公开(公告)号：EP1100757A1

公开(公告)日：2001-05-23

申请号：EP99931231.7

申请日：1999-07-01

申请人： ARCO Chemical Technology, L.P.

发明人： LIOTTA, Frank, J., Jr. ,  SCHWARTZ, Steven, A.

IPC分类号： C04B24/04 ,  C04B18/14 ,  C04B28/02

CPC分类号： C04B28/02 ,  C04B40/0039 ,  C04B2103/0085 ,  C04B2103/12 ,  Y02W30/94 ,  C04B18/146 ,  C04B24/045 ,  C04B40/0608

摘要： Cementitious compositions are prepared using a dry, flowable admixture containing an ester of carbonic acid such as propylene carbonate and a solid, particulate support which is non-reactive toward the ester such as silica fume. Such admixtures accelerate the set and increase the thixotropy of unhardened mixtures containing hydraulic cement and water, yet can be readily handled and stored in stable form until ready to be used.

公开(公告)号：EP1100757B1

公开(公告)日：2004-05-06

申请号：EP99931231.7

申请日：1999-07-01

申请人： ARCO Chemical Technology, L.P.

发明人： LIOTTA, Frank, J., Jr. ,  SCHWARTZ, Steven, A.

IPC分类号： C04B24/04 ,  C04B18/14 ,  C04B28/02

CPC分类号： C04B28/02 ,  C04B40/0039 ,  C04B2103/0085 ,  C04B2103/12 ,  Y02W30/94 ,  C04B18/146 ,  C04B24/045 ,  C04B40/0608

摘要： Cementitious compositions are prepared using a dry, flowable admixture containing an ester of carbonic acid such as propylene carbonate and a solid, particulate support which is non-reactive toward the ester such as silica fume. Such admixtures accelerate the set and increase the thixotropy of unhardened mixtures containing hydraulic cement and water, yet can be readily handled and stored in stable form until ready to be used.