Wall surface gypsum leveling putty and preparation method thereof

A technology of gypsum and gypsum powder, which is applied in the direction of filling slurry, etc., can solve the problems of easy hollowing and cracking of cement mortar wall surface, long construction time, etc., and achieve the effect of shortening construction period, low raw material cost and good adhesion

Inactive Publication Date: 2019-03-26
湖南大迈新材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this lightweight bottom leveling putty still has the defects that the cement mortar wall surface is easy to hollow and crack, and the construction time is long
[0006] Therefore, it is an urgent problem in the industry to provide a wall plaster leveling putty that can replace the traditional wall cement plastering mortar, systematically solve the problems of cement mortar wall surface hollowing and cracking, and save time and labor.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0036]The wall gypsum leveling putty of the present invention is prepared by mixing the following components by weight: 500 parts of 80-mesh gypsum powder, 400 parts of 200-mesh ash-calcium powder, 100 parts of 40-mesh quartz sand, 50 parts of 60-mesh quartz sand, 300 parts of water, 3.5 parts of hydroxypropyl methylcellulose, 3 parts of vinyl acetate-ethylene copolymer rubber powder, 3 parts of polyvinyl alcohol (PVA2488), 0.5 parts of citric acid, 0.5 parts of 5 mm long anti-crack fiber, and hydroxyl 1 part of alkyl starch.

[0037] The wall gypsum leveling putty prepared according to the scheme can prevent peeling, chalking, hollowing and cracking.

Embodiment approach 2

[0039] The wall gypsum leveling putty of the present invention is prepared by mixing the following components by weight: 550 parts of 100-mesh gypsum powder, 350 parts of 300-mesh ash-calcium powder, 75 parts of 40-mesh quartz sand, 25 parts of 60-mesh quartz sand, 300 parts of water, 3 parts of hydroxypropyl methylcellulose, 2 parts of acrylic polymer rubber powder, 2 parts of polyvinyl alcohol (PVA2488), 1 part of tartaric acid, 1 part of 8 mm long anti-crack fiber, and carboxymethyl starch 0.8 servings.

[0040] The wall gypsum leveling putty prepared according to the scheme can prevent peeling, chalking, hollowing and cracking.

Embodiment approach 3

[0042] The wall gypsum leveling putty of the present invention is prepared by mixing the following components by weight: 520 parts of 80-mesh gypsum powder, 380 parts of 200-mesh ash-calcium powder, 80 parts of 40-mesh quartz sand, 40 parts of 60-mesh quartz sand, 280 parts of water, 4 parts of hydroxypropyl methylcellulose, 4 parts of styrene-butadiene rubber powder, 4 parts of polyvinyl alcohol (PVA2488), 0.8 parts of lactic acid, 1.5 parts of 6 mm long anti-crack fiber, and 1.5 parts of cationic starch.

[0043] The wall gypsum leveling putty prepared according to the scheme can prevent peeling, chalking, hollowing and cracking.

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Abstract

The invention discloses wall surface gypsum leveling putty and a preparation method thereof, wherein the wall surface gypsum leveling putty is prepared from the following ingredients in parts by weight: 500-550 parts of gypsum powder, 350-400 parts of calcium powder, 100-150 parts of sand, 3-4 parts of hydroxypropyl methylcellulose, 2-4 parts of rubber powder, 2-4 parts of polyvinyl alcohol, 0.5-1part of a retarder, 0.5-1.5 parts of crack resistant fiber and 0.5-1.5 parts of starch ether. The wall surface gypsum leveling putty prepared by the invention has fewer ingredients and low raw material costs, and can prevent peeling, pulverization, hollowing and cracking.

Description

technical field [0001] The invention relates to the field of putty materials, in particular to a leveling putty and a preparation method. Background technique [0002] In order to improve the living environment and comfort requirements, decoration in the current home improvement market is becoming more and more common and has a broad market prospect, but it has extremely strict requirements on the construction period of decoration, especially the leveling treatment of interior walls, requiring construction steps Simplify as much as possible, short maintenance period, will not take up valuable construction time, etc. Therefore, at present, the use of domestic building materials is mainly from new construction to renovation, with high construction requirements and short construction time, while the existing cement-based leveling putty is prone to hollowing, cracking, falling off and other problems, and the maintenance time is long. [0003] Gypsum itself is a kind of gelling ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/34
CPCC09D5/34
Inventor 徐跃文杨小钱许章文
Owner 湖南大迈新材科技有限公司
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