Composite foaming agent for concrete

A compound type, foaming agent technology, applied in the field of building materials, can solve the problems of difficult industrial operation, poor foam stability, high foaming power, etc., and achieve the effect of simple preparation process, good foaming power and low cost

Inactive 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

Commonly used foaming agents with high cost performance are alkyl sulfonate series such as sodium dodecylbenzene sulfonate, which have h

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0012] Example

[0013] The composite foaming agent for concrete is made by mixing and stirring the following raw materials uniformly at room temperature: 15 parts of saponin, 5 parts of sodium dodecylbenzene sulfonate, 1.8 parts of sodium lauryl sulfate, poly 2.5 parts of ethylene glycol, 3 parts of gelatin, 0.8 parts of modified diatomaceous earth, 0.35 parts of methyl glucoside polyoxyethylene ether, 1.6 parts of polyacrylic resin, and 65 parts of water.

[0014] Wherein, the modified diatomaceous earth is prepared by the following method: first soak with 15% hydrochloric acid for 4 hours, wash with deionized water, then soak with 15% sodium hydroxide solution for 4 hours, and then wash with deionized water to Neutral, dry, add 3% sodium carboxymethyl cellulose, 2% triethanolamine, 2% sucrose by weight of diatomaceous earth, stir at 1500 rpm for 5 minutes to obtain a dispersion, and finally dry the dispersion Dry pulverize into superfine powder.

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PUM

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Abstract

The invention discloses a composite foaming agent for concrete. The foaming agent is prepared by evenly mixing the following materials at room temperature, by weight: 10-15 parts of saponin, 3-5 parts of sodium dodecyl benzene sulfonate, 1-2 parts of lauryl sodium sulfate, 2-3 parts of polyethylene glycol, 3-4 parts of gelatin, 0.5-1 part of modified diatomite, 0.2-0.5 part of polyoxyethylene methyl glucoside ether, 1-2 parts of polyacrylic acid resin and 60-70 parts of water. The invention has advantages of easily available raw materials, low cost and simple preparation process; the produced foaming agent has advantages of good stability, no deterioration and good foaming power, can reduce the usage amount of a foaming agent solution, does not affect indexes such as dry density and compressive strength of the foam concrete, and has good development prospects.

Description

technical field [0001] The invention relates to a composite foaming agent for concrete, which belongs to the field of building materials. 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 application of blowing agent in my country is much later than that in foreign countries. From the 1950s, my country began to produce and apply blowing agent. Commonly used foaming agents with high cost performance are alkyl sulfonate series such as sodium dodecylbenzene sulfonate, which have high foaming power in alkaline building materials ...

Claims

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Application Information

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IPC IPC(8): C04B24/28
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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