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Mildew-proof environment-friendly water-based color paste suitable for color mixing of automatic color mixer and preparation method of mildew-proof environment-friendly water-based color paste

A water-based colorant and colorant technology, applied in antifouling/underwater coatings, pigment slurries, and biocide-containing paints, etc., which can solve problems such as hazards, restrictions on the use of anti-mold fungicides, and high skin irritation.

Active Publication Date: 2020-05-05
NIPPON PAINT CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the antifungal and fungicides commonly used in cans for decorative polymer coloring materials are usually isothiazolinone and its derivatives. Cause a certain degree of skin allergy and other phenomena, there is a certain degree of harm to the human body and the environment, so the use of this type of anti-mold fungicide has been greatly restricted, and the amount of use has gradually decreased

Method used

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  • Mildew-proof environment-friendly water-based color paste suitable for color mixing of automatic color mixer and preparation method of mildew-proof environment-friendly water-based color paste
  • Mildew-proof environment-friendly water-based color paste suitable for color mixing of automatic color mixer and preparation method of mildew-proof environment-friendly water-based color paste
  • Mildew-proof environment-friendly water-based color paste suitable for color mixing of automatic color mixer and preparation method of mildew-proof environment-friendly water-based color paste

Examples

Experimental program
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Effect test

preparation example Construction

[0065] The preparation method of mildew-proof type environment-friendly color paste of the present invention comprises steps:

[0066] (1) Add water, wetting agent, dispersant, anti-mold and fungicide composition, co-solvent, pH regulator and defoamer into the dispersion tank, and disperse at 500-1200r / min for 15-20min to obtain a mixed Liquid I;

[0067] (2) Mix the mixed solution I with the pigment and stir at 300-400r / min to obtain the mixed solution II;

[0068] (3) Mix the mixed solution II with a thickener, add water to adjust the viscosity, and defoam to obtain the color paste.

[0069] In another preferred example, in step (2), the filler is also added.

[0070] In another preference, the step (3) also includes the steps before:

[0071] (3-1) Disperse the mixture II at a speed of 800-1200r / min for 20min-2h (preferably 30min-1.5h) to form mixture III;

[0072] (3-2) Grinding mixture III to obtain mixture IV, and then subjecting mixture IV to step (3).

[0073] In ...

Embodiment 1-3

[0134](1) Reserve 10% of water, add 90% of water, wetting agent, dispersant, anti-mildew fungicide and co-solvent PEG400 and other materials except pigment, kaolin, talcum powder and thickener to the dispersion tank in order In the process, disperse at a speed of 500-1200r / min for 15-20min to obtain the mixed solution I;

[0135] (2) Adjust the rotation speed to 300-400r / min, add the pigment and filler into the mixed solution 1, and stir fully to obtain the mixed solution II;

[0136] (3) Disperse the mixture II at a speed of 800-1200r / min at a high speed for not less than 20 minutes, and add 10% of the water reserved in step (1) during the dispersion process to obtain mixture III;

[0137] (4) Grinding the mixture III horizontally, the grinding medium is 0.4-0.8mm zirconia beads or ceramic beads, and grinding continuously for 30min to obtain the mixture IV;

[0138] (5) The mixture IV is weighed, and then the thickener and the remaining water are added according to the propo...

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Abstract

The invention discloses a mildew-proof environment-friendly water-based color paste suitable for color mixing of an automatic color mixer and a preparation method of the mildew-proof environment-friendly water-based color paste. The color paste comprises: 12.0 to 48.0 parts by weight of a pigment; 6.0 to 12.0 parts by weight of a cosolvent; 2.0-6.5 parts of a wetting agent, 4.0-15.0 parts of a dispersing agent, 0.5-1.5 parts of a mildew-proof bactericide composition, 0.1-0.5 part of a pH value regulator, 0.2-1.0 part of a defoaming agent, 0.5-4.0 parts of a thickening agent and 10.0-30.0 partsof water; wherein the mildew-proof bactericide composition comprises a first mildew-proof bactericide and a second mildew-proof bactericide, and the effective component of the first mildew-proof bactericide is a pyrithione mildewproof bactericide. The mildew-proof environment-friendly water-based color paste is safe and environment-friendly, has broad-spectrum and long-acting mildewproof and antibacterial effects, and is suitable for being used in an automatic color mixer.

Description

technical field [0001] The invention belongs to the technical field of fine chemicals, and in particular relates to a mildew-proof environment-friendly water-based color paste suitable for color matching of an automatic color color machine and a preparation method thereof. Background technique [0002] With the improvement of people's living standards, aesthetic requirements are getting higher and higher, colorful, safe, environmentally friendly and high-performance decorative materials are more likely to be favored by people. At present, the antifungal and fungicides commonly used in cans for decorative polymer coloring materials are usually isothiazolinone and its derivatives. Cause a certain degree of skin allergies and other phenomena, there is a certain degree of harm to the human body and the environment, so the use of this type of anti-mold fungicide has been greatly restricted, and the amount of use has gradually decreased. [0003] Water-based color paste uses wate...

Claims

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Application Information

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IPC IPC(8): C09D17/00C09D5/14
CPCC09D17/005C09D17/003C09D5/14
Inventor 王小莉田红李纲
Owner NIPPON PAINT CHINA
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