Novel polyesters coated on conductive substrate

An organic, high-molecular weight polyester containing substantially chain members of the formula -O-X-O-Y- wherein X is at least one member of the group consisting of and Y has the formula having an inherent viscosity of at least 1.0 dl/g, preferably at least 1.2, dl/g measured at 30 DEG C. in a so...

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Bibliographische Detailangaben
Hauptverfasser:	FEHRLE, MARTIN, RIEDER, WERNER
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G BASIC ELECTRIC ELEMENTS CABLES CHEMISTRY COMPOSITIONS BASED THEREON CONDUCTORS ELECTRICITY GENERAL PROCESSES OF COMPOUNDING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INSULATORS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	An organic, high-molecular weight polyester containing substantially chain members of the formula -O-X-O-Y- wherein X is at least one member of the group consisting of and Y has the formula having an inherent viscosity of at least 1.0 dl/g, preferably at least 1.2, dl/g measured at 30 DEG C. in a solution of 0.5 g of the polyester in 100 ml of a mixture of 60% by weight of phenol and 40% by weight of 1,1,2,2-tetrachloroethane and whose films cast from a chlorinated organic solution have an elongation at break of at least 10%, preferably at least 20%, measured according to ASTM D-882-75 b with the proviso that if the inherent viscosity is between 1.0 dl/g and 1.5 dl/g, Y is a mixture of 70 to 30% of terephthalic acid and 30 to 70% of isophthalic acid having excellent properties for electrical insulation as well as other fields.