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Soybean meal-based foam concrete foaming agent as well as preparation method and application thereof

A foamed concrete and foaming agent technology, applied in the field of foamed concrete, can solve the problems of low foaming strength, poor anti-corrosion performance, poor stability, etc., and achieve the effects of strong foaming ability, high stability and improved foaming performance

Active Publication Date: 2020-06-05
浙江同为建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the disadvantages of low foaming strength, poor stability, high cost and poor anti-corrosion performance of protein foaming agents in the prior art, the purpose of the present invention is to provide a soybean meal-based foam concrete foaming agent and its preparation method , using soybean meal with rich resources and low cost as protein raw material, the prepared soybean meal-based foam concrete foaming agent can be stored for a long time, has strong foaming ability, simple process, low cost, non-toxic and environmental protection, effectively improves foaming ability, foaming Stability and Concrete Compatibility

Method used

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  • Soybean meal-based foam concrete foaming agent as well as preparation method and application thereof
  • Soybean meal-based foam concrete foaming agent as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] The preparation method of the soybean meal-based foam concrete foaming agent provided by the present embodiment comprises the following steps:

[0039] (1) In terms of parts by mass, weigh 20 parts of soybean meal and add it to a reaction kettle filled with 100 parts of water, then add 10 parts of aqueous sodium hydroxide solution with a mass fraction of 30% under stirring conditions to adjust the pH value of the reaction solution to 10°C, and heated to 60°C under stirring conditions, and continued to react for 80 minutes. After the reaction was completed, the reacted material was placed in a centrifuge, and centrifuged at a speed of 4000r / min for 5 minutes, and the obtained supernatant was immediately foamed. The agent mother liquor is put into the beaker, standby;

[0040] (2) Place the beaker in a magnetic stirrer with digital speed measurement and constant temperature, then weigh 8 parts of sodium dodecylbenzenesulfonate, 1 part of s-triazine, and 2 parts of gelatin...

Embodiment 2

[0043] The preparation method of the soybean meal-based foam concrete foaming agent provided by the present embodiment comprises the following steps:

[0044] (1) In terms of parts by mass, weigh 10 parts of soybean meal and add it to a reaction kettle filled with 100 parts of water, then add 11 parts of sodium hydroxide aqueous solution with a mass fraction of 30% under stirring conditions, and adjust the pH value to 11 , and heated up to 40°C under stirring conditions, and continued to react for 50 minutes. After the reaction was completed, the reacted material was placed in a centrifuge, and centrifuged at a speed of 4000r / min for 5 minutes, and the obtained supernatant was foaming agent mother liquor Put in a beaker and set aside;

[0045] (2) Place the beaker in a magnetic stirrer with digital speed measurement and constant temperature, then weigh 2 parts of sodium dodecylbenzenesulfonate, 2 parts of s-triazine, and 1 part of gelatin into the beaker, at room temperature a...

Embodiment 3

[0048] The preparation method of the soybean meal-based foam concrete foaming agent provided by the present embodiment comprises the following steps:

[0049] (1) In terms of parts by mass, weigh 15 parts of soybean meal and add it to a reaction kettle filled with 110 parts of water, then add 10 parts of aqueous sodium hydroxide solution with a mass fraction of 30% under stirring conditions, and adjust the pH value to 9 , and continue to react at room temperature under stirring conditions for 80 minutes. After the reaction is completed, the reacted material is placed in a centrifuge, centrifuged at a speed of 4000r / min for 5 minutes, and the obtained supernatant, which is the foaming agent mother liquor, is placed in a beaker, set aside;

[0050] (2) Place the beaker in a magnetic stirrer with digital speed measurement and constant temperature, then weigh 3 parts of sodium dodecylbenzenesulfonate, 0.5 parts of sodium hydroxymethylglycinate, 0.5 parts of s-triazine, and 2 parts...

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Abstract

The invention discloses a soybean meal-based foam concrete foaming agent as well as a preparation method and application thereof. The soybean meal-based foam concrete foaming agent is obtained by taking soybean meal as a foaming agent raw material, extracting protein by using an alkali extraction method to prepare a foaming agent mother solution, adding a surfactant, a foam stabilizer and a preservative into the foaming agent mother solution, and uniformly stirring. The soybean meal-based foam concrete foaming agent can be applied to preparation of foam concrete. The prepared soybean meal-based foam concrete foaming agent can be stored for a long time, is strong in foaming capacity, simple in process, relatively low in cost, non-toxic and environment-friendly, and effectively improves thefoaming capacity, the foaming stability and the concrete compatibility.

Description

technical field [0001] The invention belongs to the technical field of foam concrete, and relates to a concrete foaming agent, in particular to the preparation and application of a soybean meal-based foam concrete foaming agent. Background technique [0002] With the development of society, the shortage of resources and the deterioration of the environment, all walks of life pay more attention to energy saving, emission reduction and green environmental protection. As one of the most developed industries, the construction industry has gradually increased the use of green building materials in recent years. From 2000 to 2005, the insulation material was mainly rigid plastic insulation board made of polystyrene foam particles, and it is still widely used. This kind of rigid organic insulation board is used as the main insulation material for buildings. Due to its short service life, poor durability, flammability and toxicity, it also violates the principles of green buildings...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B24/20C04B24/14C04B28/00C04B38/10C04B111/40
CPCC04B40/0039C04B24/14C04B28/00C04B38/10C07K1/145C04B2111/40C04B24/20C04B2103/67C04B2103/48
Inventor 王益群黄阳波王荣辉杨中英赵天成王腾飞
Owner 浙江同为建材有限公司