SE540082C2 - Method of producing a carboxyalkylated NFC product, a carboxyalkylated NFC product and use thereof - Google Patents

Method of producing a carboxyalkylated NFC product, a carboxyalkylated NFC product and use thereof Download PDF

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Publication number
SE540082C2
SE540082C2 SE1651068A SE1651068A SE540082C2 SE 540082 C2 SE540082 C2 SE 540082C2 SE 1651068 A SE1651068 A SE 1651068A SE 1651068 A SE1651068 A SE 1651068A SE 540082 C2 SE540082 C2 SE 540082C2
Authority
SE
Sweden
Prior art keywords
fibres
nfc
product
water
solution
Prior art date
Application number
SE1651068A
Other languages
English (en)
Other versions
SE1651068A1 (sv
Inventor
Naderi Ali
Original Assignee
Innventia Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Innventia Ab filed Critical Innventia Ab
Priority to SE1651068A priority Critical patent/SE540082C2/sv
Priority to PCT/SE2017/050673 priority patent/WO2018013034A1/en
Priority to US16/316,758 priority patent/US20190169797A1/en
Priority to CA3030954A priority patent/CA3030954A1/en
Priority to BR112019000456-4A priority patent/BR112019000456A2/pt
Priority to JP2019501535A priority patent/JP2019528332A/ja
Priority to EP17828058.2A priority patent/EP3485087A4/en
Publication of SE1651068A1 publication Critical patent/SE1651068A1/sv
Publication of SE540082C2 publication Critical patent/SE540082C2/sv

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Classifications

    • 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
    • D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
    • D21H11/18—Highly hydrated, swollen or fibrillatable fibres
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B11/00—Preparation of cellulose ethers
    • C08B11/02—Alkyl or cycloalkyl ethers
    • C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
    • C08B11/10—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals
    • C08B11/12—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals substituted with carboxylic radicals, e.g. carboxymethylcellulose [CMC]
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/02—Cellulose; Modified cellulose
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/08—Cellulose derivatives
    • C08L1/26—Cellulose ethers
    • C08L1/28—Alkyl ethers
    • C08L1/286—Alkyl ethers substituted with acid radicals, e.g. carboxymethyl cellulose [CMC]
    • 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
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • 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
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/004—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic compounds
    • 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
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/005—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives organic compounds
    • 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
    • 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
    • D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp
    • 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
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/06—Paper forming aids

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Wood Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Artificial Filaments (AREA)
  • Paper (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Claims (7)

1. Förfarande för framställning av en nanofibrillerad ce||u|osa(NFC)-produktinnefattande stegen att: i) tillhandahålla cellulosafibrer dispergerade i vatten; ii) lösningsmedelsväxla vatten i fibrerna till ett organiskt lösningsmedel; iii) impregnera fibrerna med en lösning innefattande en halogenerad alifatisksyra; iv) värmebehandla de impregnerade fibrerna vid en temperatur som överstiger50°C I en alkalisk lösning innefattande ett organiskt lösningsmedel för attkarboxialkylera fibrerna; v) tvätta fibrerna; vi) omvandla karboxylgrupperna till deras alkalimetallmotjonsform; vii) eventuellt filtrera fibrerna; viii) dispergera fibrerna i vatten; ix) mekaniskt sönderdela fibrerna för att tillhandahålla NFC-produkten; kännetecknat av att den halogenerade alifatiska syran har fler än 2 kolatomer.
2. Förfarandet enligt krav 1, varvid den halogenerade alifatiska syran är 2-klorpropionsyra.
3. Förfarandet enligt krav 1 eller 2, varvid den alkaliska lösningen i steg iv) erhållsmedelst natriumhydroxid.
4. Förfarandet enligt något av kraven 1 till 3, varvid det organiska lösningsmedlet i denalkaliska lösningen i steg iv) innefattar åtminstone en av metanol, etanol ochisopropanol eller valfri blandning därav.
5. Förfarandet enligt något av de föregående kraven, varvid tvättningen i steg v) utförs itre steg innefattande åtminstone ett steg med tvätt i vatten och åtminstone ett stegmed tvätt i en lösning innefattande en organisk syra, lämpligen ättiksyra.
6. Förfarandet enligt något av de föregående kraven, varvid alkalimetallmotjonsformenav karboxylgruppen består av natrium.
7. Förfarandet enligt krav 6, varvid den totala laddningen för fibrerna och/eller NFC- produkten är från 600-700 peq/g, fastställt medelst konduktometrisk titrering. 10. 11. 12. 13.14. Förfarandet enligt krav 6 eller 7, varvid graden av substitution för fibrerna är frånomkring 0,1 till 0,15. Förfarandet enligt något av de föregående kraven, varvid fibrer i NFC-produkten eftersteg ix) har en fiberdiameter om omkring 3 till 100 nm. Förfarandet enligt något av de föregående kraven, varvid torrinnehållet för NFC-produkten erhållen i steg ix), efter steg ix) är från 0,05 till 10 viktprocent, lämpligenfrån 0,1 till 6 viktprocent och föredraget från 1-3 viktprocent. Förfarandet enligt något av de föregående kraven, varvid förfarandet vidareinnefattar att: x) torka NFC-produkten för att tillhandahålla en koncentrerad eller torkad NFC-produkt.Förfarandet enligt krav 11, varvid förfarandet vidare innefattar att:xi) åter dispergera den torkade NFC-produkten i en vattenhaltig lösning. NFC-produkt erhållen medelst förfarandet enligt något av kraven 1-12. Användning av NFC-produkten enligt krav 13 i kosmetiska produkter, farmaceutiskaprodukter, matprodukter, pappersprodukter, kompositmaterial, beläggningar,hygien-/absorberande produkter, filmer, emulgerande/dispergerande medel,borrslam och för att förstärka reaktiviteten för cellulosa vid framställningen av regenererad cellulosa eller cellulosaderivat eller i reologiska modifieringsämnen.
SE1651068A 2016-07-15 2016-07-15 Method of producing a carboxyalkylated NFC product, a carboxyalkylated NFC product and use thereof SE540082C2 (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE1651068A SE540082C2 (sv) 2016-07-15 2016-07-15 Method of producing a carboxyalkylated NFC product, a carboxyalkylated NFC product and use thereof
PCT/SE2017/050673 WO2018013034A1 (en) 2016-07-15 2017-06-20 Method of producing a carboxyalkylated nfc product, a carboxyalkylated nfc product and use thereof
US16/316,758 US20190169797A1 (en) 2016-07-15 2017-06-20 Method of producing a carboxyalkylated nfc product, a carboxyalkylated nfc product and use thereof
CA3030954A CA3030954A1 (en) 2016-07-15 2017-06-20 Method of producing a carboxyalkylated nfc product, a carboxyalkylated nfc product and use thereof
BR112019000456-4A BR112019000456A2 (pt) 2016-07-15 2017-06-20 método para a produção de um produto de nfc carboxialquilado, um produto de nfc carboxialquilado e uso do mesmo
JP2019501535A JP2019528332A (ja) 2016-07-15 2017-06-20 カルボキシアルキル化されたｎｆｃ製品の製造方法、カルボキシアルキル化製品及びそれらの使用
EP17828058.2A EP3485087A4 (en) 2016-07-15 2017-06-20 PROCESS FOR PRODUCING CARBOXYALKYLATED NFC PRODUCT, CARBOXYALKYLATED NFC PRODUCT AND USE THEREOF

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1651068A SE540082C2 (sv) 2016-07-15 2016-07-15 Method of producing a carboxyalkylated NFC product, a carboxyalkylated NFC product and use thereof

Publications (2)

Publication Number Publication Date
SE1651068A1 SE1651068A1 (sv) 2018-01-16
SE540082C2 true SE540082C2 (sv) 2018-03-20

Family

ID=60953263

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1651068A SE540082C2 (sv) 2016-07-15 2016-07-15 Method of producing a carboxyalkylated NFC product, a carboxyalkylated NFC product and use thereof

Country Status (7)

Country Link
US (1) US20190169797A1 (sv)
EP (1) EP3485087A4 (sv)
JP (1) JP2019528332A (sv)
BR (1) BR112019000456A2 (sv)
CA (1) CA3030954A1 (sv)
SE (1) SE540082C2 (sv)
WO (1) WO2018013034A1 (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019109133A1 (en) * 2017-12-04 2019-06-13 Nanollose Limited Methods for producing a viscose dope from microbial cellulose
SE543676C2 (en) * 2019-07-03 2021-05-25 Stora Enso Oyj Moldable cellulose fiber based material
CN117836484A (zh) * 2021-09-08 2024-04-05 菲博林科技有限公司 用于干燥的微纤化纤维素的再悬浮的可移动分散系统和方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6471824B1 (en) * 1998-12-29 2002-10-29 Weyerhaeuser Company Carboxylated cellulosic fibers
US6602994B1 (en) * 1999-02-10 2003-08-05 Hercules Incorporated Derivatized microfibrillar polysaccharide
JP5622412B2 (ja) * 2010-03-19 2014-11-12 国立大学法人京都大学 成形材料及びその製造方法
FI127301B (sv) * 2011-02-10 2018-03-15 Upm Kymmene Corp Förfarande för behandling av nanocellulosa och med förfarandet erhållen produkt
SE1250595A1 (sv) * 2012-06-07 2013-12-08 Mikrofibrillerad cellulosa med hög torrsubstanshalt och tillverkning därav
EP3095815B1 (en) * 2014-01-17 2018-11-28 Nippon Paper Industries Co., Ltd. Dry solids of anionically modified cellulose nanofibers and processes for preparing them
CN106810613A (zh) * 2017-01-02 2017-06-09 胡云 一种疏水改性纳米纤维素的制备方法

Also Published As

Publication number Publication date
CA3030954A1 (en) 2018-01-18
JP2019528332A (ja) 2019-10-10
EP3485087A1 (en) 2019-05-22
SE1651068A1 (sv) 2018-01-16
WO2018013034A1 (en) 2018-01-18
EP3485087A4 (en) 2020-03-11
US20190169797A1 (en) 2019-06-06
BR112019000456A2 (pt) 2019-04-30

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