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Application US20190194451
Published 2019-06-27
Composition Based On Polyactic Acid
The present invention relates to a composition based on polylactic acid, comprising polylactic acid or a compound derived therefrom, and one or more additives, wherein polymethylmethacrylate is used as at least one additive. The amount of poly-methylmethacrylate is preferably at least 5 wt %, based on the total amount of polylactic acid or a compound derived therefrom, based on weight, in the final composition.
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- 1. A composition based on polylactic acid, comprising polylactic acid or a compound derived therefrom, and one or more additives, characterized in that polymethylmethacrylate is used as at least one additive.
- 8. A method for manufacturing a foamed moulded part, comprising extrusion of polylactic acid or a compound derived therefrom in the presence of one or more additives, impregnation with an impregnating agent, pre-foaming and moulding, characterized in that the aforementioned extrusion is carried out in the presence of polymethylmethacrylate.
