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Anti-corrosion alkyd resin powder coating for steel structures

An alkyd resin and powder coating technology, used in powder coatings, anti-corrosion coatings, epoxy resin coatings, etc., can solve the problems of poor weather resistance and poor heat resistance, and achieve improved antioxidant capacity, excellent heat resistance, The effect of excellent weather resistance

Inactive Publication Date: 2015-12-16
ANHUI KAILIN ADVANCED MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Alkyd resin has the advantages of good leveling of the coating film, good adhesion to metal substrates, high hardness of the paint film, and good scratch resistance, so it is widely used in metal anti-corrosion, but the weather resistance of alkyd resin coating film is currently Poor sex and poor heat resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A kind of anticorrosion alkyd resin powder coating for steel structure, its raw material comprises by weight: 50 parts of novolac epoxy resin, 40 parts of semi-drying oily alkyd resin, 0.1 part of imidazole compound, 1 part of tertiary amine compound, organic phosphine 0.4 parts of compound, silane coupling agent KBM6032 parts, silane coupling agent KH5600.5 parts, 2 parts of stearic acid, 0.5 parts of palm wax, 8.4 parts of 2-phenylimidazoline, 0.8 parts of polyacrylate-2-ethylhexyl 0.8 parts of acrylate, 20 parts of modified spherical silica powder, 30 parts of sepiolite powder, 10 parts of titanium dioxide, 10 parts of nano-titanium dioxide, and 2 parts of ammonium dihydrogen phosphate.

Embodiment 2

[0018] A kind of anticorrosion alkyd resin powder coating for steel structure, its raw material comprises by weight: 60 parts of novolac epoxy resin, 20 parts of semi-drying oily alkyd resin, 0.5 part of imidazole compound, 0.5 part of tertiary amine compound, organic phosphine 0.8 parts of compound, 1 part of silane coupling agent KBM6031, 1.5 parts of silane coupling agent KH560, 1 part of stearic acid, 1.4 parts of palm wax, 6 parts of 2-phenylimidazoline, 1.2 parts of polyacrylate-2-ethylhexyl 0.5 parts of acrylate, 25 parts of modified spherical silica powder, 15 parts of sepiolite powder, 15 parts of titanium dioxide, 5 parts of nano-titanium dioxide, and 6 parts of ammonium dihydrogen phosphate.

Embodiment 3

[0020] A kind of anticorrosion alkyd resin powder coating for steel structure, its raw material comprises by weight: 55 parts of novolac epoxy resin, 36 parts of semi-drying oil alkyd resin, 0.2 part of imidazole compound, 0.8 part of tertiary amine compound, organic phosphine 0.6 parts of compound, 1.4 parts of silane coupling agent KBM603, 0.8 parts of silane coupling agent KH5600, 1.6 parts of stearic acid, 0.8 parts of palm wax, 7.5 parts of 2-phenylimidazoline, polyacrylic acid-2-ethylhexyl 1 part of ester, 0.75 part of acrylate, 21 parts of modified spherical silica powder, 18 parts of sepiolite powder, 12 parts of titanium dioxide, 8 parts of nano-titanium dioxide, and 4 parts of ammonium dihydrogen phosphate.

[0021] In the modified spherical silica powder, put 30 parts of spherical silica powder into 40% ethanol solution by weight and soak for 40 hours, add 0.2 parts of silane coupling agent and stir in vacuum for 30 minutes, the vacuum degree is 0.6MPa, and the stirr...

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Abstract

The invention discloses an anti-corrosion alkyd resin powder coating for steel structures. The anti-corrosion alkyd resin powder coating comprises raw materials in parts by weight as follows: 50-60 parts of phenolic epoxy resin, 20-40 parts of semi-drying oil alkyd resin, 0.1-0.5 parts of an imidazole compound, 0.5-1 part of a tertiary amine compound, 0.4-0.8 parts of an organic phosphonic compound, 1-2 parts of a silane coupling agent KBM603, 0.5-1.5 parts of a silane coupling agent KH560, 1-2 parts of stearic acid, 0.5-1.4 parts of palm wax, 6-8.4 parts of 2-phenylimidazoline, 0.8-1.2 parts of poly(2-ethylhexyl acrylate), 0.5-0.8 parts of acrylate, 20-25 parts of modified spherical silica powder, 15-30 parts of sepiolite powder, 10-15 parts of titanium dioxide, 5-10 parts of nano-titanium dioxide and 2-6 parts of ammonium dihydrogen phosphate. The anti-corrosion alkyd resin powder coating is good in weather resistance and excellent in heat resistance.

Description

technical field [0001] The invention relates to the technical field of alkyd resin coatings, in particular to an anticorrosive alkyd resin powder coating for steel structures. Background technique [0002] Corrosion of steel structures is a phenomenon in which the metal surface of steel structures is destroyed by the influence of environmental media. At present, the most effective method of anti-corrosion is to coat the metal surface with an anti-corrosion coating to isolate it from corrosive media. Alkyd resin has the advantages of good leveling of the coating film, good adhesion to metal substrates, high hardness of the paint film, and good scratch resistance, so it is widely used in metal anti-corrosion, but the weather resistance of alkyd resin coating film is currently Poor performance and poor heat resistance. Contents of the invention [0003] The invention provides an anticorrosive alkyd resin powder coating for steel structures, which has good weather resistance ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/04C09D167/08C09D5/03C09D5/08C09D5/14C09D7/12
Inventor 王和山赵欣泰
Owner ANHUI KAILIN ADVANCED MATERIAL CO LTD
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