| abstract |
Disclosed is an asphalt emulsion emulsifier that can provide cement asphalt grout mortar having excellent fluidity and separation resistance and stable quality. A phosphate ester polymer obtained by copolymerizing a specific monomer having a polyoxyalkylene group, a phosphate monoester monomer, and a phosphate diester monomer. An emulsifier for an asphalt emulsion for cement asphalt grout mortar, comprising A) and a polyoxyalkylene alkyl ether (B). [Selection figure] None |