Compound type foaming agent

A foaming agent and composite technology, which is used in the preparation of foaming agents and added to the field of foaming agents for concrete, can solve the problems of instability, inability to be environmentally friendly, harmless, and irritating, and achieve enhanced stability, The effect of controlling costs and controlling the speed of decomposition

Inactive Publication Date: 2018-06-12
云南森博混凝土外加剂有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, amines such as triethanolamine are introduced in this invention, which are unstable and have certain irritation, and cannot be absolutely environmentally friendly and harmless in the process of application.

Method used

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  • Compound type foaming agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] The composite foaming agent of the present invention comprises: sodium lauryl sulfate, silicone resin polyether emulsions, saponin, lauryl polyoxyethylene ether, sodium bicarbonate, stearic acid , aluminum powder, polyethylene glycol, N-N ， - Dinitrosopentamethylenetetramine (DPT), diethylene glycol, lauryl alcohol, sodium hydroxide;

[0042] The composite blowing agent is composed of initial product and N-N-dinitrosopentamethylenetetramine (DPT), diethylene glycol, and lauryl alcohol. Their weight percentages are: initial product 79%, 20 % N-N-dinitrosopentamethylenetetramine (DPT), 0.4% diethylene glycol, 0.6% dodecyl alcohol;

[0043] The primary product components are 25% sodium lauryl sulfate, 2% silicone resin polyether emulsion, 30% saponin, 4% lauryl polyoxyethylene ether, 25% sodium bicarbonate, hard Fatty acid 4%, aluminum powder 6%, polyethylene glycol 2%, sodium hydroxide 2%.

Embodiment 2

[0045] The composite foaming agent of the present invention comprises: sodium lauryl sulfate, silicone resin polyether emulsions, saponin, lauryl polyoxyethylene ether, sodium bicarbonate, stearic acid , aluminum powder, polyethylene glycol, N-N ， - Dinitrosopentamethylenetetramine (DPT), diethylene glycol, lauryl alcohol, sodium hydroxide;

[0046] The composite foaming agent is composed of initial product and N-N-dinitrosopentamethylenetetramine (DPT), diethylene glycol, and lauryl alcohol. Their weight percentages are: initial product 69.4%, 30 % N-N-dinitrosopentamethylenetetramine (DPT), 0.2% diethylene glycol, 0.4% dodecyl alcohol;

[0047] The primary product components are 16% sodium lauryl sulfate, 4% silicone resin polyether emulsion, 20% saponin, 6% lauryl polyoxyethylene ether, 35% sodium bicarbonate, hard Fatty acid 6%, aluminum powder 8%, polyethylene glycol 4%, sodium hydroxide 1%.

Embodiment 3

[0049] The composite foaming agent of the present invention comprises: sodium lauryl sulfate, silicone resin polyether emulsions, saponin, lauryl polyoxyethylene ether, sodium bicarbonate, stearic acid , aluminum powder, polyethylene glycol, N-N ， - Dinitrosopentamethylenetetramine (DPT), diethylene glycol, lauryl alcohol, sodium hydroxide;

[0050] The composite foaming agent is composed of initial product and N-N-dinitrosopentamethylenetetramine (DPT), diethylene glycol, lauryl alcohol, and their percentages by weight are: initial product 73.5%, 25.7% % N-N-dinitrosopentamethylenetetramine (DPT), 0.3% diethylene glycol, 0.5 dodecanol;

[0051] The primary product components are 20% sodium lauryl sulfate, 3% silicone resin polyether emulsion, 25% saponin, 5% lauryl polyoxyethylene ether, 30% sodium bicarbonate, hard Fatty acid 5%, aluminum powder 7%, polyethylene glycol 3%, sodium hydroxide 2%.

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Abstract

The invention discloses a compound type foaming agent and relates to an additive for a building, in particular to a foaming agent added into concrete. The compound type foaming agent is prepared fromthe following components in percentage by weight: 69-79% of an primary product, 20-30% of N,N'-dinitrosopentamethylamine (DPT), 0.2-0.4% of diglycol and 0.4-0.6% of lauryl alcohol. The compound type foaming agent is prepared on the basis of the original foaming agent, substances with excellent foaming properties are added into the foaming agent, and other additives are added to achieve the effectsof increasing foams, stabilizing foams and regulating. The compound type foaming agent prepared by the method is verified in practical production, and has the outstanding characteristics of being great in foaming amount, small in foam loss, little in strength effect and the like.

Description

technical field [0001] The invention relates to an admixture for construction, in particular to a foaming agent added to concrete. The invention also relates to a process for the preparation of this blowing agent. Background technique [0002] In the construction process of concrete, various additives need to be added to change the properties of concrete such as performance, processing speed, and service strength. For concrete projects with special requirements, foaming agents need to be added during the construction process to improve the performance of concrete. The addition of foaming agent can effectively play the role of thermal insulation, sound absorption and sound insulation, and lightweight concrete. The foaming agent used in concrete also has many requirements in the process of use: [0003] 1. Thermal insulation: The use of foaming agent can effectively avoid the temperature loss of concrete. [0004] 2. Lightweight: The use of foaming agent can at least reduc...

Claims

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Application Information

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IPC IPC(8): C04B24/40C04B38/10C04B38/02
CPCC04B40/0039C04B38/02C04B38/10C04B24/16C04B24/40C04B24/10C04B24/32C04B22/10C04B24/08C04B22/04C04B24/121C04B24/026C04B22/062
Inventor 阿光强阿光城马懿凡王磊
Owner 云南森博混凝土外加剂有限公司
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