Scratch-resistant double-component waterborne glossy varnish and preparation method thereof

A two-component, anti-scratch technology, used in coatings, polyurea/polyurethane coatings, wax coatings, etc., can solve problems such as poor scratch resistance of paint films, development problems of water-based coatings, and poor oil-based coating effects. , to improve the gloss, improve the feel of the paint film and the anti-scratch effect of the surface, and improve the hardness

Inactive Publication Date: 2016-04-20
AODA KOALA PAINT HUIZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the effect of water-based coating, a series of effects such as high gloss, high fullness, and high hardness are much worse than oil-based coating, especially the paint film has poor scratch resistance. Some furniture factories are pursuing high gloss. Polishing treatment is carried out, but the original paint is easy t...

Method used

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  • Scratch-resistant double-component waterborne glossy varnish and preparation method thereof
  • Scratch-resistant double-component waterborne glossy varnish and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0052] Preparation of anti-scratch two-component water-based bright varnish: mix component A and component B according to the NCO / OH equivalent ratio of n(-NCO):n(-OH)=1.6, and let it stand for 5 minutes. Can.

example 2

[0054] Preparation of anti-scratch two-component water-based bright varnish: mix component A and component B according to the NCO / OH equivalent ratio of n(-NCO):n(-OH)=1.5, and let it stand for 5 minutes. Can.

example 3

[0056] Preparation of anti-scratch two-component water-based glossy clear topcoat: Mix component A and component B according to the NCO / OH equivalent ratio of n(-NCO):n(-OH)=1.7, and let it stand for 5 minutes. Can.

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PUM

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Abstract

The invention belongs to the field of coatings and relates to double-component waterborne glossy varnish and a preparation method thereof, in particular to scratch-resistant double-component waterborne glossy varnish and a preparation method thereof. The double-component waterborne glossy varnish comprises a component A and a component B, wherein the component A comprises hydroxyl polyacrylate containing secondary dispersoid, waterborne polyurethane dispersoid, a defoaming agent, a coalescing agent, a wax emulsion, a leveling agent, a thickener and water; the component B comprises propylene glycol diacetate and hydrophilic aliphatic polyisocyanate containing hexamethylene diisocyanate. The varnish has the characteristics of excellent glossiness, high fullness, good varnish film surface effect and the like and also has outstanding scratch resistance.

Description

technical field [0001] The invention belongs to the field of coatings, and relates to a two-component water-based bright clear topcoat and a preparation method thereof. Background technique [0002] In recent years, with the continuous enhancement of people's environmental protection and health awareness, the environmental protection regulations of various countries have become increasingly stringent on VOC restrictions; the use of green and environmentally friendly water-based wood coatings to replace highly polluting oil-based wood coatings is gradually becoming the development of wood coatings. important direction. [0003] But in China, the standard for most people to choose furniture is still the criterion for judging the effect of paint coating on the surface of furniture. In the effect of water-based coating, a series of effects such as high gloss, high fullness, and high hardness are much worse than oil-based coating, especially the paint film has poor scratch resis...

Claims

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Application Information

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IPC IPC(8): C09D175/04C09D123/30C09D123/12C09D127/18C09D191/06C09D7/12C09D7/06C08G18/79C08G18/62C09D7/47
CPCC08G18/6229C08G18/792C08L2205/025C08L2205/035C09D7/47C09D7/65C09D175/04C08L75/04C08L23/30C08L23/12C08L27/18C08L91/06
Inventor 佘其渠陈日云
Owner AODA KOALA PAINT HUIZHOU
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