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Flowing anti-caking auxiliary agent for powder paint and preparation method thereof

A powder coating and anti-caking technology, which is applied in the direction of polyester coating, epoxy resin coating, coating, etc., can solve the problems of fog and shadow on the surface of the coating film, poor anti-coagulation and agglomeration, and high cost. It achieves the effect of improving charging and corner coverage, good anti-coagulation and particle performance, and reducing investment cost

Inactive Publication Date: 2017-08-22
江西杰克西新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing powder coatings have the following problems: poor pipeline fluidity, poor anti-coagulation and agglomeration properties, poor storage stability, poor surface leveling of the coating film after film formation, and foggy shadows on the coating film surface The sharpness of the appearance is not ideal; in addition, the existing powder coating flow and anti-caking additives are high in cost and large in specific surface area, which can easily cause dust to fly

Method used

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  • Flowing anti-caking auxiliary agent for powder paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A preparation method for a flow anti-caking additive for powder coatings, comprising the following steps:

[0027] 1) Put 20kg of precipitated silica, 15kg of fumed silica, 10kg of polyamide wax, and 30kg of vinyl bisstearamide into the GHJ-400L mixer with high-speed crushing function (Shandong Shengshida Machinery Co., Ltd. Technology Co., Ltd. equipment, the power of the hybrid motor is 18.5KW, the speed is 480r / min, the power of the high-speed crushing motor is 7.5KW, the speed is 1500r / min).

[0028] 2) Start the mixing motor of the mixer with high-speed crushing function first, mix for 2 minutes, then start the high-speed crushing motor, grind and mix at high speed for 8 minutes, carry out depolymerization and refinement, so that the raw material particles are refined, and each raw material is fully and evenly dispersed to obtain Flowing anti-blocking additive for powder coatings.

[0029] Among them, the average particle size of precipitated silica is 4.5-5.5 mic...

Embodiment 2

[0031] Similar to Example 1, the difference is that the raw materials are composed of: 30 kg of precipitated silica, 10 kg of fumed silica, 20 kg of polyamide wax, and 20 kg of vinyl bisstearamide.

Embodiment 3

[0033] Similar to Example 1, the difference is that the raw material composition is: 40 kg of precipitated silica, 5 kg of fumed silica, 30 kg of polyamide wax, and 10 kg of vinyl bisstearamide.

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Abstract

The invention discloses a flowing anti-caking auxiliary agent for powder paint. The flowing anti-caking auxiliary agent for powder paint is prepared from the following raw material ingredients in parts by weight: 20 to 40 parts of precipitation process white carbon black, 5 to 15 parts of gas phase process white carbon black, 10 to 30 parts of polyamide wax and 10 to 30 parts of N,N-ethylene Bis-stearamide. The invention also discloses a preparation method of the flowing anti-caking auxiliary agent for powder paint.

Description

technical field [0001] The invention relates to the field of powder coatings, in particular to a flow anti-caking additive for powder coatings and a preparation method thereof. Background technique [0002] Powder coating is an environmentally friendly coating that does not contain VOC organic emissions. It has the characteristics of good anti-corrosion performance, high mechanical strength of the coating film, low overall cost, and 100% utilization. Powder coating is a fine powder powder that is sprayed by an electrostatic spraying device and baked to form a film. The existing powder coatings have the following problems: poor pipeline fluidity, poor anti-coagulation and agglomeration properties, poor storage stability, poor surface leveling of the coating film after film formation, and foggy shadow on the coating film surface The sharpness of the appearance is not ideal; in addition, the existing powder coating flow and anti-caking additives have high cost and large specif...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/46C09D7/12C09D167/00C09D163/00
CPCC09D5/033C08K3/36C08K5/20C08K2201/014C08L2205/03C09D167/00C08L63/00C08L77/00C08K13/02
Inventor 王红星
Owner 江西杰克西新材料有限公司
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