公开(公告)号：EP4098441A1

公开(公告)日：2022-12-07

申请号：EP20917183.4

申请日：2020-11-18

申请人： Toyo Seikan Co., Ltd.

发明人： YAMADA, Toshiki ,  UEDA, Yuji ,  YASUUMI, Takahiro ,  ISHIZAKA, Koichi

IPC分类号： B32B27/32 ,  B65D65/40

摘要： Provided is a laminate that is excellent in heat sealing properties and is suitable for reuse. The laminate includes: a first layer having a melting point of Tm 1 and containing a first polyethylene alone as a resin; and a second layer having a melting point of Tm 2 and containing a second polyethylene alone as a resin, where: the first layer and the second layer are disposed respectively as outermost surfaces of the laminate; and Tm 1 - Tm 2 ≥24.0°C is satisfied.

公开(公告)号：EP4261041A1

公开(公告)日：2023-10-18

申请号：EP21903332.1

申请日：2021-12-03

申请人： Toyo Seikan Co., Ltd.

发明人： YAMADA, Toshiki ,  YASUUMI, Takahiro ,  MATSUSAKI, Ren ,  UEDA, Yuji

IPC分类号： B32B27/18 ,  B32B27/32 ,  B65D65/40

摘要： A sealant film (10) according to an embodiment of the present invention includes two virgin polyethylene layers of a first virgin polyethylene layer (1) and a second virgin polyethylene layer (3), as well as an intermediate layer (5) that contains a recycled polyethylene and that is provided between the two virgin polyethylene layers (1) and (3).