Regenerated powder-based inorganic gelling material toughening and cracking foaming agent and its application

A technology of inorganic cementitious material and foaming agent, which is applied in the field of inorganic cementitious material toughening and crack reduction foaming agent, can solve the problems of high energy consumption of incineration method, gas environment pollution, etc., and achieves good foam stabilization effect and simple preparation. , easy-to-mix effects
CN112723911BActive Publication Date: 2021-07-27HEBEI UNIV OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HEBEI UNIV OF TECH
Publication Date
2021-07-27

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Abstract

The invention discloses a recycled powder-based inorganic gelling material toughening and cracking-reducing foaming agent and its application. The composition of the foaming agent includes: a foaming component composed of recycled glass fiber reinforced plastic powder and strong alkali powder. Among the foaming components, strong The percentage by weight of the alkali powder in the regenerated FRP powder is 0.5-20%. The glass powder in the regenerated glass powder reacts with sodium hydroxide to make it active and become a part of the gelling material. Among them, the resin particles in the recycled FRP powder have better toughness than that of the cementitious material, which can realize the toughening and crack reduction of the cementitious material. Other very few fillers can be used as microfillers. The foaming agent of the present invention is simple to prepare. There is no need to pre-foam during use, the foaming process is simple, it is easy to mix with inorganic gelling materials, the bubbles produced are uniform and stable, and it has a greater strengthening and toughening effect on inorganic gelling materials. The resulting foamed material has low density, low pore connectivity, good thermal insulation performance, and high strength and crack resistance.
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Description

technical field

[0001] The invention relates to the technical field of foaming agents for building cement materials, in particular to a recycled powder-based inorganic cementitious material toughening and cracking foaming agent and its application. The foaming agent can be used for foamed concrete products and foamed geopolymerization products and other systems. Background technique

[0002] Inorganic gelled foaming materials need to introduce a large amount of uniform and closed foam during the production process. At present, the common foaming methods mainly include physical foaming and chemical foaming. Physical foaming needs to prepare foam first and then mix it with slurry. Compared with chemical foaming, all materials can be made by stirring once. , the manufacturing process is more convenient. The most common chemical foaming method so far is mainly to use aluminum powder and H2O2 for foaming. The foam produced by this foaming method has poor stability and the foam...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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