Internal wall water-fast putty powder

A technology for water-resistant putty and interior walls, applied in the field of water-resistant putty powder for interior walls and filling materials for buildings, can solve the problems of poor adhesion, poor water resistance, easy hollowing, etc., and achieve strong and excellent water resistance and adhesion. Comprehensive performance and long service life

Inactive Publication Date: 2013-01-16
WUHU SHUANGBAO BUILDING MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] Among the above-mentioned interior wall putty powders, some have low bonding strength and poor adhesion, some have poor water resistance, are prone to hollowing, peeling, and cracking, and some are chemically unstable and easy to be yellowed

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Prepare japonica rice gel powder as follows:

[0040] Take japonica rice as raw material, add 3-8 times its weight of water, cook until it is syrupy, filter to remove non-slurry, then cool, dry, grind, and pass through a 140 mesh sieve to make japonica rice with a fineness of ≤140 mesh. Rubber powder.

Embodiment 2

[0042] A water-resistant putty powder for interior walls, which comprises raw materials in the following proportions by weight:

[0043] Kaolin powder 25%, sepiolite powder 15%, Portland cement 25%, hydroxypropyl methylcellulose 2%, rice gel powder 7%, cross-linked starch 4%, medical stone powder 0.9%.

Embodiment 3

[0045] A water-resistant putty powder for interior walls, which comprises raw materials in the following proportions by weight:

[0046] Kaolin powder 28%, sepiolite powder 13%, Portland cement 30%, hydroxypropyl methylcellulose 1%, rice gelatin powder 8%, cross-linked starch 3%, medical stone powder 1.5%.

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PUM

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Abstract

The invention belongs to the field of chemical engineering and relates to a building filler material, particularly to internal wall water-fast putty powder. The internal wall water-fast putty powder comprises the following raw materials by weight percent: 20-30 percent of kaolinite powder, 10-20 percent of meerschaum powder, 15-35 percent of Portland cement, 0.5-3.5 percent of hydroxy propyl methyl cellulose, 3-10 percent of japonica rice gel powder, 2-6 percent of crosslinking starch and 0.5-2 percent of medical stone powder. The internal wall water-fast putty powder provided by the invention has the advantages of excellent comprehensive performance and extremely high water resistance and cohesiveness, is free of the phenomena of hollowing, peeling, cracking, flaking, yellowing, mildewing and spotting after being dampened by water, has good aesthetic property, can adsorb indoor poisonous and hazardous materials and is safe and environment-friendly.

Description

Technical field [0001] The invention belongs to the field of chemical engineering, and relates to filling materials for construction, in particular to a water-resistant putty powder for interior walls. Background technique [0002] Putty is a surface filling material for pretreatment of the construction surface before the paint construction. The purpose is to fill the pores of the construction surface and correct the curve deviation of the construction surface, so as to lay a good foundation for obtaining a uniform and smooth paint surface. Good bonding strength and water resistance to ensure that there will be no hollowing, peeling, cracking and other phenomena under the long-term erosion of water vapor in the air, and it can still be tightly combined with the substrate, playing a good decorative and protective role. Due to the long contact time between the inner wall of the building and the human body, it has a great impact on human health. Therefore, construction projects have...

Claims

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Application Information

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IPC IPC(8): C04B28/04
Inventor 胡昌悌
Owner WUHU SHUANGBAO BUILDING MATERIAL
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