Low-gloss clear finishing coat and preparation method thereof

A clear finish and matte technology, applied in coatings, polyester coatings, etc., can solve the problems of low hardness, affect the appearance, easy to be scratched, etc., achieve good hand feel, strong scratch resistance, and prolong service life Effect

Active Publication Date: 2013-05-15
CHONGQING PINSHENG PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is a common shortcoming in the existing matte paint, which is low hardness and easy to be scratched
Moreover, after long-term

Method used

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  • Low-gloss clear finishing coat and preparation method thereof
  • Low-gloss clear finishing coat and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0018] A kind of matte clear finish paint, is made up of following components: modified alkyd resin 71.5kg, xylene 5.3kg, butyl acetate 4.6kg, dispersant 0.25kg, defoamer 0.10kg, bentonite 4.2kg, matting powder 4.8kg, 1 / 4 nitrocellulose liquid 4.2kg, cyclohexanone 1.8kg, leveling agent 0.40kg, ethylene glycol ethyl ether acetate 1.8kg, drier 0.25kg; In the present embodiment, described leveling agent is made of 0.10 kg of organo-modified siloxane and 0.30 kg of polyether-modified polydimethylsiloxane are mixed, and the drier is dibutyltin dilaurate;

[0019] Described modified alkyd resin is made up of 20kg vegetable oleic acid, 18kg glycerol, 5kg pentaerythritol, 15kg terephthalic acid, 0.1kg hypophosphorous acid, 4kg phthalic anhydride, 5kg benzoic acid, 4.5kg xylene, 20kg acetone and 0.15kg dispersant; Its preparation method is: put vegetable oleic acid, glycerin, pentaerythritol, terephthalic acid and hypophosphorous acid into the reaction kettle, pass inert gas into the r...

example 2

[0022] A matte clear finish paint, consisting of the following components: 72.5kg modified alkyd resin, 4.8kg xylene, 4.8kg butyl acetate, 0.15kg dispersant, 0.20kg defoamer, 3.8kg bentonite, matting powder 5.1kg, 1 / 4 nitrocellulose liquid 3.6kg, cyclohexanone 2.4kg, leveling agent 0.28kg, ethylene glycol ethyl ether acetate 2.1kg, drier 0.15kg; In the present embodiment, described leveling agent is made of 0.20kg of organo-modified siloxane and 0.08kg of polyether-modified polydimethylsiloxane are mixed, and the drier is dibutyltin dilaurate;

[0023] Described modified alkyd resin is made up of 25kg vegetable oleic acid, 15kg glycerol, 6kg pentaerythritol, 10kg terephthalic acid, 0.15kg hypophosphorous acid, 3kg phthalic anhydride, 6kg benzoic acid, 3.5kg xylene, 25kg acetone and 0.1kg dispersant; Its preparation method is with embodiment 1.

[0024] The production method of described matt varnish is the same as in Example 1.

example 3

[0026] A kind of matte clear finish paint, is made up of following components: modified alkyd resin 72kg, xylene 5kg, butyl acetate 5kg, dispersant 0.2kg defoamer 0.15kg, bentonite 4.0kg, matting powder 5.0kg, 1 / 4 nitrocellulose liquid 4.0kg, cyclohexanone 2.0kg, leveling agent 0.35kg; It is prepared by mixing methyl siloxane, 2.0 kg of ethylene glycol ether acetate, and 0.2 kg of drier, which is dibutyltin dilaurate.

[0027] The modified alkyd resin is dispersed by 23kg vegetable oleic acid, 16kg glycerol, 5.5kg pentaerythritol, 12kg terephthalic acid, 0.12kg hypophosphorous acid, 3.5kg phthalic anhydride, 5.5kg benzoic acid, 4.0kg xylene, 22kg acetone and 0.12kg Agent composition; Its preparation method is with embodiment 1.

[0028] The production method of described matt varnish is the same as in Example 1.

[0029] In the above three embodiments, the dispersant adopts the EFKA-4010 dispersant produced by Guangzhou Shenggao Chemical Technology Co., Ltd.; the defoamer a...

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Abstract

The invention discloses a low-gloss clear finishing coat. The low-gloss clear finishing coat comprises the following components in parts by weight: 71.5-72.5 parts of modified alkyd resin, 4.8-5.3 parts of dimethylbenzene, 4.6-5.0 parts of n-butyl acetate, 0.15-0.25 part of dispersing agent, 0.10-0.20 part of antifoaming agent, 3.8-4.2 parts of bentonite, 4.8-5.1 parts of extinction powder, 3.6-4.2 parts of nitro-cotton liquid, 1.8-2.4 parts of cyclohexanone, 0.28-0.40 part of flatting agent, 1.8-2.1 parts of ethylene glycol monoethyl ether acetate and 0.15-0.25 part of dryer. The hardness of the low-gloss clear finishing coat obtained by adopting the special ingredients and the preparation method is twice more than that of the common low-gloss clear finishing coat, the anti-scratching capacity is strong and the service life is greatly prolonged. Meanwhile, the other the other performances also completely satisfy the standards, and the hand feeling is good, and so the low-gloss clear finishing coat is applicable to the decorative field of the solid-wood furniture.

Description

technical field [0001] The invention relates to a paint coating and a preparation method thereof, in particular to a matte varnish and a preparation method thereof. Background technique [0002] Existing furniture generally adopts solid wood or imitation solid wood material to make, and its surface usually adopts paint as surface coating, and the outermost layer is sprayed with high-permeability type varnish to enhance its brightness and smoothness, aesthetics and water resistance are good. However, all kinds of furniture are usually artificially scratched during use, resulting in poor ornamental properties, water resistance, etc., and shortened service life. In order to solve this shortcoming of glossy paint, there is matte paint, and matte paint has a soft visual effect and a good feel and is widely favored. However, there is a common shortcoming in the existing matt paint, which is low hardness and easy to be scratched. Moreover, after long-term use and friction, it wil...

Claims

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Application Information

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IPC IPC(8): C09D167/08C09D101/18C09D7/12C08G63/692C08G63/49
Inventor 陈富友
Owner CHONGQING PINSHENG PAINT
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