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Wrinkle type powdery coating and preparation method thereof

A powder coating and wrinkle technology, applied in the field of wrinkled powder, can solve the problems of unstable texture effect of recycled powder, uneven texture, unsatisfactory wrinkle texture effect on the surface of the coating layer, etc., and achieves good three-dimensional effect, uniform wrinkle texture and structure. stable effect

Pending Publication Date: 2018-07-20
HUZHOU JIACHENG POWDER COATINGS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But, because the texture effect that wrinkle-type paint finally presents is affected by many factors, all can have an impact on the texture effect of wrinkle such as the melt viscosity of paint, gel time and powder particle size; When the paint is sprayed, the texture is uneven, and the texture effect of recycled powder is unstable
Therefore, there is the problem that the surface wrinkle texture effect of the coating layer is not ideal in the existing technology

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Example 1. A kind of wrinkle type powder coating, described powder coating is made up of the raw material of following mass parts:

[0022] Epoxy resin, 22-26 parts; polyester resin, 35-40 parts; wrinkle agent, 0.08-0.12 parts; titanium dioxide, 0.3-0.6 parts; carbon black, 0.4-0.6 parts; iron red, 1.8-2.4 parts; Magenta, 0.1-0.3 parts; imidazole catalyst, 0.015-0.025 parts; filler, 35-38 parts; floating agent, 0.18-0.22 parts;

[0023] The embossing agent includes an external embossing agent and an internal embossing agent, and the mass ratio between the external embossing agent and the internal embossing agent is 4.2:1-3.5:1;

[0024] The internal embossing agent is composed of the following raw materials in parts by mass: perfluoroalkyl ethyl acrylate, 70-80 parts; polyamide wax, 15-35 parts, cationic nanoporous oxide dispersion 1-2 parts ;

[0025] The external floating agent is composed of the following raw materials in parts by mass: modified polyacrylate, 75-8...

Embodiment 2

[0044] Example 2. A wrinkled powder coating, the powder coating is composed of the following raw materials in parts by mass: epoxy resin, 25 parts; polyester resin, 35 parts; wrinkle agent, 0.08 parts; titanium dioxide, 0.3 parts; carbon black, 0.4 parts Parts; iron red, 1.8 parts; magenta, 0.1 parts; imidazole catalysts, 0.015 parts; fillers, 37.123 parts; floating agent, 0.182 parts;

[0045] The embossing agent includes an external embossing agent and an internal embossing agent, and the mass ratio between the external embossing agent and the internal embossing agent is 4.2:1;

[0046] The internal embossing agent is composed of the following raw materials in parts by mass: perfluoroalkyl ethyl acrylate, 70 parts; polyamide wax, 15 parts, and cationic nanoporous oxide dispersion 1 part;

[0047] The external floating agent is composed of the following raw materials in parts by mass: modified polyacrylate, 75 parts; hydrogenated nettle oil, 12 parts; sodium lauryl sulfate, ...

Embodiment 3

[0049] Example 3. A kind of wrinkle type powder coating, described powder coating is made up of the raw material of following mass parts:

[0050] Epoxy resin, 24 parts; polyester resin, 38 parts; wrinkle agent, 0.1 part; titanium dioxide, 0.45 part; carbon black, 0.55 part; iron red, 2.1 part; magenta, 0.2 part; imidazole catalyst, 0.02 part ; Filler, 34.58 parts; Embossing agent, 0.2 part;

[0051] The embossing agent includes an external embossing agent and an internal embossing agent, and the mass ratio between the external embossing agent and the internal embossing agent is 3.8:1;

[0052] The internal embossing agent is composed of the following raw materials in parts by mass: perfluoroalkyl ethyl acrylate, 75 parts; polyamide wax, 23 parts, and cationic nanoporous oxide dispersion 2 parts;

[0053] The external floating agent is composed of the following raw materials in parts by mass: modified polyacrylate, 80 parts; hydrogenated nettle oil, 15 parts; sodium lauryl s...

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Abstract

The invention discloses a wrinkle type powdery coating and a preparation method thereof. The powdery coating comprises, by mass, 22-26 parts of epoxy resin, 35-40 parts of polyester resin, 0.08-0.12 part of a wrinkling agent, 0.3-0.6 part of titanium dioxide, 0.4-0.6 part of carbon black, 1.8-2.4 parts of iron red, 0.1-0.3 part of magenta, 0.015-0.025 part of a catalyst, 35-38 parts of a filler and 0.18-0.22 part of a pattern forming agent. The pattern forming agent includes an externally-added pattern forming agent and an intrinsic pattern forming agent. The preparation method comprises the following steps: mixing all raw materials except the externally-added pattern forming agent to obtain a coating mixture; feeding the coating mixture into a twin-screw extruder, and extruding the coating mixture to obtain a coating liquid; cooling the coating liquid, and tableting the coating liquid to obtain a coating tablet; and crushing and screening the coating tablet to obtain a powdery productA, adding the externally-added pattern forming agent to the powdery product A, and performing mixing to obtain the finished powdery coating. The powdery coating can improve the wrinkle texture of thesurface of a coating layer.

Description

technical field [0001] The invention relates to a wrinkle-type powder, in particular to a wrinkle-type powder coating and a preparation method thereof. Background technique [0002] Wrinkle-type coatings use the surface tension or compatibility difference between wrinkle agent and embossing agent and molten coating, thus affecting the melt viscosity and curing speed of the coating, and finally make the surface of the coating wrinkle, which is easy to cover the flat powder coating itself. The defects such as shrinkage cavity and pinhole that appear can also cover the defects caused by the uneven surface of the substrate, and have strong decorative properties. But, because the texture effect that wrinkle-type coating finally presents is affected by many factors, all can have an impact on the texture effect of wrinkle such as the melt viscosity of coating, gel time and powder particle size; When the paint is sprayed, the texture is uneven, and the texture effect of recycled po...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/00C09D163/00C09D5/28C09D5/03C09D7/61C09D7/63C09D7/65B05D1/06
CPCC09D167/00C09D5/033C09D5/28B05D1/06C08K2003/2241C08K2201/011C08L2205/035C08L63/00C08L77/00C08L33/068C08L91/00C08K13/04C08K7/24C08K3/22C08K3/04C08K5/41
Inventor 凌秀军周鹏李鸿斌周国旗张金良
Owner HUZHOU JIACHENG POWDER COATINGS CO LTD
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