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Color paste for environment-friendly latex and preparation method of color paste

An environmentally friendly latex and color paste technology, applied in the direction of pigment paste, etc., can solve the problems of unsatisfactory dispersion effect, affecting the storage stability and fluidity of color paste, and achieve the effect of strong mutual repulsion, good dispersion and increased potential.

Pending Publication Date: 2021-09-28
明光科迪新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The dispersion effect of commonly used titanium dioxide is not ideal when applied to water-based systems, which directly affects the storage stability, fluidity and other application indicators of the color paste

Method used

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  • Color paste for environment-friendly latex and preparation method of color paste
  • Color paste for environment-friendly latex and preparation method of color paste

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A color paste for environmentally friendly latex, which is prepared from the following raw materials in parts by weight: 45 parts by weight of modified titanium dioxide, 8 parts of wetting and dispersing agent, 0.8 part of bentonite, 0.5 part of defoamer BYK- 024, 0.2 parts of triethanolamine, 46.5 parts of deionized water.

[0031] The preparation method of described modified titanium dioxide is:

[0032] S01, adding 10 parts by weight of titanium dioxide and 0.4 parts by weight of sodium silicate into 89.6 parts by weight of deionized water, uniformly dispersed, and prepared into a slurry;

[0033] S02, adding 0.8 parts by weight of chitosan and 0.5 parts by weight of sodium alginate to 18.7 parts by weight of absolute ethanol, uniformly dispersed to obtain a dispersion;

[0034] S03. Heat the slurry to 75°C, drop the dispersion liquid into the slurry, ultrasonically treat with 500W for 30 minutes, stir evenly, adjust the pH to 6.4, and obtain a mixed solution;

[0...

Embodiment 2

[0041] A color paste for environmentally friendly latex, which is prepared from the following raw materials in parts by weight: 40 parts by weight of modified titanium dioxide, 8 parts of wetting and dispersing agent, 0.6 part of bentonite, 0.5 part of defoamer BYK- 024, 0.3 parts of triethanolamine, 50.6 parts of deionized water.

[0042] The preparation method of described modified titanium dioxide is:

[0043] S01. Add 10 parts by weight of titanium dioxide and 0.3 parts by weight of sodium silicate to 89.7 parts by weight of deionized water, disperse evenly, and prepare a slurry;

[0044] S02, adding 0.7 parts by weight of chitosan and 0.4 parts by weight of sodium alginate to 18.9 parts by weight of absolute ethanol, uniformly dispersed to obtain a dispersion;

[0045] S03. Heat the slurry to 78°C, drop the dispersion liquid into the slurry, ultrasonically treat it with 600W for 30 minutes, stir evenly, adjust the pH to 6.5, and obtain a mixed solution;

[0046] S04. Ad...

Embodiment 3

[0052]An environmentally friendly color paste for latex, prepared from the following raw materials in parts by weight: 48 parts by weight of modified titanium dioxide, 6 parts by weight of wetting and dispersing agent, 0.5 part of bentonite, 0.1 part of defoamer BYK-024, and 0.1 part of pH triethanolamine , 45.3 parts of deionized water.

[0053] The preparation method of described modified titanium dioxide is:

[0054] S01, adding 10 parts by weight of titanium dioxide and 0.5 parts by weight of sodium silicate into 89.5 parts by weight of deionized water, uniformly dispersed, and prepared into a slurry;

[0055] S02, adding 0.8 parts by weight of chitosan and 0.4 parts by weight of sodium alginate to 18.8 parts by weight of absolute ethanol, and dispersing evenly to obtain a dispersion;

[0056] S03. Heat the slurry to 72°C, drop the dispersion liquid into the slurry, ultrasonically treat at 700W for 35 minutes, stir evenly, adjust the pH to 6.5, and obtain a mixed solution...

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Abstract

The invention discloses color paste for environment-friendly latex and a preparation method of the color paste. The color paste for the environment-friendly latex is prepared from the following raw materials in parts by weight: 38-50 parts of modified titanium dioxide, 6-10 parts of a wetting dispersant, 0.5-1 part of an anti-settling agent, 0.1-0.6 part of a defoaming agent, 0.1-0.5 part of a pH regulator and 40-55 parts of deionized water. The color paste for the environment-friendly latex has good stability, dispersing performance and coloring strength, titanium dioxide is modified, firstly, the alkali resistance of the titanium dioxide is remarkably improved, so that the titanium dioxide can be well applied to a latex formula system, secondly, tests verify that the potential of modified ZETA is increased. The mutual repulsive interaction among titanium dioxide particles is strong, the acting force of agglomeration and flocculation, stability and coloring strength can be resisted, and the titanium dioxide can be well dispersed in water.

Description

technical field [0001] The invention relates to the technical field of color paste, in particular to a color paste for environment-friendly latex and a preparation method thereof. Background technique [0002] With the development of the economy and the improvement of people's living standards, a large number of latex products appear in people's daily production. Latex flows out from rubber tree tapping and is milky white. It is a natural and important industrial raw material. Latex is used in labor protection products (such as latex) Gloves), balloons are widely used in the field. [0003] As a white pigment commonly used in the production of latex products, titanium dioxide is usually added to the medium used in a highly dispersed state, and its dispersion, gloss, and weather resistance in latex all have an important impact. The dispersion effect of commonly used titanium dioxide is not ideal when applied to water-based systems, which directly affects the storage stabilit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D17/00
CPCC09D17/008C09D17/001
Inventor 匡民明陆明
Owner 明光科迪新材料有限公司
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