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Multifunctional dry-mixed mortar admixture and preparation method thereof

A dry-mixed mortar, multi-functional technology, applied in the field of multi-functional dry-mixed mortar admixture and its preparation, can solve water retention, sagging resistance, strength to be improved, dry-mixed mortar quality is not high, no reusable materials to improve water retention and workability, prevent segregation, and increase compressive strength

Inactive Publication Date: 2018-08-24
滁州市炬基节能新型建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, dry-mixed mortar admixtures are mainly traditional mortar admixtures, and even concrete admixtures are used, which makes the quality of dry-mixed mortar not high
[0003] The water retention, sagging resistance and strength of the traditional dry-mixed mortar admixture need to be improved, and no environmentally friendly reusable materials are used. Therefore, we introduce a multifunctional dry-mixed mortar admixture and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A multifunctional dry-mixed mortar admixture, including white mud remaining after papermaking, redispersible polymer rubber powder, cellulose ether, coagulation regulator, water repellent, starch ether, defoamer, methyl cellulose, Antifreeze, calculated by weight components as follows: 15 parts of lime mud remaining after papermaking, 15 parts of redispersible polymer rubber powder, 14 parts of cellulose ether, 1 part of coagulation regulator, 1 part of waterproofing agent, 5 parts of starch ether 1 part, 1 part of defoamer, 10 parts of methyl cellulose, 1 part of antifreeze.

[0022] The antifreeze is sodium nitrite.

[0023] The waterproofing agent is a superplasticizer.

[0024] The coagulation regulator is calcium formate.

[0025] The defoamer is polyhydric alcohol.

[0026] The redispersible polymer rubber powder is vinyl acetate and ethylene copolymer rubber powder.

[0027] At the same time, the invention discloses a preparation method of a multifunctional d...

Embodiment 2

[0034] A multifunctional dry-mixed mortar admixture, including white mud remaining after papermaking, redispersible polymer rubber powder, cellulose ether, coagulation regulator, water repellent, starch ether, defoamer, methyl cellulose, Antifreeze, calculated by weight components as follows: 16 parts of lime mud remaining after papermaking, 16 parts of redispersible polymer rubber powder, 14 parts of cellulose ether, 1 part of coagulation regulator, 1 part of waterproofing agent, 5 parts of starch ether 1 part, 1 part of defoamer, 10 parts of methyl cellulose, 1 part of antifreeze.

[0035] The antifreeze is calcium nitrite.

[0036] The waterproofing agent is a lignin water reducing agent.

[0037] The coagulant is aluminate.

[0038] The defoamer is polysiloxane.

[0039] The redispersible polymer rubber powder is vinyl acetate and ethylene copolymer rubber powder.

[0040] At the same time, the invention discloses a preparation method of a multifunctional dry-mixed mor...

Embodiment 3

[0047] A multifunctional dry-mixed mortar admixture, including white mud remaining after papermaking, redispersible polymer rubber powder, cellulose ether, coagulation regulator, water repellent, starch ether, defoamer, methyl cellulose, Antifreeze, calculated by weight components as follows: 15 parts of lime mud remaining after papermaking, 15 parts of redispersible polymer rubber powder, 14 parts of cellulose ether, 1 part of coagulation regulator, 1 part of waterproofing agent, 5 parts of starch ether 1 part, 1 part of defoamer, 10 parts of methyl cellulose, 1 part of antifreeze.

[0048] The antifreeze is calcium nitrite.

[0049] The waterproofing agent is a superplasticizer.

[0050] The coagulant is calcium formate.

[0051] The defoamer is polysiloxane.

[0052] The redispersible polymer rubber powder is vinyl acetate and ethylene copolymer rubber powder.

[0053] At the same time, the invention discloses a preparation method of a multifunctional dry-mixed mortar a...

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PUM

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Abstract

The invention discloses a multifunctional dry-mixed mortar admixture, comprising, by weight, 15-20 parts of white clay left from papermaking, 10-15 parts of redispersible polymer powder, 10-14 parts of cellulose ether, 1-2 parts of a retarder, 1-3 parts of a waterproofing agent, 5-8 parts of starch ether, 1-2 parts of a defoaming agent, 10-12 parts of methyl cellulose, and 1-2 parts of an anti-freezing agent. The redispersible polymer powder added herein can improve water-holding property and working performance of newly-mixed mortar, as well as its flexibility, deforming performance, grindability and toughness. A water reducer added herein can decrease the water demand of mortar, so that compressive strength of the mortar is improved; the white clay from papermaking enables waste to be reused, thereby saving energy, protecting environment and arriving at good economy and practicality.

Description

technical field [0001] The invention relates to the technical field of dry-mixed mortar admixture, in particular to a multifunctional dry-mixed mortar admixture and a preparation method thereof. Background technique [0002] With the continuous improvement of people's requirements for environmental protection and construction quality, people pay more and more attention to the quality of dry-mixed mortar. Adding dry-mixed mortar admixture to dry-mixed mortar can not only improve the workability, water retention and sag resistance of the mortar , strength and other properties, and can enrich the variety of dry-mixed mortar and expand the application field of dry-mixed mortar. At present, dry-mixed mortar admixtures are mainly traditional mortar admixtures, and even concrete admixtures are used, which makes the quality of dry-mixed mortar not high. [0003] The traditional dry-mixed mortar admixture needs to be improved in water retention, sagging resistance, and strength, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B24/42
CPCC04B40/0039C04B14/28C04B24/26C04B24/383C04B22/085C04B2103/32C04B24/04C04B24/02C04B22/0093C04B24/24C04B24/42
Inventor 詹宁王磊
Owner 滁州市炬基节能新型建材有限公司