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Powder coating with bonding metal effect

A metal effect, powder coating technology, applied in the field of coatings, can solve the problems of electrostatic spraying construction difficulties, particle size, chargeability, specific gravity and other problems, and achieve the effect of less free content, good floating effect, and stable color difference.

Inactive Publication Date: 2018-08-07
佛山市南海嘉多彩粉末涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the addition of effect pigments, the base powder cannot completely wet and coat the effect pigments, and the particle size, chargeability, and specific gravity of the two are different, which will cause difficulties in electrostatic spraying

Method used

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  • Powder coating with bonding metal effect

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The composition of the transparent base powder is as follows:

[0029]

[0030]

[0031] Carboxyl polyester for transparent powder 1: SJ4213, product of Anhui Shenjian New Materials Co., Ltd.;

[0032] TGIC: product of Huangshan Huahui Technology Co., Ltd.;

[0033] Hydroxypolyester 2 for transparent powder: SJ1100, product of Anhui Shenjian New Material Co., Ltd.;

[0034] Polyisocyanate curing agent: VESTAGON BF 1530, product of German Evonic Company;

[0035] Special oligoethers leveling agent: 486CFL, the product of American Troy Company;

[0036] Wetting accelerator: 701B, product of Ningbo Nanhai Chemical Co., Ltd.;

[0037] Benzoin: a commercially available industrial grade product.

[0038] The preparation process of the bonding metallic effect powder coating comprises the following steps:

[0039] S1, preparation of transparent base powder

[0040] After distributing the ingredients of the transparent base powder, put them into a high-speed mixer ...

Embodiment 2

[0049] The composition of the transparent base powder is as follows:

[0050]

[0051]

[0052]Carboxyl polyester for transparent powder 1: SJ4213, product of Anhui Shenjian New Materials Co., Ltd.;

[0053] TGIC: product of Huangshan Huahui Technology Co., Ltd.;

[0054] Hydroxypolyester 2 for transparent powder: SJ1100, product of Anhui Shenjian New Material Co., Ltd.;

[0055] Polyisocyanate curing agent: VESTAGON BF 1530, product of German Evonic Company;

[0056] Special oligoethers leveling agent: 486CFL, the product of American Troy Company;

[0057] Wetting accelerator: 701B, product of Ningbo Nanhai Chemical Co., Ltd.;

[0058] Benzoin: a commercially available industrial grade product.

[0059] The preparation process of the bonding metallic effect powder coating comprises the following steps:

[0060] S1, preparation of transparent base powder

[0061] After distributing the various components of the transparent base powder, put them into a high-speed ...

Embodiment 3

[0067] The composition of the transparent base powder is as follows:

[0068]

[0069] Carboxyl polyester for transparent powder 1: SJ4213, product of Anhui Shenjian New Materials Co., Ltd.;

[0070] TGIC: product of Huangshan Huahui Technology Co., Ltd.;

[0071] Hydroxypolyester 2 for transparent powder: SJ1100, product of Anhui Shenjian New Material Co., Ltd.;

[0072] Polyisocyanate curing agent: VESTAGON BF 1530, product of German Evonic Company;

[0073] Special oligoethers leveling agent: 486CFL, the product of American Troy Company;

[0074] Wetting accelerator: 701B, product of Ningbo Nanhai Chemical Co., Ltd.;

[0075] Benzoin: a commercially available industrial grade product.

[0076] The preparation process of the bonding metallic effect powder coating comprises the following steps:

[0077] S1, preparation of transparent base powder

[0078] After distributing the various components of the transparent base powder, put them into a high-speed mixer and m...

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Abstract

The invention discloses a powder coating with a bonding metal effect. The powder coating with the bonding metal effect comprises 80-99% of transparent base powder and 1-20% of effect pigment. The transparent base powder comprises the following raw material components in percentages by weight: 60-90% of special carboxyl polyester 1 for transparent powder, 5-7% of TGIC, 10-30% of special hydroxyl polyester 2 for transparent powder, 1.5-4.5% of a polyisocyanates curing agent, 0.8-1.5% of a special low polyether flatting agent, 0.3-1.5% of a wetting accelerator and 0.2-0.8% of benzoin. By cooperation of two polyesters and two curing agents, the comprehensive physical property of the coating is adjusted, large surface tension is obtained during fusion of the coating, floating of the effect pigment is facilitated, and thus, a metal surface effect can be shown; and moreover, by cooperative adjustment through the carboxyl polyester and the hydroxyl polyester, good floating effect and excellentleveling property and plumpness are achieved.

Description

technical field [0001] The invention belongs to the technical field of coatings, in particular to a bonding metal effect powder coating. Background technique [0002] Paint VOCs emissions will cause harm to the environment and human health, and are slowly withdrawing from the paint market under the pressure of environmental protection policies and taxes. [0003] Powder coating has the advantages of four E (Economy, Ecology, Efficiency, and Excellence), and it is the current market choice to replace paint. [0004] Liquid metal paint has special rheological properties, low viscosity, good wettability, and a large amount of effect pigment is added. The construction of liquid-gas mixed carrier is still not affected by the process, but metal powder paint uses solid as the carrier. With the addition of effect pigments, the base powder cannot completely wet and coat the effect pigments, and the particle size, chargeability, and specific gravity of the two are different, which wi...

Claims

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Application Information

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IPC IPC(8): C09D167/00C09D5/46C09D7/63
Inventor 李亮坚
Owner 佛山市南海嘉多彩粉末涂料有限公司
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