Transparent polyurethane primer and preparation method thereof

A polyurethane and clear paint technology, used in polyurea/polyurethane coatings, coatings, etc., can solve the problems of poor fullness, low hardness, poor wear resistance and chemical resistance, and achieve excellent wear resistance and adhesion. The effect of strength and weather resistance, smooth and plump coating film, and high solid content

Inactive Publication Date: 2014-04-23
广西宾阳县荣良农业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the deficiencies in the above existing products and overcome the problems of poor wear resistance and chemical resistan

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Polyurethane aliphatic cross-linked resin 60 parts

[0019] 8 parts deionized water

[0020] Pigment, filler 15 parts

[0021] Wax emulsion 5 parts

[0022] 0.2 parts of defoaming and antifoaming agent

[0023] Preservative 0.1 part

[0024] pH adjuster 0.1 parts

[0025] Coalescing aid 0.5 parts

[0026] Rheological additive 0.5 parts

[0027] Leveling agent 0.6 parts

[0028] 1 part thickener

[0029] Weigh polyurethane aliphatic cross-linked resin, add film-forming aids, defoaming and anti-foaming agents, preservatives, flavors, pH regulators at 800rpm, stir for 30 minutes, then add wax emulsion, pigments, fillers, and stir at 2000rpm After 30 minutes, until the particle size is less than 30 μm, add rheological additives, leveling agents and deionized water, continue to disperse for 10 minutes, reduce the rotation speed to 600 rpm, add thickener to adjust viscosity, and defoam, that is.

Embodiment 2

[0031] Polyurethane aliphatic cross-linked resin 70 parts

[0032] 13 parts deionized water

[0033] Pigment, filler 20 parts

[0034] Wax emulsion 8 parts

[0035] 1 part antifoaming agent

[0036] 1 part preservative

[0037] 1 part pH adjuster

[0038] Coalescing aid 2 parts

[0039] Rheological additive 0.5 parts

[0040] Leveling agent 0.5 parts

[0041] thickener 2 parts

[0042] Preparation method is the same as embodiment 1

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PUM

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Abstract

The invention discloses transparent polyurethane paint. The polyurethane aliphatic crosslinking type resin one-component paint, compared with linear polyurethane coating, is better than other series of coatings on aspects of paint film hardness, boiling water resistance, solvent resistance, light and color retention, resistance to firing of cigarette butts, infusion resistance and the like. Moreover, the solid component is high, the construction procedures are reduced, the transparent polyurethane paint can be rapidly dried at normal temperature, and a paint film is flat and full.

Description

technical field [0001] The invention relates to a paint, in particular to a polyurethane transparent paint. Background technique [0002] Wood paint is a special paint with water as the dispersion medium. It does not contain harmful substances such as benzene, xylene, and free TDI. It is a truly ecological and environmentally friendly paint. It is non-flammable and non-explosive, and has the characteristics of large painting area and can be used on the same day of painting. [0003] Water-based wood lacquers mainly include water-based acrylic and polyurethane systems in the market. Water-based acrylic has become the main product in the market due to its low cost and environmental protection. However, due to its poor abrasion resistance and chemical resistance, low hardness and poor fullness, it cannot meet people's requirements for high quality. Contents of the invention [0004] In order to solve the deficiencies in the above existing products and overcome the problems ...

Claims

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Application Information

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IPC IPC(8): C09D175/04C09D7/12
Inventor 李益忠丘秋燕梁志坚
Owner 广西宾阳县荣良农业科技有限公司
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