Polymeric materials and products, including sheet flooring materials prepared from the polymeric materials, and processes for preparing the polymeric materials, are disclosed. The polymeric materials include a polylactic acid-based polymer in combination with plasticizer and a compatibilizer, and optionally...http://www.google.es/patents/US7256223?utm_source=gb-gplus-sharePatente US7256223 - Environmentally friendly polylactide-based composite formulations