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High-performance automobile acrylic modified varnish and preparation method thereof

An acrylic, high-performance technology, used in coatings, polyester coatings, etc., to improve toughness and other mechanical properties, large specific surface area, and increase elasticity

Inactive Publication Date: 2014-02-05
ZHANGZHOU XIN ZHAN WANG CHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this kind of coating needs to be further improved in terms of anti-ultraviolet, anti-aging, electrostatic shielding effect and other weather resistance properties.

Method used

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  • High-performance automobile acrylic modified varnish and preparation method thereof
  • High-performance automobile acrylic modified varnish and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A high-performance automotive acrylic modified varnish, the method comprises the following process steps:

[0027] (1) Put 60 kilograms of acrylic resin, 18 kilograms of n-butyl acetate, and 10 kilograms of polyacrylate polymer into the dispersion tank according to the formula requirements, and stir at high speed for 30 minutes;

[0028] (2) Add 10 kilograms of acrylic resin and 5 kilograms of polyacrylate polymers again, stir for 10 minutes;

[0029] (3) Measure the solid content, and adjust the coating to 55wt% with 2 kilograms of n-butyl acetate;

[0030] (4) After the solid content is qualified, the automotive acrylic modified varnish is prepared, weighed and packaged.

Embodiment 2

[0032] A high-performance automotive acrylic modified varnish, the method comprises the following process steps:

[0033] (1) Put 65 kg of acrylic resin, 7 kg of n-butyl acetate, and 10 kg of polyacrylate polymer into the dispersion tank according to the formula requirements, and stir at high speed for 40 minutes;

[0034] (2) add 15 kilograms of acrylic resins again, 10 kilograms of fluorine-modified acrylate polymers, stir 20 minutes;

[0035] (3) measure solid content, and adjust coating to 57wt% with 3 kilograms of n-butyl acetate;

[0036] (4) After the solid content is qualified, the automotive acrylic modified varnish is prepared, weighed and packaged.

Embodiment 3

[0038] A high-performance automotive acrylic modified varnish, the method comprises the following process steps:

[0039] (1) Put 55 kg of acrylic resin, 26 kg of n-butyl acetate, and 10 kg of polyacrylate polymer into the dispersion tank according to the formula requirements, and stir at high speed for 60 minutes;

[0040] (2) Add 5 kilograms of acrylic resins, 5 kilograms of polymer silicones, and stir for 25 minutes;

[0041] (3) measure solid content, and use, n-butyl acetate 4 kilograms to adjust coating 60wt%;

[0042] (4) After the solid content is qualified, the automotive acrylic modified varnish is prepared, weighed and packaged.

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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 [0001] The invention relates to an automobile paint and a preparation method thereof, in particular to a high-performance automobile acrylic modified varnish and a preparation method thereof. Background technique [0002] Automobile coating is a kind of coating with high technology content and high added value. It represents the level of a country's coating industry. With the development of the automobile industry, the domestic demand for automotive coatings is increasing. What follows is, Customers have stricter requirements on the appearance of cars. Automobile varnish is an intuitive evaluation of automobile quality. It not only determines the appearance of automobiles, but also directly affects the market competitiveness of automobiles. Therefore, in addition to high decorativeness, automotive topcoats also require excellent durability, including resistance to ultraviolet rays, moisture, chemicals and acid rain, and anti-scratch performance. [0003] Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D167/00C09D101/12C09D161/20C09D7/12
Inventor 谢平展
Owner ZHANGZHOU XIN ZHAN WANG CHEM IND
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