Compositions comprising polylactic acid, bentonite, and gum arabic

摘要

Biodegradable materials and, in particular, compositions comprising polylactic acid, bentonite, and gum arabic are provided. Processes, methods and uses involving polylactic acid are further provided.

主权项

1. An extrusion method of producing an extruded plastic, the extrusion method comprising:
(a) providing a composition having a moisture content of about 1% by weight or less, comprising polylactic acid, bentonite, and gum Arabic; (b) thermally compounding the composition through an extruder, the extruder extending through a plurality of temperature zones comprising three temperature zones: a first temperature zone at 350 ° F., a second temperature zone at 320 ° F., and a third temperature zone at 310 ° F.; each temperature zone being above the melt temperature of the composition; and (c) extruding the composition through the extruder, thereby producing the extruded plastic.