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A kind of preparation method based on water-based one-component polyurethane wood lacquer

A polyurethane and wood paint technology, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problems affecting the opening effect and chemical properties of products, and achieve the effects of improving physical properties, improving opening effects, and increasing chemical resistance

Active Publication Date: 2014-10-01
GUANGDONG MAYDOS BUILDING MATERIALS LTD CO
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  • Claims
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AI Technical Summary

Problems solved by technology

Ordinary preparation process will affect the opening effect and chemical properties of the product

Method used

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  • A kind of preparation method based on water-based one-component polyurethane wood lacquer

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Embodiment 1

[0024] The water-based one-component polyurethane wood lacquer of the embodiment of the present invention is composed of the following components by weight: 81% of water-based one-component polyurethane, 1% of epoxy siloxane, 1.5% of water-soluble silicone, and 16.5% of water.

[0025] The preparation method of the water-based one-component polyurethane wood varnish based on the embodiment of the present invention is:

[0026] (1) Prepare raw materials: water-based one-component polyurethane dispersion, epoxy siloxane, water-based silicone, water;

[0027] (2) Under normal temperature conditions, firstly put into water-based one-component polyurethane dispersion;

[0028] (3) under the rotating speed of 350-650 per minute, put into epoxy siloxane and water-based organosilicon sequentially in proportion;

[0029] (4) Then, at a rotating speed of 700-1400 per minute, disperse at a high speed for 15 minutes, control the temperature below 50 °C, and control the fineness to be les...

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Abstract

The invention provides a preparation method based on water-based one-component polyurethane wood lacquer, which belongs to the field of water-based wood lacquer manufacturing. In order to improve product quality and production efficiency, a kind of preparation technology based on water-based one-component polyurethane wood lacquer of the present invention comprises the following steps: (1) preparing raw materials; (2) under normal temperature conditions, at first drop into water-based one-component polyurethane Dispersion; (3) at a speed of 350-650 per minute, add water-soluble cellulose ether or epoxy siloxane, water-based silicone in proportion; (4) at a speed of 700-1400 per minute , disperse at high speed for 15 minutes, control the temperature below 50°C, and control the fineness to be less than or equal to 25 microns; (5) After the detection fineness reaches 25 microns or less, reduce the dispersion speed to 400 rpm, put in water, and disperse for 10 minutes; (6) Take out the material from the disperser, filter and pack with a 300-mesh filter screen. The water-based one-component polyurethane wood paint obtained by the preparation process provided by the invention improves the product physical properties of the water-based one-component polyurethane.

Description

technical field [0001] The invention relates to a manufacturing method based on water-based single-component polyurethane wood varnish, belonging to the field of water-based wood varnish manufacture. technical background [0002] With the improvement of people's quality of life and high attention to health, the future home decoration and furniture coatings market must be the world of water-based paint. The promotion of water-based wood coatings is very beneficial to the rational use of resources and the improvement of environmental sanitation. Due to the enhanced operability of the construction of water-based wood coatings, well-known domestic decoration companies plan to use water-based wood coatings in an all-round way, and train painters to form a corresponding construction team to launch a water-based movement. Today, with the increasing emphasis on coating safety and environmental protection indicators, water-based wood coatings are gradually being accepted by the mark...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/04C09D101/26C09D7/12
Inventor 周伟建詹朝任符传杰
Owner GUANGDONG MAYDOS BUILDING MATERIALS LTD CO
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