MULTICOMPONENT TAPES, FILMS OR YARNS AND METHOD OF PREPARATION THEREOF

摘要

The invention is directed to coextruded tapes, films, yarns and the likes of polylactic acid (PLA) and methods of preparation thereof. The present invention is directed to an extruded tape, film or yarn comprising a first phase, in particular a first layer, based on PLA and a second phase, in particular a second layer, also based on PLA, but having different sealing properties, wherein the peak melt temperature or seal initiation temperature of the second layer is lower than the peak melt temperature and/or the melt seal initiation temperature of the first layer; or wherein the Vicat softening point of the second layer is lower than the Vicat softening point of the first layer.