UY40663A - Celulosa microfibrilada reticulada, composición y método para producir... - Google Patents

Celulosa microfibrilada reticulada, composición y método para producir...

Info

Publication number
UY40663A
UY40663A UY0001040663A UY40663A UY40663A UY 40663 A UY40663 A UY 40663A UY 0001040663 A UY0001040663 A UY 0001040663A UY 40663 A UY40663 A UY 40663A UY 40663 A UY40663 A UY 40663A
Authority
UY
Uruguay
Prior art keywords
mfc
microfibrillated cellulose
citric acid
composition
producing
Prior art date
Application number
UY0001040663A
Other languages
English (en)
Inventor
Papa Spadafora Bruna
Frigini Mai Estevão
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 UY40663A publication Critical patent/UY40663A/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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/14—Carboxylic acids; Derivatives thereof
    • 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
    • C08B15/005—Crosslinking of cellulose derivatives
    • 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
    • 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
    • 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
    • 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

Landscapes

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

Abstract

CELULOSA MICROFIBRILADA RETICULADA, COMPOSICIÓN Y MÉTODO PARA PRODUCIR CELULOSA MICROFIBRILADA RETICULADA: La presente invención se refiere a una celulosa microfibrilada (MFC) reticulada y a su método de producción que comprende los siguientes pasos: proveer una suspensión de MFC con un contenido sólido entre 1-25 % en peso; agregar una solución acuosa de compuesto cítrico a una concentración de entre 1-40 g de compuesto cítrico/kg de agua a la suspensión de MFC del paso anterior para obtener un índice final de ácido cítrico (g)/MFC (g) (base seca, p/p) entre 1-40% (a); mezclar el MFC y la solución acuosa de ácido cítrico a una temperatura de 60- 95 ºC para obtener un MFC reticulado.
UY0001040663A 2023-03-03 2024-03-04 Celulosa microfibrilada reticulada, composición y método para producir... UY40663A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US202363449707P 2023-03-03 2023-03-03

Publications (1)

Publication Number Publication Date
UY40663A true UY40663A (es) 2024-08-30

Family

ID=92673845

Family Applications (1)

Application Number Title Priority Date Filing Date
UY0001040663A UY40663A (es) 2023-03-03 2024-03-04 Celulosa microfibrilada reticulada, composición y método para producir...

Country Status (3)

Country Link
AR (1) AR132050A1 (es)
UY (1) UY40663A (es)
WO (1) WO2024182872A1 (es)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101952508B (zh) * 2008-03-31 2013-01-23 日本制纸株式会社 制纸用添加剂和含有其的纸
CN104010522A (zh) * 2011-12-09 2014-08-27 Fmc有限公司 共磨碎稳定剂组合物
US9550871B2 (en) * 2012-11-09 2017-01-24 Wisconsin Alumni Research Foundation Sustainable hybrid organic aerogels and methods and uses thereof
US9458297B2 (en) * 2014-06-30 2016-10-04 Weyerhaeuser Nr Company Modified fiber, methods, and systems
CA2995478C (en) * 2015-09-17 2023-06-27 Stora Enso Oyj A method for producing a film having good barrier properties
SE541680C2 (en) * 2017-12-21 2019-11-26 Stora Enso Oyj A method for preparing a fibrous material of crosslinked phosphorylated microfibrillated cellulose by spinning and heat treatment
EP3581591A1 (en) * 2018-06-13 2019-12-18 UPM-Kymmene Corporation A nanofibrillar cellulose product and a method for manufacturing thereof
SE544668C2 (en) * 2019-11-04 2022-10-11 Stora Enso Oyj A surface coated cellulosic film

Also Published As

Publication number Publication date
WO2024182872A1 (en) 2024-09-12
AR132050A1 (es) 2025-05-21

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