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High-toughness ultra-weather-resistant heat-transferrable powder paint composition

A powder coating and super weather-resistant technology, applied in powder coatings, polyester coatings, coatings, etc., can solve the problems of strong coating film rigidity, high cross-linking density, and poor toughness, achieve clear pattern aesthetics, and improve toughness , the effect of good toughness

Inactive Publication Date: 2017-09-12
佛山市南海嘉多彩粉末涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to obtain a clear transfer pattern, thermal transfer powder coatings generally have a high crosslinking density, resulting in strong rigidity but poor toughness of the coating film, which limits the application of outdoor transfer powder coatings on post-formed aluminum profiles

Method used

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  • High-toughness ultra-weather-resistant heat-transferrable powder paint composition
  • High-toughness ultra-weather-resistant heat-transferrable powder paint composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] (1) 10g of trifluoroethyl acrylate, 8g of hydroxyethyl acrylate, 5g of methoxypolyethylene glycol acrylate monomer, 75g of styrene, and 1g of azobisisovaleronitrile are made into a monomer mixture . 100g of toluene was added into a 500ml three-neck flask and stirred at elevated temperature. When the solvent was refluxed, the monomer mixture was added dropwise, and the dropwise addition was completed in 2-2.5 hours, and the reflux and heat preservation reaction was continued for 2 hours. Concentrate and remove the solvent under reduced pressure, the temperature does not exceed 170 ° C, discharge while hot, cool, and coarsely pulverize to obtain a polymer additive with a Tg of 80 ° C and a number average molecular weight of 21200;

[0035] (2) A high-toughness and super-weather-resistant heat-transferable powder coating composition, comprising the following weight component raw materials:

[0036] Super Weatherable Polyester Resin 60%;

[0037] TGIC curing agent 4.5%; ...

Embodiment 2

[0056] (1) 15g of pentafluoropropyl acrylate, 12g of hydroxypropyl acrylate, 13g of methoxypolyethylene glycol acrylate monomer, 57g of ethyl acrylate, and 1g of azobisisovaleronitrile are made into monomers mixture. 100g of toluene was added into a 500ml three-neck flask and stirred at elevated temperature. When the solvent was refluxed, the monomer mixture was added dropwise, and the dropwise addition was completed in 2-2.5 hours, and the reflux and heat preservation reaction was continued for 2 hours. Concentrate and remove the solvent under reduced pressure, the temperature does not exceed 170°C, discharge while hot, cool, and coarsely pulverize to obtain a polymer additive with a Tg of 67°C and a number average molecular weight of 14,500;

[0057] (2) A high-toughness and super-weather-resistant heat-transferable powder coating composition, comprising the following weight component raw materials:

[0058] Super Weatherable Polyester Resin 65%;

[0059] TGIC curing agen...

Embodiment 3

[0078] (1) 15g of trifluoroethyl acrylate, 12g of hydroxypropyl acrylate, 13g of methoxypolyethylene glycol acrylate monomer, 57g of ethyl methacrylate, and 1g of azobisisovaleronitrile monomer mixture. 100g of toluene was added into a 500ml three-neck flask and stirred at elevated temperature. When the solvent was refluxed, the monomer mixture was added dropwise, and the dropwise addition was completed in 2-2.5 hours, and the reflux and heat preservation reaction was continued for 2 hours. Concentrate and remove the solvent under reduced pressure, the temperature does not exceed 170 ° C, discharge while hot, cool, and coarsely pulverize to obtain a polymer additive with a Tg of 50 ° C and a number average molecular weight of 8300;

[0079] (2) A high-toughness and super-weather-resistant heat-transferable powder coating composition, comprising the following weight component raw materials:

[0080] Super Weatherable Polyester Resin 63%;

[0081] TGIC curing agent 4.8%;

[...

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Abstract

The invention discloses a high-toughness ultra-weather-resistant heat-transferrable powder paint composition, which is characterized by comprising the following ingredients and raw materials in percentage by weight: 60 to 65 percent of ultra-weather-resistant polyester resin, 4.5 to 5 percent of TGIC curing agents, 1 to 2 percent of leveling agents, 1 to 2 percent of smoothening degasifiers, 1 to 6 percent of polymer auxiliary agents, 1 to 2 percent of ultraviolet absorbents, 0.2 to 0.5 percent of curing catalysts and 18 to 31.3 percent of pigments and filling materials. The paint has the advantages that the ultraviolet absorbents are added, so that the anti-aging capability of the coating film can be improved; in addition, the weather resistance and the cold resistance of the paint can be improved; in addition, the processing temperature can be reduced.

Description

technical field [0001] The invention belongs to the technical field of coatings, and relates to a heat-transferable powder coating composition with high toughness and super weather resistance. Background technique [0002] Powder coating, often called dry paint, is an environmentally friendly product that is available in more varieties and colors. As a solvent-free decorative and protective material, powder coatings are widely used in various fields due to their advantages of cleanness, environmental protection, low energy consumption and low cost. With the development of society, people continue to put forward higher requirements for the decorative and protective effects of powder coatings, and the pursuit of more and more colorful appearance patterns, which puts forward a new direction for the development of powder coatings. [0003] The powder coating transfer printing technology is to spray the wood grain transfer printing powder coating on the aluminum profile first, a...

Claims

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Application Information

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IPC IPC(8): C09D167/00C09D5/03C09D7/12C08F212/08C08F220/28C08F220/22C08F220/18
CPCC08F212/08C08F220/18C08K2003/2241C08K2003/3045C09D5/033C09D167/00C08L25/14C08K3/30C08K3/22C08L33/08C08F220/281C08F220/22C08F220/286
Inventor 李亮坚
Owner 佛山市南海嘉多彩粉末涂料有限公司
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