LOW VISCOSITY LIQUID CRYSTALLINE POLYMER COMPOSITIONS

A liquid crystalline polyesters or poly(ester-amides) having improved melt viscosity, is made by reacting the polymer with limited amounts of a compound containing specified functionality, such as hydroxyl, carboxyl, or amine. The process may be carried out in a typical polymer melt mixing apparatus...

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Bibliographische Detailangaben
1. Verfasser:	SOELCH, RICHARD, ROBERT
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	A liquid crystalline polyesters or poly(ester-amides) having improved melt viscosity, is made by reacting the polymer with limited amounts of a compound containing specified functionality, such as hydroxyl, carboxyl, or amine. The process may be carried out in a typical polymer melt mixing apparatus such as an extruder. The low viscosity polymer product of the claimed invention has surprising toughness and is particularly useful for encapsulation of electronic components.