公开(公告)号：US20180207913A1

公开(公告)日：2018-07-26

申请号：US15746075

申请日：2016-08-04

Applicant: DSM IP ASSETS B.V.

Inventor： Alexander Antonius Marie STROEKS ,  Hao CHEN ,  James Calvin MILLER

IPC: B32B27/08 ,  B32B27/32 ,  B32B27/30 ,  B32B27/34 ,  B32B7/12

CPC classification number: B32B27/08 ,  B29C39/203 ,  B29C39/22 ,  B29C49/22 ,  B29C49/4273 ,  B29C2049/227 ,  B29K2023/06 ,  B29K2023/086 ,  B29K2023/12 ,  B29K2077/00 ,  B29K2105/0002 ,  B29K2105/0085 ,  B29K2995/0041 ,  B29K2995/0067 ,  B29K2995/0097 ,  B29L2007/008 ,  B29L2009/00 ,  B32B7/12 ,  B32B27/306 ,  B32B27/32 ,  B32B27/34 ,  B32B2250/24 ,  B32B2270/00 ,  B32B2307/406 ,  B32B2307/412 ,  B32B2439/70

Abstract: The invention relates to a co-extruded film comprising a sealing layer of low density polyethylene and a skin layer, wherein the skin layer comprises a copolyamide which comprises: •At least 75 wt % monomeric units derived from caprolactam; •Between 5 to 25 wt % monomeric units derived from a diamine and terephthalic acid; wherein the weight percentage is with respect to the total weight of copolyamide in the skin layer. The invention also relates to a process for preparing such a film, as well as applications of the film.