Modified polyamide powder coating and preparation method thereof

A polyamide powder and polyamide resin technology, applied in polyamide coatings, powder coatings, coatings, etc., can solve problems such as poor production efficiency, low powder coating rate, exposed bottoms and dead ends of parts, and improve production The effect of improving efficiency, overall toughness, and excellent powder loading rate

Inactive Publication Date: 2019-04-05
TIANJIN KINGFA NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are still problems in the market such as low powder feeding rate and poor production efficiency, which lead to parts prone to plastic coating blind spots such as exposed bottom and dead corners.

Method used

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  • Modified polyamide powder coating and preparation method thereof
  • Modified polyamide powder coating and preparation method thereof

Examples

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Embodiment Construction

[0027] Unless otherwise defined, technical terms used in the following embodiments have the same meanings as commonly understood by those skilled in the art to which the present invention belongs. The test reagents used in the following examples are conventional biochemical reagents unless otherwise specified; the experimental methods are conventional methods unless otherwise specified.

[0028] The present invention will be described in detail below with reference to the embodiments.

[0029] Examples 1-7 and the comparative example include the composition and content of the raw materials in Table 1 below. The unit in the table is Kg.

[0030] The sunscreen agent is titanium dioxide, R902, DuPont, USA.

[0031] Other additives are antioxidants, RIANOX 1098 Tianjin Rianlong;

[0032] Boron nitride, hexagonal, with an average particle size of 50nm;

[0033] Silicon carbide, α-silicon carbide crystal form, with an average particle size of 50nm;

[0034] Fibrous toner with h...

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PUM

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Abstract

The invention provides a modified polyamide powder coating and a preparation method thereof. The modified polyamide powder coating comprises, by weight, 40-94 parts of polyamide resin, 3-25 parts of flexibilizers, 1-15 parts of powdering modifiers, 0.5-6 parts of light-screening agents and 0.05-5 parts of other auxiliaries. The modified polyamide powder coating has the advantages of excellent mechanical property and high powdering rate.

Description

technical field [0001] The invention belongs to the field of powder coatings, in particular to a powder coating with polyamide as the main agent. Background technique [0002] Powder coating is a new technology developed in the middle of the 20th century. It is widely used because of its low pollution, simple process and excellent coating performance. It is sprayed on the surface of various metal products to achieve anti-rust, anti-corrosion and beautiful appearance. and other purposes. Powder coating adopts the coating technology of fluidized spraying, which is a method of applying plastic coating to the surface of metal or other materials. The main processing process is to place the powder resin in a container with a porous bottom plate, and blow compressed air with a suitable pressure upward from the bottom of the container to keep the resin particles in a boiling state (fluidized state). After preheating, the parts to be coated are put into the fluidized bed, and after...

Claims

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Application Information

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IPC IPC(8): C09D177/02C09D177/06C09D5/03C09D7/61C09D7/65
CPCC09D177/02C09D177/06C09D5/033C08L2205/06C08L2205/03C08L2205/025C08L2205/035C08K2003/2241C08K2003/385C08K3/38C08K3/22C08K3/34C08K7/06C08L77/06C08K13/02
Inventor 张现军王中林丁超郑一泉左泽强陈飒飒
Owner TIANJIN KINGFA NEW MATERIAL
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