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公开(公告)号：US20220362720A1
公开(公告)日：2022-11-17
申请号：US17738518
申请日：2022-05-06
Applicant: ENTEGRIS, INC.
Inventor： Sina Bonyadi , Pushkara Rao Varanasi , Zhifeng Li , Carrie Lynn Frazee
Abstract: The disclosure provides certain porous membranes comprised of cyclic polyolefin polymers, such as poly(norbornene)s. In one embodiment, a poly(norbornene) polymer is dissolved in tetrahydrofuran, cast into a film and subjected to solvent induced phase separation to provide a porous filter membrane (i.e., film).
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