Foam concrete solid powdery foaming agent and use method thereof

A foam concrete and foaming agent technology, applied in the field of foaming agent, can solve the problems of defoaming and poor adaptability, and achieve the effect of uniform color, good foam stabilizing ability and fine foam

Inactive Publication Date: 2014-07-16
INST OF ROCK AND SOIL MECHANICS - CHINESE ACAD OF SCI +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the anionic surfactant in this patented technology is mainly sodium dodecylbenzenesulfonate, which has poor

Method used

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  • Foam concrete solid powdery foaming agent and use method thereof
  • Foam concrete solid powdery foaming agent and use method thereof
  • Foam concrete solid powdery foaming agent and use method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A kind of foamed concrete solid powder blowing agent, it is made up of following raw material of percentage by weight:

[0039] Raw material parts by weight

[0040] (1) Anionic surfactants:

[0041]

[0042] (2) Non-ionic surfactants

[0043] Fatty acid alkanolamides 4 parts

[0044] (3) Chelating agent

[0045] 3 parts triethanolamine

[0046] (4) Foam stabilizer

[0047] 1 part polypropylene crosslinking resin

[0048] 1 part polyacrylamide

[0049] 1 part hydroxyethyl cellulose

[0050] The using method of above-mentioned a kind of foam concrete solid powder foaming agent, comprises the following steps:

[0051] (1) Stir and dissolve the solid powder foaming agent in hot water at 80°C, and control the mass ratio of the two within the range of 1:8 to form a common liquid foaming agent.

[0052] (2) Mix the formed ordinary liquid foaming liquid with ordinary normal temperature tap water, and control the mass ratio of the two within the range of 1:60;

[005...

Embodiment 2

[0055] The formula is shown in Table 1, and the method of use includes the following steps:

[0056] (1) Stir and dissolve the solid powder foaming agent in hot water at 60°C, and control the mass ratio of the two within the range of 1:6 to form a common liquid foaming agent.

[0057] (2) Mix the formed ordinary liquid foaming liquid with ordinary warm tap water, and control the mass ratio of the two within the range of 1:50;

[0058] (3) Foaming through a foaming machine, mixed with cement slurry at a volume ratio of 5:1 to form a 400kg / m 3 Density grade foamed concrete.

Embodiment 3

[0060] The formula is shown in Table 1, and the usage method includes the following steps:

[0061] (1) Stir and dissolve the solid powder foaming agent in hot water at 90°C, and control the mass ratio of the two within the range of 1:6 to form a common liquid foaming agent.

[0062] (2) Mix the formed ordinary liquid foaming liquid with ordinary warm tap water, and control the mass ratio of the two within the range of 1:50;

[0063] (3) Foam through a special foaming machine, and mix with cement slurry at a volume ratio of 7:1 to form a 300kg / m 3 Density grade foamed concrete.

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PUM

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Abstract

The invention relates to a foam concrete solid powdery foaming agent and a use method thereof. The foaming agent comprises the following ingredients in parts by weight: an anionic surfactant comprising 20-40 parts of lauryl sodium sulfate, 20-40 parts of alpha-olefin sulfonate, 5-15 parts of lauryl polyoxyethylene ether sodium sulphate and 3-10 parts of sodium lauroyl sarcosine, a nonionic surfactant comprising 1-5 parts of fatty acid alkanolamide, a chelting agent comprising 1-5 parts of triethanolamine; and foam stabilizer comprising 1-5 parts of one or more of polypropylene cross-linked resin, polyacrylamide and hydroxyethyl cellulose. The solid powdery foaming agent has the advantages of strong foaming capability, good foam stabilizing performance, long storage time and high cost performance, and is convenient for long-distance transportation.

Description

technical field [0001] The invention relates to a foaming agent, in particular to a solid powder foaming agent for foamed concrete and a use method thereof. The foaming agent can be widely used in preparing foamed concrete, lightweight foamed cement boards and the like. Background technique [0002] Driven by the national building energy-saving and wall reform policies, foam concrete has been favored by the whole society in recent years due to its advantages such as waste utilization, environmental protection, energy saving, low price, good thermal insulation performance, and convenient large-scale and rapid construction. It has become more and more widely recognized and has been widely used in various fields. According to incomplete statistics, the annual output of foam concrete in my country was 5 million m3 in 2005. 3 , exceeded 6 million m in 2009 3 In 2012, the area of ​​building insulation layer poured with foam concrete exceeded 100 million m 2 , developed quite ra...

Claims

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Application Information

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IPC IPC(8): C04B24/38C04B24/16
Inventor 谭贤君陈卫忠杨典森李飞方豫袁敬强赵武胜
Owner INST OF ROCK AND SOIL MECHANICS - CHINESE ACAD OF SCI
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