Water-based paint for quick-drying alcohol-resistance plastics and preparation method thereof

A water-based and alcohol-resistant technology, used in coatings and other directions, can solve the problems that the performance cannot meet the requirements of the manufacturer, affect the efficiency of customer equipment utilization and site utilization, and poor drying performance, and achieve good gloss and good durability. Effects of alcohol, good drying and alcohol resistance

Active Publication Date: 2010-06-23
GUANGZHOU KINTE IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are no industrialized water-based plastic coating products in China at present, mainly because: 1. The performance does not meet the requirements of the manufacturer, such as appearance, hardness, alcohol resistance, etc.; 2. The drying perform

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0031] Example 1: Black water-based paint for plastics

[0032] A Preparation of water-based black paste

[0033] Add 0.2 kg of wetting agent BYK349, 35.2 kg of dispersant tego 655, 0.2 kg of tego 810, 29.4 kg of water and 20.0 kg of high-pigment carbon black into a mixing tank with stirring, and after stirring for 30 minutes, transfer to a ball mill and grind to particle size. The diameter is less than 15 microns, and the water-based black paste with a solid content of 20% is prepared for use.

[0034] Preparation of black water-based paint for B plastics

[0035] In the batching tank with stirring, add 40 kg of modified polyacrylate aqueous dispersion resin KT-1, 20 kg of water, 14.0 kg of butyl glycol ether, 0.1 kg of defoamer F-165, 0.15 kg of base material moisturizing agent Wetting agent AC-1, 0.15 kg of leveling agent, 2 kg of ethanol and 0.8 kg of propylene glycol methyl ether, after stirring for 20 minutes, add 5.6 kg of the aqueous black slurry of the above step A ...

Example Embodiment

[0040] Example 2: Silver plastic water-based paint

[0041] A Preparation of Aqueous Silver Paste

[0042] Weigh 6kg of Aika water-based aluminum paste hydrolan 9154, 6kg of ethylene glycol butyl ether and n-butanol, 4kg of deionized water, and 0.2kg of silver powder dispersant into a mixing tank with stirring, stir until it is completely mixed, and then transfer to a ball mill for ball milling After 1 to 3 hours, water-based silver paste is prepared for use.

[0043] Preparation of water-based paint for B silver plastic

[0044] Take another 60kg of modified polyacrylic resin aqueous dispersion KT-2, in the batching tank with stirring, add 10kg of water, 5kg of propylene glycol phenyl ether, 0.2kg of dispersant AC-1, 0.5kg of defoamer DF-02, Stir for 15 minutes; add the above water-based silver paste, continue stirring for 20 minutes, adjust the viscosity to 40 seconds with 0.5 kg of thickener tego 3030 (coating -4 cups, 25°C). The pH value was adjusted to 7.6 with 10% AMP...

Example Embodiment

[0049] Example 3: Matte black water-based paint for plastics

[0050] A Preparation of water-based black paste

[0051] Add 0.2 kg of wetting agent BYK349, 35.2 kg of dispersant tego 655, 0.2 kg of dispersant tego 810, 29.4 kg of water and 20.0 kg of high-pigment carbon black into the mixing tank. After stirring at high speed for 30 minutes, transfer to a ball mill for grinding. When the particle size is less than 15 microns, an aqueous black slurry with a solid content of 20% is prepared for use.

[0052] Preparation of B dumb paste

[0053] Add 1.5 kg of DEGUSSA OK412 dummy powder to 8.5 kg of diethylene glycol butyl ether, disperse at high speed until the particle size is less than 30 microns, and store for later use.

[0054] Preparation of black water-based paint for C plastics

[0055] In a mixing tank with stirring, add 40 kg of modified polyacrylate aqueous dispersion resin KT-1, 25 kg of water, 1.5 kg of diethylene glycol butyl ether, 0.3 kg of defoamer BYK010, 0.1...

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PUM

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Abstract

The invention discloses a water-based paint for quick-drying alcohol-resistance plastics, comprising the following components by weight parts: 20-80 parts of modified polyacrylic ester water dispersoid, 1-25 parts of coloring pigment paste, 0-10 parts of filler pump, 5-25 parts of film formation assistant, 0.5-10 parts of assistant for water-based paint, and 10-50 parts of water. The invention further discloses a preparation method of the water-based paint, comprising the following steps: the water, the film formation assistant, polymer water dispersoid resin and the assistant for partial water-based paint are added in a make-up tank and are stirred uniformly, and then the coloring pigment paste and the assistant for the remaining partial water-based paint are sequentially added in and are stirred uniformly, the viscosity and pH value are regulated, filtering and discharging are carried out to obtain the water-based plastic paint finished products. The water-based paint is used for coating surface of the plastics, so as to achieve good decoration effect; in addition, the performance of the water-based paint is equivalent to that of solvent plastic paint, the water-based paint has good alcohol resistance and can be dried at 50 DEG C for 10 minutes, so as to meet the process requirements of manufacturers who use the solvent plastic paint at present.

Description

technical field [0001] The invention relates to a chemical coating, in particular to a quick-drying and alcohol-resistant water-based coating for plastics, and also relates to a preparation method of the coating. Background technique [0002] With the development of modern industry, plastic, as a new type of material, has widely replaced traditional materials such as wood and steel for various industries, such as: automobiles, home appliances, construction and other commercial purposes. In order to be beautiful and durable, it is often necessary to use paint for coating. The coatings used for plastic coating in the early days were all solvent-based coatings, that is, containing a large amount of organic solvents, and were used for plastics, especially polar plastic substrates such as polycarbonate, polyamide, ABS, HIPS, etc. As we all know, the disadvantages of solvent-based coatings are waste of energy, resources and serious environmental pollution caused by a large amount...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D5/00
Inventor 李大旭王从国许振阳
Owner GUANGZHOU KINTE IND
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