AU7051401A - Method and device for treating cellulose with urea and ammonia - Google Patents

Method and device for treating cellulose with urea and ammonia

Info

Publication number
AU7051401A
AU7051401A AU70514/01A AU7051401A AU7051401A AU 7051401 A AU7051401 A AU 7051401A AU 70514/01 A AU70514/01 A AU 70514/01A AU 7051401 A AU7051401 A AU 7051401A AU 7051401 A AU7051401 A AU 7051401A
Authority
AU
Australia
Prior art keywords
urea
ammonia
treating cellulose
cellulose
treating
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
AU70514/01A
Other languages
English (en)
Inventor
Reinhard Wolf
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
ZiAG Plant Engineering GmbH
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 ZiAG Plant Engineering GmbH filed Critical ZiAG Plant Engineering GmbH
Publication of AU7051401A publication Critical patent/AU7051401A/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
AU70514/01A 2000-05-15 2001-05-09 Method and device for treating cellulose with urea and ammonia Abandoned AU7051401A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10023753 2000-05-15
DE2000123753 DE10023753A1 (de) 2000-05-15 2000-05-15 Verfahren und Vorrichtung zur Behandlung von Zellstoff mit Harnstoff und Ammoniak
PCT/EP2001/005271 WO2001087985A1 (de) 2000-05-15 2001-05-09 Verfahren und vorrichtung zur behandlung von zellstoff mit harnstoff und ammoniak

Publications (1)

Publication Number Publication Date
AU7051401A true AU7051401A (en) 2001-11-26

Family

ID=7642109

Family Applications (1)

Application Number Title Priority Date Filing Date
AU70514/01A Abandoned AU7051401A (en) 2000-05-15 2001-05-09 Method and device for treating cellulose with urea and ammonia

Country Status (4)

Country Link
CN (1) CN1179978C (de)
AU (1) AU7051401A (de)
DE (1) DE10023753A1 (de)
WO (1) WO2001087985A1 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI62318C (fi) * 1981-01-27 1982-12-10 Neste Oy Foerfarande foer framstaellning av ett alkaliloesligt cellulosaderivat
US5037663A (en) * 1981-10-14 1991-08-06 Colorado State University Research Foundation Process for increasing the reactivity of cellulose-containing materials
DE19628277C2 (de) * 1996-07-12 1998-07-09 Rhodia Ag Rhone Poulenc Verfahren zur Aktivierung eines Cellulose und Harnstoff enthaltenden Gemisches, aktiviertes Cellulose und Harnstoff enthaltendes Gemisch und Verwendung des aktivierten Gemisches zur Herstellung von Cellulosecarbamat
DE19835688A1 (de) * 1998-08-07 2000-02-10 Piesteritz Stickstoff Verfahren zur Herstellung von Cellulosecarbamat

Also Published As

Publication number Publication date
CN1429236A (zh) 2003-07-09
CN1179978C (zh) 2004-12-15
DE10023753A1 (de) 2001-11-29
WO2001087985A1 (de) 2001-11-22

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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