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Foaming agent for foam concrete and preparation method thereof

A foamed concrete and foaming agent technology, applied in the field of building materials, can solve the problems of large influence of environmental temperature, short shelf life of foaming agent, unsatisfactory stability, etc., and achieves strong foam stability and uniformity, storage resistance, improvement The effect of stable performance

Inactive Publication Date: 2019-03-29
GUIZHOU ANKAIDA IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Rosin materials are cheap, but their performance is unstable and greatly affected by the ambient temperature
The performance of animal and plant protein is relatively stable and pure natural pollution-free, but the foaming rate is not high, the price is also expensive
[0004] For example, Patent No. CN201810394370.6 discloses a microbial foaming agent used in the preparation of foamed concrete. The mass percentage of the microbial foaming agent consists of: glucose: 10%-15%; peptone: 10%-20%; powder: 5%-10%; bacterial seed liquid: 5%-10%; foam stabilizer: 0.2%-1%; the bacterial seed liquid is a yeast seed liquid, obtained by the following method: the activated yeast strain Inoculate in the basic medium, vibrate and cultivate in a constant temperature incubator at 35°C and 170r / min for 24 hours to make yeast seed liquid; the microbial foaming agent of this invention is non-toxic and harmless, with large and stable gas production, Blowing agent can produce more than 200cc of CO 2 Gas, the raw materials required for preparation are widely available, easy to obtain, and low in price; but the shelf life of the blowing agent is short, and the stability is still not ideal

Method used

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  • Foaming agent for foam concrete and preparation method thereof
  • Foaming agent for foam concrete and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A foaming agent for foam concrete, consisting of the following raw materials: washing powder 10g, egg white 4g, colchicine 0.3g, pomelo peel fermented product 20g, japonica rice extract 30g, betaine 0.2g, lotus leaf fermented product 16g, Marble powder 0.3g;

[0028] The grapefruit peel fermented product is that grapefruit peel and water are mixed at high speed according to the mass ratio of grapefruit peel: water=1:1.6 to make grapefruit peel pulp, after being treated with a direct current constant strong magnetic field with a magnetic field strength of 3T for 15s, press 1.5 ×10 7 The amount of cfu / mL was inoculated with brewer's yeast and fermented for 5 days at a temperature of 30°C, and then treated with a DC constant-strength magnetic field with a magnetic field strength of 4-5T for 10 seconds, and then pressed 3.2×10 6 The amount of cfu / mL was inoculated with lactic acid bacteria and fermented for 5 days at a temperature of 28°C;

[0029] The lotus leaf fermente...

Embodiment 2

[0038] A foaming agent for foam concrete, consisting of the following raw materials: washing powder 8g, egg white 2g, colchicine 0.1g, pomelo peel fermented product 17g, japonica rice extract 25g, betaine 0.08g, lotus leaf fermented product 13g, Marble powder 0.2g;

[0039] The fermented product of pomelo peel is that grapefruit peel and water are mixed at high speed according to the mass ratio of grapefruit peel: water=1:1.2 to make grapefruit peel slurry, and after the magnetic field strength is 1T DC stable strong magnetic field treatment for 10s, press 1.1 ×10 7 The amount of cfu / mL was inoculated with beer yeast and fermented for 3 days at a temperature of 20°C, and then treated with a DC constant magnetic field with a magnetic field strength of 4T for 5 seconds, and then pressed 2.6×10 6 The amount of cfu / mL is inoculated with lactic acid bacteria and fermented for 3 days at a temperature of 22-28°C;

[0040] The lotus leaf fermented product is that lotus leaf and wate...

Embodiment 3

[0049] A foaming agent for foam concrete, which is composed of the following raw materials: washing powder 9g, egg white 3g, colchicine 0.2g, grapefruit peel fermented product 17-20g, japonica rice extract 25-30g, betaine 0.14g, lotus leaf Fermentation product 14g, marble powder 0.25g;

[0050] The grapefruit peel fermented product is that grapefruit peel and water are mixed at high speed according to the mass ratio of grapefruit peel: water=1:1.5 to make grapefruit peel slurry, and after the magnetic field strength is 2T DC stable strong magnetic field treatment for 12s, press 1.3 ×10 7 The amount of cfu / mL was inoculated with beer yeast and fermented for 4 days at a temperature of 25°C, and then treated with a DC constant magnetic field with a magnetic field strength of 4.5T for 8s, and then pressed 2.9×10 6 The amount of cfu / mL was inoculated with lactic acid bacteria and fermented for 4 days at a temperature of 25°C;

[0051] The lotus leaf fermented product is that lotu...

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Abstract

The invention relates to the technical field of building materials, in particular relates to a foaming agent for foam concrete and a preparation method thereof. The foaming agent is prepared from thefollowing raw materials in parts by weight: 8 to 10 parts of washing powder, 2 to 4 parts of egg white, 0.1 to 0.3 part of colchicine, 17 to 20 parts of a shaddock peel fermented material, 25 to 30 parts of a polished round-grained rice extract, 0.08 to 0.2 part of glycine betaine, 13 to 16 parts of a lotus leaf fermented material and 0.2 to 0.3 part of marble powder. The foaming agent has the advantages that the foaming performance is high; foam stability and uniformity are high; foams are fine; moisture adsorption is not liable to occur; high-temperature resistance and storage resistance arerealized.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a foaming agent for foam concrete and a preparation method thereof. Background technique [0002] Foamed concrete has the characteristics of light weight, good thermal insulation, reduced noise pollution, adjustable room temperature, and superior seismic performance. It can be used in the preparation of building materials such as gypsum boards, fireproof coatings, and insulation bricks. At the same time as the foam, a large number of air bubbles are introduced, resulting in low compressive strength, high water absorption, weak thermal insulation effect, etc., which seriously restricts the application of foam concrete. [0003] At present, the foaming agents commonly used in China are mainly rosin materials or animal and vegetable proteins, but the product performance is quite different. Rosin-like materials are cheap, but their performance is unstable and greatly affe...

Claims

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Application Information

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IPC IPC(8): C04B24/14
CPCC04B40/0039C04B2103/40C04B24/14C04B24/121C04B24/123C04B24/001C04B24/00C04B22/10
Inventor 吴义德易飞舟刘益文辛建张继光王健李春天顾华胡品斌赵刚
Owner GUIZHOU ANKAIDA IND
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