JP6669694B2 - セルロースナノファイバー化用パルプ繊維を製造する方法、及びセルロースナノファイバー化用パルプ繊維 - Google Patents

セルロースナノファイバー化用パルプ繊維を製造する方法、及びセルロースナノファイバー化用パルプ繊維 Download PDF

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JP6669694B2
JP6669694B2 JP2017126793A JP2017126793A JP6669694B2 JP 6669694 B2 JP6669694 B2 JP 6669694B2 JP 2017126793 A JP2017126793 A JP 2017126793A JP 2017126793 A JP2017126793 A JP 2017126793A JP 6669694 B2 JP6669694 B2 JP 6669694B2
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pulp fiber
ozone
superabsorbent polymer
pulp
cellulose nanofiber
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JP2019005733A (ja
JP2019005733A5 (enExample
Inventor
孝義 小西
孝義 小西
利夫 平岡
利夫 平岡
範朋 栗田
範朋 栗田
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Unicharm Corp
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Unicharm Corp
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Priority to JP2017126793A priority Critical patent/JP6669694B2/ja
Application filed by Unicharm Corp filed Critical Unicharm Corp
Priority to EP18824513.8A priority patent/EP3626882B1/en
Priority to CN201880040344.1A priority patent/CN110770394B/zh
Priority to US16/626,983 priority patent/US20200131702A1/en
Priority to PCT/JP2018/018175 priority patent/WO2019003655A1/ja
Publication of JP2019005733A publication Critical patent/JP2019005733A/ja
Publication of JP2019005733A5 publication Critical patent/JP2019005733A5/ja
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Publication of JP6669694B2 publication Critical patent/JP6669694B2/ja
Priority to US18/153,410 priority patent/US11987932B2/en
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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/02—Working-up waste paper
    • D21C5/022—Chemicals therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L11/00—Methods specially adapted for refuse
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/18—Liquid substances or solutions comprising solids or dissolved gases
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/18—Liquid substances or solutions comprising solids or dissolved gases
    • A61L2/183—Ozone dissolved in a liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
    • B09B3/32—Compressing or compacting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/70—Chemical treatment, e.g. pH adjustment or oxidation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/16—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with inorganic material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
    • C08J11/22—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds
    • C08J11/26—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds containing carboxylic acid groups, their anhydrides or esters
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/02—Working-up waste paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/001—Modification of pulp properties
    • D21C9/007—Modification of pulp properties by mechanical or physical means
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/14—Secondary fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B2101/00—Type of solid waste
    • B09B2101/65—Medical waste
    • B09B2101/67—Diapers or nappies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B29B2017/0213—Specific separating techniques
    • B29B2017/0293—Dissolving the materials in gases or liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/48—Wearing apparel
    • B29L2031/4871—Underwear
    • B29L2031/4878—Diapers, napkins

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Toxicology (AREA)
  • Mechanical Engineering (AREA)
  • Sustainable Development (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Paper (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Processing Of Solid Wastes (AREA)
JP2017126793A 2017-06-28 2017-06-28 セルロースナノファイバー化用パルプ繊維を製造する方法、及びセルロースナノファイバー化用パルプ繊維 Active JP6669694B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2017126793A JP6669694B2 (ja) 2017-06-28 2017-06-28 セルロースナノファイバー化用パルプ繊維を製造する方法、及びセルロースナノファイバー化用パルプ繊維
CN201880040344.1A CN110770394B (zh) 2017-06-28 2018-05-10 制造纤维素纳米纤维化用浆粕纤维的方法及纤维素纳米纤维化用浆粕纤维
US16/626,983 US20200131702A1 (en) 2017-06-28 2018-05-10 Method for producing pulp fibers for cellulose nanofiberization, and pulp fibers for cellulose nanofiberization
PCT/JP2018/018175 WO2019003655A1 (ja) 2017-06-28 2018-05-10 セルロースナノファイバー化用パルプ繊維を製造する方法、及びセルロースナノファイバー化用パルプ繊維
EP18824513.8A EP3626882B1 (en) 2017-06-28 2018-05-10 Method for producing pulp fibers for cellulose nanofiberization, and pulp fibers for cellulose nanofiberization
US18/153,410 US11987932B2 (en) 2017-06-28 2023-01-12 Method for producing pulp fibers for cellulose nanofiberization, and pulp fibers for cellulose nanofiberization

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JP2017126793A JP6669694B2 (ja) 2017-06-28 2017-06-28 セルロースナノファイバー化用パルプ繊維を製造する方法、及びセルロースナノファイバー化用パルプ繊維

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JP2019005733A JP2019005733A (ja) 2019-01-17
JP2019005733A5 JP2019005733A5 (enExample) 2019-10-31
JP6669694B2 true JP6669694B2 (ja) 2020-03-18

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US (2) US20200131702A1 (enExample)
EP (1) EP3626882B1 (enExample)
JP (1) JP6669694B2 (enExample)
CN (1) CN110770394B (enExample)
WO (1) WO2019003655A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
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JP6643455B1 (ja) * 2018-11-09 2020-02-12 ユニ・チャーム株式会社 セルロースナノファイバー化用パルプ繊維を製造する方法
WO2020096013A1 (ja) * 2018-11-09 2020-05-14 ユニ・チャーム株式会社 リサイクルパルプ繊維を製造する方法、及びリサイクルパルプ繊維、並びにオゾンの使用
JP7179077B2 (ja) * 2019-08-30 2022-11-28 ユニ・チャーム株式会社 繊維複合強化材料用のパルプ繊維原料を製造する方法、繊維複合強化材料用のパルプ繊維原料、繊維複合強化材料、ペレット、フィルム、繊維、不織布
JP7517817B2 (ja) * 2019-12-16 2024-07-17 ユニ・チャーム株式会社 セルロースナノファイバーの製造方法及びセルロースナノファイバー
JP7458802B2 (ja) * 2020-01-31 2024-04-01 ユニ・チャーム株式会社 カルボキシル化セルロースナノファイバー化用パルプ繊維を製造する方法、及びカルボキシル化セルロースナノファイバー化用パルプ繊維
DE102020002445A1 (de) 2020-04-23 2021-10-28 Messer Austria Gmbh Verfahren und Vorrichtung zur Herstellung von gebleichtem Zellstoff
DE102020002446A1 (de) 2020-04-23 2021-10-28 Messer Austria Gmbh Verfahren und Vorrichtung zur Weißlaugenoxidation
JP2023020704A (ja) * 2021-07-30 2023-02-09 ユニ・チャーム株式会社 使用済み吸収性物品の前処理方法及び前処理装置

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0216881A (ja) 1988-07-05 1990-01-19 Sony Corp スーパーインポーズ装置
US6238516B1 (en) * 1991-02-14 2001-05-29 Dana L. Watson System and method for cleaning, processing, and recycling materials
JP3378204B2 (ja) * 1998-09-16 2003-02-17 武志 長 使用済み紙おむつの使用材料の再生処理方法
JP3641690B2 (ja) * 2001-12-26 2005-04-27 関西ティー・エル・オー株式会社 セルロースミクロフィブリルを用いた高強度材料
US7713422B2 (en) 2004-09-07 2010-05-11 K.I. System Co., Ltd. Black liquor treatment method
JP4958097B2 (ja) 2006-07-19 2012-06-20 国立大学法人京都大学 ナノファイバーシート及びその製造方法並びに繊維強化複合材料
WO2009012555A1 (en) * 2007-07-24 2009-01-29 Langner Herbert Gunther Joachi Method and apparatus for separating waste products from cellulose fibres in a paper recycling process
JP5329279B2 (ja) 2009-03-30 2013-10-30 日本製紙株式会社 セルロースナノファイバーの製造方法
JP5544747B2 (ja) 2009-04-21 2014-07-09 王子ホールディングス株式会社 微細繊維状セルロースの製造方法
WO2011088889A1 (en) * 2010-01-19 2011-07-28 Södra Skogsägarna Ekonomisk Förening Process for production of oxidised cellulose pulp
US9586244B2 (en) 2010-05-01 2017-03-07 Red Bag Solutions System and method for processing waste material
JP6094285B2 (ja) * 2013-03-14 2017-03-15 王子ホールディングス株式会社 吸収体用基材
JP6300892B2 (ja) * 2013-04-10 2018-03-28 ユニ・チャーム株式会社 使用済み衛生用品からパルプ繊維を回収して得られる再生パルプ
KR20160065880A (ko) * 2013-10-02 2016-06-09 도레이 카부시키가이샤 열 교환 소자 및 열 교환기
JP6038001B2 (ja) * 2013-10-30 2016-12-07 ユニ・チャーム株式会社 使用済み衛生用品からリサイクルパルプを製造する方法
JP6199243B2 (ja) * 2014-06-12 2017-09-20 ユニ・チャーム株式会社 使用済み衛生用品からリサイクルパルプを製造する方法
JP6646924B2 (ja) * 2014-09-22 2020-02-14 ユニ・チャーム株式会社 使用済み衛生用品からパルプ繊維を回収する方法およびその方法により得られる再生パルプ
JP6203158B2 (ja) 2014-10-15 2017-09-27 ユニ・チャーム株式会社 使用済み衛生用品からリサイクルパルプを製造する方法
JP6161669B2 (ja) * 2014-12-26 2017-07-12 ユニ・チャーム株式会社 使用済み吸収性物品のリサイクル方法
US20170166662A1 (en) * 2015-07-22 2017-06-15 Glucan Biorenewables, Llc High purity cellulose compositions and production methods

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Publication number Publication date
US11987932B2 (en) 2024-05-21
US20200131702A1 (en) 2020-04-30
EP3626882A1 (en) 2020-03-25
US20230160142A1 (en) 2023-05-25
EP3626882B1 (en) 2025-04-23
EP3626882A4 (en) 2020-05-13
JP2019005733A (ja) 2019-01-17
WO2019003655A1 (ja) 2019-01-03
CN110770394A (zh) 2020-02-07
CN110770394B (zh) 2022-10-25

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