公开(公告)号：US11040515B2

公开(公告)日：2021-06-22

申请号：US16333711

申请日：2017-09-20

Applicant: UNITIKA LTD.

Inventor： Mari Shimizu ,  Kouhei Tanaka ,  Nobuyasu Okumura

IPC: B32B7/06 ,  B29C55/02 ,  B29C55/14 ,  B29C55/12 ,  B32B27/30 ,  B32B27/36 ,  B32B27/00 ,  B32B27/26 ,  C08J5/18 ,  B29K29/00 ,  B29K67/00 ,  B29K33/00

Abstract: There is provided a release film comprising a substrate film and a resin layer provided on at least one surface of a substrate film, wherein the resin layer comprises 100 parts by mass of an acid-modified polyolefin resin, 1 to 20 parts by mass of a crosslinking agent and 10 to 1,000 parts by mass of a polyvinyl alcohol having a saponification rate of 99% or lower.

公开(公告)号：US20190224945A1

公开(公告)日：2019-07-25

申请号：US16333711

申请日：2017-09-20

Applicant: UNITIKA LTD.

Inventor： Mari Shimizu ,  Kouhei Tanaka ,  Nobuyasu Okumura

IPC: B32B7/06 ,  B29C55/02 ,  B29C55/14 ,  B32B27/30 ,  B32B27/36

Abstract: There is provided a release film comprising a substrate film and a resin layer provided on at least one surface of a substrate film, wherein the resin layer comprises 100 parts by mass of an acid-modified polyolefin resin, 1 to 20 parts by mass of a crosslinking agent and 10 to 1,000 parts by mass of a polyvinyl alcohol having a saponification rate of 99% or lower.