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Acrylic resin powder composition, acrylic resin coating, and application of powder composition or coating

A technology of acrylic resin and composition, which is applied in coating, paper coating, textile and papermaking, etc. It can solve the problems of difficult coating and high gloss, and achieve the effects of high wear resistance, low curing temperature and few components

Active Publication Date: 2017-09-12
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some people abroad have studied the application of powder composition coatings on wood, but the coatings are difficult to achieve high gloss and high hardness

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Mix 100 parts of glycidyl methacrylate, 30 parts of dodecanedioic acid, 1 part of cetyltributylammonium chloride, 2 parts of polybutylacrylate, 1 part of benzoin, and 0.2 parts of nano-titanium oxide, Then melt, knead and extrude on an extruder with a melting temperature of 110° C., repeatedly extrude 4 times, then cool and press into tablets, crush, grind and sieve to obtain the acrylic resin mixture.

[0029] The acrylic resin mixture was cured at 150° C. for 30 minutes to obtain the acrylic resin coating. The coating had a gloss of 94° at 60° and a hardness of 4H.

Embodiment 2

[0031] Mix 100 parts of glycidyl methacrylate, 30 parts of dodecanedioic acid, 1 part of 2-methylimidazole, 2 parts of polybutyl acrylate, 1 part of benzoin, and 0.5 parts of nano-titanium oxide, and then mix them on the extruder Melting, kneading and extruding at a melting temperature of 110° C., repeated extrusion 4 times, cooling and tableting, crushing, grinding and sieving to obtain the acrylic resin mixture.

[0032] The acrylic resin mixture was cured at 150° C. for 30 minutes to obtain the acrylic resin coating. The coating had a gloss of 95° at 60° and a hardness of 5H.

Embodiment 3

[0034] Mix 100 parts of glycidyl methacrylate, 30 parts of dodecanedioic acid, 1 part of 2-methylimidazole, 2 parts of polybutylacrylate, 1 part of benzoin, and 0.2 parts of cage silsesquioxane, and then Melting, kneading and extruding on an extruder with a melting temperature of 110° C., repeated extrusion 4 times, cooling and pressing into tablets, crushing, grinding and sieving to obtain the acrylic resin mixture.

[0035] The acrylic resin mixture was cured at 150° C. for 25 minutes to obtain the acrylic resin coating. The coating had a gloss of 98° at 60° and a hardness of 5H.

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PUM

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Abstract

The invention relates to an acrylic resin powder composition. The powder composition comprises glycidyl acrylate resin, a curing agent, a leveling agent and a functional nano-filler, and the mass of the functional nano-filler used in the invention is 0.1-1% of the mass of the glycidyl acrylate resin used in the invention. The invention also provides an acrylic resin coating. The coating is a product obtained through carrying out melt extrusion on the acrylic resin powder composition, crushing and sieving the extruded powder composition, and spraying and curing the sieved powder composition. The obtained acrylic resin coating has the characteristics of high hardness, high glossiness, high wear resistance, no discharge of volatile organic compounds, and environmental protection.

Description

technical field [0001] The present invention relates to an acrylic resin powder composition, more specifically the present invention relates to a nano-modified acrylic resin powder composition. Background technique [0002] Due to its non-volatile organic compound (VOC) emission, powder composition coatings are environmentally friendly materials. With the improvement of people's living standards and the enhancement of environmental awareness, powder composition coatings have been developed rapidly. As a natural renewable material, wood is widely used in many aspects such as furniture, woodware, tools and decoration materials. Compared with metal substrates, wood contains more moisture and volatile matter, and it is easy to volatilize when the curing temperature is higher, forming pinholes and other defects on the coating surface, destroying the coating. One of the solutions is to make a textured coating such as sand grain or orange peel, and then cure at low temperature or ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D4/02C09D7/12D21H19/48
CPCC09D4/00D21H19/48
Inventor 陈铖赵素丽王建宇石秉忠
Owner CHINA PETROLEUM & CHEM CORP
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