Sand-textured powder coating prepared through modified polyester resin and processing method thereof

A technology of modified polyester and powder coatings, applied in powder coatings, polyester coatings, coatings, etc., can solve problems such as poor impact resistance, easy discoloration, and poor weather resistance, and achieve stability and service life. High adhesion, the effect of improving product quality

Inactive Publication Date: 2018-06-29
广西福宝信科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a sand grain powder coating prepared by modifying polyester resin and a processing method thereof. By adding modified polyester resin, introducing an antioxidant and a

Method used

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  • Sand-textured powder coating prepared through modified polyester resin and processing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The sand texture powder coating prepared by modified polyester resin, in parts by weight, includes the following raw materials: 22.5 parts of modified polyester resin, 2 parts of sand texture agent, 1.5 parts of bentonite, 08 parts of power enhancer, 1.5 parts of pigment part, 0.8 part of degassing agent, 0.3 part of dispersant, 0.8 part of toughening agent, 0.3 part of brightening agent, 0.3 part of wetting agent, 0.2 part of preservative, 0.2 part of antioxidant, 0.3 part of light stabilizer, said The electrolytic agent is β-hydroxyalkylamide, the degassing agent is stearic acid, the dispersant is sulfur zinc, the toughening agent is pvc toughening agent, the wetting agent is heptadecyl imidazoline, and the preservative It is 5-chloro-2-methyl-4 isothiazolin-3-ketone, the antioxidant is dialkyl phosphite, and the light stabilizer is benzoic acid (2,2,6,6-tetra Methyl-4-hydroxypiperidine) ester.

[0023] The modified polyester resin, in parts by weight, includes the f...

Embodiment 2

[0032] Sand texture powder coating prepared by modified polyester resin, in parts by weight, including the following raw materials: 20 parts of modified polyester resin, 1 part of sand texture agent, 1 part of bentonite, 0.5 parts of power enhancer, 1 part of pigment part, 0.5 part of degassing agent, 0.2 part of dispersant, 0.5 part of toughening agent, 0.2 part of brightening agent, 0.1 part of wetting agent, 0.1 part of preservative, 0.1 part of antioxidant, 0.2 part of light stabilizer, the The electrolytic agent is β-hydroxyalkylamide, the degassing agent is stearic acid, the dispersant is sulfur zinc, the toughening agent is pvc toughening agent, the wetting agent is heptadecyl imidazoline, and the preservative It is 5-chloro-2-methyl-4 isothiazolin-3-ketone, the antioxidant is dialkyl phosphite, and the light stabilizer is benzoic acid (2,2,6,6-tetra Methyl-4-hydroxypiperidine) ester.

[0033] The modified polyester resin, in parts by weight, includes the following raw...

Embodiment 3

[0042] Sand pattern powder coating prepared by modified polyester resin, in parts by weight, including the following raw materials: 25 parts of modified polyester resin, 3 parts of sand texture agent, 3 parts of bentonite, 1 part of power enhancer, 2 parts of pigment part, 1 part of degassing agent, 0.5 part of dispersant, 1 part of toughening agent, 0.5 part of brightener, 0.5 part of wetting agent, 0.3 part of preservative, 0.3 part of antioxidant, 0.5 part of light stabilizer, the The electrolytic agent is β-hydroxyalkylamide, the degassing agent is stearic acid, the dispersant is sulfur zinc, the toughening agent is pvc toughening agent, the wetting agent is heptadecyl imidazoline, and the preservative It is 5-chloro-2-methyl-4 isothiazolin-3-ketone, the antioxidant is dialkyl phosphite, and the light stabilizer is benzoic acid (2,2,6,6-tetra Methyl-4-hydroxypiperidine) ester.

[0043] The modified polyester resin, in parts by weight, includes the following raw materials:...

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Abstract

The invention provides a sand-textured powder coating prepared through modified polyester resin. The sand-textured powder coating is prepared from the following raw materials in parts by weight: 20 to25 parts of the modified polyester resin, 1 to 3 parts of sand texturing agent, 1 to 3 parts of bentonite, 0.5 to 1 part of charge increasing agent, 1 to 2 parts of pigment, 0.5 to 1 part of degasifying agent, 0.2 to 0.5 part of dispersant, 0.5 to 1 part of toughening agent, 0.2 to 0.5 part of brightener, 0.1 to 0.5 part of wetting agent, 0.1 to 0.3 part of preservative, 0.1 to 0.3 part of antioxidant and 0.2 to 0.5 part of light stabilizer, wherein the charge increasing agent is beta-hydroxyalkylamide; the degasifying agent is stearic acid; the dispersant is sulfur zinc; the toughening agentis a pvc (polyvinyl chloride) toughening agent; the wetting agent is heptadecyl imidazoline; the preservative is 5-chloro-2-methyl-4-isothiazolin-3-one. The raw materials are crushed, then are extruded, and afterwards, are sliced, shorn, pulverized and sieved to prepare the sand-textured powder coating. According to the coating provided by the invention, through adding the modified polyester resin and introducing the antioxidant and the light stabilizer, the problems that a sand-textured powder coating is poor in impact resistance in practical application, and is easy to discolor, and the like, are solved.

Description

technical field [0001] The invention belongs to the field of paint preparation, and in particular relates to a sand grain powder paint prepared by modifying polyester resin and a processing method thereof. Background technique [0002] Powder coating exists in the state of fine powder. It is a new type of solvent-free 100% solid powder coating. It is solvent-free, pollution-free, recyclable, environmentally friendly, saves energy and resources, reduces labor intensity and mechanical strength of the coating film. advanced features. The powder coating is sprayed on the surface of the coated object in powder form, melted and leveled by baking, and solidified to form a film. Due to the advantages of improving coating performance, reducing costs, and eliminating the generation of volatile organic compounds, powder coatings have been continuously and rapidly developed. [0003] Thermosetting sand texture powder coatings not only have many advantages of general thermosetting powd...

Claims

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Application Information

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IPC IPC(8): C09D167/00C09D5/03C09D5/28C09D7/61C09D7/63C09D7/65C08G63/91B29C47/92B02C23/18B29C48/92
Inventor 王雄叶成斌高山
Owner 广西福宝信科技有限公司
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