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Water reducing flow increasing agent of concrete

A technology of concrete and methoxy, which is applied in the field of concrete water-reducing agent and fluidity-increasing additives. It can solve the problems of single water-reducing function and poor fluidity of concrete construction, and achieve convenient construction, easy product quality control, and increased Effect of cement strength and compactness

Active Publication Date: 2012-11-07
SHANXI GERUITE BUILDING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0002] At present, there are many kinds of water reducing agents on the market, such as patents CN101575186B, CN100381386C, CN100395206C, CN100386282C, CN100345789C, etc. Some of their functions are for retarding, some are for reducing costs by using low-cost raw materials, or using recycled raw materials for environmental protection. All have a single function of reducing water, these products will cause the problem of poor fluidity of concrete construction

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] Concrete water-reducing and flow-increasing agent prepared according to the following weight percentages: polyether 85%, acrylic acid 10.2%, thioglycolic acid 0.3%, hydrogen peroxide 0.26%, sodium hydroxide 4%, simethicone 0.2%, polyacrylamide 0.04% . After being mixed with cement, it is characterized by fast flow rate and high strength.

Embodiment 2

[0011] Concrete water-reducing and flow-increasing agent prepared according to the following weight percentages: polyether 87%, acrylic acid 8.96%, thioglycolic acid 0.2%, hydrogen peroxide 0.3%, sodium hydroxide 3.3%, simethicone 0.2%, polyacrylamide 0.04% . When mixed with cement, it is characterized by higher strength.

Embodiment 3

[0013] Concrete water reducing and flow increasing agent prepared according to the following weight percentage: polyether 87%, acrylic acid 9.3%, thioglycolic acid 0.22%, hydrogen peroxide 0.33%, sodium hydroxide 3%, simethicone 0.1%, polyacrylamide 0.05% . When mixed with cement, it is characterized by a faster flow rate.

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Abstract

A water reducing flow increasing agent of concrete is prepared by methoxy polyethylene glycol allyl end capping polyether, crylic acid, mercaptoacetic acid, hydrogen peroxide, sodium hydroxide, simethicone and polyacrylamide. The agent has the advantages of being low in manufacture cost, simple in production process, apt to control product quality and capable of improving mobility and cement strength and compactness if added in cement, mortar and concrete and facilitating construction.

Description

technical field [0001] The invention relates to a concrete additive, in particular to a concrete water reducer and an additive for increasing fluidity. Background technique [0002] At present, there are many kinds of water reducing agents on the market, such as patents CN101575186B, CN100381386C, CN100395206C, CN100386282C, CN100345789C, etc. Some of their functions are for retarding, some are for reducing costs by using low-cost raw materials, or using recycled raw materials for environmental protection. All have a single water-reducing function, and these products will cause poor fluidity in concrete construction. Contents of the invention [0003] The purpose of the invention is to overcome the deficiencies in the prior art and provide a concrete water-reducing and flow-increasing agent for increasing fluidity. [0004] In order to achieve the above object, the technical scheme adopted in the present invention is: [0005] A concrete water-reducing and flow-increasin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B24/42C04B103/30
Inventor 杨存义郭武军
Owner SHANXI GERUITE BUILDING TECH
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