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Fluorocarbon powder coating and preparation method thereof
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A powder coating and fluorocarbon technology, applied in the coating field, can solve the problems of poor chemical resistance, poor decoration and poor leveling, and achieve the effect of good optical stability and chemical resistance.
Inactive Publication Date: 2018-05-08
成都信达高分子材料有限公司
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The powder coatings currently on the market have the disadvantages of poor leveling, poor chemical resistance, and poor decoration
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Embodiment 1
[0024] A fluorocarbon powder coating: in parts by weight, the fluorocarbon powder coating components include: 30 parts of fluorocarbon resin, 7 parts of IPDI, 75 parts of hydroxyl polyester, 35 parts of titanium dioxide, 40 parts of bariumsulfate, acrylic acid 1.5 parts of leveling agent, 2.5 parts of acrylic wetting agent, 1.8 parts of benzoin, 1.2 parts of stearic acid, 1 part of polyethylene wax, 1 part of amide wax, 1 part of polytetrafluoroethylene wax, 1 part of charge regulator, 1 part of organic bentonite, 1 part of catalyst.
[0025] Wherein, the catalyst is imidazole and its derivatives. The fluorocarbon powder coating components also include: pigments. 0-20 parts of the pigment.
[0026] The preparation method of the above fluorocarbon powder coating includes: premixing the fluorocarbon powder coating components, washing, extruding, pulverizing, and mixing to obtain the fluorocarbon powder coating.
[0027] Wherein, the crushing process specifically includes: co...
Embodiment 2
[0029] The difference between this example and Example 1 is that, in parts by weight, the fluorocarbon powder coating components include: 10 parts of fluorocarbon resin, 5 parts of IPDI, 50 parts of hydroxyl polyester, 10 parts of titanium dioxide, sulfuric acid 10 parts of barium, 0.8 parts of acrylic leveling agent, 0.4 parts of acrylic wetting agent, 0.5 parts of benzoin, 0.4 parts of stearic acid, 0.2 parts of polyethylene wax, 0.2 parts of amide wax, 0.2 parts of polytetrafluoroethylene wax, charge 0.2 parts of conditioner, 0.2 parts of organic bentonite, and 0.2 parts of catalyst.
Embodiment 3
[0031] The difference between this example and Example 1 is that in parts by weight, the fluorocarbon powder coating components include: 3 parts of fluorocarbon resin, 3 parts of IPDI, 40 parts of hydroxyl polyester, 10 parts of titanium dioxide, sulfuric acid 10 parts of barium, 0.8 parts of acrylic leveling agent, 0.4 parts of acrylic wetting agent, 0.5 parts of benzoin, 0.4 parts of stearic acid, 0.2 parts of polyethylene wax, 0.2 parts of amide wax, 0.2 parts of polytetrafluoroethylene wax, charge 0.2 parts of conditioner, 0.2 parts of organic bentonite, and 0.2 parts of catalyst.
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Abstract
The invention discloses a fluorocarbonpowdercoating and a preparation method thereof. The fluorocarbonpowdercoating is prepared from the following components in parts by weight: 3-30 parts of fluorocarbon resin, 3-7 parts of IPDI (isophorone diisocyanate), 40-75 parts of hydroxyl polyester, 0-35 parts of titanium dioxide, 0-40 parts of bariumsulfate, 0.8-1.5 parts of an acrylic flatting agent, 0.4-2.5 parts of an acrylic wetting agent, 0-1.8 parts of benzoin, 0-1.2 parts of stearic acid, 0-1 part of polyethylenewax, 0-1 part of amidewax, 0-1 part of polytetrafluoroethylenewax, 0-1 partof a charge control agent, 0-1 part of organobentonite and 0-1 part of a catalyst. The fluorocarbon powdercoating has the advantages of being good in levelling property, good in decorative performance, good in storage stability, not liable to get yellowed, good in chemical resistance and good in mechanical property; the lacklustre, semi-lustre and high-lustre effects can be achieved by changingthe usage amount of a matting agent; and the decorative performance can be further improved.
Description
technical field [0001] The invention relates to the technical field of coatings, in particular to a fluorocarbon powder coating and a preparation method thereof. Background technique [0002] Powder coating is a new type of solvent-free, pure solidpowder coating composed of polymers, pigments and additives; it has the characteristics of no solvent, no pollution, saving energy and resources, reducing labor intensity and high mechanical strength of the coating film. Powder coatings have a high usage rate because they do not emit volatile organic compounds. In the past 10 years, the development speed of powder coatings in the world has been very fast, with an average annual growth rate of 8%-15%. The powder coatings currently on the market have the disadvantages of poor leveling, poor chemical resistance, and poor decoration. Contents of the invention [0003] In view of this, the application provides a fluorocarbon powder coating and its preparation process. The fluorocarb...
Claims
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