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Double-component water-borne acrylic polyurethane coating and preparation method thereof

An acrylic polyurethane, two-component technology, applied in the field of coatings, can solve problems such as no higher coating film performance, and achieve the effects of excellent decoration, improved chemical resistance, and improved gloss of the coating film

Inactive Publication Date: 2017-12-29
嘉兴御创电力科技有限公司
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AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a two-component water-based acrylic polyurethane coating and its preparation method, which solves the technical problem that the existing two-component water-based acrylic polyurethane coating has no higher film performance

Method used

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Embodiment Construction

[0008] Specific embodiments of the present invention will be described in detail below.

[0009] A two-component water-based acrylic polyurethane coating, including a main agent and a curing agent, the main agent includes 80-100 parts of water-based hydroxyacrylic acid dispersion, 1-3 parts of defoaming agent, 1-3 parts of dispersant, 1-3 parts Wetting agent, 30-40 parts of titanium dioxide, 1-3 parts of carbon black, 4-5 parts of deionized water, 3-5 parts of co-solvent, 0.5-1 part of anti-explosion agent and 0.5-1 part of thickener; The curing agent includes 30-50 parts of water-based polyisocyanate curing agent, 5-10 parts of PMA and 5-10 parts of DMM.

[0010] A preparation method for two-component water-based acrylic polyurethane paint, comprising the following steps:

[0011] First, mix the main agent and curing agent with a mass ratio of 5:1, use a mixer to fully stir for 3 to 5 minutes, let stand for 10 minutes to defoam, then add 2% to 2.5% deionized water to stir ev...

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Abstract

The invention discloses a double-component water-borne acrylic polyurethane coating and a preparation method thereof, belongs to the technical field of coatings and aims to solve the technical problem that a conventional double-component water-borne acrylic polyurethane coating is relatively poor in coating property. The double-component water-borne acrylic polyurethane coating comprises a main agent and a curing agent, wherein the main agent comprises 80-100 parts of a water-borne hydroxyl crylic acid dispersion, 1-3 parts of a defoaming agent, 1-3 parts of a dispersant, 1-3 parts of a moistening agent, 30-40 parts of titanium dioxide, 1-3 parts of carbon black, 4-5 parts of deionized water, 3-5 parts of a cosolvent, 0.5-1 part of an anti-explosion agent and 0.5-1 part of a thickening agent; the curing agent comprises 30-50 parts of a water-borne polyisocyanate curing agent, 5-10 parts of PMA (Polymethyl Acrylate) and 5-10 parts of DMM.

Description

technical field [0001] The invention belongs to the technical field of coatings, in particular to a two-component waterborne acrylic polyurethane coating and a preparation method thereof. Background technique [0002] In recent years, my country has successively promulgated a number of environmental protection laws and standards related to coatings and coatings, especially the coating consumption tax implemented on February 1, 2015 and the upcoming sewage charges, which have promoted the development of water-based coatings technology and products. promotional application. Two-component waterborne acrylic polyurethane coatings have the characteristics of low VOC emissions during construction, meet environmental protection standards, excellent mechanical properties of the coating film, high gloss of the coating film, excellent gloss and color retention, etc., and are being widely accepted by the market, but higher coating film The performance of two-component waterborne acryli...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C08G18/62
CPCC08G18/6216C09D175/04
Inventor 不公告发明人
Owner 嘉兴御创电力科技有限公司
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