公开(公告)号：US20180272668A1

公开(公告)日：2018-09-27

申请号：US15764451

申请日：2016-09-29

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Ignatius A. KADOMA ,  Stewart W. CAMPBELL ,  David M. PETERSON

IPC: B32B27/08 ,  B32B27/22 ,  B32B27/36 ,  C08L67/04 ,  C08G63/08

CPC classification number: B32B27/08 ,  B32B27/06 ,  B32B27/22 ,  B32B27/26 ,  B32B27/36 ,  B32B2250/24 ,  B32B2250/244 ,  B32B2250/44 ,  B32B2307/412 ,  B32B2307/50 ,  B32B2307/7163 ,  B32B2307/732 ,  B32B2553/00 ,  C08G63/08 ,  C08K5/0016 ,  C08K5/11 ,  C08L67/04

Abstract: A multilayer film comprises (a) two or more non-plasticized layers comprising lactic acid polymer and (b) one or more plasticized layers comprising lactic acid polymer and plasticizer sandwiched between the two or more lactic acid polymer layers; wherein the thickness of the one or more plasticized layers comprises from about 60% to about 70% of the total thickness of the multilayer film.