, stir 10-30 minute;
(3) measure the solid content of mixture, and with remaining solvent, solid content is adjusted;
(4) to solids content, detect after qualified and obtain the acrylic acid modified varnish of automobile.
Solid content >=the 55wt% of the described acrylic acid modified varnish of automobile, preferably 55-60wt%.
Compared with prior art, the present invention has the following advantages:
(1) material resin molecule can be penetrated in polymer builder, for example, the molecular resin adopting can produce crosslinking reaction and form cross-linked network with inorganic modified silicon-dioxide auxiliary agent, contribute to improve toughness and other mechanical property of material, especially can make anti-scratch performance greatly improve, can also keep original hardness increasing the elastic while in addition, thereby obtain moment levelling effect again;
(2) because molecular resin and selected auxiliary agent molecule are cross-linked the performance can with ultra-violet radiation resisting, in addition its atomic short grained specific surface area is large, can when coating is dry, form very soon network structure, can strengthen intensity, the smooth finish and anti-aging of coating simultaneously;
(3) there is the effect with angle variable color, can be at the sidelight district reflection blue opalescence of the area of illumination of coating, thus increase the fullness ratio of metal finish paint color, produce unique visual effect.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.
Embodiment 1
The acrylic acid modified varnish of automobile, the method comprises following processing step:
(1) by formula requirements first by 60 kilograms of acrylic resins, 18 kilograms of n-butyl acetates, 10 kilograms of polyacrylic acid lipopolymers, drop in dispersion cylinder, and high-speed stirring 30 minutes;
(2) add again 5 kilograms of 10 kilograms of acrylic resins and polyacrylic acid lipopolymers, stir 10 minutes;
(3) measure solids content, and adjust coating to 55wt% with 2 kilograms of n-butyl acetates;
(4) after qualified to solids content detection, prepare the acrylic acid modified varnish of automobile, weighing and bagging.
Embodiment 2
The acrylic acid modified varnish of automobile, the method comprises following processing step:
(1) by formula requirements, first 10 kilograms of 65 kilograms of acrylic resins, 7 kilograms of n-butyl acetates, polyacrylic acid lipopolymer are dropped in dispersion cylinders, and high-speed stirring 40 minutes;
(2) add 15 kilograms of acrylic resins, 10 kilograms of fluorin modified crylic acid lipopolymers, stir 20 minutes again;
(3) measure solids content, and with, 3 kilograms of adjustment coating of n-butyl acetate to 57wt%;
(4) after qualified to solids content detection, prepare the acrylic acid modified varnish of automobile, weighing and bagging.
Embodiment 3
The acrylic acid modified varnish of automobile, the method comprises following processing step:
(1) by formula requirements, first 10 kilograms of 55 kilograms of acrylic resins, 26 kilograms of n-butyl acetates, polyacrylic acid lipopolymer are dropped in dispersion cylinders, and high-speed stirring 60 minutes;
(2) add 5 kilograms of acrylic resins, 5 kilograms of the macromolecule organic silicons, stir 25 minutes again;
(3) measure solids content, and with, 4 kilograms of adjustment coating 60wt% of n-butyl acetate;
(4) after qualified to solids content detection, prepare the acrylic acid modified varnish of automobile, weighing and bagging.
Embodiment 4
The acrylic acid modified varnish of a kind of high performance automobile, adopt the raw material of following component and weight part content to prepare: saturated polyester resin 60kg, dimethylbenzene 10kg, inorganic modified silicon-dioxide auxiliary agent 5kg, the particle diameter of auxiliary agent is 1-100nm, due to the transitional region that the size of this auxiliary agent is had a common boundary in cluster and macro object, make the varnish for preparing in uvioresistant, anti-aging, high strength and toughness, good functions such as electrostatic screening effect, color and luster conversion effect and antibacterial and deodorizing.
The preparation method of the acrylic acid modified varnish of high performance automobile comprises the following steps:
(1) by the formula of above component and weight part content, get the raw materials ready;
(2) resin of 80wt% and 60wt% solvent are dropped in reaction vessel, and high-speed stirring 30 minutes;
(2) add again the auxiliary agent of residual resin and formula ratio, stir 10 minutes;
(3) measure the solid content of mixture, and with remaining solvent, solid content is adjusted, control solid content at 58wt%;
(4) to solids content, detect after qualified and obtain the acrylic acid modified varnish of automobile.
Embodiment 5
The acrylic acid modified varnish of a kind of high performance automobile, adopt the raw material of following component and weight part content to prepare: saturated polyester resin 70kg, 1-Methoxy-2-propyl acetate 20kg, inorganic modified silicon-dioxide auxiliary agent and the macromolecule organic silicon 5kg, the particle diameter of the auxiliary agent using is 1-100nm, due to the transitional region that the size of auxiliary agent is had a common boundary in cluster and macro object, make the varnish for preparing in uvioresistant, anti-aging, high strength and toughness, good functions such as electrostatic screening effect, color and luster conversion effect and antibacterial and deodorizing.
The preparation method of the acrylic acid modified varnish of high performance automobile comprises the following steps:
(1) by the formula of above component and weight part content, get the raw materials ready;
(2) resin of 85wt% and 65wt% solvent are dropped in reaction vessel, and high-speed stirring 40 minutes;
(2) add again the auxiliary agent of residual resin and formula ratio, stir 20 minutes;
(3) measure the solid content of mixture, and with remaining solvent, solid content is adjusted, control solid content at 60wt%;
(4) to solids content, detect after qualified and obtain the acrylic acid modified varnish of automobile.
Embodiment 6
The acrylic acid modified varnish of a kind of high performance automobile, adopt the raw material of following component and weight part content to prepare: cellulose acetate resin 80kg, n-butyl acetate and 1-Methoxy-2-propyl acetate 30kg, fluorin modified crylic acid lipopolymer and the macromolecule organic silicon 10kg, the particle diameter of the auxiliary agent using is 1-100nm, due to the transitional region that the size of auxiliary agent is had a common boundary in cluster and macro object, make the varnish for preparing in uvioresistant, anti-aging, high strength and toughness, good functions such as electrostatic screening effect, color and luster conversion effect and antibacterial and deodorizing.
The preparation method of the acrylic acid modified varnish of high performance automobile comprises the following steps:
(1) by the formula of above component and weight part content, get the raw materials ready;
(2) resin of 90wt% and 70wt% solvent are dropped in reaction vessel, and high-speed stirring 60 minutes;
(2) add again the auxiliary agent of residual resin and formula ratio, stir 30 minutes;
(3) measure the solid content of mixture, and with remaining solvent, solid content is adjusted, control solid content at 60wt%;
(4) to solids content, detect after qualified and obtain the acrylic acid modified varnish of automobile.
The performance of the acrylic acid modified varnish of automobile that embodiment 1 is prepared and traditional automobile acrylic varnish contrasts, and its result is as follows:
From above-mentioned contrast table, comprehensively analyze, the acrylic acid modified varnish of high-performing car, detection data, the especially mechanical property of properties, anti-scratch performance, hardness, uvioresistant, anti-aging, electrostatic screening effect, be all better than traditional automobile acrylic varnish.
Claims (10)
1. the acrylic acid modified varnish of high performance automobile, is characterized in that, this varnish adopts the raw material of following component and weight part content to prepare: resin 60～80, auxiliary agent 5～10, solvent 10～30.
2. the acrylic acid modified varnish of a kind of high performance automobile according to claim 1, is characterized in that, described resin is selected from one or more in acrylic resin, saturated polyester resin, cellulose acetate resin or aminoresin.
3. the acrylic acid modified varnish of a kind of high performance automobile according to claim 1, is characterized in that, described solvent is selected from one or more in dimethylbenzene, n-butyl acetate, 1-Methoxy-2-propyl acetate or diester mixture.
4. the acrylic acid modified varnish of a kind of high performance automobile according to claim 1, it is characterized in that, described auxiliary agent is selected from one or more in polyacrylic acid lipopolymer, the macromolecule organic silicon, fluorin modified crylic acid lipopolymer or inorganic modified silicon-dioxide auxiliary agent.
5. the acrylic acid modified varnish of a kind of high performance automobile according to claim 1, is characterized in that, described auxiliary agent is inorganic modified silicon-dioxide auxiliary agent preferably.
6. according to the acrylic acid modified varnish of a kind of high performance automobile described in claim 4 or 5, it is characterized in that, described inorganic modified silicon-dioxide auxiliary agent is the silicon-dioxide auxiliary agent that adopts surface-treated silicon oxide particle dispersion to carry out modification.
7. the acrylic acid modified varnish of a kind of high performance automobile according to claim 1 or 5, is characterized in that, the particle diameter of described auxiliary agent is 1-100nm.
8. according to the preparation method of the acrylic acid modified varnish of a kind of high performance automobile described in any one in claim 1-7, it is characterized in that, the method comprises the following steps:
(1) by the formula of following component and weight part content, get the raw materials ready: resin 60～80, auxiliary agent 5～10, solvent 10～30;
(2) resin of 80-90wt% and 60-70wt% solvent are dropped in reaction vessel, and high-speed stirring 30-60 minute;
(2) add again the auxiliary agent of residual resin and formula ratio, stir 10-30 minute;
(3) measure the solid content of mixture, and with remaining solvent, solid content is adjusted;
(4) to solids content, detect after qualified and obtain the acrylic acid modified varnish of automobile.
9. the preparation method of the acrylic acid modified varnish of a kind of high performance automobile according to claim 8, is characterized in that, the solid content >=55wt% of the described acrylic acid modified varnish of automobile.
10. the preparation method of the acrylic acid modified varnish of a kind of high performance automobile according to claim 8, is characterized in that, the preferred 55-60wt% of solid content of the described acrylic acid modified varnish of automobile.
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Cited By (10)
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| CN104109438A (en) * | 2014-07-28 | 2014-10-22 | 漳州三德利油漆涂料有限公司 | Heat reflective insulating stoving varnish coating and preparation method thereof |
| CN104497863A (en) * | 2014-12-21 | 2015-04-08 | 陈翠莲 | Electrostatic shielding coating containing nano Ni powder |
| CN104497865A (en) * | 2014-12-21 | 2015-04-08 | 陈翠莲 | Nanometer ZnO powder-doped coating |
| CN104497864A (en) * | 2014-12-21 | 2015-04-08 | 陈翠莲 | Composite nanometer electrostatic screening coating and process thereof |
| CN104497862A (en) * | 2014-12-21 | 2015-04-08 | 陈翠莲 | Nanometer Co powder-doped modified coating |
| CN104845505A (en) * | 2014-07-04 | 2015-08-19 | Ppg涂料(天津)有限公司 | Coating composition with improved scratch resistance, and substrate coated with coating composition |
| CN106366877A (en) * | 2016-08-26 | 2017-02-01 | 上海群乐船舶附件启东有限公司 | Automobile finish-coat paint |
| CN107841199A (en) * | 2017-09-29 | 2018-03-27 | 东来涂料技术（上海）有限公司 | A kind of inorganic reflective insulating car paint and preparation method thereof |
| CN112280408A (en) * | 2020-11-10 | 2021-01-29 | 雅图高新材料股份有限公司 | High-chroma automobile varnish and preparation method thereof |
| CN113201242A (en) * | 2021-05-21 | 2021-08-03 | 常州市星威化工科技有限公司 | Durable antibacterial roller-coating polyester nano antibacterial coating and preparation method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104845505A (en) * | 2014-07-04 | 2015-08-19 | Ppg涂料(天津)有限公司 | Coating composition with improved scratch resistance, and substrate coated with coating composition |
| CN104109438A (en) * | 2014-07-28 | 2014-10-22 | 漳州三德利油漆涂料有限公司 | Heat reflective insulating stoving varnish coating and preparation method thereof |
| CN104497863A (en) * | 2014-12-21 | 2015-04-08 | 陈翠莲 | Electrostatic shielding coating containing nano Ni powder |
| CN104497865A (en) * | 2014-12-21 | 2015-04-08 | 陈翠莲 | Nanometer ZnO powder-doped coating |
| CN104497864A (en) * | 2014-12-21 | 2015-04-08 | 陈翠莲 | Composite nanometer electrostatic screening coating and process thereof |
| CN104497862A (en) * | 2014-12-21 | 2015-04-08 | 陈翠莲 | Nanometer Co powder-doped modified coating |
| CN106366877A (en) * | 2016-08-26 | 2017-02-01 | 上海群乐船舶附件启东有限公司 | Automobile finish-coat paint |
| CN107841199A (en) * | 2017-09-29 | 2018-03-27 | 东来涂料技术（上海）有限公司 | A kind of inorganic reflective insulating car paint and preparation method thereof |
| CN112280408A (en) * | 2020-11-10 | 2021-01-29 | 雅图高新材料股份有限公司 | High-chroma automobile varnish and preparation method thereof |
| CN112280408B (en) * | 2020-11-10 | 2021-12-14 | 雅图高新材料股份有限公司 | High-chroma automobile varnish and preparation method thereof |
| CN113201242A (en) * | 2021-05-21 | 2021-08-03 | 常州市星威化工科技有限公司 | Durable antibacterial roller-coating polyester nano antibacterial coating and preparation method thereof |
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Application publication date: 20140205 |