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Title:
COPOLYESTER AND ITS PRODUCTION
Document Type and Number:
Japanese Patent JP3139060
Kind Code:
B2
Abstract:

PURPOSE: To provide a polyethylene 2,6-naphthalate copolymer excellent in elastic modulus and impact strength.
CONSTITUTION: The objective copolyester which mainly comprises repeating ethylene 2,6-naphthalate units and is produced by reacting a monomer mixture contg. a compd. having at least three ester-forming groups in the molecule.


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Inventors:
Masatoshi Aoyama
Toru Morita
Tomoaki Ueda
Application Number:
JP18473091A
Publication Date:
February 26, 2001
Filing Date:
July 24, 1991
Export Citation:
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Assignee:
Toray Industries, Inc.
International Classes:
C08G63/185; C08G63/12; C08G63/181; C08G63/189; C08G63/20; C08G63/78; C08J5/18; (IPC1-7): C08G63/189; C08J5/18
Domestic Patent References:
JP185732A
Attorney, Agent or Firm:
Shinichi Ogawa (2 outside)



 
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