Additive, e.g., ethoxylated nonylphenol, for lignin type water-reducing agent in hydraulic cement compositions, reduces air entrainment in the concrete mix.
申请公布号
PH17435(A)
申请公布日期
1984.08.23
申请号
PH19320000271
申请日期
1982.04.14
申请人
W. R. GRACE & CO.
发明人
ARNOLD MORRY ROSENBERG;JAMES MICHAEL GAIDIS;LAWRENCE JOSEPH KINDT