The invention provides for an admixture for reducing the water content of a concrete mix. The admixture comprises an alkaline solution of a lignin in a sulfomethylolated form. The admixture further comprises an air detrainer. Also provided are novel cement compositions comprising the admixture of the invention.
申请公布号
WO9713733(A1)
申请公布日期
1997.04.17
申请号
WO1995US13836
申请日期
1995.10.11
申请人
ALCELL TECHNOLOGIES INC.;BREMNER, THEODORE;ZHOR, JIRI;GOYAL, GOPAL, C.;LORA, JAIRO, H.
发明人
BREMNER, THEODORE;ZHOR, JIRI;GOYAL, GOPAL, C.;LORA, JAIRO, H.