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Water-based nano coating special for hubs

A nano-coating technology, which is applied in the field of automotive wheel hub coatings, can solve problems such as corrosion resistance, poor self-cleaning performance, and insufficient wheel hub adhesion, and achieve the effect of enhancing impact resistance and flexibility, and overcoming high requirements for construction conditions

Inactive Publication Date: 2020-08-25
ANHUI KAILIN ADVANCED MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The water-based coatings currently developed often have insufficient adhesion to the hub, poor corrosion resistance and self-cleaning performance, and cannot meet people's requirements for high performance of the hub

Method used

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  • Water-based nano coating special for hubs

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A special coating for water-based nanometer wheels, made of the following raw materials in parts by weight: 30 parts of water-based amino resin A, 30 parts of water-based amino resin B, 8 parts of silica sol, 4 parts of vinyl triethoxysilane, cellulose acetate butyrate 6 parts of prime, 3 parts of triethylenetetramine, 3 parts of leveling agent bd-3033, 6 parts of potassium aluminum silicate.

[0018] The water-based amino resin A is prepared by the following preparation method: according to parts by weight, take 170 parts of formaldehyde, 120 parts of melamine, and 600 parts of n-butanol, put them in a container, heat to 100 ° C, stir and dissolve; then add 10% phosphoric acid aqueous solution, adjust the pH of the reaction solution to 5.0, react for 8 hours, distill under reduced pressure, concentrate until the non-volatile content is 80%, cool to 50°C; add 50 parts of β-alanine and 100 parts of water, stir for 4 hours; add 50 One part dimethylethanolamine, water and ...

Embodiment 2

[0021] A special coating for water-based nanometer wheels, made of the following raw materials in parts by weight: 22 parts of water-based amino resin A, 22 parts of water-based amino resin B, 6 parts of silica sol, 4 parts of vinyltrimethoxysilane, cellulose acetate butyrate 4 parts, 3 parts of sodium fluorosilicate, 3 parts of leveling agent BYK340, 5 parts of nano zinc oxide.

[0022] The water-based amino resin A is prepared by the following preparation method: according to parts by weight, take 160 parts of formaldehyde, 115 parts of melamine, and 580 parts of n-butanol, put them in a container, heat to 100 ° C, stir and dissolve; then add 10% phosphoric acid Aqueous solution, adjust the pH of the reaction solution to 4.8, react for 10 hours, distill under reduced pressure, concentrate until the non-volatile content is 75%, cool to 48°C; add 45 parts of β-alanine and 90 parts of water, stir for 3 hours; add 45 One part dimethylethanolamine, water and n-butanol in the syst...

Embodiment 3

[0025] A special coating for water-based nanometer wheels, made of the following raw materials in parts by weight: 30 parts of water-based amino resin A, 32 parts of water-based amino resin B, 8 parts of silica sol, 5 parts of vinyl tris (β-methoxyethoxy) silane 8 parts, 8 parts of cellulose acetate butyrate, 5 parts of aromatic polyisocyanate trimer, 4 parts of leveling agent 435, 7 parts of nano-diatomaceous earth.

[0026] The water-based amino resin A is prepared by the following preparation method: according to parts by weight, take 180 parts of formaldehyde, 132 parts of melamine, and 610 parts of n-butanol, put them in a container, heat to 110 ° C, stir and dissolve; then add 8% phosphoric acid Aqueous solution, adjust the pH of the reaction solution to 5.2, react for 7 hours, distill under reduced pressure, concentrate until the non-volatile content is 85%, cool to 55°C; add 58 parts of β-alanine and 110 parts of water, stir for 3 hours; add 58 One part dimethylethanol...

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Abstract

The invention discloses a water-based nano coating special for hubs. The water-based nano coating is prepared from the following raw materials in parts by weight: 20-35 parts of water-based amino resin A, 20-35 parts of water-based amino resin B, 5-10 parts of silica sol, 3-5 parts of silane, 3-8 parts of cellulose acetate butyrate, 2-5 parts of a curing agent, 2-4 parts of a leveling agent and 3-8 parts of filler. The water-based nano coating special for hubs overcomes the defects that an oil-based coating has high requirements on construction conditions and has great harm to the environment.The coating is compounded by adopting double-component water-based amino resin, so that the impact resistance and the flexibility of the material are enhanced.

Description

technical field [0001] The invention belongs to the technical field of automobile wheel hub coatings, and in particular relates to a special coating for water-based nanometer hubs. Background technique [0002] In recent years, with the development of my country's automobile industry and the rapid growth of demand, the demand for automobile accessories has increased significantly. Automobile hub is an important part of automobile, which is related to the safety of automobile operation. For automobile hub, its surface coating is the key to its quality and performance. The coating needs to have strong mechanical properties, as well as acid, alkali and salt spray resistance. . [0003] At present, the common surface coating products for automobile wheels on the market are acrylic amino baking varnish and polyester amino baking varnish. , has high requirements on construction conditions and is extremely harmful to the environment, greatly increasing the number of operators and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D161/32C09D161/28C09D7/61C09D7/63C09D7/65C08G12/40C08G12/32
CPCC08G12/32C08G12/40C08K2003/2296C08K2003/387C08K2201/011C08L2205/02C09D161/28C09D161/32C09D7/61C09D7/63C09D7/65C08L61/28C08L1/14C08K13/02C08K3/36C08K5/5425C08K3/34C08L61/32C08K3/22C08K13/04C08K7/26C08K3/38
Inventor 王和山王厚国王和东殷东楼曹文强张万霞张萍王和政
Owner ANHUI KAILIN ADVANCED MATERIAL CO LTD
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