JP6675711B2 - 粒子状セルロース複合体及びその製造方法 - Google Patents
粒子状セルロース複合体及びその製造方法 Download PDFInfo
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Description
次に、本発明の複合体(1)の製造方法について、図4の製造工程のフロー図に基づき説明する。
2 セルロースナノファイバー
3 機能性材料
4 天然繊維
5 複合材料懸濁液
Claims (4)
- 木材又は非木材パルプから作製した2nm〜10μmの繊維幅を有するセルロースナノファイバーが複数結合し、平均円形度が0.7以上1.0未満の形状で、偽造防止に利用される少なくとも一つの機能性材料を含有した粒子状セルロース複合体であって、
前記粒子状セルロース複合体を構成する前記セルロースナノファイバーが、繊維質の物体との水素結合により、前記粒子状セルロース複合体が含有する前記機能性材料を前記繊維質の物体上に定着する特性を有することを特徴とする粒子状セルロース複合体。 - 前記粒子状セルロース複合体は、平均粒子径が0.1μm〜30μmであることを特徴とする請求項1記載の粒子状セルロース複合体。
- 請求項1又は2記載の粒子状セルロース複合体が含有する前記機能性材料が、
前記粒子状セルロース複合体を構成するセルロースナノファイバーと用紙との水素結合により、定着した用紙。 - 請求項1又は2に記載の粒子状セルロース複合体を製造する方法であって、
あらかじめ作製したセルロースナノファイバーを含有した懸濁液と、偽造防止に利用される少なくとも一つの機能性材料を所定の量混合する機能性材料混合工程と、
前記機能性材料が混合された懸濁液を噴霧乾燥法により粒子状に加工する粉体化工程を備えた粒子状セルロース複合体の製造方法。
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JP6675711B2 true JP6675711B2 (ja) | 2020-04-01 |
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JP6732175B2 (ja) * | 2016-11-28 | 2020-07-29 | 独立行政法人 国立印刷局 | 色彩を有するセルロース要素を用いたすき入れ紙及びその製造方法 |
JP6991512B2 (ja) * | 2018-08-22 | 2022-01-12 | 独立行政法人 国立印刷局 | すき入れ紙及びその作製方法 |
JP7346018B2 (ja) * | 2018-10-05 | 2023-09-19 | 大王製紙株式会社 | セルロース繊維スラリーの製造方法 |
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JPH09132601A (ja) * | 1995-09-06 | 1997-05-20 | Bio Polymer Res:Kk | 多孔性セルロース粒子の製造方法 |
JP3287798B2 (ja) * | 1997-12-17 | 2002-06-04 | レンゴー株式会社 | 球状セルロース微粒子の製造方法 |
JP2001121811A (ja) * | 1999-10-27 | 2001-05-08 | Rengo Co Ltd | インクジェット記録シート |
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