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Easy-cleaning aqueous adhesive force enhancing primer and production method thereof

An adhesion-enhancing and easy-to-clean technology, applied in the field of primers, can solve the problems of not mentioning improvement of adhesion, whitening of UV-coated wood eyes, difficult toning of paint liquid, etc., achieving low cost, transparent appearance, improved The effect of adhesion

Inactive Publication Date: 2011-03-30
上海展辰涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Announced as CN101397410 " a kind of water-based UV-curable coating " is the coating that is used to improve adhesion on the thermoplastic substrate, but it does not mention " cleaning " problem, also is not used for wooden substrate; CN1844229A announces " A UV-curable water-based resin composition", the appearance is milky white or milky white with blue light, and the milky white resin is prone to the following defects when used: 1. The paint itself is milky white and difficult to color; 2. The paint itself is milky white , on the substrate with deep wood eyes, when there are more paint liquid residues, ultraviolet light is not easy to penetrate, resulting in white wood eyes in the later UV coating
CN101412861A also announced a "water-based UV-curable coating", which is only used for ordinary film-forming materials, and does not mention improving adhesion, nor does it mention the "cleaning" problem

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Raw material weight percentages are as follows:

[0028] Water 67.6%

[0029] Propylene Glycol 1.0%

[0030] Defoamer TEGO810 0.1%

[0031] Bactericidal preservative K-20 0.2%

[0032] Thickener A HBR250 0.8%

[0033] PH value adjuster AMP-95 0.2%

[0034] Water-based UV resin SR344 30.0%

[0035] Thickener PU40 0.1%

[0036] The specific production process is: (1) First add water, K-20, propylene glycol, and Tego810 into the tank and mix evenly, then add HBR250 under stirring, stir evenly and disperse at a medium speed for 5-10 minutes;

[0037] (2) Then add AMP-95 and SR344, stir and disperse, add PU40 and water to adjust the viscosity to 60~65KU / 25℃ to obtain the product.

[0038] The test results are as follows:

[0039] Solid content: 31.2% GB / T 1725-79 (method B)

[0040] Appearance: water white transparent semi-fluid GB 1727-79

[0041] During roller coating construction, the dilution ratio is primer: water = 1:1 ~ 1.5, and the adhesion between UV coati...

Embodiment 2

[0043] Raw material weight percentages are as follows:

[0044] Water 56.9%

[0045] Propylene Glycol 2.0%

[0046] TEGO810 0.1%

[0047] K-20 0.2%

[0048] HBR250 0.5%

[0049] AMP-95 0.2%

[0050] SR344 40.0%

[0051] PU40 0.1%

[0052] The preparation method is the same as in Example 1, and the viscosity can be adjusted to 60-65KU / 25°C.

[0053] The test results are as follows:

[0054] Solid content: 40.6% GB / T 1725-79 (method B)

[0055] Appearance: water white transparent semi-fluid GB 1727-79

[0056] During roller coating construction, the dilution ratio is primer: water = 1:1~2, and the adhesion between UV coating and substrate: ≤ grade 1.

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PUM

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Abstract

The invention provides easy-cleaning aqueous adhesive force enhancing primer and a production method thereof. The primer comprises the following ingredients in percentage by weight: 30 to 40 percent of aqueous UV (ultraviolet) resin, 1 to 2 percent of alcohol solvents, 56 to 68 percent of water, 0.5 to 1.2 percent of thickeners A and 0.1 to 0.3 percent of thickeners B. The easy-cleaning aqueous adhesive force enhancing primer for ultraviolet curing has the following advantages of transparent appearance, environment protection, no odor, water dilution, high dilution proportion and low cost, is easy to clean and can greatly enhance the adhesive force of ultraviolet curing coatings and substrates.

Description

technical field [0001] The invention relates to a primer, in particular to a water-based primer for ultraviolet curing (UV) and a production method thereof. Background technique [0002] Ultraviolet curing (UV) coating has developed rapidly in recent years, especially in the production of flat furniture and wooden floors, due to its advantages of high hardness, short recoating time, and high production efficiency. However, in the production process of UV coating, the adhesion of UV paint on many substrates with hard materials, few pores or grease is often not good, which has become a resistance to its development. In the industry, water-based UV resins are generally used as primers to improve adhesion, and this method has been widely recognized in the industry. Announced as CN101397410 " a kind of water-based UV-curable coating " is the coating that is used to improve adhesion on the thermoplastic substrate, but it does not mention " cleaning " problem, also is not used for...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/00C09D7/12C09D5/00C09D5/14
Inventor 伍忠岳
Owner 上海展辰涂料有限公司
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