BASF Corp., Florham Park, N.J., has introduced its first biodegradable plastic based on a renewable raw material. Ecovio contains 45% polylactic acid (PLA) from NatureWorks LLC, Minnetonka, Minn., blended with BASF's Ecoflex biodegradable polyester, which is derived from petrochemicals. The first application will be films for shopping bags. Ecovio is made by a special process that chemically binds Ecoflex and PLA. The material can be extruded into film as is or mixed with Ecoflex or PLA to obtain softer or harder formulations for injection molding or deep-draw applications.
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