BIOLOGICALLY DEGRADABLE POLYMERIC COMPOSITION WITH HIGH DEFORMABILITY

The invention concerns a biologically degradable polymeric composition containing 5 to 95 wt % of polyhydroxyalkanoate and 95 to 5 wt % of polylactic acid or lactide with addition of 2 to 67 parts of plasticizer or mixture of plasticizers per 100 parts of the polymeric blend. The invention covers al...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TOMANOVA, KATARINA, PAVLACKOVA, MIROSLAVA, BENOVIC, FRANTISEK, ALEXY, PAVOL, BAKOS, DUSAN, BUGAJ, PETER, CHODAK, IVAN, MIHALIK, MICHAL, PLAVEC, RODERIK, BOTOSOVA, MONIKA
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	The invention concerns a biologically degradable polymeric composition containing 5 to 95 wt % of polyhydroxyalkanoate and 95 to 5 wt % of polylactic acid or lactide with addition of 2 to 67 parts of plasticizer or mixture of plasticizers per 100 parts of the polymeric blend. The invention covers also composition containing 0.05 to 5 wt % of a reactive additive. Plasticizers are selected from chemicals, such as esters of citric acid, esters of glycerol, esters of phosphoric acid, esters of sebacic acid and other liquid organic low- molecular polyesters. The reactive additive is selected from a group of chemicals such as acrylic polymers, epoxidized acrylic polymers, diisocyanates and their derivatives, epoxidized oils, oligomeric copolymers of various monomers with glycidyl methacrylate and other species.