公开(公告)号：US20170321048A1

公开(公告)日：2017-11-09

申请号：US15526957

申请日：2015-11-20

Applicant: Borealis AG

Inventor： Auli NUMMILA-PAKARINEN ,  Mikko PELTOVUORI

IPC: C08L23/12 ,  C09D123/12 ,  B29C47/00 ,  B29K23/00 ,  B29C47/02

CPC classification number: C08L23/12 ,  B29C47/0004 ,  B29C47/0021 ,  B29C47/0064 ,  B29C47/02 ,  B29K2023/10 ,  C08L2205/02 ,  C08L2205/03 ,  C08L2314/06 ,  C09D123/12 ,  C08L23/06 ,  C08L23/0815

Abstract: The present invention relates to a polymer composition (A) comprising a blend of i) 60 to 90 wt-% of propylene polymer composition (a) comprising a blend of (a-1) 55 to 95 wt-% of propylene polymer and (a-2) 5 to 45 wt-% of low density ethylene polymer and ii) 10 to 40 wt-% of a plastomer (b) of ethylene copolymer. The invention relates also to extrusion coating articles, comprising at least a substrate layer and a heat sealable layer, wherein composition (A) is used as said heat sealable layer, process for producing the extrusion coated articles as well use of the composition (A) as a heat sealable layer in an extrusion coated article.