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Rammed earth dry powder crack simulating coating as well as preparation method and application thereof

A technology of cracked paint and dry powder, which is applied in the direction of powder paint, alkali metal silicate paint, coating, etc. It can solve the problems of poor color retention and weather resistance, affecting the air permeability of the wall, and the rammed earth effect that cannot make natural cracks, etc. , to achieve the effect of easy operation, reducing the risk of efflorescence and improving adhesion

Inactive Publication Date: 2021-08-27
ASIA PAINT SHANGHAI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] One of the purposes of the present invention is to provide a kind of imitation rammed earth dry powder crack coating, to improve the rammed earth effect that the existing imitation rammed earth coating prepared with polymer emulsion as bonding material cannot make natural cracks, and affect the wall The technical problems of air permeability, poor color retention and weather resistance

Method used

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  • Rammed earth dry powder crack simulating coating as well as preparation method and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0101] This embodiment provides a fractured soil dry powder crack coating, manufactured by the following components of mass parts: 20 modified height, 4 parts of dry powder glass, 4 parts of silica solve modified latex powder, Bentonite 0.6 parts, 200 mesh weight of 10 parts, 40-70 矿 矿 砂 砂;;

[0102] Among them, the modified kaolin is prepared according to the following steps:

[0103] The metalloepine was added to aqueous tarttic acid solution of 40%, and stirred for 30 min, then the solid-liquid separation was carried out, and then washed twice with distilled water to obtain a modified height.

[0104] Silica solve modified latex powder was prepared according to the following steps:

[0105] (1) The water and partially alkylphenol polyoxyethylene ether were added to the reactor, stirred for 20 min, adding a mixed monomer and a portion of the potassium sulfate, warmed to 80 ° C, and the temperature was allowed to 80 ° C for 30 min to give prepolymer emulsion, The mixed monomer is ...

Embodiment 2

[0110] This embodiment provides a fractured soil dry powder crack coating, manufactured by the following components of mass parts: 25 modified kaolin, 5 dry powder glass, 4.5 silica sol-modified latex powder, Debuttite 0.8 parts, 200 mesh weights of 15 parts and 40-70 mesh ore sands, wherein each component is divided into the same batch in the components in the examples, and will not be described herein.

Embodiment 3

[0112] This embodiment provides a fracturing of the dry powder crack coating, manufactured by the following components of mass parts: 30 modified height, 6 dry powder glass, 5 silica sol transmissions, 5 copies, 1.0 parts of bentonite, 20 parts of meweigh calcium and 40-70 mesh mine sands, wherein each component is divided into the same batch in the components in the example, and will not be described herein.

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Abstract

The invention provides a rammed earth dry powder crack simulating coating and a preparation method and application thereof, and relates to the technical field of paints. The rammed earth dry powder crack simulating coating is prepared from, by mass, 20-30 parts of modified metakaolin, 3-7 parts of water glass dry powder, 3-6 parts of silica sol modified latex powder and 40-50 parts of ore sand. According to the rammed earth dry powder crack simulating coating provided by the invention, the technical problems that an existing rammed earth simulating coating prepared by taking a polymer emulsion as a binding material cannot achieve a natural crack rammed earth effect, the air permeability of a wall body is influenced, and the color retention and weather resistance are low can be solved. The silica sol modified latex powder and the water glass dry powder have a cross-linking polymerization reaction with the modified metakaolin under the condition of an alkali activator under the synergistic effect, shedding caused by curing shrinkage is prevented, meanwhile, the adhesive force, the water resistance and the color stability of a system are effectively improved, and the later saltpetering risk is reduced.

Description

Technical field [0001] The present invention relates to the field of coating materials, in particular, to a method and preparation method and application thereof in an imitation earth dry powder crack coating. Background technique [0002] The soil wall refers to the walls that have been built with the soil method. The latest archaeological discovery shows that my country has built a city wall in China. The trash wall visual effect is simple, beautiful, and is loved by modern people. However, the existing physical tactic wall has problems with large construction difficulty, long working period, and has a large amount of space. At the same time, due to the soil wall is not suitable for modern urban buildings, it is not necessary to meet the needs of buildings on earthquake resistance. Therefore, if a coating that is close to ancient soil wall is provided, it is inerage that people can satisfy people's demand for external wall antique decorative. [0003] The existing imitation nod...

Claims

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Application Information

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IPC IPC(8): C09D1/04C09D5/28C09D5/03C09D131/04C09D7/65C09D7/62
CPCC08K2003/265C09D1/04C09D5/033C09D5/28C09D131/04C08L29/04C08K13/06C08K9/04C08K3/346C08K3/34C08K3/36C08K3/26
Inventor 胡道盼姜俊李金钟
Owner ASIA PAINT SHANGHAI