摘要 |
An improved gypsum slurry that includes water, calcium sulfate hemihydrate, a polycarboxylate dispersant and a modifier. The modifier is chemically configured to improve the efficacy of the polycarboxylate dispersant. Preferred modifiers include cement, lime, slaked lime, soda ash, carbonates, silicates and phosphates. |
申请人 |
UNITED STATES GYPSUM COMPANY;LETTKEMAN, DENNIS, M.;SHAKE, MICHAEL, P.;LIU, QINGXIA;WILSON, JOHN, W.;RANDALL, BRIAN;BLACKBURN, DAVID, R. |
发明人 |
LETTKEMAN, DENNIS, M.;SHAKE, MICHAEL, P.;LIU, QINGXIA;WILSON, JOHN, W.;RANDALL, BRIAN;BLACKBURN, DAVID, R. |