AU2003273895A1 - Method for the production of cellulose carbamate in an inert organic reaction medium - Google Patents

Method for the production of cellulose carbamate in an inert organic reaction medium

Info

Publication number
AU2003273895A1
AU2003273895A1 AU2003273895A AU2003273895A AU2003273895A1 AU 2003273895 A1 AU2003273895 A1 AU 2003273895A1 AU 2003273895 A AU2003273895 A AU 2003273895A AU 2003273895 A AU2003273895 A AU 2003273895A AU 2003273895 A1 AU2003273895 A1 AU 2003273895A1
Authority
AU
Australia
Prior art keywords
production
reaction medium
inert organic
organic reaction
cellulose carbamate
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU2003273895A
Inventor
Hans-Peter Fink
Heinz-Jurgen Gensrich
Jurgen Kunze
Fritz Loth
Eckehart Schaaf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LL Plant Engineering AG
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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 Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Publication of AU2003273895A1 publication Critical patent/AU2003273895A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
AU2003273895A 2002-11-18 2003-09-17 Method for the production of cellulose carbamate in an inert organic reaction medium Abandoned AU2003273895A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE2002153672 DE10253672B3 (en) 2002-11-18 2002-11-18 Production of cellulose carbamate for making cellulose molding, e.g. fibers, film or granules, involves in situ-activation of cellulose in water-immiscible solvent with aqueous urea and sodium hydroxide solution, removing water and reaction
DE10253672.4 2002-11-18
PCT/EP2003/010335 WO2004046198A1 (en) 2002-11-18 2003-09-17 Method for the production of cellulose carbamate in an inert organic reaction medium

Publications (1)

Publication Number Publication Date
AU2003273895A1 true AU2003273895A1 (en) 2004-06-15

Family

ID=30128884

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003273895A Abandoned AU2003273895A1 (en) 2002-11-18 2003-09-17 Method for the production of cellulose carbamate in an inert organic reaction medium

Country Status (4)

Country Link
CN (1) CN100506849C (en)
AU (1) AU2003273895A1 (en)
DE (1) DE10253672B3 (en)
WO (1) WO2004046198A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101037479B (en) * 2007-04-13 2010-05-19 武汉大学 Method for dissolving cellulos
AT509621B1 (en) 2010-03-23 2012-04-15 Univ Innsbruck METHOD FOR PRODUCING AN NITROGEN-CONTAINING POLYSACCHARIDE
CN107501415A (en) * 2017-08-25 2017-12-22 孙飞勇 The preparation method of cellulose carbamate
EP3728332A1 (en) 2017-12-21 2020-10-28 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Method for producing cellulose carbamate, cellulose carbamate and also mouldings produced therefrom
CN108930071B (en) * 2018-08-10 2021-12-31 高密云鹰新材料科技有限公司 Production process for preparing regenerated cellulose short fiber by carbamate method
PL447933A1 (en) * 2024-03-05 2024-10-07 Politechnika Lubelska Method of producing fibrous microcellulose

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19635473A1 (en) * 1996-08-31 1998-03-05 Zimmer Ag Preparation of cellulose carbamate for regenerated cellulose@ fibre production
DE19715617A1 (en) * 1997-04-15 1998-10-22 Zimmer Ag Process for the modified production of cellulose carbamate
DE19940393C1 (en) * 1999-08-25 2001-03-22 Fraunhofer Ges Forschung Process for the preparation of alkali-soluble cellulose carbamate
DE10040341C1 (en) * 2000-08-17 2001-12-13 Zimmer Ag Production of cellulose carbamate by reacting alkali- or ammonia-treated cellulose with urea, comprises adding the urea continuously or in at least two stages to increase the urea conversion

Also Published As

Publication number Publication date
DE10253672B3 (en) 2004-02-12
WO2004046198A1 (en) 2004-06-03
CN1701080A (en) 2005-11-23
CN100506849C (en) 2009-07-01

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase