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Preparation method of environment-friendly dry powder pointing agent

A kind of jointing agent and environment-friendly technology, which is applied in the field of preparation of environmental-friendly dry powder jointing agent, can solve the problems of easy occurrence of cracks, efflorescence, strong brittle alkalinity, high rigidity, etc., and is beneficial to industrial production and popularization and application. , The effect of high impermeability level and low cost

Inactive Publication Date: 2010-07-14
SHANGHAI UNIV +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to its high rigidity, brittleness and strong alkalinity, cement is prone to cracks and efflorescence, causing water seepage and discoloration

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Example 1: First weigh 10kg of 42.5 grade ordinary Portland cement, 60kg of slag powder, 25.9kg of calcite powder, 4kg of redispersible latex powder and 0.1kg of thickener according to the specified ratio, and put the above-mentioned ingredients into In the mixer, the environmentally friendly dry powder caulking agent can be obtained after thorough mixing and mixing.

Embodiment 2

[0026] Example 2: First, weigh 3kg 42.5-grade ordinary Portland cement, 75g slag powder, 19.3kg calcite powder, 2.5g redispersible latex powder and 0.2g thickener according to the specified ratio, and put the above-mentioned ingredients into In the mixer, the environmentally friendly dry powder caulking agent can be obtained after thorough mixing and mixing.

[0027] Take 1kg of the environmentally-friendly dry powder caulking agent prepared above, add 0.4kg of water, stir well to a paste shape, and leave it for 10 minutes, then it can be used for caulking of decorative tiles such as tiles or stone.

[0028] The environment-friendly dry powder caulking agents prepared in the above embodiments can all meet various technical performance indicators specified by relevant national standards.

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Abstract

The invention relates to a preparation method of an environment-friendly dry powder pointing agent taking slag powder as main raw materials, belonging to the technical field of building material preparation processes. The environment-friendly dry powder pointing agent comprises the raw materials in percentage by weight: 55-75 percent of slag powder, 2-10 percent of cement, 10-30 percent of calcite powder, 2-5 percent of re-dispersible emulsoid powder and 0.05-0.3 percent of thickening agent. The environment-friendly dry powder pointing agent has good caking property, good durability and high antiseepage grade, is not in contact with a tapestry brick, generates no cracks, and can effectively inhibit saltpetering. The invention widens a new approach for the resource utilization of the slag powder and has better social efficiency and economic benefit.

Description

Technical field [0001] The invention relates to a preparation method of an environment-friendly dry powder caulking agent using slag micropowder as the main raw material, and belongs to the technical field of building material preparation technology. Background technique [0002] Tile jointing agent, also known as caulking agent and caulking agent, is a joint material used to fill the gaps between tiles or stones. It cooperates with decorative materials such as tiles and stones to provide a beautiful finish and ensure the bonding between the facing tiles. And anti-seepage. With the rapid development of my country's construction industry, the requirements for tile jointing agent are getting higher and higher, and the amount is also increasing. Among the raw materials of the jointing agent, cement is an indispensable part. However, cement is prone to cracks and efflorescence due to its high rigidity and strong brittleness, causing water seepage and discoloration. Therefore, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/08
CPCC04B2111/00017C04B2111/00663C04B28/02C04B2111/00215Y02W30/91C04B14/28C04B18/141C04B24/2641C04B2103/44C04B24/2623C04B24/383
Inventor 杨佳俊郑爱新陆文雄麻新闻曹栋樑李小亮
Owner SHANGHAI UNIV
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