公开(公告)号：DE102006056204A1

公开(公告)日：2007-06-28

申请号：DE102006056204

申请日：2006-11-29

Applicant: BASF AG

Inventor： DOBRAWA RAINER ,  WIDMAIER RALF ,  SCHUPP EBERHARD ,  SCHNELL KLAUS ,  STRUBE KARL-HERMANN ,  FILGES ULRICH ,  NIEBERLE JUERGEN ,  NEUTZNER JOSEF ,  DIEING REINHOLD ,  GRUBER ANDREAS ,  BOUQUET WOLFGANG

IPC: C08F226/06 ,  C08F2/06 ,  C08F218/04 ,  C08F220/00

Abstract: In the production of vinyl-lactam copolymers by free radical polymerization of water-soluble N-vinyl-lactam(s) and hydrophobic comonomer(s) in an organic solvent in the presence of an initiator, polymerization is carried out under a superpressure high enough to prevent vaporization of the components.

公开(公告)号：DE102006056206A1

公开(公告)日：2007-06-28

申请号：DE102006056206

申请日：2006-11-29

Applicant: BASF AG

Inventor： DOBRAWA RAINER ,  WIDMAIER RALF ,  SCHUPP EBERHARD ,  SCHNELL KLAUS ,  STRUBE KARL-HERMANN ,  NIEBERLE JUERGEN ,  POTZOLLI BERND DE ,  GRUBER ANDREAS ,  DIEING REINHOLD

IPC: C08F226/06 ,  C08F2/06 ,  C08F218/04 ,  C08F220/00

Abstract: Free-radical polymerization of at least one of water-soluble N-vinyl lactam and at least one of hydrophobic comonomer, is carried out in an organic solvent, in presence of initiator under reflux conditions, such that at least 10 mol% of N-vinyl lactam is added to polymerization mixture after at least 90 mol% of hydrophobic monomer is completely reacted. Thus, a vinyl lactam copolymer is produced.