TR199900025T2 - Selülozkarbamatin elde edilmesi - Google Patents
Selülozkarbamatin elde edilmesiInfo
- Publication number
- TR199900025T2 TR199900025T2 TR1999/00025T TR9900025T TR199900025T2 TR 199900025 T2 TR199900025 T2 TR 199900025T2 TR 1999/00025 T TR1999/00025 T TR 1999/00025T TR 9900025 T TR9900025 T TR 9900025T TR 199900025 T2 TR199900025 T2 TR 199900025T2
- Authority
- TR
- Turkey
- Prior art keywords
- cellulose
- urea
- carbamate
- pressure
- organic reaction
- Prior art date
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)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
Selülozkarbamatin elde edilmesi sirasinda içinde; a) Selülozun, ürenin varliginda sivi amonyakla atmosfer basincina karsilik arttirilmis bir çikis basinci ve en azindan yaklasik 25 C'lik bir sicaklikta temasa geçirildigi, bu sirada sivi amonyagin miktarinin en azindan selülozun üst yüzeyinin nemlendirilmesi için yeterli oldugu, b) selüloz/üre/sivi amonyak sistemi için hazir bulunan hacimlerin basincin en azindan 5 bar kadar düsmesi durumunda infilak seklinde büyütüldügü ve aktiflenmis bir selüloz/üre karisiminin elde edildigi; c) aktiflenmis selüloz/üre karisiminin asal organik reaksiyon tasiyicisina geçirildigi ve selülozkarbamatin elde edilmesi için 110 C-150 C arasindaki sicakliklara isitildigi, d) organik reaksiyon tasiyicisinin ve gerektiginde yer degistirmemis üresinin elde edilen selülozkarbamattan uzaklastirildigi usul tarif edilmektedir.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19628277A DE19628277C2 (de) | 1996-07-12 | 1996-07-12 | Verfahren zur Aktivierung eines Cellulose und Harnstoff enthaltenden Gemisches, aktiviertes Cellulose und Harnstoff enthaltendes Gemisch und Verwendung des aktivierten Gemisches zur Herstellung von Cellulosecarbamat |
Publications (1)
Publication Number | Publication Date |
---|---|
TR199900025T2 true TR199900025T2 (tr) | 1999-04-21 |
Family
ID=7799739
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TR1999/00025T TR199900025T2 (tr) | 1996-07-12 | 1997-07-08 | Selülozkarbamatin elde edilmesi |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0910585A1 (tr) |
JP (1) | JP2000505135A (tr) |
AU (1) | AU3443497A (tr) |
BR (1) | BR9710297A (tr) |
CA (1) | CA2260782A1 (tr) |
CZ (1) | CZ4199A3 (tr) |
DE (1) | DE19628277C2 (tr) |
PL (1) | PL331046A1 (tr) |
TR (1) | TR199900025T2 (tr) |
WO (1) | WO1998002464A1 (tr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19715617A1 (de) * | 1997-04-15 | 1998-10-22 | Zimmer Ag | Verfahren für die modifizierte Herstellung von Cellulosecarbamat |
DE19742692A1 (de) * | 1997-09-26 | 1999-04-01 | Rhodia Acetow Ag | Verfahren zur Aktivierung von Polysacchariden |
MXPA00008875A (es) * | 1998-03-13 | 2002-04-24 | Rhodia Acetow Gmbh | Aparato proceso y reactor a presion para el tratamiento de solidos con gases liquidos presurizados. |
DE19814137A1 (de) * | 1998-03-30 | 1999-10-14 | Rhodia Acetow Ag | Verfahren zum Austreiben von Ammoniak aus einem aktivierten Polysaccharid |
DE19835688A1 (de) * | 1998-08-07 | 2000-02-10 | Piesteritz Stickstoff | Verfahren zur Herstellung von Cellulosecarbamat |
DE10023753A1 (de) * | 2000-05-15 | 2001-11-29 | Zimmer Ag | Verfahren und Vorrichtung zur Behandlung von Zellstoff mit Harnstoff und Ammoniak |
DE10223172B4 (de) * | 2002-05-24 | 2004-05-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Herstellung von Cellulosecarbamat mittels reaktiver Extrusion und die Verwendung der Verfahrensprodukte zur Herstellung von Formkörpern |
DE10223171A1 (de) * | 2002-05-24 | 2003-12-11 | Zimmer Ag | Verfahren zur Herstellung von Cellulosecarbamat |
JP2019001876A (ja) * | 2017-06-14 | 2019-01-10 | 国立大学法人京都大学 | 微細セルロース繊維、その製造方法、スラリー及び複合体 |
JP7340195B2 (ja) * | 2017-06-14 | 2023-09-07 | 国立大学法人京都大学 | 微細セルロース繊維、その製造方法、スラリー及び複合体 |
JP7088888B2 (ja) * | 2019-08-29 | 2022-06-21 | 大王製紙株式会社 | 繊維状セルロース複合樹脂の製造方法 |
JP7213296B2 (ja) * | 2021-03-31 | 2023-01-26 | 大王製紙株式会社 | 繊維状セルロース含有物、繊維状セルロース複合樹脂、及び繊維状セルロース含有物の製造方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2290888A (en) * | 1932-01-30 | 1942-07-28 | North American Rayon Corp | Cellulose activated by liquid ammonia |
FI62318C (fi) * | 1981-01-27 | 1982-12-10 | Neste Oy | Foerfarande foer framstaellning av ett alkaliloesligt cellulosaderivat |
US4600590A (en) * | 1981-10-14 | 1986-07-15 | Colorado State University Research Foundation | Method for increasing the reactivity and digestibility of cellulose with ammonia |
JPS62236802A (ja) * | 1986-04-08 | 1987-10-16 | Asahi Chem Ind Co Ltd | アルカリ可溶性セルロ−スの製造方法 |
DE4242437C2 (de) * | 1992-12-16 | 1998-08-13 | Zimmer Ag | Verfahren zur Herstellung von Cellulosecarbamat und Verwendung des erhaltenen Cellulosecarbamats zur Bildung einer Lösung für die Herstellung von Celluloseregenerat-Produkten |
DE4329937C1 (de) * | 1993-09-04 | 1994-11-24 | Rhodia Ag Rhone Poulenc | Verfahren zur Behandlung von Cellulose zu deren Aktivierung für nachfolgende chemische Reaktionen |
ES2135221T3 (es) * | 1995-03-25 | 1999-10-16 | Rhodia Acetow Aktiengesellscha | Procedimiento para la activacion de polisacaridos, polisacaridos fabricados segun el mismo y su uso. |
-
1996
- 1996-07-12 DE DE19628277A patent/DE19628277C2/de not_active Expired - Fee Related
-
1997
- 1997-07-08 CA CA002260782A patent/CA2260782A1/en not_active Abandoned
- 1997-07-08 WO PCT/EP1997/003593 patent/WO1998002464A1/de not_active Application Discontinuation
- 1997-07-08 EP EP97930510A patent/EP0910585A1/de not_active Withdrawn
- 1997-07-08 AU AU34434/97A patent/AU3443497A/en not_active Abandoned
- 1997-07-08 BR BR9710297A patent/BR9710297A/pt unknown
- 1997-07-08 JP JP10505577A patent/JP2000505135A/ja active Pending
- 1997-07-08 CZ CZ9941A patent/CZ4199A3/cs unknown
- 1997-07-08 TR TR1999/00025T patent/TR199900025T2/tr unknown
- 1997-07-08 PL PL97331046A patent/PL331046A1/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CZ4199A3 (cs) | 1999-05-12 |
DE19628277C2 (de) | 1998-07-09 |
DE19628277A1 (de) | 1998-01-15 |
BR9710297A (pt) | 1999-08-17 |
EP0910585A1 (de) | 1999-04-28 |
PL331046A1 (en) | 1999-06-21 |
WO1998002464A1 (de) | 1998-01-22 |
JP2000505135A (ja) | 2000-04-25 |
CA2260782A1 (en) | 1998-01-22 |
AU3443497A (en) | 1998-02-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TR199900025T2 (tr) | Selülozkarbamatin elde edilmesi | |
LT2206B (lt) | Karbamido gavimo budas | |
GB9720969D0 (en) | Process | |
NL174548C (nl) | Werkwijze voor het bereiden van ureum door reaktie van ammoniak en kooldioxyde. | |
ES466357A1 (es) | Procedimiento para la obtencion de poliamidas organicas. | |
YU214787A (en) | Process for regenerating liquid solvent, used for removing carbondioxide from gasses, especially from ammonia synthesis gas | |
ES2183596T3 (es) | Procedimiento para la obtencion de carbamato de celulosa. | |
GB1274504A (en) | Improvements in or relating to the synthesis of ammonia | |
IN169678B (tr) | ||
DE3567846D1 (en) | Process for preparing cyanamide | |
JPS5239626A (en) | Separation and recovery process of unreacted material on urea synthesi s | |
ATE69031T1 (de) | Verfahren zur umwandlung von kohlenstoffmonoxid und wasser in wasserstoff und kohlenstoffdioxid. | |
PT71192A (fr) | Procede de preparation de benzoxazolone | |
ES473497A1 (es) | Un procedimiento para separar un contaminante a partir de una mezcla de acido cianurico y un disolvente inerte. | |
EP0127395A3 (en) | Production of diphenylamine and aniline from phenol and ammonia | |
SE7608335L (sv) | Forfarande for kondensering av karbamat i anleggningar for syntes av karbamid | |
EP0249136A3 (en) | Process for producing cyclic ureas | |
ES462561A1 (es) | Un procedimiento para preparar acido cianurico. | |
JPS5484550A (en) | Production of urethane | |
ES449636A1 (es) | Un procedimiento para preparar acido cianurico. | |
ES449637A1 (es) | Un procedimiento para preparar acido cianurico. | |
Kou et al. | Synthetic Zeolites as Catalysts for the Ring Conversion of γ-Butyrolactone into 1-Substituted 2-Pyrrolidinones | |
KR830007531A (ko) | 불활성 가스의 분리법 | |
GB1104710A (en) | Process for making ammonia and urea | |
DK342283A (da) | Fremgangsmaade til fremstilling af 2-alkyl-4-amino-5-aminomethylpyrimidiner |