- 专利标题： Cellulose fibers, cellulose fiber-containing composition, cellulose fiber dispersion, and method for producing cellulose fibers
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申请号： US16489917申请日： 2018-03-01
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公开(公告)号： US11578456B2公开(公告)日： 2023-02-14
- 发明人: Mengchen Zhao , Yusuke Todoroki , Yuichi Noguchi , Ikue Sugiyama
- 申请人： OJI HOLDINGS CORPORATION
- 申请人地址： JP Tokyo
- 专利权人： OJI HOLDINGS CORPORATION
- 当前专利权人： OJI HOLDINGS CORPORATION
- 当前专利权人地址： JP Tokyo
- 代理机构： Sughrue Mion, PLLC
- 优先权： JPJP2017-038708 20170301,JPJP2017-244757 20171221
- 国际申请： PCT/JP2018/007711 WO 20180301
- 国际公布： WO2018/159743 WO 20180907
- 主分类号： D06M11/71
- IPC分类号： D06M11/71 ; C08L1/08 ; D21H11/20 ; D06M101/06
摘要：
It is an object of the present invention to provide ultrafine cellulose fibers capable of exhibiting favorable dispersibility even in an organic solvent. The present invention relates to cellulose fibers having a fiber width of 1000 nm or less and having phosphoric acid groups or phosphoric acid group-derived substituents, wherein the content of the phosphoric acid groups or phosphoric acid group-derived substituents is 0.5 mmol/g or more, and the supernatant yield measured by an measurement method (a) is 70% or less.
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