Title:
PROCESS FOR THE DEPOLYMERIZATION OF POLYESTER AND DEPOLYMERIZER FOR POLYESTER
Document Type and Number:
WIPO Patent Application WO/2004/087627
Kind Code:
A1
Abstract:
A process for depolymerizing a polyester into the starting compounds or derivatives thereof at an enhanced rate, characterized by subjecting a polyester to methanolysis, throwing the dimethyl carboxylate and dihydroxy compound thus formed into a polyester melt to form a mixture and subjecting the mixture to solvolysis.
Inventors:
ISHIHARA NOBUO (JP)
KAWAMURA WATARU (JP)
KISHI MASAHIRO (JP)
OKAZAKI KIKUO (JP)
KAWAMURA WATARU (JP)
KISHI MASAHIRO (JP)
OKAZAKI KIKUO (JP)
Application Number:
PCT/JP1998/005102
Publication Date:
October 14, 2004
Filing Date:
November 13, 1998
Export Citation:
Assignee:
ISHIHARA NOBUO (JP)
KAWAMURA WATARU (JP)
KISHI MASAHIRO (JP)
OKAZAKI KIKUO (JP)
KAWAMURA WATARU (JP)
KISHI MASAHIRO (JP)
OKAZAKI KIKUO (JP)
International Classes:
C07C27/02; C07C67/03; C08J11/08; (IPC1-7): C07C27/02; C07C31/20; C07C31/27; C07C39/16; C07C67/03; C07C69/82; C08J11/24
Foreign References:
| JPH09118639A | 1997-05-06 | |||
| JPS60248646A | 1985-12-09 |
Attorney, Agent or Firm:
Okuyama, Hisao (8th floor 2-12, Akasaka 3-chom, Minato-ku Tokyo, JP)
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