Two-component elastic anti-cracking waterproof putty for exterior walls

A two-component, anti-cracking technology, applied in the direction of filling slurry, etc., can solve the problems of low aging resistance, cracking, poor water resistance, etc., and achieve the effects of good sandability, high bonding strength and convenient construction.

Inactive Publication Date: 2015-04-29
广州协堡建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention proposes a two-component external wall elastic anti-cracking waterproof putty, which overcomes the defects of cracking, poor water resistance and low aging resistance in the prior art.

Method used

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  • Two-component elastic anti-cracking waterproof putty for exterior walls
  • Two-component elastic anti-cracking waterproof putty for exterior walls
  • Two-component elastic anti-cracking waterproof putty for exterior walls

Examples

Experimental program
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Effect test

Embodiment 1

[0029] According to the content provided by the present invention, according to the conventional preparation method in the prior art, the inventor mixed the two-component external wall elastic anti-cracking waterproof putty with water to prepare two-component external wall putty 1, and the mass of the added water accounted for Wherein said two-component outer wall elastic anti-cracking waterproof putty is 20% of the mass, wherein the proportion of each component of said two-component outer wall elastic anti-cracking waterproof putty is as follows:

[0030] 10% cement, 40% fine quartz sand, 0.8% HPMC, 9.2% UEA expansion agent, 30% limestone powder, 5% dispersible latex powder, 5% elastic acrylic emulsion.

Embodiment 2

[0032] According to the content provided by the present invention, according to the conventional preparation method in the prior art, the inventor mixed the two-component external wall elastic anti-cracking waterproof putty with water to prepare two-component external wall putty 2, and the mass of the added water accounted for Wherein said two-component external wall elastic anti-cracking waterproof putty is 21% of the mass, wherein the proportion of each component of said two-component external wall elastic anti-cracking waterproof putty is as follows:

[0033] 50% cement, 10% fine quartz sand, 0.4% HPMC, 5% UEA expansion agent, 10% limestone powder, 4.6% dispersible latex powder, 15% elastic acrylic emulsion.

Embodiment 3

[0035] According to the content provided by the present invention, according to the conventional preparation method in the prior art, the inventor mixed the two-component external wall elastic anti-cracking waterproof putty with water to prepare two-component external wall putty 3, and the mass of the added water accounted for Wherein said two-component external wall elastic anti-cracking waterproof putty is 23% of the mass, wherein the proportion of each component of said two-component external wall elastic anti-cracking waterproof putty is as follows:

[0036] 30% cement, 30% fine quartz sand, 0.6% HPMC, 8% UEA expansion agent, 15% limestone powder, 3% dispersible latex powder, 13.4% elastic acrylic emulsion.

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Abstract

The invention provides two-component elastic anti-cracking waterproof putty for exterior walls, which comprises the following components: cement, fine quartz sand, HPMC (hydroxy propyl methyl cellulose), a UEA expanding agent, limestone flour, dispersible latex powder, and elastic acrylic emulsion. In case that the two-component elastic anti-cracking waterproof putty for exterior walls is used as a putty layer, the putty layer has certain elastic deformation, and due to the elastic action of the putty, the cracking of the putty layer caused by the micro-cracking of a mortar layer can be reduced; and the putty has water repellency, so that the putty can increase the waterproof level of a building exterior wall, thereby greatly increasing the water repellency and aging resistance of the wall surface.

Description

technical field [0001] The invention relates to the field of building exterior wall putty, in particular to a two-component exterior wall elastic anti-cracking waterproof putty. Background technique [0002] The putty material used in the construction of paint finishes is often rigid, and the mortar layer is also rigid. If the mortar layer has microcracks, it will inevitably lead to cracking of the putty layer and cause cracks in the paint layer. Cracking condition such as figure 2 , 3 As shown, microcracks in the mortar layer due to factors such as temperature difference, humidity difference, and vibration are common problems, which will eventually cause the paint layer to lose its decorative effect after a few years. If the putty layer has elasticity and water resistance, the generation of cracks can be greatly slowed down, and the decorative effect and durability of the outer wall surface can be greatly enhanced. [0003] At present, more and more building exterior wal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/34
CPCC09D5/34
Inventor 周常林蒋金明陈均侨林宏刚尧炼
Owner 广州协堡建材有限公司
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