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Impervious cement mortar

A cement mortar and cement technology, applied in the field of impermeable cement mortar, can solve problems such as fluffing, cracking, hollowing, etc., and achieve the effects of strong permeability, simple operation method and strong activation.

Inactive Publication Date: 2018-10-02
南京嘉怡装饰设计有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Now the traditional cement mortar can no longer meet the needs of use, because when the traditional cement mortar is used as an exterior wall building, there will be problems such as hollowing, cracking, fluffing, and creases, which will easily cause the overall stability of the building

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] The impermeable cement mortar is composed of the following raw materials in parts by weight: 300 parts by weight of cement, 900 parts by weight of sand, 350 parts by weight of water, 900 parts by weight of recycled aggregate, and 5 parts by weight of water reducing agent.

Embodiment 2

[0045] The impermeable cement mortar is composed of the following raw materials in parts by weight: 300 parts by weight of cement, 900 parts by weight of sand, 350 parts by weight of water, 900 parts by weight of reinforced recycled aggregate, and 5 parts by weight of water reducing agent.

[0046] The strengthened recycled aggregate is prepared by the following method: spraying the nano-calcium carbonate composite polymer strengthening solution on the surface of the recycled aggregate, the weight ratio of the nano-calcium carbonate composite polymer strengthening solution to the recycled aggregate is 1:0.06, and at the same time Stir continuously, and after stirring at 200 rpm for 50 minutes, place it in a ventilated environment at 20°C for 72 hours to obtain reinforced recycled aggregate.

[0047] The nano-calcium carbonate composite polymer strengthening solution is obtained in the following manner: take an aqueous solution of calcium nitrate with a molar concentration of 0....

Embodiment 3

[0050] The impermeable cement mortar is composed of the following raw materials in parts by weight: 300 parts by weight of cement, 900 parts by weight of sand, 350 parts by weight of water, 900 parts by weight of reinforced recycled aggregate, and 5 parts by weight of water reducing agent.

[0051] The strengthened recycled aggregate is prepared by the following method: spraying the nano-calcium carbonate composite polymer strengthening solution on the surface of the recycled aggregate, the weight ratio of the nano-calcium carbonate composite polymer strengthening solution to the recycled aggregate is 1:0.06, and at the same time Stir continuously, and after stirring at 200 rpm for 50 minutes, place it in a ventilated environment at 20°C for 72 hours to obtain reinforced recycled aggregate.

[0052] The nano-calcium carbonate composite polymer strengthening solution is obtained in the following manner: take an aqueous solution of calcium nitrate with a molar concentration of 0....

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Abstract

The invention discloses impervious cement mortar, comprising cement, mortar, water, recycled aggregate or reinforced recycled aggregate, and a water reducer. A nano material is well combined with a polymer to obtain nano composite polymer slurry; the nano composite polymer slurry is used to reinforce the recycled aggregate that is effectively combined with cement, so that interfacial setting performance is enhanced; the recycled aggregate is also subjected to surface reinforcement so that the impervious cement mortar with excellent comprehensive performance is attained.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to an anti-seepage cement mortar. Background technique [0002] China is the country with the largest amount of housing construction in the world, and the total amount of building materials required is also the largest in the world. China's construction mortar has the fastest development and is also the country with the largest application volume. So its requirements are getting stricter. Now the traditional cement mortar can no longer meet the needs of use, because when the traditional cement mortar is used as an exterior wall building, there will be hollowing, cracking, fluffing, and creases, which will easily cause the overall stability of the building. [0003] Cement mortar in the prior art is formed by mixing cement, sand, admixtures, admixtures, water and the like. Regardless of whether natural river sand, mountain sand or machine-made sand is used to prepare ce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B20/10
CPCC04B28/00C04B20/1055C04B2111/00293C04B2111/52C04B2201/50C04B14/06C04B18/167C04B2103/302
Inventor 曾兵
Owner 南京嘉怡装饰设计有限公司
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