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Energy-saving environment-friendly mortar admixture for increasing coating area and preparation method thereof

An energy-saving, environment-friendly, and smearing area technology, applied in the field of building materials, can solve the problems of limited increase in mortar strength, unstable strength, and increased production costs, and achieve improved fluidity and water retention, reduced labor intensity, and improved masonry progress. Effect

Inactive Publication Date: 2019-03-15
HUNAN XIANFENG BUILDING MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, lime is often used in mortars in the prior art, which will not only increase production costs, but also bring environmental problems
There are some mortar admixtures in the prior art, such as mortar essence, mortar king, etc., which play a certain role in improving the workability of building mortar, but the strength of mortar is limited and unstable

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Raw materials (parts by weight) of the energy-saving and environment-friendly mortar admixture for increasing the smearing area: 630 parts of ore powder, 280 parts of sepiolite, 10 parts of white carbon black, and 80 parts of AES.

[0048] The ore powder is barite.

[0049] The preparation method of the energy-saving and environment-friendly mortar admixture that increases the smearing area includes the following steps: adding ore powder, sepiolite, and white carbon black to the mixer in sequence, stirring at 80 rpm for 30 minutes, and then adding AES, Stir at 80 rpm for 30 minutes to obtain the energy-saving and environment-friendly mortar admixture that increases the application area.

Embodiment 2

[0051] Raw materials (parts by weight) of the energy-saving and environment-friendly mortar admixture for increasing the smearing area: 630 parts of ore powder, 280 parts of modified sepiolite, 10 parts of white carbon black, and 80 parts of AES.

[0052] The ore powder is barite.

[0053] The modified sepiolite is prepared by the following method, wherein the parts are parts by weight:

[0054] (1) Mix 10 parts of sepiolite and 100 parts of water, then add 1 part of sodium hexametaphosphate, stir for 30 minutes at 80 rpm, and centrifuge at 5000 rpm for 15 minutes to obtain the lower layer of precipitation, and the lower layer of precipitation in Dry at 90°C for 6 hours, grind, and pass through a 800-mesh sieve to obtain purified sepiolite;

[0055] (2) heating the purified sepiolite to 350°C at 10°C / min, and keeping it at 350°C for 50 minutes to obtain thermally modified sepiolite;

[0056] (3) Dissolve 2 parts of titanate coupling agent with 10 parts of ethanol to obtain a...

Embodiment 3

[0060] Raw materials (parts by weight) of the energy-saving and environment-friendly mortar admixture for increasing the smearing area: 630 parts of ore powder, 280 parts of modified sepiolite, 10 parts of white carbon black, and 80 parts of AES.

[0061] The ore powder is barite.

[0062] The modified sepiolite is prepared by the following method, wherein the parts are parts by weight:

[0063] (1) Mix 10 parts of sepiolite and 100 parts of water, then add 1 part of sodium hexametaphosphate, stir for 30 minutes at 80 rpm, and centrifuge at 5000 rpm for 15 minutes to obtain the lower layer of precipitation, and the lower layer of precipitation in Dry at 90°C for 6 hours, grind, and pass through a 800-mesh sieve to obtain purified sepiolite;

[0064] (2) heating the purified sepiolite to 350°C at 10°C / min, and keeping it at 350°C for 50 minutes to obtain thermally modified sepiolite;

[0065] (3) Dissolve cerium nitrate and zinc nitrate in water respectively, make 0.1mol / L ce...

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Abstract

The invention discloses an energy-saving environment-friendly mortar admixture for increasing the application area and a preparation method thereof. The energy-saving environment-friendly mortar admixture for increasing application area comprises the following raw materials in parts by weight: 580-680 parts of ore powder, 250-350 parts of sepiolite, 8-12 parts of white carbon black and 60-100 parts of AES. The obtained energy-saving environment-friendly mortar admixture can replace the whole lime in mixed mortar and generate micro emulsified foaming in the mortar to improve the mortar yield ofthe mortar after stirring without reducing the mortar yield by replacing the lime, can efficiently diffuse the agglomerated cement masses for thorough hydration so as to significantly enhance the strength of the mortar, and can significantly improve the workability of the mortar so as to ensure the good fluidity and water retention of the mortar, make the mortar soft, plastic and elastic, reducethe labor intensity of workers, improve the efficiency and improve the progress of masonry.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to an energy-saving and environment-friendly mortar admixture for increasing the application area and a preparation method thereof. Background technique [0002] The main performance indicators of mortar include strength and workability. Among them, the strength mainly refers to the compressive strength of the mortar after molding, which depends on the composition, degree of hydration and coagulation effect; the workability of the construction mainly refers to the ease of construction operations of the mortar, including mixing, transportation, pouring, tamping, etc. , and can obtain the performance of uniform quality and compact molding, which includes thixotropy, fluidity, cohesiveness and water retention. [0003] With the development of social economy, the cost of labor is getting higher and higher, and higher requirements are put forward for the quality and effect of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B24/16C04B24/38C04B20/04C04B20/02C04B14/04
CPCC04B20/04C04B40/0039C04B14/368C04B14/06C04B14/042C04B24/166C04B20/023C04B20/026C04B24/085C04B24/383
Inventor 段平娥
Owner HUNAN XIANFENG BUILDING MATERIAL
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