Production process capable of improving powder coating production yield

A production process and powder coating technology, applied in powder coatings, polyester coatings, anti-corrosion coatings, etc., can solve the problems of shrinking product profit margins, unsatisfactory crushing effects, and increased production costs, so as to reduce the waste of stuck materials, reduce Gel time, effect of improving yield

Active Publication Date: 2018-02-23
浙江旗创科技集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In recent years, with the rapid development of the powder coating industry, the market competition environment has become increasingly fierce, and the prices of raw materials used in the preparation of powder coatings have continued to rise in the past two years. Low, and the loss of each production link of powder coatings is relatively serious, which will also lead to low yield, which will lead to continuous increase in production costs and shrinking product profit margins

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1. A production process for improving the production yield of powder coatings, comprising the following steps:

[0020] The first step is batching and mixing to obtain a paint mixture; in parts by mass, the paint mixture is composed of the following components:

[0021] High viscosity polyester resin, 25-35 parts; low viscosity polyester resin, 25-35 parts; curing agent T105, 3-3.5 parts; titanium dioxide, 12-14 parts; carbon black, 0.4-0.6 parts; pigment green, 0.08-0.1 part; iron yellow, 0.1-0.3 part; leveling agent, 0.8-1 part; defoamer, 0.2-0.4 part; catalyst, 0.04-0.06 part; nano metal oxide particles, 0.5-0.6 part; filler , 20-23 copies;

[0022] The second step is to extrude the material to obtain the extruded material; pour the coating mixture into the twin-screw extruder and extrude. Control at 103-107°C, and control the speed of the twin-screw extruder at 45-52HZ;

[0023] The third step is to cool and extrude the extruded material to obtain a coat...

Embodiment 2

[0036] Example 2, in parts by mass, the coating mixture is composed of the following components: high-viscosity polyester resin, 25 parts; low-viscosity polyester resin, 25 parts; curing agent T105, 3 parts; titanium dioxide, 14 parts carbon black, 0.6 part; pigment green, 0.08 part; iron yellow, 0.1 part; leveling agent, 0.8 part; defoamer, 0.2 part; catalyst, 0.04 part; 20 servings.

Embodiment 3

[0037] Example 3, in parts by mass, the coating mixture is composed of the following components: high-viscosity polyester resin, 35 parts; low-viscosity polyester resin, 35 parts; curing agent T105, 3.5 parts; titanium dioxide, 14 parts carbon black, 0.6 part; pigment green, 0.1 part; iron yellow, 0.3 part; leveling agent, 1 part; defoamer, 0.4 part; catalyst, 0.06 part; 23 servings.

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Abstract

The invention discloses a production process capable of improving the powder coating production yield. The process comprises the following steps: 1, preparing and mixing materials to obtain a coatingmixture which is prepared from the following components in parts by weight: 25-35 parts of high-viscosity polyester resin, 25-35 parts of low-viscosity polyester resin, 3-3.5 parts of a curing agent T105, 12-14 parts of titanium dioxide, 0.4-0.6 part of carbon black, 0.08-0.1 part of pigment green, 0.1-0.3 part of ferrite yellow, 0.8-1 part of a flatting agent, 0.2-0.4 part of a defoaming agent, 0.04-0.06 part of a catalyst, 0.5-0.6 part of nano-metal oxide particles and 20-23 parts of filler; 2, extruding to obtain an extruded material; 3, cooling and pressing the extruded material to obtaina coating sheet, and cooling by adopting a water-cooling mode; and 4, grinding the coating sheet, and controlling the grinding particle size to be 37-41mu m. The production process has the characteristics of improving the powder coating yield, improving the product production efficiency and reducing the production cost.

Description

technical field [0001] The invention relates to a powder coating process, in particular to a production process for improving the production yield of powder coatings. Background technique [0002] In recent years, with the rapid development of the powder coating industry, the market competition environment has become increasingly fierce, and the prices of raw materials used in the preparation of powder coatings have continued to rise in the past two years. Low, and the loss of each production link of powder coatings is relatively serious, which will also lead to low yield, which will lead to continuous increase of production costs and shrinking product profit margins. Contents of the invention [0003] The object of the present invention is to provide a production process for improving the production yield of powder coatings. The invention has the characteristics of being able to increase the yield of the powder coating, improve the production efficiency of the product an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/00C09D5/03C09D5/08C09D7/61B02C13/00B02C23/32B29C47/92B29C48/92
CPCC09D167/00C09D5/031C09D5/033C09D5/08B02C13/00B02C23/32B29C48/92B29C2948/92704C08K2201/011C08K2003/2251C08L2205/025C08L67/00C08K13/02C08K3/22C08K3/2279
Inventor 凌秀军李鸿斌周鹏周国旗张金良
Owner 浙江旗创科技集团有限公司
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