Polyalkylene arylates containing a high proportion of carboxyl end groups

A process for preparing polyalkylene arylates by esterifying or transesterifying an aromatic dicarboxylic acid or its esters or ester-forming derivatives with a molar excess of an aliphatic dihydroxy compound and polycondensing the resultant esterification or transesterification product comprises po...

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Bibliographische Detailangaben
Hauptverfasser:	KLATT MARTIN, HEITZ THOMAS, HEEL HELMUT, BRAUNE PETER
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	A process for preparing polyalkylene arylates by esterifying or transesterifying an aromatic dicarboxylic acid or its esters or ester-forming derivatives with a molar excess of an aliphatic dihydroxy compound and polycondensing the resultant esterification or transesterification product comprises polycondensing the prepolymer with a viscosity number (VN) of