公开(公告)号：CA2626572A1

公开(公告)日：2007-05-10

申请号：CA2626572

申请日：2006-10-25

Applicant: BASF AG

Inventor： WESTER BETTINA ,  BRAIG VOLKER ,  LEDUC MARC ,  GAUWEILER WERNER ,  FEUERHAKE ROBERT ,  BECKER STEFAN

IPC: C08F26/02 ,  C08F290/14 ,  D21H17/34

Abstract: The invention relates to aqueous dispersions of water-soluble polymers of N-vinyl-carboxamides, which are substantially salt-free and comprise anionic polymeric stabilizers having a comb-like molecular structure, processes for the preparation of the dispersions in the presence of anionic polymeric stabilizers having a comb-like molecular structure and the use of the dispersions as retention aids or fixing agents in papermaking.

公开(公告)号：DE102005052924A1

公开(公告)日：2007-05-10

申请号：DE102005052924

申请日：2005-11-03

Applicant: BASF AG

Inventor： WESTER BETTINA ,  BRAIG VOLKER ,  GAUWEILER WERNER ,  LEDUC MARC ,  BECKER STEFAN ,  FEUERHAKE ROBERT

IPC: C08F2/20 ,  C08F8/12 ,  C08F20/54 ,  C08F26/02 ,  C08J3/03 ,  D21H21/10 ,  D21H21/14

Abstract: The invention relates to aqueous dispersions of water-soluble polymers of N-vinyl-carboxamides, which are substantially salt-free and comprise anionic polymeric stabilizers having a comb-like molecular structure, processes for the preparation of the dispersions in the presence of anionic polymeric stabilizers having a comb-like molecular structure and the use of the dispersions as retention aids or fixing agents in papermaking.