COMPOSITION FOR PREPARING A NANOSTRUCTURED BIODEGRADABLE POLYMERIC MATERIAL, THE OBTAINED MATERIAL AND USES THEREOF

The composition comprises a mixture of: i) poly(L-, D-lactide) homopolymer and, optionally, poly(µ-caprolactone) homopolymer, and ii) poly(L-lactide) and poly(µ-caprolactone) diblock copolymer, where said copolymer has a molar mass of the L-lactide block of 20,000 g/mol to 200,000 g/mol and a molar...

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Main Authors ORTUÑO MANSILLA, NATALIA, AUCEJO ROMERO, SUSANA, GALLUR BLANCA, MIRIAM, JORDÁ BENEYTO, MARÍA, GALET DOMINGO, ANA, HORTAL RAMOS, MERCEDES
Format Patent
LanguageEnglish
French
German
Published 03.02.2016
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:The composition comprises a mixture of: i) poly(L-, D-lactide) homopolymer and, optionally, poly(µ-caprolactone) homopolymer, and ii) poly(L-lactide) and poly(µ-caprolactone) diblock copolymer, where said copolymer has a molar mass of the L-lactide block of 20,000 g/mol to 200,000 g/mol and a molar mass of the µ-caprolactone block of 10,000 g/mol to 100,000 g/mol, with the molar ratio between the L-lactide block and the µ-caprolactone block of 2:1. The invention also refers to the nanostructured material obtained from this composition that is characterised by a nanostructure of two mutually self-assembled phases, one phase being formed by a polymeric matrix of poly(L-, D-lactide) units and the other phase by poly(µ-caprolactone) units self-assembled with the matrix and also its use for the manufacture of a plastic article in the form of a transparent film or thin sheet.
Bibliography:Application Number: EP20130382126