公开(公告)号：US20210171804A1

公开(公告)日：2021-06-10

申请号：US16760677

申请日：2018-10-31

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Eumi Pyun ,  Shinsuke Kondo ,  Masaaki Furusawa ,  Kazuyuki Hattori ,  Lynn E. Lorimor ,  Dong-Wei Zhu

IPC: C09J7/24 ,  C09J133/08 ,  C08K5/521 ,  C09J107/00 ,  C09J163/00 ,  C09J167/00 ,  C09J183/04

Abstract: The present disclosure relates to a low-combustibility film construction. The film construction includes a film layer, a first adhesive layer with a fire-retardant additive of at least 41% by weight and a second adhesive layer. The total thickness of the adhesive layers is in the range of 18.5 to 44.5 microns. The total thickness of the fire retardant adhesive layer is 32% to 85% of the total adhesive thickness.