Invention Grant
- Patent Title: Aqueous exfoliated graphene by amphiphilic cellulose nanofibrils for foldable and moisture-responsive nanopaper
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Application No.: US17288375Application Date: 2019-10-28
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Publication No.: US11920304B2Publication Date: 2024-03-05
- Inventor: You-Lo Hsieh , Xuezhu Xu
- Applicant: The Regents of the University of California
- Applicant Address: US CA Oakland
- Assignee: The Regents of the University of California
- Current Assignee: The Regents of the University of California
- Current Assignee Address: US CA Oakland
- Agency: Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C.
- International Application: PCT/US2019/058376 2019.10.28
- International Announcement: WO2020/087075A 2020.04.30
- Date entered country: 2021-04-23
- Main IPC: D21H11/18
- IPC: D21H11/18 ; C01B32/184 ; C01B32/21 ; D21F13/00 ; D21H17/67 ; D21H27/00
Abstract:
The present invention describes a method for preparing graphene by mixing graphite and carbon nanofibrils. The prepared graphene can be used to form nanopaper. The present invention also provides a method of preparing nanopaper by suspending cellulose nanofibrils and graphene, followed by vacuum filtering of the suspension.
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