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A kind of high-performance colorful paint and preparation method thereof

A multi-color paint, high-performance technology, applied in the direction of multi-color effect paint, coating, etc., can solve the problems of reducing the cross-linking reaction speed, color bleeding, delamination, etc. Bleeding effect

Active Publication Date: 2020-04-17
SHANGHAI CARPOLY PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The production mechanism of protective glue is roughly the same. Most water-based colorful paints use protective glue with trade names of RD, RDS, GTS, and VS-15, but the difference in subsequent processing methods makes the performance of the protective glue quite different; and the application of cellulose There are many varieties, and the variety and quality of the emulsion are also uneven, which causes the protective glue in the existing water-in-water colorful paint to be easily affected by factors such as ambient temperature. The water-based colorful paint system is unstable, and the following problems exist: 1. The particles are easy to shrink, Bleeding; 2. The paint is easy to settle and delaminate; 3. The paint film is easy to turn white when it meets water; 4. The water resistance of the paint film is poor
In order to solve these problems, the patent CN103952051A discloses a preparation method of internal cross-linking water-based colorful coatings, and its technical scheme is to reduce the cross-linking reaction speed by adding an organically modified gelling agent to the dispersed phase containing polysaccharides, so that The cross-linking agent can be evenly dispersed in the dispersed phase, and gradually cross-link the gel in the later stage, so that the color particles are cross-linked as a whole, which greatly improves the strength and protection range of the gel, thereby ensuring the stability of the colorful paint and expanding the application range; However, the inventors of the present application have found that this chemical crosslinking method requires the use of expensive organically modified gel agents to carry out crosslinking reactions and control the gel speed. At the same time, chemical crosslinking gels are irreversible, which makes internal crosslinking The preparation technology of multi-color paint is limited

Method used

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  • A kind of high-performance colorful paint and preparation method thereof
  • A kind of high-performance colorful paint and preparation method thereof
  • A kind of high-performance colorful paint and preparation method thereof

Examples

Experimental program
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Effect test

preparation example Construction

[0048] The preparation method of above-mentioned high-performance colorful paint, comprises the steps:

[0049] (1) Prepare the protective colloid solution of C component

[0050] The following raw materials are used according to mass percentage: each raw material is 70-99% of deionized water and 1-30% of protective colloid;

[0051] Add the protective colloid into deionized water at a speed of 100-200rmp, increase the speed to 1500rmp, until the protective colloid is completely dissolved, and set aside;

[0052] (2) Preparation of colored particles of component A

[0053] The following raw materials are used according to mass percentage: each raw material is 30-40% of deionized water, 5-30% of protective colloid, 0.1-5% of thickener A, 0.1-2% of wetting agent, and 0.3-1.5% of dispersant , pigment 0-10%, filler 2-10%, defoamer 0.1-1%, pH regulator 0.1-1%, elastic pure acrylic emulsion 20-40%, surface organically modified cellulose ether 0.1-5% ;

[0054] Add water, wetting...

Embodiment 1

[0063] The present embodiment provides a kind of high-performance colorful paint, the preparation method of this high-performance colorful paint is as follows:

[0064] Each component is made up of following raw material by mass percentage in the present embodiment:

[0065] A component mass percentage

[0066]

[0067]

[0068] B component mass percentage

[0069]

[0070] C component mass percentage

[0071] Deionized water 90%;

[0072] Protective glue 10%;

[0073] The preparation steps are as follows:

[0074] (1) Preparation of colored particles of component C

[0075] Use the following raw materials by mass percentage: 10g of protective glue, 90g of deionized water;

[0076] Add 50g of protective gel and 450g of deionized water into the dispersion tank, and stir for 30 minutes at a speed of 1200-1500rmp to obtain a clear liquid for later use;

[0077] (1) Preparation of colored particles of component A

[0078] The following raw materials are used in ma...

Embodiment 2

[0086] The present embodiment provides a kind of high-performance colorful paint, the preparation method of this high-performance colorful paint is as follows:

[0087] Each component is made up of following raw material by mass percentage in the present embodiment:

[0088] A component mass percentage

[0089]

[0090] B component mass percentage

[0091]

[0092] C component mass percentage

[0093] Deionized water 85%;

[0094] Protective glue 15%;

[0095] The preparation steps are as follows:

[0096] (1) Preparation of colored particles of component C

[0097] Use the following raw materials by mass percentage: 15g of protective glue, 85g of deionized water;

[0098] Add 75g of protective gel and 425g of deionized water into the dispersion tank, and stir for 30 minutes at a speed of 1200-1500rmp to obtain a clear liquid for later use;

[0099] (1) Preparation of colored particles of component A

[0100] The following raw materials are used in mass percentag...

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Abstract

The invention discloses high-performance colorful paint. The high-performance colorful paint is prepared through adding component A colored particles, with different colors and shapes, shaped in the component C into the component B. The colored particles of the component A are prepared from water, protective colloid, a thickener A, a wetting agent, a dispersant, a pigment, a filler, a defoaming agent, a pH adjusting agent, an elastic pure acrylic emulsion and surface organic modified cellulose ether. The component B is prepared from water, a silicone acrylic emulsion, a film-forming aid, a bactericide, a thickener B and a silane coupling agent. The component C is prepared from water and protective colloid. The protective colloid is subjected to surface organic treatment. The component A colored particles, with different colors and shapes, shaped in the component C and the component B are uniformly stirred so that the high-performance colorful paint is obtained. The invention also discloses a preparation method of the high-performance colorful paint. The high-performance colorful paint has high strength and can be applied through spray-coating.

Description

technical field [0001] The invention relates to the technical field of paint preparation, in particular to a high-performance colorful paint and a preparation method thereof. Background technique [0002] At present, water-in-water multicolor paints are basically firstly granulated in protective glue with base paint, and then made with emulsion as film-forming substance. The production mechanism of protective glue is roughly the same. Most water-based colorful paints use protective glue with trade names of RD, RDS, GTS, and VS-15, but the difference in subsequent processing methods makes the performance of the protective glue quite different; and the application of cellulose There are many varieties, and the variety and quality of the emulsion are also uneven, which causes the protective glue in the existing water-in-water colorful paint to be easily affected by factors such as ambient temperature. The water-based colorful paint system is unstable, and the following problems...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/04C09D5/29C09D7/63C09D7/65
CPCC08L2205/03C09D5/29C09D143/04C08L33/04C08L1/26C08K5/544
Inventor 李威谭振华龚凯段吉祥张强国
Owner SHANGHAI CARPOLY PAINT
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