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Thermosetting powder paint and processing technology thereof

A technology of thermosetting powder and processing technology, which is applied in powder coatings, polyester coatings, epoxy resin coatings, etc., and can solve the problems of powder coatings such as vividness, brightness, three-dimensional effect, inability to completely replace paint, and no paint. Achieve strong three-dimensional effect, improve gloss, and prevent chromatic aberration

Inactive Publication Date: 2016-09-28
杭州千姿塑粉有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing thermosetting powder coatings are generally made into powder by one process and then packaged. In the past, powder coatings have low vividness, brightness, and three-dimensional effect, and have no feeling of paint, so they cannot completely replace paint.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A thermosetting powder coating consisting of the following components in parts by mass: 80 parts of epoxy resin, 2 parts of aluminum powder, 15 parts of pigment and filler, 3 parts of curing agent, 0.4 part of leveling agent, 0.4 part of brightening agent, wax 0.4 parts of powder, 0.4 parts of benzoin.

[0027] The processing technology of this powder coating comprises the following steps:

[0028] 1) Mix 80 parts of epoxy resin, 15 parts of pigments and fillers, 3 parts of curing agent, 0.4 parts of leveling agent, 0.4 parts of brightening agent, 0.4 parts of wax powder, and 0.4 parts of benzoin, then put them into the mixing tank and stir to form the first material;

[0029] 2) The first mixed material is transported to the melt extruder by the conveyor belt and then melted and extruded by the melt extruder;

[0030] 3) The first material after melt extrusion is crushed after being cooled and compressed, and the crushed material is sent to the grinder to be ground i...

Embodiment 2

[0039] A thermosetting powder coating, consisting of the following components in parts by mass: 60 parts of polyester resin, 1 part of pearlescent powder, 30 parts of pigments and fillers, 2 parts of curing agent, 0.35 parts of leveling agent, 0.35 parts of brightening agent, wax 0.35 parts of powder, 0.35 parts of benzoin.

[0040] The processing technology of this powder coating comprises the following steps:

[0041] 1) Mix 60 parts of polyester resin, 30 parts of pigments and fillers, 2 parts of curing agent, 0.35 parts of leveling agent, 0.35 parts of brightening agent, 0.35 parts of wax powder, and 0.35 parts of benzoin, then put them into the mixing tank and stir to form the first material;

[0042] 2) The first mixed material is transported to the melt extruder by the conveyor belt and then melted and extruded by the melt extruder;

[0043] 3) The first material after melt extrusion is crushed after being cooled and compressed, and the crushed material is sent to the...

Embodiment 3

[0052] A thermosetting powder coating, consisting of the following components in parts by mass: 100 parts of polyurethane resin, 3 parts of aluminum powder, 10 parts of pigment and filler, 10 parts of curing agent, 0.5 parts of leveling agent, 0.5 parts of brightening agent, wax powder 0.5 parts, benzoin 0.5 parts.

[0053] The processing technology of this powder coating comprises the following steps:

[0054]1) Mix 100 parts of resin, 10 parts of pigments and fillers, 10 parts of curing agent, 0.5 parts of leveling agent, 0.5 parts of brightening agent, 0.5 parts of wax powder, and 0.5 parts of benzoin into the mixture Stir and mix in the tank to form the first material;

[0055] 2) The first mixed material is transported to the melt extruder by the conveyor belt and then melted and extruded by the melt extruder;

[0056] 3) The first material after melt extrusion is crushed after being cooled and compressed, and the crushed material is sent to the grinder to be ground int...

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PUM

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Abstract

The invention belongs to the field of powder paint and particularly relates to a processing technology of thermosetting powder paint. The thermosetting powder paint is prepared from, by mass, 60-100 parts of resin, 0.1-10 parts of metallic pigment and / or pearl powder, 0.1-30 parts of color filler, 1-5 parts of an auxiliary and 0.1-10 parts of a curing agent, wherein the auxiliary is prepared from, by mass, 0.35-0.5 part of a flatting agent, 0.35-0.5 part of a gloss enhancer, 0.35-0.5 part of wax powder and 0.35-0.5 part of benzoin. Silver powder is added into the components of the pain to improve the glossiness of the paint; besides, powder prepared with the technology with multiple procedures is bound, so that the paint is not likely to separate, and color differences are avoided; the glossiness of the powder paint is 500 degrees or above, the powder paint has the oil paint texture colorful, bright and high in three-dimensional sense, and the defects of poor colorfulness, brightness and three-dimensional sense of previous powder paint are overcome.

Description

technical field [0001] The invention belongs to the field of powder coatings, in particular to a thermosetting powder coating and a processing technology thereof. Background technique [0002] Thermosetting powder coating refers to the use of thermosetting resin as a film-forming substance, adding a curing agent for crosslinking reaction and heating to form an insoluble and infusible hard coating. At higher temperatures, the coating does not soften like thermoplastic coatings, but only decomposes. Since the resin used in thermosetting powder coatings is a prepolymer with a low degree of polymerization and a low molecular weight, the leveling property of the coating is better and the decoration is better, and after the low molecular weight prepolymer is cured, It can form network cross-linked macromolecules, so the coating has better anti-corrosion and mechanical properties. Therefore, the development of thermosetting powder coatings is particularly rapid. [0003] Existin...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D167/00C09D175/04C09D7/12C09D5/03
CPCC09D163/00C09D5/032C09D167/00C09D175/04C08L91/06C08K13/02C08K2003/0812
Inventor 钟佩霞
Owner 杭州千姿塑粉有限公司
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