Copolyesters of derivatives of hydroquinone

Details Copolyesters of derivatives of hydroquinone Copolyesters of derivatives of hydroquinone

1975-07-16

1976-11-09

Lee, Lester L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

57140R, 260 328R, 264176F, 428480, C08G 6318, C08G 6366

Patent

active

039910130

ABSTRACT:
This invention relates to a class of novel copolyesters derived from derivatives of hydroquinone and a mixture of ethylenedioxy-4,4'-dibenzoic acid with terephthalic, bibenzoic, hexahydroterephthalic acids or 2,6-naphthalenedicarboxylic acid and to the fibers and other shaped articles prepared therefrom. Also comprehended by this invention are the novel, optically anisotropic copolyester melts from which these shaped articles can be prepared.

REFERENCES:
patent: 3160603 (1964-12-01), Holub et al.
patent: 3160605 (1964-12-01), Kantor et al.
patent: 3225003 (1965-12-01), Macon
patent: 3704279 (1972-11-01), Ismail
patent: 3780148 (1973-12-01), Jackson, Jr. et al.

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