FULLY AROMATIC THERMOTROPIC POLYESTER

Fully aromatic themotropic polyesters are based on (A) from 30 to 60 mol % of 4-hydroxybenzoic acid, (B) from 20 to 35 mol % of a mixture of (B1) terephthalic acid and (B2) isophthalic acid, the molar ratio of B1 to B2 being from 1.04:1 to 19:1, and (C) from 20 to 35 mol % of a mixture of (C1) hydro...

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Bibliographische Detailangaben
Hauptverfasser:	BERUNTO HISUGEN, EERUHARUTO ZAIRAA, HANSU YAAKOPU KOTSUKU, GERUTO BURINNE, MIHIYAERU PORUTOUGARU
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS CHEMISTRY COMPOSITIONS BASED THEREON DYES MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL OR ARTIFICIAL THREADS OR FIBRES NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES SPINNING TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	Fully aromatic themotropic polyesters are based on (A) from 30 to 60 mol % of 4-hydroxybenzoic acid, (B) from 20 to 35 mol % of a mixture of (B1) terephthalic acid and (B2) isophthalic acid, the molar ratio of B1 to B2 being from 1.04:1 to 19:1, and (C) from 20 to 35 mol % of a mixture of (C1) hydroquinone, (C2) 4,4'-dihydroxydiphenyl and (C3) from 0 to 5 mol % of a dihydroxy compound of the general formula I (I) where R and R' are each C1-C4-alkyl, halogen or aryl, n is 1, 2 or 3 and m is 0 or 1, the molar ratio of C1 to C2 being from 0.1:1 to 2.67:1 and the molar ratio of B to C being from 0.9:1 to 1.1:1.