Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1987-12-18
1989-07-25
Welsh, Maurice J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528193, 528194, 528195, 528219, 528271, 2641761, 25229964, C08G 6302
Patent
active
048515035
ABSTRACT:
A novel wholly aromatic thermotropic liquid crystal polyester consisting essentially of 4-oxybenzoyl unit, terephthaloyl unit, 4,4'-dioxydiphenyl unit and 4,4'-dioxydiphenyl ether unit has a relatively low transition temperature to liquid crystal as well as good flow characteristics, and has thereby good melt-formability. The polyester gives melt extruded fibers and melt extruded films having superior mechanical strengths and elastic moduli, and also gives injection-molded products having superior strengths, excellent thermal characteristics, elastic moduli and impact strengths.
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Kaneda Teruhisa
Matsumoto Mitsuo
Acquah S. A.
Kuraray Company Ltd.
Welsh Maurice J.
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