Macromolecular concrete foaming agent and preparation method thereof

The present invention discloses a polymer concrete blowing agent, is the field of the building materials industry concrete production. Is prepared from the following ingredients by weight percentages: 21 to 26% of macromer, sodium sulfite, 5 to 9%, 4 to 6% acetone, 13 to 17% formaldehyde, sodium methallyl sulfonate 5 to 14% and water 39 to 42%. The present invention is stable performance, large expansion ratio, high foam stability, the blowing agent may be directly used as concrete, no compound other foaming substances; good water solubility, liquid, homogeneous non-hierarchical, non-perishable, etc. advantages; the present invention also discloses a method for preparing the polymer concrete kind of the blowing agent.