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Low cost cement self-leveling mortar

A self-leveling mortar, low-cost technology, applied in the direction of sustainable waste treatment, solid waste management, climate sustainability, etc., can solve the problems of high cost, affecting the superiority of cement, etc., achieve low cost, improve workability and Construction performance, effect of improving crack resistance

Active Publication Date: 2009-08-05
北京联合荣大工程材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Most of the current cement-based self-leveling mortars are mixed with a large amount of dispersible latex powder, which not only costs a lot, but also affects the advantages of various cements.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] Material Proportion range (by weight)

[0028] 36 parts of quartz sand

[0029] Portland cement 25 parts

[0030] 10 parts quick-hardening cement

[0031] gypsum 7 parts

[0032] Zeolite powder 5 parts

[0033] Wollastonite powder 5 parts

[0034] Fly ash 12 parts

[0035] 0.2 parts of water reducer

[0036] Retarder 0.06 parts

[0037] 0.1 part of defoamer

[0038] The above materials are mixed according to the weight ratio and fully stirred with a mixer to form a cement-based self-leveling mortar with good performance.

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PUM

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Abstract

The invention relates to a low cost cement self-leveling mortar, which does not contain redispersible emulsion, and is doped with zeolite powder, wollastonite powder and fly ash on the basis of a three-phase system containing silicate cement, quick hardening cement and quick hardening anhydrite so as to meet practical engineering needs. The zeolite powder, the wollastonite powder and the fly ash, under the excitation of a cement hydrate, not only have self-maintenance and crack resistance, but also play a role in replacing the cement partially so that the performance of the prepared cement self-leveling mortar is superior to that of the self-leveling mortar added with a large amount of polymer rubber powder, and the cost of the prepared cement self-leveling mortar is comparatively lower.

Description

technical field [0001] The invention is a cement-based self-leveling mortar. technical background [0002] Cement-based self-leveling mortar is a kind of dry powder premixed mortar, which is widely used for leveling indoor floors of public buildings such as residences, hospitals, supermarkets, and light industrial floors. Cement-based self-leveling mortar has the characteristics of good fluidity, self-leveling, convenient construction, and fast hardening in the freshly mixed state. The hardened cement-based self-leveling mortar has high compressive and flexural strength, high bonding strength, and volume stability. nice features. Using cement-based self-leveling mortar to level the ground construction can greatly improve the construction efficiency and quality. [0003] Most of the current cement-based self-leveling mortars are mixed with a large amount of dispersible latex powder, which not only costs a lot, but also affects the advantages of various cements. Contents o...

Claims

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Application Information

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IPC IPC(8): C04B28/04C04B14/06C04B22/14C04B18/08C04B111/62
CPCC04B2111/62C04B28/04C04B2111/00103C04B28/16C04B2111/343Y02W30/91C04B7/02C04B14/043C04B14/047C04B14/06C04B18/08C04B24/2641C04B2103/20C04B2103/50C04B22/143C04B2103/302
Inventor 章荣会
Owner 北京联合荣大工程材料股份有限公司
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