JP2021515114A - ミクロフィブリル化セルロースを含む組成物を製造する方法 - Google Patents
ミクロフィブリル化セルロースを含む組成物を製造する方法 Download PDFInfo
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Images
Classifications
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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
- D21C9/001—Modification of pulp properties
- D21C9/007—Modification of pulp properties by mechanical or physical means
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B16/02—Cellulosic materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
- C08B15/08—Fractionation of cellulose, e.g. separation of cellulose crystallites
-
- 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
-
- 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
-
- 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
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- 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
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- 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
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B12/00—Cements not provided for in groups C04B7/00 - C04B11/00
- C04B12/04—Alkali metal or ammonium silicate cements ; Alkyl silicate cements; Silica sol cements; Soluble silicate cements
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Ceramic Engineering (AREA)
- Biochemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
第1の態様によれば、本発明は組成物を製造する方法を開示し、その方法は、アルカリ金属ケイ酸塩の存在下で繊維をフィブリル化してMFCを形成し、それによりMFC及びケイ酸塩混合物が形成されることを含む。アルカリ金属ケイ酸塩は、好ましくは、そのフィブリル化の前又は最中に繊維懸濁液に添加される。
本発明によれば、セルロース繊維はフィブリル化されてミクロフィブリル化セルロースを形成し、そのフィブリル化はアルカリ金属ケイ酸塩の存在下で行われる。
本発明に従って製造されたMFC含有組成物(サンプル2〜6)の耐脱水性を参照MFC組成物(サンプル1及びサンプル7)と比較する一連の試験が行われた。参照サンプル1は、水ガラスを添加せずに、100重量%のクラフト(kraf)繊維から製造されたMFCである。参照サンプル7は、クラフトファイバーと水ガラスから製造されたMFCの混合物であり、MFCと水ガラスは精製後に混合されている(後混合)。参照サンプル2〜6は、クラフト繊維が水ガラスの存在下でフィブリル化された、本発明による組成物である。
本発明の組成物の水分保持値(WRV)を調査するために、別の一連の試験が行われた。
Claims (13)
- 繊維をフィブリル化してミクロフィブリル化セルロース(MFC)を形成することを含み、そのフィブリル化は、アルカリ金属ケイ酸塩の存在下で行われ、それにより、MFC及びケイ酸塩混合物が形成される、組成物を製造する方法。
- アルカリ金属ケイ酸塩がケイ酸ナトリウムである、請求項1に記載の方法。
- フィブリル化前又はフィブリル化中に繊維をアルカリ金属ケイ酸塩と混合するステップをさらに含み、アルカリ金属ケイ酸塩と混合されてフィブリル化される繊維が、15〜80、好ましくは25〜70のSR値を有する、請求項1〜2のいずれか一項に記載の方法。
- アルカリ金属ケイ酸塩が、繊維の全固形分に基づいて1〜99重量%、好ましくは1〜90重量%、最も好ましくは1〜80重量%の量で存在する、請求項1〜3のいずれか一項に記載の方法。
- 形成されたMFC及びケイ酸塩混合物を少なくとも3重量%、好ましくは少なくとも5重量%、又は少なくとも10重量%の固形分まで脱水するステップをさらに含む、請求項1から4のいずれか一項に記載の方法。
- 初期pHが5を超える、好ましくは6を超える、又は7を超える、請求項1〜5のいずれか一項に記載の方法。
- 初期pHが1〜5の範囲である、請求項1〜5のいずれか一項に記載の方法。
- フィブリル化中に顔料が存在する、請求項1〜7のいずれか一項に記載の方法。
- 酸性媒体がフィブリル化後に組成物に添加される、請求項1〜8のいずれか一項に記載の方法。
- 請求項1〜9のいずれか一項に従って製造された組成物。
- 紙又は板紙の製造における、請求項10に記載の組成物の使用。
- セメント製造における請求項10に記載の組成物の使用。
- 複合材料における請求項10に記載の組成物の使用。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE1850231A SE543549C2 (en) | 2018-03-02 | 2018-03-02 | Method for manufacturing a composition comprising microfibrillated cellulose |
SE1850231-0 | 2018-03-02 | ||
PCT/IB2019/051288 WO2019166912A1 (en) | 2018-03-02 | 2019-02-18 | Method for manufacturing a composition comprising microfibrillated cellulose |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021515114A true JP2021515114A (ja) | 2021-06-17 |
JP7356993B2 JP7356993B2 (ja) | 2023-10-05 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2020545119A Active JP7356993B2 (ja) | 2018-03-02 | 2019-02-18 | ミクロフィブリル化セルロースを含む組成物を製造する方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US11643776B2 (ja) |
EP (1) | EP3759275A1 (ja) |
JP (1) | JP7356993B2 (ja) |
CN (1) | CN111788347B (ja) |
BR (1) | BR112020017828A2 (ja) |
SE (1) | SE543549C2 (ja) |
WO (1) | WO2019166912A1 (ja) |
Families Citing this family (2)
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SE542671C2 (en) * | 2017-07-05 | 2020-06-23 | Stora Enso Oyj | Dosing of nanocellulose suspension in gel phase |
MX2023002583A (es) * | 2020-09-11 | 2023-03-13 | Fiberlean Tech Ltd | Composiciones de relleno que comprenden celulosa microfibrilada y materiales compuestos inorganicos particulados microporosos para aplicaciones de papel y carton con mejores propiedades mecanicas. |
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- 2019-02-18 BR BR112020017828-4A patent/BR112020017828A2/pt active Search and Examination
- 2019-02-18 EP EP19712023.1A patent/EP3759275A1/en not_active Withdrawn
- 2019-02-18 JP JP2020545119A patent/JP7356993B2/ja active Active
- 2019-02-18 CN CN201980016299.0A patent/CN111788347B/zh active Active
- 2019-02-18 US US16/977,159 patent/US11643776B2/en active Active
- 2019-02-18 WO PCT/IB2019/051288 patent/WO2019166912A1/en active Application Filing
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JP7356993B2 (ja) | 2023-10-05 |
CN111788347A (zh) | 2020-10-16 |
EP3759275A1 (en) | 2021-01-06 |
SE543549C2 (en) | 2021-03-23 |
SE1850231A1 (en) | 2019-09-03 |
BR112020017828A2 (pt) | 2020-12-29 |
US20210062418A1 (en) | 2021-03-04 |
WO2019166912A1 (en) | 2019-09-06 |
US11643776B2 (en) | 2023-05-09 |
CN111788347B (zh) | 2022-12-06 |
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