Title:
METHOD FOR PRODUCTION OF POLYVINYL IMIDAZOLINE
Document Type and Number:
Japanese Patent JP2001131228
Kind Code:
A
Abstract:
To provide an industrial production method whereby polyvinylimidazoline which is not colored brown and does not emit a bad odor is produced without the necessity for the step of pulverizing polyvinylimidazoline.
A solid is separated out while a reaction liquid prepared by reacting a nitrile-group-containing polymer with a polyamine is added to tetrahydrofuran.
Inventors:
TAKAHASHI FUMIHARU
HARA YASUSHI
KAWAHATA KOUJI
HARA YASUSHI
KAWAHATA KOUJI
Application Number:
JP31091399A
Publication Date:
May 15, 2001
Filing Date:
November 01, 1999
Export Citation:
Assignee:
TOSOH CORP
International Classes:
C08F8/32; C08F20/42; C08F26/00; (IPC1-7): C08F8/32; C08F20/42; C08F26/00