AR132193A1 - Celulosa microfibrilada carboximetilada (cm-mfc) de baja viscosidad - Google Patents

Celulosa microfibrilada carboximetilada (cm-mfc) de baja viscosidad

Info

Publication number
AR132193A1
AR132193A1 ARP240100699A ARP240100699A AR132193A1 AR 132193 A1 AR132193 A1 AR 132193A1 AR P240100699 A ARP240100699 A AR P240100699A AR P240100699 A ARP240100699 A AR P240100699A AR 132193 A1 AR132193 A1 AR 132193A1
Authority
AR
Argentina
Prior art keywords
mfc
low viscosity
microfibrillated cellulose
viscosity
carboxymethylated microfibrillated
Prior art date
Application number
ARP240100699A
Other languages
English (en)
Inventor
Spadafora Bruna Papa
Mai Estevo Frigini
Romeiro Ramires Helosa Ogushi
Original Assignee
Suzano Sa
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 Suzano Sa filed Critical Suzano Sa
Publication of AR132193A1 publication Critical patent/AR132193A1/es

Links

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
    • D21H11/20—Chemically or biochemically modified fibres
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • C08B1/02—Rendering cellulose suitable for esterification
    • 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
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B11/00—Preparation of cellulose ethers
    • C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
    • 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
    • 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
    • D21H15/00—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
    • D21H15/02—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration
    • 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
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments

Landscapes

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

Abstract

La presente invención se refiere a una CM-MFC de baja viscosidad que comprende un grado de sustitución de 0,2 - 0,29, preferentemente con una viscosidad entre 6700 - 9900 cP con un husillo R4 a 100 rpm al 1% p/p y una viscosidad entre 65 - 85 cP con un husillo R4 a 10 rpm al 0.8% p/p y un método para producir una CM-MFC de baja viscosidad, que comprende: desfibrar la CMC resultante con un disco giratorio y un rotor estacionario con una dispersión de agua del 4 - 10% p/p para obtener un CM-MFC en una medida en que el diámetro medio de la fibra de CM-MFC esté entre 0,8 mm y 8 mm.
ARP240100699A 2023-03-22 2024-03-22 Celulosa microfibrilada carboximetilada (cm-mfc) de baja viscosidad AR132193A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US202363453874P 2023-03-22 2023-03-22

Publications (1)

Publication Number Publication Date
AR132193A1 true AR132193A1 (es) 2025-06-04

Family

ID=92840597

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP240100699A AR132193A1 (es) 2023-03-22 2024-03-22 Celulosa microfibrilada carboximetilada (cm-mfc) de baja viscosidad

Country Status (10)

Country Link
EP (1) EP4684059A1 (es)
JP (1) JP2026508704A (es)
KR (1) KR20250164784A (es)
CN (1) CN121175463A (es)
AR (1) AR132193A1 (es)
AU (1) AU2024240223A1 (es)
CL (1) CL2025002848A1 (es)
CO (1) CO2025014330A2 (es)
UY (1) UY40680A (es)
WO (1) WO2024192492A1 (es)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6602994B1 (en) * 1999-02-10 2003-08-05 Hercules Incorporated Derivatized microfibrillar polysaccharide
FI20135773A7 (fi) * 2013-07-16 2015-01-17 Stora Enso Oyj Menetelmä hapetetun tai mikrofibrilloidun selluloosan valmistamiseksi
SE539366C2 (en) * 2014-12-18 2017-08-15 Stora Enso Oyj Process for the production of paper or board coated with a coating comprising microfibrillated cellulose and a water retention agent
US10205176B2 (en) * 2015-05-21 2019-02-12 Nissan Motor Co., Ltd. Cell module for solid oxide fuel cell, and solid oxide fuel cell using same
US20170166662A1 (en) * 2015-07-22 2017-06-15 Glucan Biorenewables, Llc High purity cellulose compositions and production methods
US11512432B2 (en) * 2018-03-30 2022-11-29 Nippon Paper Industries Co., Ltd. Oxidized microfibrillated cellulose fibers and composition thereof
CN110577672A (zh) * 2018-06-07 2019-12-17 国家纳米科学中心 可调控亲疏水性纳米纤维素薄膜、及其制备方法和应用

Also Published As

Publication number Publication date
CO2025014330A2 (es) 2025-10-20
WO2024192492A1 (en) 2024-09-26
JP2026508704A (ja) 2026-03-11
EP4684059A1 (en) 2026-01-28
AU2024240223A1 (en) 2025-10-16
UY40680A (es) 2024-10-31
KR20250164784A (ko) 2025-11-25
CL2025002848A1 (es) 2026-01-16
CN121175463A (zh) 2025-12-19

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