<http://schema.org/description>
"Metabolix, Inc., Cambridge, Mass., has developed a series of biobased PHA copolymers that act as impact modifiers, flexibilizers, and processing aids for rigid and flexible PVC."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mmsonline.com/articles/biobased-pha-enhances-pvc-processing-performance>