Polyphenyl-1,4-phenylene terephthalates and fibers therefrom

Details Polyphenyl-1,4-phenylene terephthalates and fibers therefrom Polyphenyl-1,4-phenylene terephthalates and fibers therefrom

C - Chemistry, Metallurgy

08

G

402/203, 18/624

C08G 63/18 (2006.01) C08G 63/193 (2006.01) C08G 63/199 (2006.01) C08G 63/60 (2006.01) C08G 63/682 (2006.01) C08J 5/18 (2006.01) D01F 6/00 (2006.01) D01F 6/62 (2006.01)

Patent

CA 1092747

ABSTRACT OF THE DISCLOSURE This invention relates to novel fiber-forming poly- esters which in fiber form have high tenacity and high retention of tenacity at elevated temperatures and to methods for making such polyesters. Fiber preparation and best treatment are also disclosed.

291080

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