Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1991-09-20
1993-01-12
Kight, III, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
524601, 524605, 528176, 528190, 528193, 528194, 528271, C08G 6300, C08G 6302, C08G 6318
Patent
active
051791927
ABSTRACT:
An improved polyester exhibiting melt anisotropy and excellent thermal stability is provided which consists essentially of the structural units (I) to (III) wherein: ##STR1## wherein Ar.sub.1 is 1,4-phenylene, Ar.sub.2 is a mixed system of 2,6-naphthalene and 2,7-naphthalene, and Ar.sub.3 is an aromatic ring containing 6 or more carbon atoms, the unit (I) accounting for 15 to 90 mole percent and the unit (II) for 20 to 70 mole percent of the total amount of the structural units, and the percentage of 2,7-naphthalene to the total amount of Ar.sub.2 in the unit (II) being between 10 and 90 mole percent.
REFERENCES:
patent: 4067852 (1978-01-01), Calundann
patent: 4083829 (1978-04-01), Calundann et al.
patent: 4118372 (1978-10-01), Schaefgen
patent: 4130545 (1978-12-01), Calundann
patent: 4181792 (1980-01-01), Jackson, Jr. et al.
patent: 4219461 (1980-08-01), Calundann
patent: 4256624 (1981-03-01), Calundann
patent: 4318841 (1982-03-01), East et al.
patent: 4337191 (1982-06-01), Favstritsky
patent: 4375530 (1983-03-01), Hay et al.
patent: 4431770 (1984-02-01), East et al.
patent: 4473682 (1984-09-01), Calundann et al.
patent: 4684712 (1987-08-01), Ueno et al.
patent: 4746694 (1988-05-01), Charbonneau et al.
patent: 4983713 (1991-01-01), Hayashi et al.
patent: 5015722 (1991-05-01), Charbonneau et al.
patent: 5055546 (1991-10-01), Sugimoto et al.
Hayashi Noriyuki
Hijikata Kenji
Kageyama Yukihiko
Kanaka Keiichi
Kobashi Toshihiro
Kight III John
Mosley T.
Polyplastics Co. Ltd.
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