Chlorinated polyether powder coating as well as preparation method and use method thereof

A technology of chlorinated polyether and powder coatings, applied in the direction of powder coatings, polyether coatings, coatings, etc., can solve the problems of insufficient adhesion of anti-friction coatings, improve toughness, improve compatibility, and improve The effect of adhesion

Active Publication Date: 2017-05-10
INST OF PETROCHEM HEILONGJIANG ACADEMY OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention solves the need for chlorinated polyether coatings to have excellent adhesion to adhered materials in existing antifriction coatings. Although chlorinated polyether has excellent adhesion, it cannot reach the required level of antifriction coatings. Adhesive force, and provide a kind of chlorinated polyether powder coating and its preparation method and using method

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  • Chlorinated polyether powder coating as well as preparation method and use method thereof

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specific Embodiment approach 1

[0020] Specific embodiment 1: The chlorinated polyether powder coating in this embodiment consists of 90-100 parts by weight of chlorinated polyether, 0.1-0.2 parts of silane coupling agent, 1-10 parts of toughening agent and 1 part ~2 parts of antioxidants are prepared.

[0021] The beneficial effects of this embodiment are: the toughness of the powder coating is improved by adding the toughening agent; the compatibility between the chlorinated polyether and the toughening agent is improved by adding the silane coupling agent.

specific Embodiment approach 2

[0022] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the toughening agent is one or a mixture of high-density polyethylene and chlorinated polyethylene. Others are the same as in the first embodiment.

specific Embodiment approach 3

[0023] Specific embodiment three: the difference between this embodiment and one of specific embodiments one or two is: the antioxidant is triphenyl phosphite, 2,6-di-tert-butyl-4-methylphenol and One of 2,2'-methylenebis(4-methyl-6-tert-butylphenol) or a mixture of several of them. Others are the same as in the first or second embodiment.

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Abstract

The invention provides a chlorinated polyether powder coating as well as a preparation method and a use method thereof, relates to a powder coating as well as a preparation method and a use method thereof, and aims to solve the problem that existing chlorinated polyether coatings for friction-reducing paint cannot achieve the required adhesive force for the friction-reducing paint. The chlorinated polyether powder coating is prepared from chlorinated polyether, a silane coupling agent, a toughening agent and an antioxidant. The preparation method comprises steps as follows: grinding chlorinated polyether, the toughening agent and the antioxidant at a certain temperature and then adding the silane coupling agent for grinding. The use method comprises steps as follows: coating the surface of a part with primer, and then spraying the chlorinated polyether powder coating, performing heating, repeating the spraying and heating s 2-3 times, and performing heating and cooling finally.

Description

technical field [0001] The invention relates to a powder coating and its preparation method and application method. Background technique [0002] Chlorinated polyether is a linear crystalline polymer with the scientific name of poly 3,3-bis(chloromethyl)butoxy ring. Since the molecular structure of chlorinated polyether (CPE) contains 45.5% chlorine, the chloromethyl group is connected to the carbon atoms on the main chain of the molecule without hydrogen atoms, and it is not easy to remove "Cl" when heated, so the heat resistance is high (its Under the condition of strong corrosive medium, it can be used for a long time at 120°C; when there is no strong corrosive medium, it can be used for a short time at 140°C). This symmetrical regular structure on the main chain and the polarity of the chloromethyl group give chlorinated polyether a high melting point, crystallinity, good physical and mechanical properties and outstanding wear resistance. In addition to the above excel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D171/02C09D5/03C09D7/12B05D7/24
CPCB05D7/24B05D7/54B05D2451/00B05D2518/00B05D2602/00C08L2205/08C08L2207/062C09D5/033C09D7/48C09D171/02C08L23/06C08K5/526C08K5/544B05D2401/10B05D2401/32
Inventor 孙东洲孔宪志吕虎孙禹李岳于国良张立颖张智
Owner INST OF PETROCHEM HEILONGJIANG ACADEMY OF SCI
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