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High-gloss automotive metal wheel paint with one-time coating and film formation and preparation method thereof

A high-gloss, automotive technology, applied in coatings, anti-corrosion coatings, etc., can solve problems such as complex processes and high costs

Active Publication Date: 2021-02-02
ZHANGZHOU XIN ZHAN WANG CHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the traditional car wheel coating schemes are three coats and one bake, which is complicated and costly

Method used

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  • High-gloss automotive metal wheel paint with one-time coating and film formation and preparation method thereof
  • High-gloss automotive metal wheel paint with one-time coating and film formation and preparation method thereof
  • High-gloss automotive metal wheel paint with one-time coating and film formation and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Table 1 Embodiment 1 Raw material parts by weight

[0047]

[0048] The preparation of metal wheel paint in the present embodiment may further comprise the steps:

[0049] (1) Premixing: Add 2 parts of propylene glycol methyl ether acetate into the stirring tank for stirring; then slowly add 30 parts by weight of CR201-65, 1.3 parts of dispersant 32500, and stir at a speed of 700-800r / min (rev / min) 5-10min, adjust the premixed viscosity to 90-95KU / 25℃ with an appropriate amount of diluent;

[0050] (2) Soaking silver: Add 7.33 parts of butyl acetate into the stirring tank, then slowly add 8.5 parts of nano-metallic pigment 5000 and 1 part of nano-metallic pigment 706, stir evenly for 5-10 minutes (400 rpm), until uniform After soaking, add to the premix and stir well;

[0051] (3) Paint making: Add the remaining 22.7 parts of CR201-65, 20 parts of 821 amino resin, 1.4 parts of BYK-358N leveling agent, 3.3 parts of CAB 551-0.2, and 2 parts of S-100 solvent into the ...

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Abstract

The invention belongs to the technical field of coatings, and in particular relates to a high-gloss automotive metal wheel hub paint formed into a film by one-time coating and a preparation method thereof. The raw materials include the following components in parts by weight: 40-55 parts of acrylic resin; 20-26 parts of amino resin; 8.0-13 parts of nano metal pigment; 4.0-7.0 parts of auxiliary agent; 10-15 parts of diluent. Through the reaction of acrylic resin and butyl etherified amino resin, and with metal pigments, a kind of high-gloss automotive metal wheel paint with high temperature resistance, good adhesion and high added value can be obtained by one-time coating; and the original three-coating The preparation process of three-baking or three-coating-one-baking, to the one-coating-one-baking paint preparation process of the present invention, and has more excellent properties such as high gloss and salt spray resistance. The method has a simple preparation process and is suitable for industrial production.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a high-gloss automotive metal wheel hub paint formed into a film by one-time coating and a preparation method thereof. Background technique [0002] The automotive wheel industry has very strict quality requirements for coatings. To produce high-quality automobile wheels, high-quality materials, good coating technology and coatings with excellent comprehensive properties are required. At present, there is still a certain gap between domestically produced automobile wheel paint and foreign products in terms of quality and technology. Most of the traditional car wheel coating schemes are three coats and one bake, which is a complex process and high cost. [0003] Amino baking varnish mainly uses acrylic resin or alkyd resin and amino resin as the main film-forming substances. It is packaged in one component at room temperature, and at a higher temperature (about 130...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/00C09D5/10C09D7/61C09D7/65
CPCC08K2003/0806C08K2003/0831C08K2201/011C09D5/10C09D133/00C09D7/61C09D7/65C09D7/67C08L61/20C08L1/14C08L91/00C08K3/08
Inventor 樊正新何明峰
Owner ZHANGZHOU XIN ZHAN WANG CHEM IND
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