Environmental-protection curtain-coating finish paint and preparation method thereof

It is an environmental protection technology of curtain coating, applied in the field of coatings, which can solve the problems of easy whitening, large loss, easy to bite the bottom of the paint film, etc., and achieve excellent drying effect

Inactive Publication Date: 2018-03-02
陈春梅
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the flow coating topcoats on the market generally have the disadvantages of l

Method used

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  • Environmental-protection curtain-coating finish paint and preparation method thereof
  • Environmental-protection curtain-coating finish paint and preparation method thereof
  • Environmental-protection curtain-coating finish paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0012] The present invention will be described in detail below in conjunction with embodiments.

[0013]

[0014]

[0015] The above embodiment adopts the following preparation process: firstly mix the solvents, and slowly add nitrocellulose for 1 / 4 second while stirring with a disperser. After 1 / 4 second the nitrocellulose is completely dissolved, add the hydroxy alkyd resin and aldehyde while stirring. For the ketone resin, after the hydroxy alkyd resin and the aldehyde ketone resin are dissolved, add the additives in turn while stirring, and stir evenly.

[0016] The varnishes prepared in the above three examples are mixed with the thinner in a volume ratio of 1:3 to obtain the finished topcoat directly used for construction. The formula of the diluent, based on 100% by volume, is composed of 20% ethyl acetate, 10% methyl isobutyl ketone, 10% methyl pentanol, 30% isopropanol, and 30% isobutanol.

[0017]

[0018] As shown in the above table, the topcoat of the present invention h...

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Abstract

The invention relates to a coating. An environmental-protection curtain-coating finish paint with good comprehensive performance is composed of a varnish and a diluent, wherein the varnish is composedof the following components by the mass percentage: 10-20% of hydroxyl alkyd resin, 20-25% of aldehyde ketone resin, 3-5% of amino resin, 20-35% of 1/4 second nitrocotton, 5.5%-15% of an auxiliary agent, 20-35% of a solvent, and 5-10% of a color paste. The prepared curtain-coating finish paint has excellent dryness, glossiness, fullness and adhesion force by screening a suitable resin system anda suitable solvent system.

Description

technical field [0001] The present invention relates to a coating. Background technique [0002] At present, the flow coating topcoats on the market generally have the disadvantages of large loss during construction, easy to bite the bottom of the paint film, and easy to turn white. Contents of the invention [0003] Based on this, the technical problem to be solved by the present invention is to provide an environment-friendly flow coating topcoat with good comprehensive performance and a preparation method thereof. [0004] An environmentally friendly topcoat with excellent comprehensive performance, which is composed of varnish and diluent, and the varnish is composed of the following components in mass percentage: 10-20% of hydroxyl alkyd resin, 20-25% of aldehyde and ketone resin, amino resin 3-5%, 1 / 4 second nitrocellulose 20~35%, additive 5.5%~15%, solvent 20~35%, color paste 5~10%. The resin in this formula can significantly improve the dryness, gloss, fullness a...

Claims

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Application Information

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IPC IPC(8): C09D101/18C09D161/02C09D167/08C09D161/20
CPCC08L2205/02C08L2205/035C09D101/18C09D161/02C08L61/02C08L67/08C08L61/20C08L1/18
Inventor 陈春梅
Owner 陈春梅
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