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 sulfomethylolated lignin in the admixture can also be cross-linked with a cross-linking agent. The admixture further comprises an air detrainer. Also provided are novel cement compositions comprising the admixture of the invention.
申请公布号
CA2231630(A1)
申请公布日期
1997.04.17
申请号
CA19962231630
申请日期
1996.10.11
申请人
ZHOR, JIRI;BREMNER, THEODORE;ALCELL TECHNOLOGIES INC.
发明人
GOYAL, GOPAL C.;ZHOR, JIRI;BREMNER, THEODORE;LORA, JAIRO H.;CREAMER, ALBERT