Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1990-01-19
1991-03-12
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528171, 528173, 528174, 528176, 528191, 528193, C08G 6302
Patent
active
049994166
ABSTRACT:
Provided is a wholly aromatic polyester superior in melt processability and tenacity which consists essentially of the following structural units (A), (B) and (C) and wherein 0.2 to 40 mole % of the total of said units are of ortho configuration; ##STR1## where Ar.sup.1 and Ar.sup.2 each represent a divalent aromatic hydrocarbon group having 6 to 20 carbon atoms, the hydrogen atoms of said aromatic hydrocarbon group may be substituted with a halogen atom, an alkyl or alkoxy group having 1 to 4 carbon atoms, or phenyl; Z is ##STR2## --O--, or --SO.sub.2 --; m is 0 or 1, at least 60 mole % of Ar.sup.1 being constituted by a group selected from 1,4-phenylene, substituted 1,4-phenylenes, naphthyl and 4,4'-biphenyl.
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Hara Hajime
Iida Shigeki
Kaminade Tadahiro
Toya Tomohiro
Anderson Harold D.
Mosley T.
Nippon Oil Company Limited
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