Color-changable architectural decorative diatomite dry powder coating and preparation method thereof

A technology for architectural decoration and dry powder coating, applied in the field of coatings, can solve the problems of inability to meet the development needs of wall decoration, uneven color distribution, short life of color developer, etc., achieve good decorative effect, uniform color distribution, and prolong service life. Effect

Inactive Publication Date: 2018-11-23
CHENDU NEW KELI CHEM SCI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] It can be seen that the diatom mud coating in the prior art has a single color and poor decoration, while the traditional color-changing coating has problems such as short life of the color developer and uneven color distribution, which cannot adapt to the development needs of wall decoration.

Method used

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  • Color-changable architectural decorative diatomite dry powder coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] a. Stir and mix crystal violet lactone, bisphenol A, and higher fatty alcohol at a constant temperature of 45°C to obtain a compound developer;

[0034] b. Add an emulsifier to the compound developer prepared in step a, homogenize and shear using a high-shear mixing emulsifier, and further adjust the pH value to 5 to obtain a compound emulsion;

[0035] c. Add hydroxypropyl-β-cyclodextrin vesicle precursor to the compound emulsion prepared in step b, stir and heat up to 130°C, further add a dispersant, disperse evenly, and spray dry to obtain a coated compound Transparent microcapsules of color developer;

[0036]d. Mix the transparent microcapsules obtained in step c with diatomaceous earth, inorganic fillers, rubber powder and additives evenly to prepare a color-changing diatom mud dry powder coating for architectural decoration.

[0037] In step b, the emulsifier is magnesium stearate; in step c, the dispersant is sodium hexametaphosphate; in step d, the inorganic f...

Embodiment 2

[0040] a. Stir and mix crystal violet lactone, bisphenol A, and higher fatty alcohol at a constant temperature of 42°C to obtain a compound color developer;

[0041] b. Add an emulsifier to the compound developer prepared in step a, homogenize and shear using a high-shear emulsifier, and further adjust the pH value to 4 to obtain a compound emulsion;

[0042] c. Add hydroxypropyl-β-cyclodextrin vesicle precursor to the compound emulsion prepared in step b, stir and heat up to 125°C, further add a dispersant, disperse evenly, and spray dry to obtain a coated compound Transparent microcapsules of color developer;

[0043] d. Mix the transparent microcapsules obtained in step c with diatomaceous earth, inorganic fillers, rubber powder and additives evenly to prepare a color-changing diatom mud dry powder coating for architectural decoration.

[0044] In step b, the emulsifier is zinc stearate; in step c, the dispersant is sodium pyrophosphate; in step d, the inorganic filler is ...

Embodiment 3

[0047] a. Stir and mix crystal violet lactone, bisphenol A, and higher fatty alcohol at a constant temperature of 48°C to obtain a compound developer;

[0048] b. Add an emulsifier to the compound developer prepared in step a, homogenize and shear using a high-shear mixing emulsifier, and further adjust the pH value to 5 to obtain a compound emulsion;

[0049] c. Add hydroxypropyl-β-cyclodextrin vesicle material precursor to the compound emulsion prepared in step b, stir and raise the temperature to 135°C, further add a dispersant, disperse evenly, and spray dry to obtain a coated compound Transparent microcapsules of color developer;

[0050] d. Mix the transparent microcapsules obtained in step c with diatomaceous earth, inorganic fillers, rubber powder and additives evenly to prepare a color-changing diatom mud dry powder coating for architectural decoration.

[0051] In step b, the emulsifier is aluminum stearate; in step c, the dispersant is tannic acid; in step d, the i...

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Abstract

The invention discloses a color-changable architectural decorative diatomite dry powder coating and a preparation method thereof. The diatomite dry powder coating is prepared by the following steps: a, mixing crystal violet lactone, bisphenol A, with higher fatty alcohol to obtain a complex color developing agent; b, adding an emulsifier into the complex color developing agent, homogenizing, and shearing, to obtain a complex emulsion; c, adding the precursor liquid of hydroxypropyl-beta-cyclodextrin capsule and a dispersing agent into the complex emulsion to prepare a transparent microcapsulewrapped with the color developing agent; and d, uniformly mixing the transparent microcapsule with diatomite, inorganic fillers, rubber powders and auxiliary agents, to prepare color-changable architectural decorative diatomite dry powder coating. The method has the following advantages: through adopting hydroxypropyl-beta-cyclodextrin to wrap the complex color developing agent to prepare the transparent microcapsule, the coating formed by construction is uniform in color distribution. The transparent microcapsule is used to wrap and protect the developing agent, without affecting color development, and the color-changable architectural decorative diatomite dry powder coating effectively prolongs the service life of the color developing agent, has a wide temperature range of thermosensitive color change, and has a good decorative effect at the same time.

Description

technical field [0001] The invention relates to the field of coatings, in particular to the preparation of color-changing paints, in particular to a color-changing diatom mud dry powder paint for architectural decoration and a preparation method thereof. Background technique [0002] The main functional material of diatom mud is diatomite. Diatomite has physical properties such as fineness, looseness, light weight, porosity, water absorption and strong permeability, and can effectively absorb free formaldehyde, benzene, ammonia and other harmful substances in the air. , and can purify the peculiar smell in the air caused by pets, smoking, garbage, etc., and other gelling components, color and particle adjustment components can be used to obtain a new type of diatom mud wall material that is different from traditional coatings. It can also absorb and release Moisture in the air adjusts the indoor air humidity, so diatom mud can replace traditional wall decoration materials su...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D5/26C09D5/03C09D7/61C09D7/63
CPCC09D1/00C09D5/033C09D5/26
Inventor 陈庆昝航
Owner CHENDU NEW KELI CHEM SCI CO LTD
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