Environmentally degradable polymeric composition and method...

Details Environmentally degradable polymeric composition and method... Environmentally degradable polymeric composition and method...

C - Chemistry, Metallurgy

08

L

C08L 67/04 (2006.01)

Patent

CA 2641927

The environmentally degradable polymeric composition is obtained from the biodegradable polymers poly (hydroxybutyrate)-PHB and copolymers thereof and poly (lactic acid)-PLA and, optionally, at least one of the additives defined by: plasticizer of natural origin, such as natural fibers; natural fillers; thermal stabilizer; nucleant; compatibilizer; surface treatment agent; and processing aid.

La composition polymérique biodégradable de l'invention est constituée des polymères biodégradables, le poly(hydroxybutyrate) (PHB) et les copolymères de ce dernier, de poly(acide lactique) (PLA) et, éventuellement, d'au moins un des additifs ci-après: un plastifiant d'origine naturelle, tel que des fibres naturelles; des charges naturelles; un stabilisant thermique; un nucléant, un agent de compatibilité; un agent de traitement de surface et un additif de traitement.

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