Acid-modified melamine resin for UV (ultraviolet) paint and preparation method thereof

A technology of melamine and acid modification, applied in the direction of coating, etc., can solve the problem that UV resin is difficult to meet the requirements, and achieve the effect of improving high wear resistance

Active Publication Date: 2014-07-23
湖南罗比特新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the improvement of people's living standards, the requirements for coatings are getting higher and higher, and the current UV resins are difficult to meet their requirements.

Method used

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  • Acid-modified melamine resin for UV (ultraviolet) paint and preparation method thereof
  • Acid-modified melamine resin for UV (ultraviolet) paint and preparation method thereof
  • Acid-modified melamine resin for UV (ultraviolet) paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1: Add 30g of melamine and 20g of xylene into a three-necked flask equipped with a stirrer and a thermometer, stir to dissolve the melamine completely, add 100g of epichlorohydrin, heat up to 40°C and stir for 2 hours, add 150g of acrylic acid, 0.25 g p-hydroxyanisole, 0.5 g triethylamine, heat up to 90°C for 1 hour, then heat up to 110°C for 4 hours, discharge after passing the test to obtain the product.

Embodiment 2

[0020] Example 2: Add 30g of melamine and 25g of xylene into a three-necked flask equipped with a stirrer and a thermometer, stir to dissolve the melamine completely, add 100g of epichlorohydrin, heat up to 60°C and stir for 1 hour, add 200g of acrylic acid, 0.05 g p-hydroxyanisole, 5 g triethylamine, heat up to 70°C for 1 hour, then heat up to 120°C for 4 hours, discharge after passing the test to obtain the product.

Embodiment 3

[0021] Example 3: Add 30 g of melamine and 10 g of toluene into a three-neck flask equipped with a stirrer and a thermometer, stir to completely dissolve the melamine, add 200 g of epichlorohydrin, heat up to 60 ° C and stir for 1 hour, add 250 g of acrylic acid, 5 g of Hydroxyanisole, 5g triethylamine, heated up to 70°C for 1 hour, then heated up to 120°C for 4 hours, discharged after passing the test, to obtain the product.

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Abstract

The invention discloses an acid-modified melamine resin for a UV (ultraviolet) paint, which is composed of the following components in parts by weight: 6-13 parts of melamine, 20-50 parts of photocuring agent, 0.01-1 part of polymerization inhibitor, 0.01-1 part of catalyst, 2-5 parts of organic solvent and 20-60 parts of R-epoxy halopropane. The acid-modified melamine resin is used for a UV paint, and can effectively enhance the wear resistance, hardness and heat resistance of the UV paint; and thus, the wear value of the UV paint can reach 0.03g / 100r, the hardness can reach 4H, and the heat resistance can reach 360 DEG C.

Description

technical field [0001] The invention relates to an acid-modified melamine resin used for UV coatings and a synthesis process thereof. technical background [0002] Melamine is a resin with high wear resistance, high hardness and high heat resistance. It is widely used in the plastics and coating industries, and can also be used as an anti-folding and anti-shrinking treatment agent for textiles. Its modified resin can be used as metal coating with bright color, durability and good hardness. It can also be used in strong, heat-resistant decorative veneers, moisture-proof paper and gray leather tanning agents, adhesives for synthetic fireproof laminates, and fixatives or hardeners for waterproofing agents. In terms of coatings: after etherification with butanol and methanol, it can be used as a bonding agent for high-grade thermosetting coatings and solid powder coatings, and can be used to make metal coatings and high-grade amino resin decorative paints for vehicles and elect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D4/02
Inventor 柴超邓鉴
Owner 湖南罗比特新材料有限公司
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