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An Alkali-resistant Foaming Agent and Its Application in Foamed Concrete

A foaming agent and alkali-resistant technology, applied in the field of foaming concrete foaming agent, can solve the problems of fluctuations in foam production capacity and foam stability, fluctuations in the alkalinity value of cement mixture, and affecting the foaming performance of the foaming agent , to achieve the effect of good foam stability, rich foam and improved production efficiency

Active Publication Date: 2020-06-23
武汉优城科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the inventors have found in production practice that cement often exhibits alkalinity during mixing, and due to the influence of cement clinker mineral composition, the alkalinity value of cement mixture tends to fluctuate greatly, which affects the foaming agent. foaming performance
The existing foaming agent is highly sensitive to the alkalinity of the foamed concrete mixture. When the alkalinity value of the material fluctuates greatly, its foaming ability and foam stability will fluctuate, which will lead to poor product quality. Unstable, the production ratio parameters must be adjusted to meet the requirements

Method used

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  • An Alkali-resistant Foaming Agent and Its Application in Foamed Concrete

Examples

Experimental program
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Effect test

Embodiment 1

[0030] An alkali-resistant foaming agent, comprising the following raw materials in parts by weight: 5 parts of sodium lauryl aminopropionate, 6 parts of alkyl betaines, 5 parts of alkyl amine oxides, 0.8 parts of triethanolamine, 1 part of cellulose ether, 62 parts of water. 79.8

[0031] The alkyl betaine is lauryl dimethyl betaine, the alkyl amine oxide is hexadecyl dimethyl amine oxide, the cellulose ether is hydroxypropyl methyl cellulose ether, and the viscosity is It is 30000mpa.s.

Embodiment 2

[0033] An alkali-resistant foaming agent, comprising the following raw materials in parts by weight: 6 parts of sodium lauryl aminopropionate, 5.5 parts of alkyl betaines, 6.5 parts of alkylamine oxides, 1.1 parts of lauryl alcohol, and 0.7 parts of cellulose ether , 59 parts of water. 78.8

[0034] The alkyl betaine is octadecyl dihydroxyethyl betaine, the alkyl amine oxide is dodecyl dihydroxyethyl amine oxide, and the cellulose ether is hydroxypropyl methyl cellulose ether , the viscosity is 30000mpa.s.

Embodiment 3

[0036] An alkali-resistant foaming agent, comprising the following raw materials in parts by weight: 5.5 parts of sodium lauryl aminopropionate, 6.8 parts of alkyl betaines, 5.6 parts of alkyl amine oxides, lauryl alcohol and stearyl alcohol in any proportion 0.9 parts of the mixture, 1.1 parts of cellulose ether, and 70 parts of water. 89.9

[0037]The alkyl betaine is a mixture of dodecyl dimethyl betaine and dodecyl dihydroxyethyl betaine in any proportion, and the alkyl amine oxide is hexadecyl dimethyl amine oxide , the cellulose ether is hydroxypropyl methylcellulose ether with a viscosity of 30000mpa.s.

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Abstract

The invention discloses an alkali-resistant foaming agent. The alkali-resistant foaming agent is prepared from, by weight, 5-8 parts of sodium lauraminopropionate, 5-10 parts of alkyl betaine, 5-10 parts of alkyl amine oxide, 0.5-2 parts of alcohol amine and 50-70 parts of water. The ampholytic surfactants having multiple different structures are compounded, the component content is optimized, better anion-cation structure proportion is obtained, the alkali-resistant performance is good, and the foaming agent obtained through compounding contains rich, fine and very stable foam. When the alkalinity of the prepared construction mixture fluctuates largely, the foaling agent still has high stability, the production quality of the foam concrete is ensured, the production efficiency is improved, and more convenience is brought to production.

Description

technical field [0001] The invention relates to the technical field of foam concrete foaming agent, more specifically, relates to an alkali-resistant foaming agent and its application in foam concrete. Background technique [0002] Foam concrete, also known as foam cement, lightweight concrete, etc., is a new type of building energy-saving material that is waste-friendly, environmentally friendly, energy-saving, inexpensive and non-combustible. The production of foam concrete is usually to fully foam the foaming agent solution by mechanical means, then evenly mix the foam and cement slurry, and finally cast and maintain it. Foamed concrete has simple construction procedures, good thermal insulation, sound insulation and sound absorption, compression and shock resistance, waterproof, and crack resistance. , Landscaping, underwater anti-erosion engineering and national defense and other fields are widely used. [0003] Foaming agent is one of the keys in the production proce...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B24/38C04B103/42
CPCC04B40/0039C04B2103/42C04B24/12C04B24/123C04B24/122C04B24/383
Inventor 陈健周晓阳
Owner 武汉优城科技有限公司
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