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Preparation method for compound type foaming agent

A foaming agent and composite technology, which is applied in the field of preparation of construction admixtures, can solve the problems of environmental protection, harmlessness, instability, irritation, etc., and achieve fast foaming speed, controlled decomposition speed, and stable easy to store effects

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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  • Preparation method for compound type foaming agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] 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;

[0039] Its preparation method is:

[0040] a. Initial configuration:

[0041] (1) According to the formula of the initial product, add the components of the initial product into the dry powder reaction kettle according to the ratio. The stirring speed of the reaction kettle is 30 rpm for the first 15 minutes, and the rotation speed is increased to 50 rpm for the next 30 minutes;

[0042] (2) After the added components are stirred evenly, move the primary product of the powder foaming agent to the storage tank for storage;

[0043] b. Compounding:

[0044] (1) Take a certain amount of the primary product of powder foaming agent and mix...

Embodiment 2

[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] Its preparation method is:

[0051] a. Initial configuration:

[0052] (1) According to the formula of the initial product, add the components of the initial product into the dry powder reaction kettle according to the ratio. The stirring speed of the reaction kettle is 30 rpm for the first 15 minutes, and the rotation speed is increased to 50 rpm for the next 30 minutes;

[0053] (2) After the added components are stirred evenly, move the primary product of the powder foaming agent to the storage tank for storage;

[0054] b. Compounding:

[0055] (1) Take a certain amount of the primary product of powder foaming agent and mix...

Embodiment 3

[0060] 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;

[0061] Its preparation method is:

[0062] a. Initial configuration:

[0063] (1) According to the formula of the initial product, add the components of the initial product into the dry powder reaction kettle according to the ratio. The stirring speed of the reaction kettle is 30 rpm for the first 15 minutes, and the rotation speed is increased to 50 rpm for the next 30 minutes;

[0064] (2) After the added components are stirred evenly, move the primary product of the powder foaming agent to the storage tank for storage;

[0065] b. Compounding:

[0066] (1) Take a certain amount of the primary product of powder foaming agent and mix...

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Abstract

The invention discloses a preparation method for a compound type foaming agent, relates to a preparation method for an additive for a building, in particular to a preparation method for a foaming agent added into concrete. The compound type foaming agent is compounded from an initial product, N,N'-dinitrosopentamethylamine (DPT), diglycol and 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 effects of increasing foams, stabilizing foams and regulating. The compound type foaming agent prepared by the preparation method is verified in practical production, and has the outstanding characteristics of being great in foaming amount, small in foam loss, small in strength effect and the like. The preparation method is simple to operate, is easy to control and is relatively high in yield.

Description

technical field [0001] The invention relates to a preparation method of an admixture for construction, in particular to a preparation method of a foaming agent added to concrete. 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 reduce the overall load of the building w...

Claims

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Application Information

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IPC IPC(8): C04B24/40C04B38/10C04B38/02
Inventor 阿光强徐兴爱阿光城李金梅
Owner 云南森博混凝土外加剂有限公司
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