A waterproof foam stabilizer with adjustable setting time and preparation method thereof

A technology of coagulation time and foam stabilizer, which is applied in the field of waterproof foam stabilizer and its preparation, can solve the problems of increasing the complexity of the production process, reducing the compactness of the product, and reducing the strength of the product, so as to shorten the demoulding and curing time, increase the Production efficiency and the effect of simplifying the production process

Active Publication Date: 2017-08-25
THE FIRST SINCERITY CONSTR TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this is accompanied by a series of side effects: 1) The long-term strength of rapid-hardening cement is lower than that of ordinary Portland cement, resulting in a decrease in product strength; 2) The shrinkage rate of rapid-hardening cement is relatively large after hydration and coagulation, which is likely to cause a decrease in the compactness of the product and thus Causes cracking and increased water absorption; 3) When using part or all of rapid hardening cement instead of ordinary Portland cement, the price cost of production is increased, and the complexity of the production process is also increased

Method used

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  • A waterproof foam stabilizer with adjustable setting time and preparation method thereof
  • A waterproof foam stabilizer with adjustable setting time and preparation method thereof
  • A waterproof foam stabilizer with adjustable setting time and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] When the production environment temperature of cement foam insulation board is 30°C:

[0027] A waterproof and foam stabilizer with adjustable setting time, the addition amount of each raw material is: 45kg of stearic acid, 8kg of potassium hydroxide, 3kg of soda ash, 28kg of ammonia water (mass concentration is 20%), 60g of sodium fluoride, triethanolamine 7kg, sodium chloride 15kg, lithium carbonate 8kg, water 886kg, its preparation method comprises the following steps:

[0028] Put 300kg of water in a stirring container, heat to 60°C, add potassium hydroxide, soda ash, sodium fluoride, sodium chloride and lithium carbonate, stir for 1 min until completely dissolved, quickly add stearic acid, and continue stirring for 10 min until the stearic acid The acid is completely dissolved to obtain an ammonium stearate emulsion (foam-stabilizing component); then add 586kg of water, add triethanolamine when the solution is cooled to 20°C, stir for 5min, then add ammonia water, ...

Embodiment 2

[0034] When the production environment temperature of cement foam insulation board is 20°C:

[0035] A foam cement waterproof foam stabilizer with adjustable setting time, the addition of each raw material is: stearic acid 50kg, potassium hydroxide 9kg, soda ash 3kg, ammoniacal liquor 32kg (mass concentration is 20%), sodium fluoride 60g, Triethanolamine 7kg, sodium chloride 20kg, lithium carbonate 10kg, water 869kg, its preparation method comprises the following steps:

[0036] Put 300kg of water in a stirring container, heat to 60°C, add potassium hydroxide, soda ash, sodium fluoride, sodium chloride and lithium carbonate, stir for 1 min until completely dissolved, quickly add stearic acid, and continue stirring for 10 min until the stearic acid The acid is completely dissolved to obtain an ammonium stearate emulsion (foam-stabilizing component); then add 569kg of water, add triethanolamine when the solution is cooled to 20°C, stir for 5min, then add ammonia water, continue ...

Embodiment 3

[0042] When the production environment temperature of cement foam insulation board is 10°C:

[0043] A waterproof foam stabilizer with adjustable setting time, the addition amount of each raw material is: stearic acid 55kg, potassium hydroxide 10kg, soda ash 3.5kg, ammonia water 38kg (mass concentration is 20%), sodium fluoride 60g, triethanolamine 9kg, sodium chloride 40kg, lithium carbonate 15kg, water 830kg, its preparation method comprises the following steps:

[0044] Put 300kg of water in a stirring container, heat to 60°C, add potassium hydroxide, soda ash, sodium fluoride, sodium chloride and lithium carbonate, stir for 1 min until completely dissolved, quickly add stearic acid, and continue stirring for 10 min until the stearic acid The acid is completely dissolved to obtain an ammonium stearate emulsion (foam-stabilizing component); then add 530kg of water, add triethanolamine when the solution is cooled to 20°C, stir for 5min, then add ammonia water, continue stirri...

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Abstract

The invention discloses a waterproof foam stabilizer with adjustable setting time and a preparation method thereof. The weight ratio of each component in the waterproof foam stabilizer is: 40-60 parts of stearic acid, 8 parts of potassium hydroxide ~10 parts, 2~4 parts of soda ash, 25~38 parts of ammonia water, 0.06 parts of sodium fluoride, 6~9 parts of triethanolamine, 10~50 parts of sodium chloride, 5~15 parts of lithium carbonate, 814~904 parts of water. Applying the waterproof foam stabilizer prepared by the present invention to foamed cement can effectively control the setting rate of foamed cement under different production environment temperatures, and its mold collapse rate is far lower than that of the same type of common ammonium stearate emulsion stabilizer. Foaming agent, and can reduce demoulding and cutting time, shorten the construction period, suitable for popularization.

Description

technical field [0001] The invention belongs to the technical field of wall thermal insulation materials, and in particular relates to a waterproof foam stabilizer with adjustable setting time and a preparation method thereof. Background technique [0002] A large number of new houses are built every year in our country. In 2013 alone, there were 2.01 billion square meters of new houses, and the area of ​​new houses is still increasing every year. As the country develops a "resource-saving and environment-friendly" society, more and more attention has been paid to building energy conservation. The implementation of building energy conservation at the present stage is mainly to reduce the energy loss of cooling and heating in the process of building use. Realize building energy saving. Whether it is the energy-saving treatment of the newly built building envelope or the energy-saving renovation of the old building envelope, a large amount of thermal insulation wall material...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B24/12C04B24/08C04B22/06C04B22/10C04B22/12C04B103/65C04B103/48
Inventor 黄绍龙黄修林金帆谢学钦罗峰卞周宏罗肖
Owner THE FIRST SINCERITY CONSTR TECH CO LTD
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