Color-adjustable water-based self-thickening building coating and preparation method thereof

A kind of architectural coating, self-thickening technology, applied in the direction of coating, etc., to achieve the effect of strong decoration, thin coating and improved water whitening resistance

Inactive Publication Date: 2020-09-04
HANGZHOU RISHENG PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to better solve the problem of using a large number of thickeners in water-based colorful paints and to maximize the performance of water-based colorful paints, the invention provides a color-adjustable water-based self-thickening architectural paint and a preparation method thereof. Excellent stability, and the self-thickening effect of the coating through the reaction of the emulsion and the protective glue can greatly reduce the amount of thickener, thus avoiding the dependence on thickener and various problems caused by it

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] The water-based multi-color paint of this embodiment includes three parts: continuous phase emulsion, titanium-free paint and protective glue. There is no fixed sequence for preparation, and those skilled in the art can adjust according to needs.

[0045] Preparation of protective glue: Dissolve 4.5 parts of SD-06 glue in 95.5 parts of deionized water in parts by mass, disperse for 0.5 hours under stirring until completely dissolved to form a translucent solution, and set aside.

[0046] Preparation of continuous phase emulsion: 32 parts of water, 0.6 parts of bactericide, 22 parts of emulsion A, 38 parts of emulsion B, 3 parts of film-forming aid, 3 parts of propylene glycol, 0.4 part of defoamer, 0.4 part of pH regulator, 0.6 Parts of thickeners are added and mixed in turn, and stirred until uniform, the viscosity of the continuous phase is kept at about 90KU, and it is set aside.

[0047] Preparation of titanium-free paint: 52 parts of water, 0.4 parts of bactericide...

Embodiment 2

[0052] The water-based multi-color paint of this embodiment includes three parts: continuous phase emulsion, titanium-free paint and protective glue, the mass ratio of which is 27:45:28.

[0053] The preparation reference example 1 of protective glue

[0054] Preparation of continuous phase emulsion: 30 parts of water, 0.6 parts of fungicide, 20 parts of emulsion A, 40 parts of emulsion B, 4 parts of film-forming aid, 4 parts of propylene glycol, 0.4 part of defoamer, 0.4 part of pH regulator, 0.6 Parts of thickener are added and mixed in turn, and stirred until uniform, the viscosity of the continuous phase is kept at about 90KU, and it is set aside.

[0055] Preparation of titanium-free paint: 50 parts of water, 0.4 parts of bactericide, 0.4 parts of dispersant, 10 parts of kaolin, 0.8 parts of cellulose, 0.4 parts of defoamer, 0.2 parts of pH regulator, 1.5 parts of propylene glycol, 1.5 parts of ingredients Membrane aid, 30 parts of pure acrylic emulsion, 0.2 part of defo...

Embodiment 3

[0060] The water-based multi-color paint of this embodiment includes three parts: continuous phase emulsion, titanium-free paint and protective glue, the mass ratio of which is 27:45:28.

[0061] The preparation of protective glue refers to Example 1.

[0062] Preparation of continuous phase emulsion: 35 parts of water, 0.2 parts of bactericide, 25 parts of emulsion A, 35 parts of emulsion B, 2 parts of film-forming aid, 2 parts of propylene glycol, 0.2 part of defoamer, 0.3 part of pH regulator, 0.3 Parts of thickener are added and mixed in turn, and stirred until uniform, the viscosity of the continuous phase is kept at about 90KU, and it is set aside.

[0063] Preparation of titanium-free paint: 55 parts of water, 0.4 parts of bactericide, 0.4 parts of dispersant, 10 parts of kaolin, 0.8 parts of cellulose, 0.4 parts of defoamer, 0.2 parts of pH regulator, 1.5 parts of propylene glycol, 1.5 parts of ingredients Membrane aid, 25 parts of pure acrylic emulsion, 0.2 part of d...

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Abstract

The invention discloses a color-adjustable water-based self-thickening building coating and a preparation method thereof. The color-adjustable water-based self-thickening building coating comprises the following components: titanium-free base paint, continuous phase emulsion and a protective glue solution. The novel color-adjustable water-based self-thickening building coating can be suitable forvarious building outer wall surfaces, the coating spraying effect is adjustable, the coating has good water resistance and stability, construction can also be carried out in an environment with humidair, and a paint film of the coating cannot be damaged in rainy days after construction is completed. The water-based multicolor building coating is composed of green and environment-friendly components, and toxic and harmful components are greatly reduced (for example, the VOC content is smaller than or equal to 12 g / L, and the technical standard requirement is smaller than or equal to 150 g / L).The water-based multicolor building coating has good storage stability, the use amount of the thickening agent is greatly reduced due to the fact that a self-thickening effect exists in the system, the water whitening resistance of the coating is excellent, the post-thickening phenomenon is not obvious, and the viscosity is stable.

Description

technical field [0001] The invention relates to a color-adjustable water-based self-thickening architectural coating, which belongs to the technical field of architectural coatings. Background technique [0002] With the continuous development of social economy, the requirements for living environment and quality of life are also increasing. A healthy, environmentally friendly and high-quality colorful architectural coating can not only protect the building wall and prolong the service life of the building, but also effectively beautify the living environment and improve people's quality of life. [0003] Traditional colorful architectural coatings rely on the use of a large amount of thickeners to meet the viscosity requirements of architectural coatings. By using a thickener, the viscosity of the paint can be improved conveniently and efficiently, but the use of a large amount of thickener is not only contrary to the concept of environmental protection, but also the amoun...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D7/61C09D7/63C09D7/65C09D7/43C09D7/20
CPCC08K2201/014C08L2205/025C08L2205/035C09D133/04C09D7/20C09D7/43C09D7/61C09D7/63C09D7/65C08L33/04C08L43/04C08K13/02C08K3/34C08K5/053C08K3/346
Inventor 曹海荣尹建荣朱明乔谢小雨虞祥刘赛赛周洋吕汉龙
Owner HANGZHOU RISHENG PAINT
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