Aromatic polyesters and high strength filaments thereof

Details Aromatic polyesters and high strength filaments thereof Aromatic polyesters and high strength filaments thereof

C - Chemistry, Metallurgy

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C08G 63/68 (2006.01) C08G 63/18 (2006.01) C08G 63/193 (2006.01) C08G 63/60 (2006.01) C08G 63/682 (2006.01) D01F 6/84 (2006.01)

Patent

CA 1198849

TITLE AROMATIC POLYESTERS AND HIGH STRENGTH FILAMENTS THEREOF ABSTRACT OF THE DISCLOSURE Filaments, films or moldings are prepared from meltable polyesters derived from chloro- or methyl-hydroquinone, terephthalic acid, a member of the group consisting of 4,4'-dihydroxybiphenyl, and 4-carboxy-4'-hydroxybiphenyl and a member of the group consisting of isophthalic acid, resorcinol and 1,3-hydroxybenzoic acid. As-spun filaments from these polymers can be heat treated while free from tension to increase their tenacity.

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