Title:
NAPHTHALENETETRACARBOXYLIC ACID DIIMIDE COMPOUND
Document Type and Number:
Japanese Patent JPH02223582
Kind Code:
A
Abstract:
NEW MATERIAL:A compound expressed by formula I [X is p-phenylene, -(CH2)m- (m is 11-20) or formula II (n is 1-4); phenylene group is linked to N atom forming the imide ring in formula I; R is H or 1-8C alkyl, provided that R is 2-8C alkyl when X is p-phenylene].
EXAMPLE: N,N'-Bis(4-ethylcarboxyphenyl)-naphthalene-1,4,5,8-tetracarboxydiimide expressed by formula III.
USE: Useful as a polyester material excellent in ultraviolet ray shielding properties.
PREPARATION: Naphthalene-1,4,5,8-tetracarboxylic acids and aminocarboxylic acids expressed by formula IV (e.g. ethyl p-aminobenzoate) are subjected to imidation reaction.
Inventors:
NAKAMURA TAKASHI
KUMENO YOSHIKO
HIRAHARA TAKUJI
KUMENO YOSHIKO
HIRAHARA TAKUJI
Application Number:
JP4566289A
Publication Date:
September 05, 1990
Filing Date:
February 27, 1989
Export Citation:
Assignee:
MITSUBISHI CHEM IND
International Classes:
C07D471/06; C08K5/3417; C08L67/00; C08L67/02; C09K3/00; (IPC1-7): C07D471/06; C08K5/3417; C08L67/02; C09K3/00
Domestic Patent References:
| JPS63225650A | 1988-09-20 |
Attorney, Agent or Firm:
Hasegawa Soji