FI20096233A0 - Menetelmä nanofibrilloidun selluloosamassan valmistamiseksi ja massan käyttö paperinvalmistuksessa tai nanofibrilloiduissa selluloosakomponenteissa - Google Patents

Menetelmä nanofibrilloidun selluloosamassan valmistamiseksi ja massan käyttö paperinvalmistuksessa tai nanofibrilloiduissa selluloosakomponenteissa

Info

Publication number
FI20096233A0
FI20096233A0 FI20096233A FI20096233A FI20096233A0 FI 20096233 A0 FI20096233 A0 FI 20096233A0 FI 20096233 A FI20096233 A FI 20096233A FI 20096233 A FI20096233 A FI 20096233A FI 20096233 A0 FI20096233 A0 FI 20096233A0
Authority
FI
Finland
Prior art keywords
pulp
nanofibrillated cellulose
manufacturing
paper making
composites
Prior art date
Application number
FI20096233A
Other languages
English (en)
Swedish (sv)
Other versions
FI123289B (fi
FI20096233A (fi
Inventor
Markus Nuopponen
Taru Suneli
Antti Laukkanen
Jouni Paltakari
Original Assignee
Upm Kymmene Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=41395280&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI20096233(A0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Upm Kymmene Corp filed Critical Upm Kymmene Corp
Priority to FI20096233A priority Critical patent/FI123289B/fi
Publication of FI20096233A0 publication Critical patent/FI20096233A0/fi
Priority to US13/511,956 priority patent/US20130000855A1/en
Priority to PCT/FI2010/050897 priority patent/WO2011064441A1/en
Priority to CN2010800531975A priority patent/CN102686799A/zh
Priority to EP10832694.3A priority patent/EP2504487B1/en
Publication of FI20096233A publication Critical patent/FI20096233A/fi
Application granted granted Critical
Publication of FI123289B publication Critical patent/FI123289B/fi

Links

Classifications

    • 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
    • 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
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20—Methods of refining
    • 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
    • D21H17/42—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups anionic
    • 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
    • D21H21/14—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 characterised by function or properties in or on the paper
    • D21H21/30—Luminescent or fluorescent substances, e.g. for optical bleaching
    • 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
    • D21H21/14—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 characterised by function or properties in or on the paper
    • D21H21/32—Bleaching agents
FI20096233A 2009-11-24 2009-11-24 Menetelmä nanofibrilloidun selluloosamassan valmistamiseksi ja massan käyttö paperinvalmistuksessa tai nanofibrilloiduissa selluloosakomposiiteissa FI123289B (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI20096233A FI123289B (fi) 2009-11-24 2009-11-24 Menetelmä nanofibrilloidun selluloosamassan valmistamiseksi ja massan käyttö paperinvalmistuksessa tai nanofibrilloiduissa selluloosakomposiiteissa
US13/511,956 US20130000855A1 (en) 2009-11-24 2010-11-05 Method for manufacturing nanofibrillated cellulose pulp and use of the pulp in paper manufacturing or in nanofibrillated cellulose composites
PCT/FI2010/050897 WO2011064441A1 (en) 2009-11-24 2010-11-05 Method for manufacturing nanofibrillated cellulose pulp and use of the pulp in paper manufacturing or in nanofibrillated cellulose composites
CN2010800531975A CN102686799A (zh) 2009-11-24 2010-11-05 用于生产纳米原纤化纤维素纸浆的方法及纸浆在造纸或纳米原纤化纤维素复合物中的用途
EP10832694.3A EP2504487B1 (en) 2009-11-24 2010-11-05 Method for manufacturing nanofibrillated cellulose pulp and use of the pulp in paper manufacturing or in nanofibrillated cellulose composites

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20096233 2009-11-24
FI20096233A FI123289B (fi) 2009-11-24 2009-11-24 Menetelmä nanofibrilloidun selluloosamassan valmistamiseksi ja massan käyttö paperinvalmistuksessa tai nanofibrilloiduissa selluloosakomposiiteissa

Publications (3)

Publication Number Publication Date
FI20096233A0 true FI20096233A0 (fi) 2009-11-24
FI20096233A FI20096233A (fi) 2011-05-25
FI123289B FI123289B (fi) 2013-01-31

Family

ID=41395280

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20096233A FI123289B (fi) 2009-11-24 2009-11-24 Menetelmä nanofibrilloidun selluloosamassan valmistamiseksi ja massan käyttö paperinvalmistuksessa tai nanofibrilloiduissa selluloosakomposiiteissa

Country Status (5)

Country Link
US (1) US20130000855A1 (fi)
EP (1) EP2504487B1 (fi)
CN (1) CN102686799A (fi)
FI (1) FI123289B (fi)
WO (1) WO2011064441A1 (fi)

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2710273A1 (en) 2007-12-20 2009-07-09 University Of Tennessee Research Foundation Wood adhesives containing reinforced additives for structural engineering products
FI124724B (fi) * 2009-02-13 2014-12-31 Upm Kymmene Oyj Menetelmä muokatun selluloosan valmistamiseksi
HUE035151T2 (en) 2009-03-30 2018-05-02 Fiberlean Tech Ltd Process for the preparation of nano-fiber cellulose gels
EP2808440B1 (en) 2009-03-30 2019-08-14 FiberLean Technologies Limited Process for the production of nano-fibrillar cellulose suspensions
GB0908401D0 (en) 2009-05-15 2009-06-24 Imerys Minerals Ltd Paper filler composition
PT2386682E (pt) 2010-04-27 2014-05-27 Omya Int Ag Processo para fabricar materiais estruturados, usando géis de celulose nanofibrilares
DK2386683T3 (da) 2010-04-27 2014-06-23 Omya Int Ag Fremgangsmåde til fremstilling af gel-baserede kompositmaterialer
GB201019288D0 (en) 2010-11-15 2010-12-29 Imerys Minerals Ltd Compositions
US9051684B2 (en) 2011-01-21 2015-06-09 Fpinnovations High aspect ratio cellulose nanofilaments and method for their production
EP2678474B1 (en) * 2011-02-24 2017-08-23 Innventia AB Single-step method for production of nano pulp by acceleration and disintegration of raw material
US8835141B2 (en) * 2011-06-09 2014-09-16 The United States Of America As Represented By The Secretary Of Agriculture Methods for integrated conversion of lignocellulosic material to sugars or biofuels and nano-cellulose
FI20115882A0 (fi) * 2011-09-08 2011-09-08 Teknologian Tutkimuskeskus Vtt Oy Menetelmä kuitulangan valmistamiseksi
FI126041B (fi) 2011-09-12 2016-06-15 Stora Enso Oyj Menetelmä retention säätämiseksi ja menetelmässä käytettävä välituote
FI126457B (fi) 2011-11-14 2016-12-15 Upm Kymmene Corp Menetelmä fibrillisellun tuottamiseksi
FI126118B (fi) * 2012-02-10 2016-06-30 Upm Kymmene Corp Selluloosamassan esikäsittelymenetelmä
FI126013B (fi) * 2012-02-13 2016-05-31 Upm Kymmene Corp Menetelmä ja järjestelmä fibrilliselluloosan käsittelemiseksi, sekä fibrilliselluloosamateriaali
GB2502955B (en) * 2012-05-29 2016-07-27 De La Rue Int Ltd A substrate for security documents
CA2876083C (en) 2012-06-15 2021-06-15 University Of Maine System Board Of Trustees Release paper and method of manufacture
FI127817B (fi) * 2012-08-21 2019-03-15 Upm Kymmene Corp Menetelmä paperituotteen valmistamiseksi ja paperituote
FI127526B (fi) * 2012-11-03 2018-08-15 Upm Kymmene Corp Menetelmä nanofibrilliselluloosan valmistamiseksi
SE537517C2 (sv) 2012-12-14 2015-05-26 Stora Enso Oyj Våtlagt arkmaterial innefattande mikrofibrillerad cellulosasamt förfarande för tillverkning därav
FR3003581B1 (fr) 2013-03-20 2015-03-20 Ahlstroem Oy Support fibreux a base de fibres et de nanofibrilles de polysaccharide
ES2583481T3 (es) * 2013-04-29 2016-09-21 Blankophor Gmbh & Co. Kg Uso de celulosa micronizada y agente de blanqueamiento fluorescente para el tratamiento de superficie de materiales celulósicos
US9656914B2 (en) 2013-05-01 2017-05-23 Ecolab Usa Inc. Rheology modifying agents for slurries
FI127014B (fi) 2013-05-15 2017-09-29 Upm Kymmene Corp Menetelmä nanofibrilliselluloosan valmistamiseksi ja paperituotteen valmistamiseksi
FI125942B (fi) 2013-07-26 2016-04-15 Upm Kymmene Corp Nanofibrilliselluloosakoostumuksen modifiointimenetelmä
US10695947B2 (en) 2013-07-31 2020-06-30 University Of Maine System Board Of Trustees Composite building products bound with cellulose nanofibers
US9303360B2 (en) * 2013-08-08 2016-04-05 Ecolab Usa Inc. Use of nanocrystaline cellulose and polymer grafted nanocrystaline cellulose for increasing retention in papermaking process
US9410288B2 (en) 2013-08-08 2016-08-09 Ecolab Usa Inc. Use of nanocrystaline cellulose and polymer grafted nanocrystaline cellulose for increasing retention in papermaking process
US10323169B2 (en) * 2013-09-04 2019-06-18 Halliburton Energy Services, Inc. Wellbore treatment fluids containing nano-carbohydrate based sheets and methods of using the same
FI126042B (fi) * 2014-03-31 2016-06-15 Upm Kymmene Corp Menetelmä nanofibrilliselluloosan valmistamiseksi sekä nanofibrilliseluloosatuote
GB201409047D0 (en) * 2014-05-21 2014-07-02 Cellucomp Ltd Cellulose microfibrils
FI126688B (fi) * 2014-06-30 2017-03-31 Upm Kymmene Corp Menetelmä ja laite nanofibrilliselluloosan laadun tarkkailemiseksi
US9970159B2 (en) * 2014-12-31 2018-05-15 Innovatech Engineering, LLC Manufacture of hydrated nanocellulose sheets for use as a dermatological treatment
AU2016257785B2 (en) 2015-05-01 2019-02-07 Fpinnovations A dry mixed re-dispersible cellulose filament/carrier product and the method of making the same
EP3303404A4 (en) * 2015-06-04 2019-01-23 GL&V Luxembourg S.à.r.l. PROCESS FOR THE PRODUCTION OF CELLULOSENANOFIBERS
EP3362508B1 (en) 2015-10-14 2019-06-26 FiberLean Technologies Limited 3d-formable sheet material
CA3001717A1 (en) 2015-10-15 2017-04-20 Ecolab Usa Inc. Nanocrystalline cellulose and polymer-grafted nanocrystalline cellulose as rheology modifying agents for magnesium oxide and lime slurries
FI130254B (fi) * 2016-02-03 2023-05-11 Kemira Oyj Menetelmä mikrofibrilloidun selluloosan valmistamiseksi ja tuote
SE539833C2 (en) * 2016-04-01 2017-12-12 Stora Enso Oyj Process for production of film comprising microfibrillated cellulose
CN109071346B (zh) * 2016-04-04 2022-06-14 菲博林科技有限公司 用于在天花板、地板和建筑产品中提供增加的强度的组合物和方法
RU2727605C1 (ru) 2016-04-05 2020-07-22 Фиберлин Текнолоджис Лимитед Бумажные и картонные продукты
US11846072B2 (en) 2016-04-05 2023-12-19 Fiberlean Technologies Limited Process of making paper and paperboard products
ES2919328T3 (es) 2016-04-22 2022-07-26 Fiberlean Tech Ltd Fibras que comprenden celulosa microfibrilada y métodos de fabricación de fibras y materiales no tejidos de las mismas
SE539950C2 (en) * 2016-05-20 2018-02-06 Stora Enso Oyj An uv blocking film comprising microfibrillated cellulose, a method for producing said film and use of a composition having uv blocking properties
US10570261B2 (en) 2016-07-01 2020-02-25 Mercer International Inc. Process for making tissue or towel products comprising nanofilaments
US10463205B2 (en) 2016-07-01 2019-11-05 Mercer International Inc. Process for making tissue or towel products comprising nanofilaments
US10724173B2 (en) 2016-07-01 2020-07-28 Mercer International, Inc. Multi-density tissue towel products comprising high-aspect-ratio cellulose filaments
EP3507418A4 (en) * 2016-09-01 2020-03-11 HS Manufacturing Group LLC METHODS OF DERIVING BIOLOGICAL ORIGIN FROM CELLULOSIC SURFACES
EP3516111A4 (en) 2016-09-19 2020-06-03 Mercer International inc. ABSORBENT PAPER PRODUCTS HAVING UNIQUE PHYSICAL RESISTANCE PROPERTIES
SE541755C2 (en) * 2017-03-01 2019-12-10 Stora Enso Oyj Process for production of film comprising microfibrillated cellulose
US10822442B2 (en) 2017-07-17 2020-11-03 Ecolab Usa Inc. Rheology-modifying agents for slurries
US10865317B2 (en) 2017-08-31 2020-12-15 Kimberly-Clark Worldwide, Inc. Low-fluorine compositions with cellulose for generating superhydrophobic surfaces
EP3721010B1 (en) * 2017-12-04 2024-02-14 UPM-Kymmene Corporation A method for manufacturing pulp precursor material for compounding applications and products thereof
WO2019161272A1 (en) 2018-02-15 2019-08-22 North Carolina State University Synthesis of micron and nanoscale carbon spheres and structures using hydrothemal carbonization
US11352747B2 (en) 2018-04-12 2022-06-07 Mercer International Inc. Processes for improving high aspect ratio cellulose filament blends
CA3106586A1 (en) * 2018-07-19 2020-01-23 Kemira Oyj Cellulose composition
FI129352B (fi) * 2019-05-03 2021-12-31 Valmet Technologies Inc Kuituisen massan jauhatuksen valvonta ja ohjaus

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3534912A (en) * 1967-01-11 1970-10-20 Beloit Corp Low speed refining of a papermaking pulp solution
US3591451A (en) * 1969-02-06 1971-07-06 Ethyl Corp Pretreatment of vegetable matter and delignification of the refined matter with chloring dioxide
AU723465B2 (en) * 1996-07-15 2000-08-24 Rhodia Chimie Supplementation of essentially amorphous cellulose nanofibrils with carboxycellulose which has a high degree of substitution
CA2601926C (en) * 2005-02-19 2011-07-19 International Paper Company Pulp and paper having increased brightness
US7638016B2 (en) * 2005-02-19 2009-12-29 International Paper Company Method for treating kraft pulp with optical brighteners after chlorine bleaching to increase brightness
US7914646B2 (en) * 2006-07-21 2011-03-29 Nalco Company Compositions and processes for paper production
BRPI0707255B1 (pt) * 2006-02-08 2017-01-24 Stfi Packforsk Ab método para tratamento de uma polpa química para fabricação de celulose microfibrilada, celulose microfibrilada e uso
WO2007096242A1 (en) * 2006-02-20 2007-08-30 Clariant International Ltd Improved process for the manufacture of paper and board
JP4831570B2 (ja) 2006-03-27 2011-12-07 木村化工機株式会社 機能性粒子含有率の高い機能性セルロース材料及びその製造方法
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
EP2132381A1 (en) * 2007-04-05 2009-12-16 Akzo Nobel N.V. Process for improving optical properties of paper
JP5398180B2 (ja) 2007-06-11 2014-01-29 国立大学法人京都大学 リグニン含有ミクロフィブリル化植物繊維及びその製造方法
CA2705970C (en) * 2007-11-26 2016-05-10 The University Of Tokyo Cellulose nanofiber, production method of same and cellulose nanofiber dispersion
US8298373B2 (en) * 2008-02-07 2012-10-30 University Of New Brunswick Combined process of peroxide bleaching of wood pulps and addition of optical brightening agents
SE0800807L (sv) 2008-04-10 2009-10-11 Stfi Packforsk Ab Nytt förfarande

Also Published As

Publication number Publication date
WO2011064441A1 (en) 2011-06-03
FI123289B (fi) 2013-01-31
EP2504487A4 (en) 2014-01-22
CN102686799A (zh) 2012-09-19
US20130000855A1 (en) 2013-01-03
EP2504487B1 (en) 2016-07-20
EP2504487A1 (en) 2012-10-03
FI20096233A (fi) 2011-05-25

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