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Poaching-resistant powder coating composition

A technology of powder coatings and compositions, applied in the direction of powder coatings, polyester coatings, coatings, etc.

Pending Publication Date: 2021-04-27
TIGER NEW SURFACE MATERIALS QINGYUAN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when it is applied to some specific product fields, it usually has special requirements for its water boiling resistance, which cannot be achieved by conventional powder coating products.

Method used

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  • Poaching-resistant powder coating composition
  • Poaching-resistant powder coating composition
  • Poaching-resistant powder coating composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment 1: a kind of boil-resistant powder coating composition, comprise the dry mixed mixture of component A powder coating and component B powder coating, the weight ratio between component A powder coating and component B powder coating is 1: 1; Among them, please refer to the following table 1a for the formulation raw materials of component A powder coating, and please refer to the following table 1b for the formulation raw materials of component B powder coating:

[0027] Formulation of component A powder coating in table 1a embodiment 1

[0028] Raw material type parts by weight Specific raw material model The first component A polyester resin 300 Available from DSM with an acid value in the range of 30-40 mgKOH / g Second component A polyester resin 300 Purchased from Excalibur, its acid value ranges from 18-24 mgKOH / g TGIC 35 purchased from the market Isocyanate compound 30 The model is VESTAGON B1530 leveling ag...

Embodiment 2

[0034] Embodiment 2: A kind of boiling-resistant powder coating composition, all the other technical schemes are the same as embodiment 1, the difference is that in this embodiment 2, the weight ratio between component A powder coating and component B powder coating is 1 :3.

Embodiment 3

[0035] Embodiment 3: A kind of boiling-resistant powder coating composition, all the other technical schemes are the same as embodiment 1, the difference is that in this embodiment 3, the weight ratio between component A powder coating and component B powder coating is 3 :1.

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Abstract

The invention discloses a poaching-resistant powder coating composition. The poaching-resistant powder coating composition at least comprises thermosetting resin, a curing agent for crosslinking and curing of the thermosetting resin, and pigments and fillers, wherein the pigments and fillers comprise aluminum hydroxide and a hydrophobic coated pigment. According to the invention, the aluminum hydroxide filler and the hydrophobic coated pigment have a synergistic effect in a cured coating film; the raw materials have excellent hydrophobicity; and meanwhile, the compactness of a coating film can be remarkably improved, water vapor can be effectively prevented from penetrating through the coating, and the poaching resistance of the coating film is effectively improved.

Description

technical field [0001] The invention belongs to the field of powder coatings, in particular to a boiling-resistant powder coating composition. Background technique [0002] Thermosetting powder coatings are widely used to replace paints and water-based paints to achieve protective decoration for products in various fields due to their advantages of environmental protection, low energy consumption, convenient construction and no VOC emissions. However, when it is applied to some specific product fields, there are usually special requirements for its water boiling resistance, which cannot be achieved by conventional powder coating products. [0003] Therefore, the applicant wishes to seek a new technical solution to improve the boiling resistance of powder coatings. Contents of the invention [0004] In view of this, the purpose of the present invention is to provide a kind of boil-resistant powder coating composition, aluminum hydroxide filler and hydrophobic coating type ...

Claims

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Application Information

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IPC IPC(8): C09D167/00C09D5/03C09D7/61C09D7/62
CPCC08K2003/2227C08L2205/025C08L2205/035C08L2312/00C09D5/033C09D167/00C08L67/00C08K3/22C08K9/10C08K3/34C08K13/06
Inventor 邱剑糜震宇
Owner TIGER NEW SURFACE MATERIALS QINGYUAN CO LTD
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