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Compression-resistant cement modifier

A technology of anti-compression modifier and cement, which is applied in the field of cement anti-compression modifier, which can solve the problems of low cost, small cohesive force, non-wear resistance, etc., and achieve the effect of performance improvement and low cost

Inactive Publication Date: 2015-04-29
QINGDAO DESHENGTAI CONSTR INSTALLATION ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a cement anti-pressure modifier, which is low in cost and better solves the problems of cement hardening, poor water resistance, small cohesive force, and non-wear resistance. , non-freezing and other technical problems

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] The invention is a cement anti-compression modifier, which is made of the following raw materials in parts by weight:

[0011] 3.2 parts of acacia, 2.6 parts of calcium oxide, 4.5 parts of zeolite powder, 7 parts of modified soybean protein powder, 3.3 parts of methanol, 1.6 parts of γ-mercaptopropyltrimethoxysilane, 2.7 parts of aminosilane coupling agent and bisphenol A type 5.6 parts of epoxy resin aqueous emulsion.

Embodiment 2

[0013] The invention is a cement anti-compression modifier, which is made of the following raw materials in parts by weight:

[0014] 2.5 parts of acacia, 1.5 parts of calcium oxide, 2.5 parts of zeolite powder, 3 parts of modified soybean protein powder, 2.5 parts of methanol, 0.8 parts of γ-mercaptopropyltrimethoxysilane, 1.5 parts of aminosilane coupling agent and bisphenol A type 3.5 parts of epoxy resin aqueous emulsion.

Embodiment 3

[0016] The invention is a cement anti-compression modifier, which is made of the following raw materials in parts by weight:

[0017] 3.8 parts of acacia, 3.6 parts of calcium oxide, 5 parts of zeolite powder, 8 parts of modified soybean protein powder, 5 parts of methanol, 2.2 parts of γ-mercaptopropyltrimethoxysilane, 3.6 parts of aminosilane coupling agent and bisphenol A type 6.8 parts of epoxy resin aqueous emulsion.

[0018] Compared with the existing cement modifiers, the present invention has low cost and better solves the technical problems of cement hardening, poor water resistance, small cohesive force, non-abrasion resistance, and non-freezing resistance; after a large number of test verifications, After the modifier of the present invention is added to ordinary cement, the above-mentioned properties of ordinary cement are greatly improved.

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Abstract

The invention discloses a compression-resistant cement modifier prepared from the following raw materials in parts by weight: 2.5-3.8 parts of gleditsia sinensis, 1.5-3.6 parts of calcium oxide, 2.5-5 parts of zeolite powder, 3-8 parts of modified soybean protein powder, 2.5-5 parts of methanol, 0.8-2.2 parts of gamma-trimethoxysilylpropanethiol, 1.5-3.6 parts of an aminosilane coupling agent and 3.5-6.8 parts of a bisphenol A epoxy resin aqueous emulsion. Compared with the existing cement modifier, the compression-resistant cement modifier is low in cost and capable of better solving the technical problems such as cement hardening, poor water resistance, small cementing power, no wear resistance and no frost resistance; and a great number of experiments prove that all the performances of Portland cement are greatly improved after the modifier disclosed by the invention is added into the Portland cement.

Description

Technical field [0001] The invention involves a cement anti -voltage modified agent, which is the field of building materials. Background technique [0002] At present, the cement used in the building is prone to hardened phenomenon, mainly due to calcium hydroxide, calcium silicate and hydration.Such cement is prone to cracking, which in turn leads to low strength and low toughness.In order to solve this problem, it is generally necessary to add a modified agent to such cement to improve the phenomenon of cement sclerosis.However, some ordinary cement also has defects such as poor waterproofing, small adhesion, abrasion resistance, and non -freezing.In order to solve these problems of ordinary cement, a variety of different modified agents, additives, etc. are needed. Although the performance of the cement is good, it greatly increases the cost of cement.Due to the different components of each additive, the components in different additives may also react, resulting in the pheno...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B24/42C04B24/14
Inventor 王朝
Owner QINGDAO DESHENGTAI CONSTR INSTALLATION ENG
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