Thermotropic aromatic polyesters having high rigidity and toughn

Details Thermotropic aromatic polyesters having high rigidity and toughn Thermotropic aromatic polyesters having high rigidity and toughn

1984-07-03

1986-07-29

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528190, 528191, 528194, C08G 6360

Patent

active

046031901

ABSTRACT:
Thermotropic wholly aromatic polyesters containing condensed residues of p-hydroxybenzoic acid, isophthalic and optionally terephthalic acid, hydroquinone and 3.4'- and/or 4.4'-dihydroxy diphenyl, -diphenyl ether and/or -diphenyl sulphide, have excellent mechanical properties and are nevertheless not difficult to process.

REFERENCES:
patent: 3637595 (1972-01-01), Cottis et al.
patent: 4066620 (1978-01-01), Kleinschuster et al.
patent: 4146702 (1979-03-01), Morris et al.
patent: 4269965 (1981-05-01), Irwin
patent: 4374228 (1983-02-01), Langley
patent: 4412058 (1983-10-01), Siemionko
patent: 4447593 (1984-05-01), Funakoshi et al.
patent: 4536561 (1985-08-01), Schmidt et al.

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