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Modified soy protein foaming agent for concrete

A technology of soybean protein and soybean protein powder, which is applied in the field of concrete foaming agents, can solve the problems of inability to carry out large-scale promotion, development and application constraints, and low product strength, so as to improve various performances, improve the effective service life, and prepare The effect of simple process

Active Publication Date: 2013-03-13
安徽艾柯泡塑股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Foaming agents in my country are generally not ideal, such as low quality and few functions. Although some foaming multiples are large enough, they have poor stability and low product strength, and due to limited raw material sources and high production costs, development and application It is greatly restricted and cannot be promoted on a large scale

Method used

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  • Modified soy protein foaming agent for concrete
  • Modified soy protein foaming agent for concrete

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Effect test

Embodiment

[0028] The preparation method of modified soybean protein concrete foaming agent comprises the following steps:

[0029] (1) Mix 12 parts of modified soybean protein powder, 0.15 parts of protease solution and 120 parts of water in a reactor, hydrolyze at 55°C for 8 hours, then inactivate enzymes, centrifuge, filter, and filtrate to obtain Modified soybean protein foaming agent mother liquor;

[0030] (2) Add 4 parts of cetyltrimethylammonium bromide, 3 parts of sodium dodecylbenzenesulfonate, 2 parts of rhamnolipid, and 2.5 parts of gum, 3 parts of carrageenan, 0.5 part of hydrogen peroxide, heated to 50 ° C, stirred evenly, after the raw materials are fully dissolved, cooled to room temperature to obtain the modified soybean protein concrete foaming agent.

[0031] Wherein, the modified soybean protein powder is prepared by the following method: adding an appropriate amount of distilled water to the soybean protein powder to make a 10% suspension, stirring evenl...

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Abstract

The invention discloses a modified soy protein foaming agent for concrete. The foaming agent consists of the following raw materials, by weight: 10-15 parts of a modified soy protein powder, 1-5 parts of hexadecyl trimethyl ammonium bromide, 1-5 parts of sodium dodecyl benzene sulfonate, 1-3 parts of rhamnolipid, 1-5 parts of Arabia gum, 1-5 parts of carrageenan, 0.1-1 part of hydrogen peroxide, 0.05-0.2 part of protease solution and 100-150 parts of water. The modified soy protein foaming agent for concrete provided by the invention can effectively improve the foaming capacity, foam stability, concrete compatibility, and various performances of the foam concrete, and provide technical support for preparation of novel wall material. The invention has advantages of simple product preparation process, low production cost, simple foaming process, high foaming rate of the foaming agent and good foam stability.

Description

technical field [0001] The invention relates to a concrete foaming agent, in particular to a modified soybean protein concrete foaming agent. Background technique [0002] With the improvement of the country's requirements for building energy-saving materials, foamed concrete has received more and more attention. Foamed concrete is made of cement, lime, fly ash, sand and admixtures and other main raw materials. A "tight cell" lightweight building material containing a large number of closed pores. Foaming agent is a key factor in the production of foamed concrete, and its performance directly determines the quality of foamed concrete. The concrete foaming agent requires that the foam produced should be small and uniform, with a long stable time, no large-scale cracking when it is added to the concrete, and uniform closed pores can be formed after the concrete is set, so that the foamed concrete that meets the national standard can be produced. products. [0003] In the pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B24/38C04B24/12
Inventor 王本明柯勇艾勇刘一宁徐昌军夏明明
Owner 安徽艾柯泡塑股份有限公司
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