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1. (WO2016105998) COMPOSITIONS AND FILMS COMPRISING POLYLACTIC ACID POLYMER, POLYVINYL ACETATE POLYMER AND PLASTICIZER

Pub. No.:    WO/2016/105998    International Application No.:    PCT/US2015/065557
Publication Date: Jun 30, 2016 International Filing Date: Dec 14, 2015
IPC: C08L 67/04
C09J 7/02
Applicants: 3M INNOVATIVE PROPERTIES COMPANY
Inventors: ZHOU, Ning
CLOUGH, Robert S.
DEHN, Derek J.
KALISH, Jeffrey P.
MERRILL, William W.
LEWANDOWSKI, Kevin M.
CHAKRAVARTY, Jayant
Title: COMPOSITIONS AND FILMS COMPRISING POLYLACTIC ACID POLYMER, POLYVINYL ACETATE POLYMER AND PLASTICIZER
Abstract:
A composition is described comprising semicrystalline polylactic acid polymer; polyvinyl acetate polymer having a glass transition temperature (Tg) of at least 25C; plasticizer; and optionally amorphous polylactic acid polymer. In another embodiment the composition further comprises nucleating agent. Also described are films comprising the composition as well as articles, such as a tape or sheet, comprising the film described herein and a layer of pressure sensitive adhesive disposed on the film.