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Granulation method for waterborne multicolor coating

A water-based colorful paint and paint technology, applied in the direction of multi-color effect paint, coating, latex paint, etc., can solve the problems of unfavorable industrial production, long cycle, complicated granulation process, etc., and achieve simple and convenient granulation process, factory The effect of chemical production reduction

Active Publication Date: 2012-07-11
SHANGHAI HUAYI FINE CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Disclosed in Chinese patent CN1931935A is a kind of preparation method of multi-color coating, can make the multi-color coating of large particle, but granulation process is complicated, procedure is loaded down with trivial details, require after A and B component coating mixing reaction, put statically earlier 2~ After 4 hours, cut it into granules by hand, and then place it in the film-forming latex for 4 to 6 hours to become a colorful paint. This kind of granulation process is complicated and the cycle is long, which is not conducive to industrial production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] 1) Preparation of large-particle monochrome water-based multicolor paint: Take 50g of monochrome acrylic latex paint base (viscosity of 3000mPa·s) as component A, slowly add it into 50g of component B containing 10% acrylic water-based resin in a thin stream In the solution, react while stirring at a low speed, adjust the speed between 80 and 150 rpm, and continue stirring for 10 minutes after adding the first material, that is, a stable water-based colorful particle with a particle diameter of 7-10mm is formed. coating.

[0018] 2) Preparation of medium particle monochromatic water-based multicolor paint: take 50g of monochromatic acrylic latex paint base (viscosity of 4000mPa·s) as component A, slowly add it into 50g of component B containing 20wt% acrylic water-based resin in a thin stream In the solution, react while stirring at a low speed, the speed is controlled at 200-500 rpm, and continue stirring for 10 minutes after the addition of material A, to obtain a sta...

Embodiment 2

[0022] Granulation method one:

[0023] Part A contains white acrylic latex paint base, and Part B contains 10wt% acrylic water-based resin solution as the basic raw material for granulation.

[0024] (1) Place the above-mentioned component B in a stainless steel paint mixing tank, slowly start the agitator, and then slowly add component A in a trickle while stirring, wait until the material is added and stir at a low speed of 80-150 Turn / min until it becomes a uniform liquid phase, and then it becomes a white water-based particle paint, which is filtered and loaded into barrels for later use.

[0025] Granulation method two:

[0026] Part A contains black acrylic latex paint base, and Part B contains 10wt% acrylic water-based resin solution as the basic raw material for granulation.

[0027] (1) Place the above-mentioned component B in a stainless steel paint mixing tank, slowly start the agitator, and then slowly add component A in a trickle while stirring, wait until the ...

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Abstract

The invention relates to a granulation method for waterborne multicolor coating, and is characterized in that coating systems with different colors coexist with waterborne resin, each coating system with one color is used to prepare particles with the color, the coating used in the method contains composition A and composition B, the composition A contains waterborne latex, polysaccharide derivative, assistant, tinting pigment and filler, and the composition A is prepared into single-color acrylic latex-based paint by using an agitator; and the composition B contains waterborne latex, assistant and waterborne resin, and the composition B is prepared into acrylic waterborne resin solution by using an agitator. The rotating speed of the mechanical agitator is regulated and the concentrationof the waterborne resin is controlled. The diameter of the single-color waterborne coating particles is 1-10mm. When a waterborne multicolor pattern is required, the pre-granulated single-color particle waterborne coatings are used and are prepared into the multicolor pattern with the required figures by weight percent.

Description

technical field [0001] The invention relates to the paint industry in the field of chemical industry, in particular to a granulation method of water-based colorful paint. Background technique [0002] Looking back on the development of multi-color architectural coatings in the past ten years, including multi-color coatings of water-in-oil, oil-in-water, and water-in-water systems, alkyd resin has always been the basic component, especially in the pattern structure of fine color particles, which can meet Indoor applications, and open up the outdoor application market to create an effect similar to natural stones, replace the original expensive granite decoration, and can meet the environmental and performance needs of different markets. For this reason, people have developed oil-in-water and water-in-water In the water system, the oily particles require a large amount of organic solvents due to the oily medium, which is easy to cause harm to the human body and the environment...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D7/00C09D5/29C09D133/00C09D5/02C08J3/12C08L33/00
Inventor 吴小芳
Owner SHANGHAI HUAYI FINE CHEM CO LTD
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