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Toughened anti-cracking heat-insulating cement mortar and preparation method thereof

A thermal insulation mortar, anti-cracking technology, applied in the field of cement mortar, can solve the problems of surface hollowing, cracking, falling off, etc., to achieve good slump retention, reduce early cracking, and improve early strength.

Inactive Publication Date: 2018-07-20
合肥易美特建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the continuous promotion of low-carbon environmental protection and building energy saving and the continuous improvement of people's demand for the comfort of living environment, people pay more and more attention to thermal insulation mortar. In recent years, there are many researches on thermal insulation mortar in my country. Mortar has exposed many defects during use, such as surface hollowing, cracking, falling off, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A toughened and anti-cracking cement insulation mortar, comprising the following raw materials: 85 parts of Portland cement, 25 parts of modified zeolite, 25 parts of quartz sand, 25 parts of butyl acrylate, 10 parts of forming agent, and tributyl phosphate 5 parts, 5 parts of modified coconut fiber, 5 parts of carbon fiber-graphene reinforcing agent, 2 parts of hydroxypropyl methylcellulose, 2 parts of sodium carbonate, 2 parts of adhesive, 1 part of calcium chloride, hydroxypropyl methylcellulose 1 part of base cellulose ether, 1 part of sodium dodecylbenzenesulfonate and 55 parts of water.

[0032] in,

[0033] The forming agent includes the following raw materials: 4 parts of silica sol, 4 parts of activated wood powder fiber, 1 part of polyvinyl alcohol, 0.5 part of sodium aluminate, 0.5 part of calcium formate, 0.2 part of polyethylene glycol monoallyl ether 0.2 part of 3-aminopropyltrimethoxysilane, 0.1 part of sodium gluconate and 0.1 part of calcium pantothena...

Embodiment 2

[0055] A toughened and anti-cracking cement insulation mortar, comprising the following raw materials: 105 parts of Portland cement, 30 parts of modified zeolite, 30 parts of quartz sand, 30 parts of butyl acrylate, 20 parts of forming agent, and tributyl phosphate 10 parts, 10 parts of modified coconut fiber, 10 parts of carbon fiber-graphene reinforcing agent, 6 parts of hydroxypropyl methylcellulose, 6 parts of sodium carbonate, 6 parts of binder, 4 parts of calcium chloride, hydroxypropyl methylcellulose 4 parts of base cellulose ether, 4 parts of sodium dodecylbenzenesulfonate and 65 parts of water.

[0056] in,

[0057] The molding agent includes the following raw materials: 6 parts of silica sol, 6 parts of activated wood powder fiber, 2 parts of polyvinyl alcohol, 0.8 part of sodium aluminate, 0.8 part of calcium formate, 0.4 part of polyethylene glycol monoallyl ether 0.4 parts of 3-aminopropyltrimethoxysilane, 0.3 parts of sodium gluconate and 0.3 parts of calcium p...

Embodiment 3

[0079] A toughened and anti-cracking cement insulation mortar, comprising the following raw materials: 95 parts of Portland cement, 27.5 parts of modified zeolite, 27.5 parts of quartz sand, 27.5 parts of butyl acrylate, 15 parts of forming agent, and tributyl phosphate 7.5 parts, 7.5 parts of modified coconut fiber, 7.5 parts of carbon fiber-graphene reinforcing agent, 4 parts of hydroxypropyl methylcellulose, 4 parts of sodium carbonate, 4 parts of binder, 2.5 parts of calcium chloride, hydroxypropyl methylcellulose 2.5 parts of base cellulose ether, 12.5 parts of sodium dodecylbenzenesulfonate and 60 parts of water.

[0080] in,

[0081] The molding agent includes the following raw materials: 5 parts of silica sol, 5 parts of activated wood flour fiber, 1.5 parts of polyvinyl alcohol, 0.65 parts of sodium aluminate, 0.65 parts of calcium formate, 0.3 parts of polyethylene glycol monoallyl ether 0.3 part of 3-aminopropyltrimethoxysilane, 0.2 part of sodium gluconate and 0.2...

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PUM

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Abstract

The invention discloses toughened anti-cracking heat-insulating cement mortar and a preparation method thereof, and relates to the technical field of cement mortar. The toughened anti-cracking heat-insulating cement mortar comprises, by parts, 85-105 parts of Portland cement, 25-30 parts of modified zeolite, 25-30 parts of quartz sand, 25-30 parts of butyl acrylate, 10-20 parts of molding agent, 5-10 parts of tributyl phosphate, 5-10 parts of modified coconut fiber, 5-10 parts of carbon fiber and graphene reinforcing agent, 2-6 parts of hydroxypropylmethylcellulose, 2-6 parts of sodium carbonate, 2-6 parts of binder, 1-4 parts of calcium chloride, 1-4 parts of hydroxypropylmethylcellulose ether, 1-4 parts of sodium dodecylbenzene sulfonate and 55-65 parts of water. The anti-cracking performance and the heat insulation of the cement mortar are improved.

Description

technical field [0001] The invention relates to the technical field of cement mortar, in particular to a toughened and anti-cracking cement insulation mortar and a preparation method thereof. Background technique [0002] Insulation mortar is a kind of ready-mixed dry powder mortar made of various light materials as aggregate, cement as cement, mixed with some modified additives, and mixed by the production enterprise. It is used to construct the insulation layer of the building surface a building material. With the continuous promotion of low-carbon environmental protection and building energy saving and the continuous improvement of people's demand for the comfort of living environment, people pay more and more attention to thermal insulation mortar. In recent years, there are many researches on thermal insulation mortar in my country. During the use of mortar, many defects have been exposed, such as surface hollowing, cracking, falling off, etc. Contents of the inventio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C01B32/184
CPCC04B28/04C04B14/047C04B14/06C04B24/045C04B24/003C04B18/248C04B14/386C04B14/024C04B24/383C04B22/10C04B22/124C04B24/16C04B24/2623C04B24/04C04B24/32C04B24/42C04B24/06C04B18/26C04B14/062C04B14/104C04B24/38
Inventor 朱明静
Owner 合肥易美特建材有限公司
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