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Water-based multicolor paint and preparation method thereof

A technology for water-based colorful coatings and raw materials, applied in the field of coatings, can solve problems such as difficult construction, colored particles sticking into agglomerates, etc., and achieve the effects of good water resistance and water whitening resistance, stable coating film, and high practical application prospects.

Inactive Publication Date: 2020-09-29
厦门神石多彩节能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, excessive thickeners are often added or the viscosity of the system is increased to improve storage stability, but this often leads to problems such as color particles sticking together and making construction difficult

Method used

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Examples

Experimental program
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Effect test

preparation example Construction

[0110] The second aspect of the present invention provides a method for preparing the water-based colorful paint, which includes the following steps: after mixing the base paint with sand and gravel, divide it into several parts, add color paste to color, add protective glue and mix Granulate and sieve to obtain colored granules; add the obtained colored granules into the continuous phase to obtain water-based colorful paint.

[0111] In a preferred embodiment, the mixture ratio of the base paint and sand is 1:(0.7-1.3) by weight.

[0112] In a more preferred embodiment, the mixture ratio of the base paint and gravel is 1:1 by weight.

[0113]The sand used in the present invention is not particularly limited, and various sands known to those skilled in the art can be used, such as Guangxi Baisha.

[0114] In a preferred embodiment, the sandstone has a mesh number of 80-100 mesh.

[0115] In a more preferred embodiment, the mesh number of the sand is 90 mesh.

[0116] In the...

Embodiment 1

[0122] Embodiment 1 of the present invention provides a water-based multi-color paint, including a protective glue, a base paint, and a continuous phase, and the weight ratio of the three is 9:31:10.

[0123] The protective glue includes the following raw materials in parts by weight: 50 parts of thickener, 948 parts of water, and 2 parts of preservative. The thickener is lithium magnesium silicate, which is BZ-03 of Xiamen Jinbaisheng; the preservative is a preservative BIT with a content of 20wt%; the preparation method of the protective glue is: add the thickener to water and stir After 30 minutes, add the remaining raw materials and mix for 10 minutes to obtain.

[0124] The base paint includes the following raw materials in parts by weight: 300 parts of pure acrylic emulsion, 4 parts of dispersant, 5 parts of defoamer, 155 parts of filler, 7 parts of cellulose ether, 70 parts of thickener, 443 parts of water, 16 parts Auxiliary. The pure acrylic emulsion in the base pai...

Embodiment 2

[0128] Embodiment 2 of the present invention provides a water-based multicolor paint, including a protective glue, a base paint, and a continuous phase, and the weight ratio of the three is 5:25:7.

[0129] The protective glue includes the following raw materials in parts by weight: 30 parts of thickener, 800 parts of water, and 1 part of preservative. The thickener is lithium magnesium silicate, BZ-03 of Xiamen Jinbaisheng; the preservative is the preservative BIT with a content of 20wt%;

[0130] The base paint includes the following raw materials in parts by weight: 200 parts of pure acrylic emulsion, 1 part of dispersant, 3 parts of defoamer, 140 parts of filler, 5 parts of cellulose ether, 60 parts of thickener, 300 parts of water, 10 parts Auxiliary. The pure acrylic emulsion in the base paint is purchased from Bardford Company, the model is RS-2788, and the viscosity at 25° C. is 50 to 400 cps (the average viscosity is 225 cps); the dispersant in the base paint is sodi...

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PUM

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Abstract

The invention discloses a water-based multicolor paint which comprises a protective glue, a base paint and a continuous phase, wherein the weight ratio of the protective glue to the base paint to thecontinuous phase is (5-15): (25-35): (7-13). The water-based multicolor paint prepared by the invention is placed for a long time after being oscillated, and colored particles are free from sedimentation or floating layer phenomenon, and are free from being bonded into clusters and bleeding phenomena. In addition, the water-based multicolor paint has the advantages of stable film, favorable waterresistance and favorable water whitening resistance, and thus, has very high practical application prospects.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a water-based colorful coating and a preparation method thereof. Background technique [0002] Water-based colorful paint is a stone-like paint made by stirring a high-viscosity, high-concentration dispersed phase and a low-viscosity, high-concentration continuous phase. Its construction is simple, and the imitation stone effect of various colored spots can be produced by one spraying by ordinary coating method, so it is favored by people. [0003] However, since the water-based multicolor paint contains colored particles that are incompatible with the paint material and have different shapes, the color particles are prone to sedimentation and floating layers after the water-based multicolor paint is placed for a long time. In the prior art, excessive thickeners are often added or the viscosity of the system is increased to improve storage stability, but this often leads to problems such...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D5/29C09D7/65C09D7/61C09D7/44
CPCC08K2003/2241C08L2205/035C09D5/29C09D133/04C09D7/44C09D7/61C09D7/65C08L43/04C08L1/284C08K3/22C08K3/346C08K3/34C08K13/02
Inventor 林金灿
Owner 厦门神石多彩节能科技有限公司
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