Aromatic polyester of 6,6'-(ethylenedioxy)di-2-naphthoic acid, p

Details Aromatic polyester of 6,6'-(ethylenedioxy)di-2-naphthoic acid, p Aromatic polyester of 6,6'-(ethylenedioxy)di-2-naphthoic acid, p

1984-12-17

1986-04-08

Lee, Lester L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528176, 528190, 528194, 528195, 528206, 528271, C08G 6366

Patent

active

045814384

ABSTRACT:
A novel, substantially linear aromatic polyester comprising 6,6'-(ethylenedioxy)di-2-naphthoic acid as a main acid component and an aliphatic glycol having 2 to 10 carbon atoms in the main chain of the glycol as a main glycol component. The aromatic polyester is prepared by condensing an ethylene glycol diester of 6,6'-(ethylenedioxy)di-2-naphthoic acid, or a mixture of a major proportion of said naphthoate with a dicarboxylic acid, a diol, a hydroxycarboxylic acid or an ester-forming derivative thereof, at an elevated temperature. The aromatic polyester has excellent mechanical properties such as strength and Young's modulus.

REFERENCES:
patent: 3185665 (1965-05-01), Lange
patent: 3816368 (1974-06-01), Kobayashi et al.
patent: 3935166 (1976-01-01), Kanai et al.
patent: 4395513 (1983-07-01), Calundann et al.

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