Title:
ポリカーボネート樹脂の末端封鎖法及び当該方法に用いられる組成物
Document Type and Number:
Japanese Patent JP2005505651
Kind Code:
A
Abstract:
A method for end-capping polycarbonate resins, comprising the step of processing a mixture comprising a polycarbonate having free hydroxyl-end groups and an end-capping reagent in a melt transesterification reaction to produce a polycarbonate resin, wherein the end-capping reagent comprises a mixture of:(a) at least one species of a symmetrical activated aromatic carbonate, and (b) at least one species of a symmetrical non-activated aromatic carbonate, whereby said end-capping reagent reacts with at least some of the free hydroxyl end-groups of the polycarbonate to produce an end-capped polycarbonate resin.
Inventors:
Black, Hans-Peter
Sera, James Anthony
Carrick, Dennis
Smiguelsky, Paul Michael, Junior
Sera, James Anthony
Carrick, Dennis
Smiguelsky, Paul Michael, Junior
Application Number:
JP2003534479A
Publication Date:
February 24, 2005
Filing Date:
October 01, 2002
Export Citation:
Assignee:
GENERAL ELECTRIC COMPANY
International Classes:
C08G64/42; C08G64/14; (IPC1-7): C08G64/42
Attorney, Agent or Firm:
Kenichi Matsumoto
Hirokazu Ogura
Nobukazu Ito
Toshihisa Kurokawa
Hirokazu Ogura
Nobukazu Ito
Toshihisa Kurokawa