Hydrogen-bond-crosslinked type water-in-water multicolor paint and preparation method thereof

A multi-color paint, cross-linking technology, applied in multi-color effect paint, coating and other directions, can solve the problems of multi-color paint stability and low color particle strength, improve the strength and protection range, expand the preparation process and use range, the effect of reducing the rate of the crosslinking reaction

Active Publication Date: 2017-03-15
北京富思特房屋技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a hydrogen-bonded cross-linked water-in-water colorful paint and its preparation method, which can not only greatly improve the stability of the paint and the strength of the colored particles in the paint, but also solve the problem of the stability of the colorful paint prepared by the existing method. And the problem of low strength of colored particles, and without the use of expensive organic modified gelling agent, can effectively control the crosslinking reaction speed and crosslinking strength, which is very conducive to the preparation of internal crosslinking colorful coatings

Method used

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  • Hydrogen-bond-crosslinked type water-in-water multicolor paint and preparation method thereof
  • Hydrogen-bond-crosslinked type water-in-water multicolor paint and preparation method thereof
  • Hydrogen-bond-crosslinked type water-in-water multicolor paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0028] (1) The color particles of the A component are prepared in the following manner: adding water, wetting agent and dispersing agent accounting for 50% of the total weight of water into a dispersing cylinder, stirring for 5 minutes at a rotating speed of 300 to 400 rmp, and then Add filler, disperse the system to a fineness of less than 40um at a speed of 800-1000rmp, add cellulose ether, pH adjuster and remaining water, stir for 30 minutes, then add pure acrylic emulsion, retarder, defoamer and Inorganic sol, stir evenly at a rotating speed of 300-800 rmp, add pigment to color to obtain component A, and automatically gel the component A and then cut and granulate to obtain the colored particles of component A. Wherein, the retarder adopts silane coupling agent (for example: silane coupling agent KH550, silane coupling agent KH560 in the prior art) or urea, and the inorganic sol adopts silica sol (for example: in the prior art) Alkaline silica sol with a solute mass fracti...

Embodiment 1

[0048] A hydrogen bond cross-linked water-in-water colorful paint is composed of the following raw materials according to the mass percentage:

[0049] A component mass percentage water 61.1％ lubricant 0.5％ Dispersant 0.5％ filler 5.0％ Cellulose ether 1.0％ defoamer 0.3％ pH adjuster 0.1％ Pure acrylic emulsion 20.0％ Alkaline silica sol (inorganic sol) 10.0％ Silane coupling agent KH550 (retarder) 0.5％ pigment 1.0％ component B mass percentage water 50％ Silicone acrylic emulsion 45％ Coalescent 3.5％ fungicide 0.5％ Thickener (polyurethane type thickener) 1.0％

[0050] Wherein, in the above-mentioned A component raw materials, the wetting agent, dispersing agent, pigment, filler, defoamer, pH adjuster are the wetting agent, dispersing agent, pigment, filler, Defoamers and pH adjusters are sufficient. In the above-mentioned B component raw materials, the film-for...

Embodiment 2

[0056] A hydrogen bond cross-linked water-in-water colorful paint is composed of the following raw materials according to the mass percentage:

[0057] A component mass percentage water 58.8％ lubricant 0.5％ Dispersant 0.5％ filler 5.0％ Cellulose ether 0.8％ defoamer 0.3％ pH adjuster 0.1％ Pure acrylic emulsion 20.0％ Alkaline silica sol (inorganic sol) 12.0％ Silane coupling agent KH560 (retarder) 1.0％ pigment 1.0％ component B mass percentage water 50％ Silicone acrylic emulsion 45％ Coalescent 3.5％ fungicide 0.5％ Thickener (polyurethane type thickener) 1.0％

[0058] Wherein, in the above-mentioned A component raw materials, the wetting agent, dispersing agent, pigment, filler, defoamer, pH adjuster are the wetting agent, dispersing agent, pigment, filler, Defoamers and pH adjusters are sufficient. In the above-mentioned B component raw materials, the film-for...

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Abstract

The invention discloses hydrogen-bond-crosslinked type water-in-water multicolor paint and a preparation method thereof. The paint is prepared by adding A component colored particles in a B component. The A component colored particles are prepared from, by mass, 0.1-0.5% of wetting agent, 0.2-1.0% of dispersing agent, 2.0-30% of filler, 0.1-2.5% of cellulose ether, 0.1-0.5% of antifoaming agent, 0.01-0.2% of pH adjusting agent, 10-50% of pure acrylic emulsion, 5-20% of inorganic collosol, 0.01-1.5% of retarder, 2.0-10% of pigment and the balance water; the A component colored particles are prepared by preparing the materials into a gel, cutting the gel and then conducting pelleting. The B component is prepared from, by mass, 20-50% of silicone acrylic emulsion, 1.0-5.0% of coalescing agent, 0.1-1.0% of bactericide, 1.0-5.0% of thickening agent and the balance water. The paint not only can greatly improve the stability of the paint and the intensity of the colored particles in the paint, but also can effectively control the crosslinking reaction speed and the crosslinking strength.

Description

technical field [0001] The invention relates to the technical field of preparation of water-in-water colorful paints, in particular to a water-in-water colorful paint with an internal hydrogen bond cross-linking structure and a preparation method thereof. Background technique [0002] The water-in-water colorful paint is the coexistence of multi-color and multi-phase particles. Through physical and chemical methods, the liquid water-based resin is dispersed into water-based color particles, which are uniformly suspended in a specific water-based emulsion, and finally form a stable performance and random particle size. liquid mixture. US Patent No. 3,458,328 discloses for the first time a colorful paint composed of an aqueous dispersion of colored spherical particles dispersed in an aqueous dispersion medium containing a film-forming substance. Subsequently, European Patent No. 89830468.8 and Japanese Patent Publication No. Sho 36-1913 have also successively disclosed the pr...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D7/12C09D5/29
CPCC08L2205/035C08L2312/00C09D5/29C09D7/61C09D7/63C09D7/65C09D143/04C08L33/04C08L1/286C08L75/04C08K3/36C08K5/544C08K2003/2227
Inventor 宫理想张淑平赵雅文刘东华
Owner 北京富思特房屋技术有限公司
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