Multifunctional cement hydration heat control material and manufacturing method therefor

A multifunctional material for controlling cement hydration heat, wherein the material for controlling cement hydration heat is a comb-shaped polymer with three kinds of side chain structures, and the three kinds of side chain structures are carboxyl groups, alditol groups, polyalkylene glycols, respectively;

• and a backbone of the polymer is a carbon chain structure formed through free radical polymerization of double bonds in double-bond compound monomers,
• wherein the multifunctional material for controlling cement hydration heat is prepared by free radical polymerization of monomers A, B, and C;
• the monomer A is a (methyl) acrylic acid (acrylate) monomer, the monomer B is a double-bond compound with one alditol group, and the monomer C is unsaturated polyether;
• and a weight-average molecular weight of the material for controlling cement hydration heat ranges from 10000 to 100000,
• wherein the monomer A has a structure represented by a general formula (1):
• wherein R1 is methyl or H, and M is H or an alkali metal elements;
• the monomer B has a structure represented by a general formula as described below (2):
• wherein R2 and R3 are each independently selected from a hydrogen atom or an alditol group, and R2 and R3 are identical to each other;
• and
• the monomer C has any one of three structures represented by a general formula (3):
• wherein n and m are each 0 or a positive integer, and m and n are not 0 at the same time;
• and a weight-average molecular weight of the monomer C ranges from 500 to 10000.