LACTIDE COMPOSITIONS AND POLYLACTIDES MADE THEREFROM

LACTIDE COMPOSITIONS AND POLYLACTIDES MADE THEREFROM

Lactide compositions contain enumerated amounts of one or more impurities. The lactide compositions can be polymerized to form good quality polylactides despite the presence of these impurities. Some of the impurities pass through the polymerization process whereas some are partially or entirely rem...

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Bibliographische Detailangaben
1. Verfasser: Schroeder, Joseph David
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:Lactide compositions contain enumerated amounts of one or more impurities. The lactide compositions can be polymerized to form good quality polylactides despite the presence of these impurities. Some of the impurities pass through the polymerization process whereas some are partially or entirely removed and are therefore present in reduced quantities in the polymer if present at all. Conversely, some impurities are concentrated in the polymer.