公开(公告)号：AU6822496A

公开(公告)日：1997-03-19

申请号：AU6822496

申请日：1996-08-19

Applicant: BASF AG

Inventor： LAY PETER NIKOLAUS ,  RUCK SWEN ,  SCHIESSL MICHAEL ,  WITT MICHAEL ,  ZETTLER HANS DIETER ,  BAUMGARTEL MICHAEL ,  DEMBEK GERHARD ,  HAHN KLAUS ,  HOLOCH JAN ,  HUSEMANN WOLFRAM ,  KAEMPFER KNUT

IPC: C08J9/16 ,  B01J13/14 ,  B01J19/18 ,  B01J19/24 ,  C08F2/02 ,  C08F2/18 ,  C08F12/08 ,  C08L25/04

Abstract: PCT No. PCT/EP96/03633 Sec. 371 Date Jan. 29, 1998 Sec. 102(e) Date Jan. 29, 1998 PCT Filed Aug. 19, 1996 PCT Pub. No. WO97/08231 PCT Pub. Date Mar. 6, 1997A continuous process for preparing bead-form expandable styrene polymers in which the styrene is prepolymerized in bulk to a conversion of 10 to 80%, the prepolymer is dispersed in liquid form in an aqueous phase in the presence of suspension stabilizers, and the polymerization of the prepolymer is completed in an aqueous suspension to a residual styrene content of less than 2000 ppm.