公开(公告)号：US20180272290A1

公开(公告)日：2018-09-27

申请号：US15995336

申请日：2018-06-01

申请人： 3M INNOVATIVE PROPERTIES COMPANY

发明人： Kwantai Cho ,  J. Clifton DeLozier

IPC分类号： B01D69/08 ,  B29C47/00 ,  B29C47/06 ,  B29C71/02 ,  B01D71/26 ,  B29K23/00 ,  B29L9/00 ,  B29L31/00

CPC分类号： B01D69/088 ,  B01D67/0027 ,  B01D69/12 ,  B01D71/26 ,  B29C48/0018 ,  B29C48/21 ,  B29C71/02 ,  B29C2071/022 ,  B29K2023/04 ,  B29K2023/10 ,  B29K2023/16 ,  B29L2009/00 ,  B29L2031/755

摘要： Microporous polymer membranes and related methods of fabrication are provided. An asymmetric microporous membrane embodiment includes, but is not limited to, a thermoplastic polymer substrate defining a plurality of micropores, the thermoplastic polymer including one or more of polyethylene (PE), polypropylene (PP), polymethylpentene (PMP), and a combination thereof; and a polymethylpentene (PMP) polymer skin positioned on the thermoplastic polymer substrate, wherein when the thermoplastic polymer substrate includes PMP, the PMP polymer skin has a crystallinity that differs from a crystallinity of the PMP in the polymer substrate.

公开(公告)号：US10010835B2

公开(公告)日：2018-07-03

申请号：US14645972

申请日：2015-03-12

申请人： 3M Innovative Properties Company

发明人： Kwantai Cho ,  J. Clifton DeLozier

IPC分类号： B01D69/08 ,  B01D71/26 ,  B29C47/06 ,  B29C47/00 ,  B29C71/02 ,  B29K23/00 ,  B29L9/00 ,  B29L31/00

CPC分类号： B01D69/088 ,  B01D67/0027 ,  B01D69/12 ,  B01D71/26 ,  B29C48/0018 ,  B29C48/21 ,  B29C71/02 ,  B29C2071/022 ,  B29K2023/04 ,  B29K2023/10 ,  B29K2023/16 ,  B29L2009/00 ,  B29L2031/755

摘要： Microporous polymer membranes and related methods of fabrication are provided. An asymmetric microporous membrane embodiment includes, but is not limited to, a thermoplastic polymer substrate defining a plurality of micropores, the thermoplastic polymer including one or more of polyethylene (PE), polypropylene (PP), polymethylpentene (PMP), and a combination thereof; and a polymethylpentene (PMP) polymer skin positioned on the thermoplastic polymer substrate, wherein when the thermoplastic polymer substrate includes PMP, the PMP polymer skin has a crystallinity that differs from a crystallinity of the PMP in the polymer substrate.