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High-performance aqueous acrylic polyurethane bicomponent coating material

An acrylic polyurethane, two-component technology, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problems of poor stability, fullness, weather resistance, poor water resistance, and single function of water-based paint, and achieve enhanced wear resistance. properties, film densification, and the effect of improving light resistance and weather resistance

Inactive Publication Date: 2020-02-04
郑州一安水性高分子材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are still technical defects in water-based paints at present, such as paint film gloss, fullness, weather resistance, water resistance, etc. The existing water-based paints in the market have relatively single functions and poor stability, which greatly limits their popularization and application.

Method used

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  • High-performance aqueous acrylic polyurethane bicomponent coating material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Embodiment 1: a kind of high-performance water-based acrylic polyurethane two-component coating, the mass ratio of main agent and water-based polyurethane curing agent is 5:1,

[0029] The composition and weight ratio of the main agent are (the total amount of the formula is based on 100g):

[0030] Polymer emulsion (DIC 570) 60g, silicone dispersion (MOBRID 511) 5g, conventional surface additives (TEGO 820760 4100) 2g, film-forming additives (DOW DPM DPNB) 5g, pigments and fillers (DUPONT706) 20g, ultraviolet light Absorbent (BASF1130) 1g, deionized water 20g, anti-sedimentation agent (AQ633E) 1g, thickener (RHEOLATE299) 1g;

[0031] The curing agent includes the following components by weight (the total amount of the formula is based on 100g):

[0032] Isocyanate curing agent (2655) 80 g, PMA (DOW) 20 g.

[0033] A kind of preparation method of high-performance waterborne acrylic polyurethane two-component paint, comprises the steps:

[0034] The first step: the pr...

Embodiment 2

[0042] Embodiment 2: a kind of high-performance water-based acrylic polyurethane two-component coating, the mass ratio of main agent and water-based polyurethane curing agent is 5:1,

[0043] The composition and mass ratio of the main agent are (the total amount of the formula is calculated as 100g)

[0044] Polymer emulsion (XK540) 60g, silicone dispersion (MOBRID 511) 5g, conventional surface additives (TEGO 820760 4100) 2g, film-forming additives (DOW DPM DPNB) 5g, pigments and fillers (DUPONT706) 20g,

[0045] UV absorber (BASF1130) 1g, deionized water 25g, anti-settling agent (AQ633E) 1g, thickener (RHEOLATE299) 1g.

[0046] The curing agent includes the following components by weight (the total amount of the formula is based on 100g):

[0047] Isocyanate curing agent (2655) 80 g, PMA (DOW) 20 g.

[0048] The preparation method is the same as in Example 1.

Embodiment 3

[0049] Embodiment 3: a kind of high-performance water-based acrylic polyurethane two-component coating, the mass ratio of main agent and water-based polyurethane curing agent is 5:1,

[0050] The composition and mass ratio of the main agent are (the total amount of the formula is based on 100g):

[0051] Polymer emulsion (2470) 60g, silicone dispersion (MOBRID 511) 5g, conventional surface additive (TEGO 820760 4100) 2g, film-forming additive (DOW DPM DPNB) 5g, pigment and filler (DUPONT706) 20g, ultraviolet light absorption Agent (BASF1130) 1g, deionized water 30g, anti-settling agent (AQ633E) 2g, thickener (RHEOLATE299) 1g.

[0052] The curing agent includes the following components by weight (the total amount of the formula is based on 100g):

[0053] Isocyanate curing agent 80 g, PMA (DOW) 20.

[0054] The preparation method is the same as in Example 1.

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Abstract

The invention relates to a high-performance aqueous acrylic polyurethane bicomponent coating material with high glossiness, high plumpness, high weatherability and high ornamental performance capableof improving an appearance value of a workpiece. The high-performance aqueous acrylic polyurethane bicomponent coating material is prepared from a main agent and a curing agent, wherein a mass ratio of the main agent to the curing agent is (3 to 8): 1, hydrophilic aliphatic polyisocyanate serves as the curing agent, the main agent comprises the ingredients in parts by weight: 30-70 parts of polymer emulsion, 0.1-5 parts of surface assistant, 1-15 parts of film forming assistant, 0.1-2 parts of anti-settling agent, 0.1-1 part of thickener, 5-30 parts of pigment / filler, 1-5 parts of organosilicone dispersion, 1-5 parts of ultraviolet absorbent and 20-30 parts of deionized water, and the curing agent comprises 60-80 parts of isocyanate curing agent and 20-40 parts of PMA. According to the high-performance aqueous acrylic polyurethane bicomponent coating material, reinforcement is carried out in the aspects of the polymer emulsion, the organosilicone dispersion and the assistants, thus, water resistance, weather resistance, chemical resistance, hardness and wear resistance of the finished aqueous acrylic-polyurethane bicomponent top coating are improved greatly, and a preparation method for the bicomponent coating material can be applicable to mass production.

Description

technical field [0001] The invention relates to a water-based industrial paint, in particular to a high-performance water-based acrylic polyurethane two-component paint with high gloss, high fullness, high weather resistance, high decoration, and can improve the appearance value of workpieces. Background technique [0002] Traditional solvent-based coatings will release a large amount of volatile organic compounds during the film-forming process, causing pollution to the environment. Water-based industrial coating is an environmentally friendly industrial paint. Its low VOC emission reduces air pollution, reduces the risk of flammability and explosion during transportation and storage, and improves construction safety. Compared with solvent-based paints, water-based paints have great advantages in terms of energy saving and environmental protection. However, there are still technical defects in water-based paints at present, such as poor paint film gloss, fullness, weather ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D7/61C09D7/65C08G18/62
CPCC08G18/6225C08L2201/08C08L2205/025C09D175/04C09D7/61C09D7/65C08L83/04C08K3/36
Inventor 陈帮立时鹏翔赵军圣赵楠王震
Owner 郑州一安水性高分子材料有限公司
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