ZA202306574B - Continuous dissolution of a cellulose derivative - Google Patents

Continuous dissolution of a cellulose derivative

Info

Publication number
ZA202306574B
ZA202306574B ZA2023/06574A ZA202306574A ZA202306574B ZA 202306574 B ZA202306574 B ZA 202306574B ZA 2023/06574 A ZA2023/06574 A ZA 2023/06574A ZA 202306574 A ZA202306574 A ZA 202306574A ZA 202306574 B ZA202306574 B ZA 202306574B
Authority
ZA
South Africa
Prior art keywords
cellulose carbamate
aqueous phase
solution
cellulose derivative
continuous dissolution
Prior art date
Application number
ZA2023/06574A
Other languages
English (en)
Inventor
Sakari Siren
Ali Harlin
Martin Stjernberg
Original Assignee
Infinited Fiber Company Oy
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=79259348&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA202306574(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Infinited Fiber Company Oy filed Critical Infinited Fiber Company Oy
Publication of ZA202306574B publication Critical patent/ZA202306574B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • 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
    • C08B15/05—Derivatives containing elements other than carbon, hydrogen, oxygen, halogens or sulfur
    • C08B15/06—Derivatives containing elements other than carbon, hydrogen, oxygen, halogens or sulfur containing nitrogen, e.g. carbamates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B3/00—Preparation of cellulose esters of organic acids
    • C08B3/14—Preparation of cellulose esters of organic acids in which the organic acid residue contains substituents, e.g. NH2, Cl
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B3/00—Preparation of cellulose esters of organic acids
    • C08B3/22—Post-esterification treatments, including purification
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
    • C08J3/05—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media from solid polymers
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D1/00—Treatment of filament-forming or like material
    • D01D1/02—Preparation of spinning solutions
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C08J2301/08—Cellulose derivatives
    • C08J2301/10—Esters of organic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Artificial Filaments (AREA)
ZA2023/06574A 2020-12-31 2023-06-26 Continuous dissolution of a cellulose derivative ZA202306574B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20206386A FI20206386A1 (en) 2020-12-31 2020-12-31 Continuous dissolution of cellulose derivatives
PCT/FI2021/050918 WO2022144506A1 (en) 2020-12-31 2021-12-31 Continuous dissolution of a cellulose derivative

Publications (1)

Publication Number Publication Date
ZA202306574B true ZA202306574B (en) 2026-01-28

Family

ID=79259348

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2023/06574A ZA202306574B (en) 2020-12-31 2023-06-26 Continuous dissolution of a cellulose derivative

Country Status (13)

Country Link
US (1) US20240117530A1 (https=)
EP (2) EP4271728B1 (https=)
JP (1) JP2024501697A (https=)
KR (1) KR20230128326A (https=)
CN (1) CN116685624A (https=)
CA (1) CA3203807A1 (https=)
CL (1) CL2023001926A1 (https=)
ES (1) ES3027861T3 (https=)
FI (1) FI20206386A1 (https=)
PL (1) PL4271728T3 (https=)
TW (1) TW202233697A (https=)
WO (1) WO2022144506A1 (https=)
ZA (1) ZA202306574B (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20225011A1 (en) 2022-01-07 2023-07-08 Infinited Fiber Company Oy Cellulose-based textile fibers
EP4650498A1 (de) 2024-05-17 2025-11-19 Aurotec GmbH Flüssigkeitskontaktvorrichtung
EP4650499A1 (de) 2024-05-17 2025-11-19 Aurotec GmbH Aufwickelvorrichtung und aufwickelverfahren

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI67561C (fi) * 1982-12-08 1985-04-10 Neste Oy Foerfarande foer upploesning av cellulosakarbamat
DE19757958A1 (de) * 1997-12-24 1999-07-01 Lurgi Zimmer Ag Verfahren zur Herstellung einer Cellulosecarbamatlösung
DE19835688A1 (de) * 1998-08-07 2000-02-10 Piesteritz Stickstoff Verfahren zur Herstellung von Cellulosecarbamat
DE10036549A1 (de) 1999-07-28 2001-11-22 Rhodia Acetow Gmbh Verfahren zur gezielten Depolymerisation von Polysacchariden sowie eine Mischung aus mindestens einem Polysaccharid, einer Peroxoverbindung und gegebenenfalls einem Derivatisierungsreagenz
FI112869B (fi) 2003-01-08 2004-01-30 Valtion Teknillinen Menetelmä selluloosakarbamaatin valmistamiseksi
PL210865B1 (pl) * 2002-01-29 2012-03-30 Valtion Teknillinen Sposób wytwarzania karbaminianu celulozy
FI112795B (fi) 2002-01-29 2004-01-15 Valtion Teknillinen Menetelmä selluloosakarbamaatin valmistamiseksi
KR100575388B1 (ko) * 2004-12-30 2006-05-03 주식회사 효성 고균질 셀룰로오스 용액 및 이로 부터 제조된 섬유
FI118689B (fi) 2005-11-23 2008-02-15 Valtion Teknillinen Menetelmä selluloosakarbamaattiliuoksen valmistamiseksi
FI20105036A0 (fi) * 2010-01-18 2010-01-18 Valtion Teknillinen Menetelmä karbamaattiselluloosaliuoksen valmistamiseksi
CN102432894B (zh) * 2011-10-17 2013-09-11 武汉大学 一种溶解纤维素氨基甲酸酯的组合溶剂及其使用方法
US10138578B2 (en) * 2013-07-01 2018-11-27 Treetotextile Ab Alkali recycle in cellulose spinning process
SE540079C2 (sv) * 2014-06-27 2018-03-13 Stora Enso Oyj Förfarande för framställning av cellulosakarbamat, cellulosakarbamat samt spinnlösning innefattande cellulosakarbamat
CN104072622B (zh) 2014-07-01 2016-12-07 东华大学 纤维素氨基甲酸酯的制备及其低温溶解纺丝方法
CN106702516A (zh) * 2015-09-17 2017-05-24 宜宾丝丽雅集团有限公司 一种纤维素氨基甲酸酯纺丝原液的生产工艺
EP3231899A1 (en) 2016-04-14 2017-10-18 TreeToTextile AB A method and system for the production of a spinning dope composition
FI129105B (en) * 2017-04-27 2021-07-15 Teknologian Tutkimuskeskus Vtt Oy Treatment procedure for textile-based materials
CN107556494A (zh) 2017-08-25 2018-01-09 孙飞勇 纤维素氨基甲酸酯的溶解方法
CN107759807A (zh) * 2017-11-23 2018-03-06 南充盛达鸿科技有限公司 纤维素甲酸酯的溶解方法
FI20225011A1 (en) * 2022-01-07 2023-07-08 Infinited Fiber Company Oy Cellulose-based textile fibers

Also Published As

Publication number Publication date
US20240117530A1 (en) 2024-04-11
KR20230128326A (ko) 2023-09-04
CN116685624A (zh) 2023-09-01
EP4553103A1 (en) 2025-05-14
EP4271728C0 (en) 2025-04-23
EP4271728A1 (en) 2023-11-08
TW202233697A (zh) 2022-09-01
WO2022144506A1 (en) 2022-07-07
EP4271728B1 (en) 2025-04-23
JP2024501697A (ja) 2024-01-15
PL4271728T3 (pl) 2025-06-23
CA3203807A1 (en) 2022-07-07
CL2023001926A1 (es) 2024-02-09
FI20206386A1 (en) 2022-07-01
ES3027861T3 (en) 2025-06-17

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