AU7051401A - Method and device for treating cellulose with urea and ammonia - Google Patents
Method and device for treating cellulose with urea and ammoniaInfo
- 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
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)
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)
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 |
-
2000
- 2000-05-15 DE DE2000123753 patent/DE10023753A1/de not_active Ceased
-
2001
- 2001-05-09 WO PCT/EP2001/005271 patent/WO2001087985A1/de active Application Filing
- 2001-05-09 AU AU70514/01A patent/AU7051401A/en not_active Abandoned
- 2001-05-09 CN CNB018095887A patent/CN1179978C/zh not_active Expired - Fee Related
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 |