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公开(公告)号：JP2010201414A
公开(公告)日：2010-09-16
申请号：JP2009291853
申请日：2009-12-24
Inventor： MUKAI KENTA , KUMAMOTO YOSHIAKI
IPC: B05D7/24
Abstract: PROBLEM TO BE SOLVED: To provide a method of manufacturing a filmy molded article which is suitable as an oxygen-barrier film having a high oxygen-barrier property even in a high humidity atmosphere, and to provide a filmy molded article.
SOLUTION: The method of manufacturing the filmy molded article includes a process of forming a film of suspension containing cellulose fibers and a process of drying the article by heating subsequently. The cellulose fibers contain fibers of an average fiber diameter ≤200 nm, wherein cellulose that composes the cellulose fibers has a carboxyl group content of 0.1-2 mmol/g.
COPYRIGHT: (C)2010,JPO&INPITAbstract translation: 要解决的问题：提供即使在高湿度气氛中也适合作为具有高氧阻隔性的氧隔离膜的膜状模塑制品的制造方法，并且提供一种膜状模塑制品。 解决方案：制造薄膜成型制品的方法包括形成含有纤维素纤维的悬浮液的膜的方法和随后加热干燥制品的方法。 纤维素纤维含有平均纤维直径≤200nm的纤维，其中构成纤维素纤维的纤维素的羧基含量为0.1-2mmol / g。 版权所有（C）2010，JPO＆INPIT
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公开(公告)号：JP2015000935A
公开(公告)日：2015-01-05
申请号：JP2013125906
申请日：2013-06-14
Inventor： MUKAI KENTA
Abstract: 【課題】低線熱膨張係数、高光透過率及び高耐熱性を有する、セルロースナノファイバーを含む樹脂組成物を容易に製造し得る方法を提供すること。【解決手段】セルロースナノファイバーと、アクリル樹脂又はメタクリル樹脂とを含有する本発明の樹脂組成物の製造方法は、(A)天然セルロース繊維をN−オキシル化合物存在下で酸化して得られたセルロースナノファイバーと、分散媒と、アクリル酸系モノマー又はメタクリル酸系モノマーとの混合物を得る工程、(B)前記混合物から分散媒を除去してゲル状体を得る工程、及び(C)前記ゲル状体中のアクリル酸系モノマー又はメタクリル酸系モノマーを重合反応に付す工程を有する。【選択図】なし
Abstract translation: 要解决的问题：提供一种可以容易地制造含有纤维素纳米纤维的树脂组合物的方法，该组合物具有低线性热膨胀系数，高透光性和高热稳定性。解决方案提供了一种制备树脂组合物的方法 含有纤维素纳米纤维和丙烯酸树脂或甲基丙烯酸树脂。 该方法包括：（A）获得通过在N-氧基化合物，分散介质和丙烯酸单体或甲基丙烯酸单体的存在下氧化天然纤维素纤维获得的纤维素纳米纤维的混合物的步骤，（B）步骤 通过从混合物中除去分散介质来获得凝胶体，和（C）使丙烯酸单体或甲基丙烯酸单体在凝胶体中进行聚合反应的步骤。
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公开(公告)号：JP2013082796A
公开(公告)日：2013-05-09
申请号：JP2011223024
申请日：2011-10-07
Inventor： MUKAI KENTA , KUMAMOTO YOSHIAKI , NAHATA YOSHIYUKI
IPC: C08L1/02 , A61K8/73 , A61K47/38 , A61L27/00 , C08J3/20 , C08K5/01 , C08K5/053 , C08K5/07 , C08K5/11 , C08K5/41 , C08L71/02 , C08L83/04
Abstract: PROBLEM TO BE SOLVED: To provide a gelled body having high elasticity and high heat resistance and a method for producing the gelled body.SOLUTION: The gelled body contains a cellulose nanofiber and a liquid organic medium having the vapor pressure smaller than that of water at 20°C and ≤50 mass% water content. A hydrophilic organic medium can be used as the organic medium. The method for producing the gelled body comprises the steps of: mixing the cellulose nanofiber with the organic medium in a dispersion medium to obtain a gel precursor; and removing the dispersion medium from the gel precursor.
Abstract translation: 要解决的问题：提供具有高弹性和高耐热性的凝胶体和制备凝胶体的方法。 解决方案：凝胶体含有纤维素纳米纤维和液体有机介质，其蒸气压小于20℃时的水分，≤50质量％含水量。 可以使用亲水性有机介质作为有机介质。 制造凝胶体的方法包括以下步骤：将纤维素纳米纤维与有机介质在分散介质中混合，得到凝胶前体; 并从凝胶前体中除去分散介质。 版权所有（C）2013，JPO＆INPIT
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公开(公告)号：JP2013082650A
公开(公告)日：2013-05-09
申请号：JP2011223025
申请日：2011-10-07
Inventor： MUKAI KENTA , KUMAMOTO YOSHIAKI
Abstract: PROBLEM TO BE SOLVED: To provide a gel for use in adhesive patches which is high in heat stability and is excellent in shape retentivity.SOLUTION: The gel for use in adhesive patches containing cellulose nanofibers, glycerol or a derivative thereof, and a functionalizing agent. This gel is produced desirably by mixing cellulose nanofibers, glycerol or a derivative thereof, and the functionalizing agent in a dispersion medium to obtain a composition for the preparation of the gel and removing the dispersion medium from the composition. Further, there is provided a composition for the preparation of the gel, which is the composition containing cellulose nanofibers, glycerol or a derivative thereof, and a dispersion medium.
Abstract translation: 要解决的问题：提供一种用于热稳定性高且形状保持性优异的粘合剂贴剂中的凝胶。 解决方案：用于含有纤维素纳米纤维，甘油或其衍生物的粘合剂贴剂和官能化剂的凝胶。 该凝胶通过在分散介质中混合纤维素纳米纤维，甘油或其衍生物和官能化剂而产生，以获得用于制备凝胶的组合物并从组合物中除去分散介质。 此外，提供了用于制备凝胶的组合物，其是含有纤维素纳米纤维，甘油或其衍生物和分散介质的组合物。 版权所有（C）2013，JPO＆INPIT
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Patent Agency Ranking
公开(公告)号：JP2013014741A
公开(公告)日：2013-01-24
申请号：JP2012084515
申请日：2012-04-03
Inventor： MUKAI KENTA , SHIIBA RYOTA , KUMAMOTO YOSHIAKI , UGAJIN TORU
IPC: C08L1/00 , C08J3/12 , C08L101/00 , D21H11/20
Abstract: PROBLEM TO BE SOLVED: To provide an additive for modifying a resin suitably usable for producing a cellulose nanofiber composite molding where the cellulose nanofiber is highly dispersed in a resin.SOLUTION: This additive for modifying a resin includes a cellulose nanofiber obtained by making an N-oxyl compound to act on a natural cellulose fiber and/or the cellulose nanofiber derivative, and a resin particle. It is preferable that the cellulose nanofiber and/or the cellulose nanofiber derivative is present on the surface of the resin particle. It is preferable that a thermoplastic resin is used as the resin. The additive for modifying a resin is preferably produced by: preparing an emulsion containing cellulose nanofiber obtained by making an N-oxyl compound act on a natural cellulose fiber and/or a derivative of the cellulose nanofiber, a resin particle and a liquid medium; and removing the liquid medium from the emulsion by drying.
Abstract translation: 要解决的问题：提供一种用于改性可适用于生产纤维素纳米纤维高分散在树脂中的纤维素纳米纤维复合物成型物的树脂的添加剂。 解决方案：用于改性树脂的添加剂包括通过使N-氧基化合物作用于天然纤维素纤维和/或纤维素纳米纤维衍生物而获得的纤维素纳米纤维和树脂颗粒。 纤维素纳米纤维和/或纤维素纳米纤维衍生物优选存在于树脂颗粒的表面上。 优选使用热塑性树脂作为树脂。 用于改性树脂的添加剂优选通过以下步骤制备：制备含有通过使N-氧基化合物作用于天然纤维素纤维和/或纤维素纳米纤维，树脂颗粒和液体介质的衍生物而获得的纤维素纳米纤维的乳液; 并通过干燥从乳液中除去液体介质。 版权所有（C）2013，JPO＆INPIT
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公开(公告)号：JP2012097236A
公开(公告)日：2012-05-24
申请号：JP2010247985
申请日：2010-11-05
Inventor： SHIIBA RYOTA , MUKAI KENTA , KUMAMOTO YOSHIAKI , UGAJIN TORU
Abstract: PROBLEM TO BE SOLVED: To provide an aqueous dispersion which permits the manufacturing of a filmy material having high barrier properties against steam and oxygen.SOLUTION: This aqueous dispersion includes a fine cellulose fiber having a carboxyl-group content of 0.1-3 mmol/g, a layered inorganic compound, and a basic substance. The mass ratio (the basic substance/the layered inorganic compound) of the basic substance to the layered inorganic compound is preferably 0.001-10. The basic substance is preferably volatile matter. This aqueous dispersion can be suitably manufactured by mixing an aqueous dispersion, which contains the layered inorganic compound and the basic substance, with the fine cellulose fiber having a carboxyl-group content of 0.1-3 mmol/g.
Abstract translation: 要解决的问题：提供一种水分散体，其允许制造对蒸气和氧气具有高阻隔性的膜状材料。 该水性分散体包含羧基含量为0.1-3mmol / g的微细纤维素纤维，层状无机化合物和碱性物质。 碱性物质与层状无机化合物的质量比（碱性物质/层状无机化合物）优选为0.001-10。 碱性物质优选为挥发性物质。 这种水分散体可以通过将含有层状无机化合物的水性分散体和碱性物质与羧基含量为0.1-3mmol / g的细纤维素纤维混合来适当地制造。 版权所有（C）2012，JPO＆INPIT
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公开(公告)号：JP2012041489A
公开(公告)日：2012-03-01
申请号：JP2010185810
申请日：2010-08-23
Inventor： MUKAI KENTA , KUMAMOTO YOSHIAKI
Abstract: PROBLEM TO BE SOLVED: To provide a gas barrier molded body that has high gas barrier properties to various gases such as oxygen.SOLUTION: The gas barrier molded body comprises: a fine cellulose fiber having a carboxyl group content of 0.1-3 mmol/g; and a polyvinyl alcohol. It is preferable that the content of the polyvinyl alcohol to the fine cellulose fiber is 0.1-10 mass%. It is preferable that the saponification degree of the polyvinyl alcohol is 90 mol% or greater.
Abstract translation: 要解决的问题：提供一种对各种气体如氧气具有高阻气性的气体阻隔成型体。 阻气性成型体包括：羧基含量为0.1-3mmol / g的细纤维素纤维; 和聚乙烯醇。 聚乙烯醇与微细纤维素纤维的含量优选为0.1〜10质量％。 优选聚乙烯醇的皂化度为90摩尔％以上。 版权所有（C）2012，JPO＆INPIT
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公开(公告)号：JP2010156069A
公开(公告)日：2010-07-15
申请号：JP2008334374
申请日：2008-12-26
Inventor： KUMAMOTO YOSHIAKI , MUKAI KENTA , ISOGAI AKIRA
Abstract: PROBLEM TO BE SOLVED: To provide a paper-making flocculant which can exhibit a high flocculation force, when paper is made.
SOLUTION: The paper-making flocculant includes cellulose fibers, wherein the cellulose fibers have an average fiber diameter of ≤200 nm, and the carboxyl group content of the cellulose comprising the cellulose fibers is 0.1 to 2 mmol/g.
COPYRIGHT: (C)2010,JPO&INPITAbstract translation: 要解决的问题：提供当制造纸时可以表现出高絮凝力的造纸絮凝剂。 解决方案：造纸絮凝剂包括纤维素纤维，其中纤维素纤维的平均纤维直径≤200nm，并且包含纤维素纤维的纤维素的羧基含量为0.1〜2mmol / g。 版权所有（C）2010，JPO＆INPIT
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公开(公告)号：JP2010155363A
公开(公告)日：2010-07-15
申请号：JP2008334370
申请日：2008-12-26
Inventor： KUMAMOTO YOSHIAKI , MUKAI KENTA
Abstract: PROBLEM TO BE SOLVED: To provide a gas-barrier laminate having high water vapor-barrier properties. SOLUTION: Cellulose fibers have an average fiber diameter of 200 nm or below, and the content of the carboxyl group of cellulose constituting the cellulose fibers is 0.1-2 mmol/g. The gas-barrier laminate has a combination of a cellulose fiber layer, containing the cellulose fibers, and a hydrophobing agent layer. COPYRIGHT: (C)2010,JPO&INPIT
Abstract translation: 要解决的问题：提供具有高水蒸汽阻隔性的阻气性层压体。 纤维素纤维的平均纤维直径为200nm以下，构成纤维素纤维的纤维素的羧基含量为0.1〜2mmol / g。 阻气性层压体具有包含纤维素纤维的纤维素纤维层和疏水剂层的组合。 版权所有（C）2010，JPO＆INPIT
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