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Weather-resistant fluorine-carbon powder coating and preparation method thereof

A powder coating and fluorocarbon technology, applied in powder coatings, coatings and other directions, can solve the problem that the weather resistance of powder coatings is not too superior, and achieve the effects of long outdoor service life, excellent mechanical properties, and simple preparation methods.

Inactive Publication Date: 2018-04-03
HEBEI HANGUANG HEAVY IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the existing powder coatings are not too superior in terms of weather resistance. Fluorocarbon powder coatings are recognized as super weather-resistant coatings at home and abroad, and their outdoor performance has been widely verified.

Method used

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  • Weather-resistant fluorine-carbon powder coating and preparation method thereof
  • Weather-resistant fluorine-carbon powder coating and preparation method thereof
  • Weather-resistant fluorine-carbon powder coating and preparation method thereof

Examples

Experimental program
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Embodiment 1

[0020] According to parts by weight, 55 parts of Asahi Glass Co., Ltd.'s fluorocarbon resin LF740, 12 parts of curing agent LC-1530 of Shandong Longcai New Material Co., Ltd., 1 part of leveling agent LC-88 of Shandong Longcai New Material Co., Ltd., 28 parts of rutile titanium dioxide, 1 part of benzoin LC-BENZOIN from Shandong Longcai New Material Co., Ltd., 0.6 part of C.I Pigment Yellow 31, 0.2 part of C.I Pigment Red 48:2, 0.2 part of carbon black MA100, 2 parts of Shandong Longcai New The anti-interference agent LC-244A of Material Co., Ltd. was added to the mixer, mixed and crushed for 10 minutes to obtain a uniform mixture; added to the extruder, and melted and extruded: the temperature of the first zone was controlled at 105 ° C, and the temperature of the second zone was controlled At 115°C; then crushed by tableting, the hot-melt material extruded from the extruder is rolled by the rollers of the tableting machine to form a ribbon with a thickness of 1mm to 2mm, and ...

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Abstract

The invention relates to a weather-resistant fluorine-carbon powder coating and a preparation method thereof and belongs to the technical field of powder coatings. The formula of the coating comprisesthe following components: 50-60 parts of a fluorine-carbon resin, 10-15 parts of a curing agent, 20-28 parts of packing, 0.1-2 parts of a pigment, 1-2 parts of a leveling agent, 0.5-1 part of benzoinand 0.5-2 parts of an anti-interference agent. The preparation method comprises the following steps: uniformly mixing the formula components, uniformly crushing, and performing melting extrusion by using an extruder; rolling an extruded hot molten substance by using a tablet press so as to obtain a stripy substance, cooling to the room temperature, and crushing so as to obtain a flaky material; crushing the flaky material into powder, screening, and grading, thereby obtaining the coating. The coating has the characteristics of being simple in formula, simple in preparation method, excellent in mechanical property, good in ultra weather resistance, long in outdoor service life, and the like.

Description

technical field [0001] The invention relates to a weather-resistant fluorocarbon powder coating and a preparation method thereof, belonging to the technical field of powder coatings. Background technique [0002] Powder coating is a solvent-free 100% solids powder coating. It has the characteristics of no solvent, no pollution, recyclable, environmental protection, saving energy and resources, reducing labor intensity and high mechanical strength of the coating film. Widely used in home appliances, automobiles, ships, pipelines, construction projects, outdoor facilities and general industrial products. Relying on the principle of electrostatic adsorption, the atomized powder is emitted from the spray gun, adsorbed to the workpiece to be sprayed, and then enters the high-temperature curing box for complete curing and film formation. Forms a uniform, fine and tight surface coating. [0003] However, the existing powder coatings are not very superior in terms of weather resi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D127/12C09D5/03C09D7/61
CPCC09D127/12C08K3/04C08K2003/2241C08L2201/08C09D5/03C09D5/035
Inventor 马春霞王磊邓昊周国栋周艳彬
Owner HEBEI HANGUANG HEAVY IND
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