SHEETS FORMED FROM POLYESTERS INCLUDING ISOSORBIDE
A SHEET MADE OF A POLYESTER WHICH INCLUDES MONOMER UNITS OF TEREPHTHALOYL MOIETIES, ETHYLENE GLYCOL MOIETIES AND ISOSORBIDE MOIETIES IS DESCRIBED. THE POLYESTER HAS AN INHERENT VISCOSITY OF AT LEAST ABOUT 0.35 DL/G WHEN MEASURED AS A 1(WEIGHT/VOLUME) SOLUTION OF SAID POLYESTER IN O-CHLOROPHENOL AT A...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A SHEET MADE OF A POLYESTER WHICH INCLUDES MONOMER UNITS OF TEREPHTHALOYL MOIETIES, ETHYLENE GLYCOL MOIETIES AND ISOSORBIDE MOIETIES IS DESCRIBED. THE POLYESTER HAS AN INHERENT VISCOSITY OF AT LEAST ABOUT 0.35 DL/G WHEN MEASURED AS A 1(WEIGHT/VOLUME) SOLUTION OF SAID POLYESTER IN O-CHLOROPHENOL AT A TEMPERATURE OF 25°C. THE PRESENT INVENTION ALSO RELATES TO A METHOD OF MAKING THE POLYESTER SHEET DESCRIBED ABOVE AND A METHOD OF THERMOFORMING THE SHEET INTO ARTICLES. |
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