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a metallic glitter paint

A metal flash paint and organic solvent technology, applied in coatings, anti-corrosion coatings, epoxy resin coatings, etc., can solve the problems of unstable metal flash paint, easy condensation of resin molecular chains, and restrictions on the development of metal flash paint, and achieve good results. Ultraviolet radiation resistance, easy construction, good self-repair and anti-corrosion effects

Active Publication Date: 2022-04-12
崇州市美涂士涂料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, general-purpose coatings generally contain a large number of carboxyl groups. In the presence of water, carboxyl groups are easy to ionize atoms on the surface of metal particles to produce multivalent metal particles, and multivalent metal ions can simultaneously form multivalent metal carboxyl groups with carboxyl groups on different molecular chains. Acid acid, causing resin molecular chains to easily condense, resulting in instability of metallic glitter coatings
The above reasons lead to defects such as sagging, edge shrinkage, and pinholes in the construction performance of metallic flash paints, which seriously affect the sparkle index of the paint film and greatly limit the development of metallic flash paints.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] 1. Preparation of Epoxy Resin

[0026] (1) Preparation of epoxy resin I

[0027] Taking maleimide as raw material, according to the following synthetic route, the obtained structural formula is The product is epoxy resin I.

[0028]

[0029] (2) Preparation of epoxy resin II

[0030]

[0031]

[0032] Taking maleimide as raw material, according to the above synthetic route, the obtained structural formula is The product is epoxy resin II.

[0033] 2. Preparation of Amino Resin

[0034] Using tetramethylurea, oxalyl chloride and 1,8-diaminooctane as raw materials, according to the following synthetic route, the obtained structural formula is The product is amino resin I.

[0035]

Embodiment 2

[0037] 1. Prepare metallic glitter paint

[0038] In this example, 4 treatment groups were set up, which were respectively marked as treatment IA, treatment IIA, treatment IIIA and treatment IVA, and the raw materials for each treatment group were prepared according to the formula provided in Table 2 for preparing metallic glitter paint. In Table 2, Epoxy Resin I and Epoxy Resin II correspond to Epoxy Resin I and Epoxy Resin II prepared in Example 1 respectively, and the structure of 1,4-dihydromaleimide butane is The amino resin I used is the amino resin I prepared in Example 1.

[0039] Table 2 embodiment 2 each processing group is used to prepare the formula composition (mass part number) of metal glitter paint

[0040]

[0041] After completing the material preparation, each treatment group correspondingly prepares the metallic glitter paint according to the following steps, and the addition amount of each group of materials is consistent with that in Table 2.

[004...

Embodiment 3

[0055] 1. Prepare metallic glitter paint

[0056] In this embodiment, 4 treatment groups are set up, which are respectively marked as treatment IB, treatment IIB, treatment IIIB and treatment IVB. According to the formula provided in Table 4, the raw materials for preparing metallic glitter paints for each treatment group are respectively prepared. In Table 4, the amino resin I is the amino resin I prepared in Example 1.

[0057] Table 4 embodiment 3 each treatment group is used to prepare the formula composition (mass part number) of metal glitter paint

[0058] Material type Treatment IB Treatment IIB Treatment IIIB Treatment IVB Epoxy resin Ⅰ 34 copies 34 copies 34 copies 34 copies Aluminum paste 10 copies 10 copies 10 copies 10 copies polyamide wax 20 copies 20 copies 29 copies Amino resin Ⅰ 9 servings 29 copies Melamine 9 servings Xylene 15 copies 15 copies 15 copies 15 copies ...

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Abstract

The invention provides a metal glitter paint: calculated in parts by mass, its raw materials include 30-40 parts of epoxy resin, 8-15 parts of aluminum silver paste, 8-12 parts of polyamide wax liquid, 5-12 parts of amino resin, 25-35 parts of organic solvent; the molecular structure of epoxy resin includes pyrrolidone ring. Aluminum silver paste is easily dispersed in the epoxy resin adopted in the present invention and has good dispersion stability, and its reason may be that the pyrrolidone ring in the epoxy resin adopted in the present invention can form a complex with the aluminum powder in the aluminum silver paste , so as to prevent the aggregation and settlement of metal particles, and at the same time inhibit the formation of metal salts between metal particles and resin, so as to avoid the resin from agglomerating into blocks.

Description

technical field [0001] The invention belongs to the field of chemical coatings, in particular to a metallic glitter paint. Background technique [0002] Flash varnish is a coating with a flash effect. It is mainly composed of transparent resin solution, aluminum silver paste, pearl powder and transparent coloring pigment. The coating film formed by it has a bright metallic luster and a sense of flash under sunlight. Add a showy color to the entire car. The main components of aluminum silver paste are metal ions such as snowflake aluminum particles and petroleum solvent. During the use of flash paint, metal particles tend to settle in the paint due to their high density. In addition, general-purpose coatings generally contain a large number of carboxyl groups. In the presence of water, carboxyl groups are easy to ionize atoms on the surface of metal particles to produce multivalent metal particles, and multivalent metal ions can simultaneously form multivalent metal carboxy...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/00C09D5/08C09D7/61C09D7/63
CPCC09D163/00C09D5/08C09D7/61C09D7/63C08K2003/0812C08K3/08C08K5/31
Inventor 周伟建谢寅峰赵书兵符传杰周靖洋谢仲洪李灿辉王丽玲何圣文黄仁海
Owner 崇州市美涂士涂料科技有限公司
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