公开(公告)号：DE102008043523A1

公开(公告)日：2009-05-20

申请号：DE102008043523

申请日：2008-11-06

Applicant: BASF SE

Inventor： LOESCH DENNIS ,  SEIDL VOLKER ,  WIDMAIER RALF ,  MORITZ HANS-ULRICH ,  KARIM ASIF ,  BIEDASEK SILKE

IPC: C08F26/10 ,  C08F2/00

Abstract: A process for preparing polyvinylpyrrolidones by free-radically initiated polymerization in the presence of an initiator found, which comprises performing the polymerization as a spray or droplet polymerization.

公开(公告)号：AT405605T

公开(公告)日：2008-09-15

申请号：AT05701255

申请日：2005-01-29

Applicant: BASF SE

Inventor： WEBER MANFRED ,  STEINMETZ BERNHARD ,  WEIDL CHRISTIAN ,  LOESCH DENNIS ,  FRENZ VOLKER ,  MOSSBACH RALF

IPC: C08J7/04 ,  A61F13/00 ,  B01J20/28 ,  B01J20/32 ,  B32B7/02 ,  B32B27/04 ,  C08J5/04 ,  C09D133/00 ,  C09D201/00 ,  C09K3/10 ,  D03D1/00 ,  D06M15/263 ,  D06N3/04 ,  E02B3/16 ,  E04B1/68 ,  E21D11/38

Abstract: A process for producing an absorbent composite by contacting a solid supporting material with an emulsion comprising at least one polymeric material and at least one crosslinker and curing the mixture on the supporting material, the absorbent composites and also their use in sealing materials for road, tunnel and water engineering and also for excavations, high water protection and roof-sealing systems.