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公开(公告)号：US20210292933A1
公开(公告)日：2021-09-23
申请号：US17285163
申请日：2019-10-25
Applicant: KURARAY CO., LTD.
Inventor： Yoshimi NONAKA , Yosuke WASHITAKE , Shinji SEKIYA , Ryokei ENDO
Abstract: Polyvinyl alcohol-based fibers contain a polyvinyl alcohol-based polymer and an adsorbent. With respect to 100 parts by mass of the polyvinyl alcohol-based polymer, 30 to 500 parts by mass of the adsorbent is contained. The polyvinyl alcohol-based fibers have a crystallinity of polyvinyl alcohol ranging from 30% to 60%, a diameter ranging from 5 μm to 1000 μm, and a specific surface area ranging from 10 m2/g to 2000 m2/g.
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