Several methods of making cement foaming agent

The cement foaming agent is the core material in foam concrete. The only good cement foaming agent can make high-performance foam concrete products. Today I will share with you how to make a cement foaming agent. Mainly introduce five kinds of cement foaming agents, they are magnesium oxychloride cement foaming agent, rosin soap cement foaming agent, egg yolk concrete cement foaming agent, concrete composite foaming agent, engineering cement foaming agent.

1. Rosin soap cement foaming agent: start to mix rosin and caustic soda, mix and heat; then dissolve SM superplasticizer, citric acid and silicon powder in water, put the above two mixtures by heating and heat preservation Mix in a heating container, add water and mix evenly, and mix the required amount of powder into the above-mentioned secondary mixture. Compared with the existing skills, the method of composite foaming has been used to greatly improve the quality of commodity foams. The inner wall of the bubbles formed by foaming can also form a very thin polymer crystal film with waterproof function, participate in the cement foaming agent The mortar also has a good thermal insulation function.

2 the concrete composite foaming agent: contains the following processes: 1. Make appropriate waterproofing agent; 2. Make a fixed amount of foaming agent; 3. Make some compound foaming agent; 4. Write foam through foaming to the foam The concrete mixture is mixed and then cast into shape. After adding the waterproof concrete composite foaming agent prepared by the above method, the foam concrete can overcome the shortcomings of its large water absorption rate, so that the waterproof thermal insulation and thermal insulation functions are improved.

3  egg yolk concrete cement foaming agent: made by the following methods: firstly mix cement, ceramic powder, water, etc. according to a certain mass ratio, mix evenly and prepare cement concrete slurry. The egg yolk, stabilizer, dispersant, preservative, and water are mixed according to a certain mass ratio to form a uniform and fine closed-cell foam. Take a certain volume of the foam to join the cement concrete slurry, mix it evenly, and then cast it into a mold for maintenance. The cement foaming agent has easily obtained materials and simple foaming technology and overcomes the disadvantages of poor stability of traditional surfactants, lack of animal and plant protein-based cement foaming agents, and high cost.

4. Magnesium oxychloride cement foaming agent: firstly mix the appropriate bone glue and urea-formaldehyde resin and participate in 10 times of water. After the temperature reaches 75 degrees, heat and smelt for about half an hour to form a glue solution, and then dodecyl benzenesulfonate Sodium, triethanolamine, etc. are mixed. After the temperature reaches 75 degrees, it is heated for about 5-10 minutes, and finally diluted with water to make a product. Features: The quality of the goods is good, the cost is low, and the method is very simple.

5. Cement foaming agent for engineering: Common are linear alkyl sulfate, foam stabilizer alkyl alcohol amide, fatty alcohol polyoxyethylene ether sodium sulfate, auxiliary calcium chloride, and so on. The manufacturing technology is as follows: the ingredients are mixed and mixed evenly at room temperature. The invention can announce a white bubble with very high foaming power, excellent stability, and can be widely applied to the production of foamed concrete, foamed lightweight brick and bubble mixed lightweight soil, and is also suitable for earth pressure balanced shield Soil improvement in structural construction.

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