Patent ID: 11970425
Assignee: CHONGQING JUWEI ENERGY SAVING BUILDING MATERIALS CO., LTD
Field: Materials, metallurgy (Chemistry)
Classification: CPC C  Y | IPC C

Claim 0:
1. A liquid regulator for ultra-dispersed, high-mud-resistance, high-foam-stability, low-shrinkage and enhanced autoclaved aerated concrete, comprising the following ingredients in parts by weight: 75 parts to 85 parts of hyperdispersant; 5 parts to 10 parts of anti-mud agent; 1 part to 3 parts of shrinkage reducing ingredient; 10 parts to 20 parts of reinforcing ingredient; and 0.05 part to 0.1 part of foam stabilizing ingredient;
wherein, preparation of the hyperdispersant comprises: mixing a monomer with water to obtain a solution A; mixing a reducing agent and a chain transfer agent with water to obtain a solution B; mixing polyether with water, heating the mixture, adding an initiator, stirring the mixture at normal temperature, adding the solution A and the solution B, heating and polymerizing the mixture, and adding a pH regulator to regulate a pH value to be 7 to 9, so as to obtain the hyperdispersant;
the hyperdispersant comprises the following ingredients in parts by weight: 20 parts to 40 parts of monomer; 0.2 part to 2 parts of reducing agent; 0.8 part to 4 parts of chain transfer agent; 160 parts to 200 parts of polyether; 2 parts to 5 parts of initiator; 5 parts to 8 parts of pH regulator; and 200 parts to 300 parts of water;
the monomer is one or more of acrylic acid, acrylamide and aspartic acid; the reducing agent is one or more of vitamin C and sodium hypophosphite; the chain transfer agent is one or more of mercaptoacetic acid and mercaptopropionic acid; the polyether is one or more of methyl polyethylene glycol ether, allyl polyethylene glycol ether, 2-methylpropyl-2-alkenyl polyethylene glycol ether, 3-methylbutyl-3-alkenyl polyethylene glycol ether and 4-hydroxybutyl vinyl ether; the initiator is one or more of hydrogen peroxide and ammonium persulfate; and the pH regulator is one or more of sodium hydroxide and potassium hydroxide;
the shrinkage reducing ingredient is one or more of anhydrous aluminum sulfate and anhydrous magnesium sulfate; and
the reinforcing ingredient is one or more of triethanolamine, triisopropanolamine, calcium formate, sodium carbonate and calcium nitrate.