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A reflective powder coating

A powder coating, reflective technology, applied in powder coatings, reflective/signal coatings, epoxy resin coatings, etc., can solve the problems of powder coating shedding, charge leakage, etc., and achieve high surface resistance, less pores, weather resistance and water resistance good sex effect

Active Publication Date: 2017-01-18
广州市欧巴克建材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the surface resistance of the powder coating is too low, it is easy to cause the leakage of charges at the corners of the substrate, which will cause the powder coating on the substrate to fall off

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A method for preparing a reflective powder coating, comprising the steps of,

[0014] (1) In parts by weight, 25 parts of bisphenol F epoxy resin, 20 parts of aliphatic glycidyl ether epoxy resin, 15 parts of poly(meth)acrylic resin with free carboxyl groups, 3 parts of magnesium carbonate, 3 parts Parts of rubber powder, 2 parts of magnesium carbide, 10 parts of fluorocarbon, 6 parts of nano hollow glass fiber, 5 parts of carbon black, 2 parts of aluminum powder, 3 parts of red iron oxide, 2 parts of curing agent, 1 part of stabilizer and 1 part of fluid Escalator composition.

[0015] (2) Use a twin-screw extruder to extrude the mixed material at the front end at 70°C-80°C, raise the temperature in the middle section of the extruder to 120°C-130°C and then extrude to form, and obtain powder coating after crushing.

Embodiment 2

[0017] A method for preparing a reflective powder coating, comprising the steps of,

[0018] (1) In parts by weight, 30 parts of bisphenol F epoxy resin, 30 parts of aliphatic glycidyl ether epoxy resin, 20 parts of poly(meth)acrylic resin with free carboxyl groups, 4 parts of magnesium carbonate, 6 parts Parts of rubber powder, 3 parts of magnesium carbide, 15 parts of fluorocarbon, 9 parts of nano-hollow glass fiber, 10 parts of carbon black, 3 parts of aluminum powder, 7 parts of iron oxide red, 5 parts of curing agent, 2 parts of stabilizer and 2 parts of fluid Escalator composition.

[0019] (2) Use a twin-screw extruder to extrude the mixed material at the front end at 70°C-80°C, raise the temperature in the middle section of the extruder to 120°C-130°C and then extrude to form, and obtain powder coating after crushing.

Embodiment 3

[0021] A method for preparing a reflective powder coating, comprising the steps of,

[0022] (1) In parts by weight, 27 parts of bisphenol F epoxy resin, 25 parts of aliphatic glycidyl ether epoxy resin, 17 parts of poly(meth)acrylic resin with free carboxyl groups, 3.5 parts of magnesium carbonate, 4 parts Parts of rubber powder, 2.5 parts of magnesium carbide, 12 parts of fluorocarbon, 8 parts of nano hollow glass fiber, 7 parts of carbon black, 2.5 parts of aluminum powder, 5 parts of red iron oxide, 3.5 parts of curing agent, 1.5 parts of stabilizer and 1.5 parts of fluid Escalator composition.

[0023] (2) Use a twin-screw extruder to extrude the mixed material at the front end at 70°C-80°C, raise the temperature in the middle section of the extruder to 120°C-130°C and then extrude to form, and obtain powder coating after crushing.

[0024] When adopting the raw material of the present invention to prepare powder coating, owing to have included aliphatic glycidyl ether e...

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PUM

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Abstract

The invention discloses a reflective powder paint. The reflective powder paint comprises the following raw materials in parts by weight: 25 to 30 parts of bisphenol F epoxy resin, 20 to 30 parts of aliphatic glycidol ether epoxy resin, 15 to 20 parts of poly (meth) acrylic epoxy resin with free carboxyl groups, 3 to 4 parts of magnesium carbonate, 3 to 6 parts of rubber powder, 2 to 3 parts of magnesium carbide, 10 to 15 parts of fluorocarbon, 6 to 9 parts of nano hollow glass fiber. 5 to 10 parts of carbon black, 2 to 3 parts of aluminum powder, 3 to 7 parts of iron oxide red, 2 to 5 parts of a curing agent, 1 to 2 parts of a stabilizing agent, and 1 to 2 parts of a flatting agent. The powder paint is moderate in volume resistance, high in surface resistance, and good in reflective heat insulation performance.

Description

technical field [0001] This invention relates to powder coatings. Background technique [0002] At present, with the rapid development of global industry, the environmental problems caused are becoming increasingly prominent. How to carry out environmental protection work has become an important subject to be studied urgently. Some western countries with strong environmental awareness have developed and researched automotive coatings with low volatile organic compounds, and put them into production and use in large quantities. With the continuous development of the automobile industry, in order to beautify the appearance of the automobile coating film and reduce the environmental pollution caused by it, it is particularly important to improve the automobile spraying technology. [0003] For automotive powder coatings, if the volume resistance of the powder coating is too high, the powder will not be easily adsorbed on the substrate, and if the volume resistance is too low,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/00C09D133/00C09D5/33C09D5/03C09D7/12
CPCC08L2205/025C08L2205/03C09D5/03C09D7/61C09D7/65C09D163/00C08L63/00C08L33/00C08K13/04C08K2003/267C08K3/14C08K7/28C08K3/04C08K2003/0812C08K2003/2272
Inventor 李永志
Owner 广州市欧巴克建材科技有限公司
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