BR8200431A - Processo para a producao de um composto de celulose soluvel em alcali - Google Patents
Processo para a producao de um composto de celulose soluvel em alcaliInfo
- Publication number
- BR8200431A BR8200431A BR8200431A BR8200431A BR8200431A BR 8200431 A BR8200431 A BR 8200431A BR 8200431 A BR8200431 A BR 8200431A BR 8200431 A BR8200431 A BR 8200431A BR 8200431 A BR8200431 A BR 8200431A
- Authority
- BR
- Brazil
- Prior art keywords
- cellulose
- urea
- soluble cellulose
- production
- alkali soluble
- 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
- 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)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Artificial Filaments (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI810226A FI62318C (fi) | 1981-01-27 | 1981-01-27 | Foerfarande foer framstaellning av ett alkaliloesligt cellulosaderivat |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8200431A true BR8200431A (pt) | 1982-11-30 |
Family
ID=8514079
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8200431A BR8200431A (pt) | 1981-01-27 | 1982-01-26 | Processo para a producao de um composto de celulose soluvel em alcali |
Country Status (13)
Country | Link |
---|---|
US (1) | US4404369A (pt) |
EP (1) | EP0057105B1 (pt) |
JP (1) | JPS57143301A (pt) |
AT (1) | ATE16937T1 (pt) |
BR (1) | BR8200431A (pt) |
CA (1) | CA1177073A (pt) |
DD (1) | DD201908A5 (pt) |
DE (1) | DE3267856D1 (pt) |
ES (1) | ES8302028A1 (pt) |
FI (1) | FI62318C (pt) |
MX (1) | MX162622A (pt) |
NO (1) | NO156794C (pt) |
SU (1) | SU1306478A3 (pt) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI64602C (fi) * | 1981-12-30 | 1983-12-12 | Neste Oy | Foerfarande foer framstaellning av loesliga cellulosaderivater |
FI64603C (fi) * | 1981-12-30 | 1983-12-12 | Neste Oy | Foerfarande foer utfaellning av cellulosaderivat |
FI64605C (fi) * | 1982-03-30 | 1983-12-12 | Neste Oy | Foerfarande foer behandling av fibrer av cellulosaderivat |
FI67561C (fi) * | 1982-12-08 | 1985-04-10 | Neste Oy | Foerfarande foer upploesning av cellulosakarbamat |
FI66624C (fi) * | 1983-11-02 | 1984-11-12 | Neste Oy | Foerfarande foer framstaellning av cellulosakarbamatfibrer eller -filmer |
FI67562C (fi) * | 1984-03-12 | 1985-04-10 | Neste Oy | Foerfarande foer framstaellning av cellulosakarbamat |
FI69852C (fi) * | 1984-09-27 | 1986-05-26 | Neste Oy | Cykliskt foerfarande foer framstaellning av en alkaliloesning av cellulosakarbamat foer utfaellning av karbamatet och foeraotervinning av kemikalierna |
FI69853C (fi) * | 1984-09-27 | 1986-05-26 | Neste Oy | Cykliskt foerfarande foer framstaellning av en alkaliloesning av cellulosakarbamat foer utfaellning av karbamatet och foeraotervinning av kemikalierna |
US4756755A (en) * | 1985-06-14 | 1988-07-12 | Harding Jr Norman T | Rodent repellent liquids |
US4789006A (en) * | 1987-03-13 | 1988-12-06 | Teepak, Inc. | Cellulose aminomethanate sausage casings |
US4762564A (en) * | 1987-03-13 | 1988-08-09 | Teepak, Inc. | Reinforced cellulose aminomethanate |
US4777249A (en) * | 1987-03-13 | 1988-10-11 | Teepak, Inc. | Crosslinked cellulose aminomethanate |
US5215125A (en) * | 1987-03-13 | 1993-06-01 | Teepak, Inc. | Cellulose aminomethanate sausage casings |
US4999425A (en) * | 1989-06-12 | 1991-03-12 | Teepak, Inc. | Cellulose aminomethanate by ion-exchange extraction |
US4997933A (en) * | 1989-06-12 | 1991-03-05 | Teepak, Inc. | Cellulose aminomethanate by acid neutralization |
US4997934A (en) * | 1989-06-12 | 1991-03-05 | Teepak, Inc. | Cellulose aminomethanate by weight loss monitoring |
US5229506A (en) * | 1989-06-12 | 1993-07-20 | Teepak, Inc. | Preparation of cellulose aminomethanate |
DE4443547C1 (de) * | 1994-12-07 | 1996-05-09 | Fraunhofer Ges Forschung | Verfahren zur Herstellung einer Cellulosecarbamatlösung |
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 |
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 |
DE19810740A1 (de) * | 1998-03-13 | 1999-09-16 | Rhodia Acetow Ag | Verfahren zur Dosierung eines Ammoniak/Zusatzstoff-Systems in einen Feststoff und Dosiervorrichtung |
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 |
KR100364508B1 (ko) * | 2000-09-21 | 2002-12-12 | (주)이앤텍 | 아민계 바이오폴리머 및 그의 제조방법 |
MXPA04007256A (es) * | 2002-01-29 | 2005-03-31 | Valtion Teknillinen Tutkimusje | Metodo para fabricar carbamato de celulosa. |
DE102004007617B4 (de) * | 2004-02-17 | 2007-02-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Herstellung eines Vliesstoffes, Vliesstoff und dessen Verwendung |
CN1282773C (zh) | 2005-05-30 | 2006-11-01 | 武汉大学 | 二步凝固浴法制备再生纤维素纤维的方法 |
DE102005029793B4 (de) * | 2005-06-27 | 2007-04-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vliesstoffe, Verfahren zu deren Herstellung sowie deren Verwendung |
CN100427508C (zh) * | 2005-10-27 | 2008-10-22 | 东华大学 | 利用超临界二氧化碳制备纤维素氨基甲酸酯的方法 |
WO2007121609A1 (fr) | 2006-04-21 | 2007-11-01 | Jiangsu Long-Ma Green Fibers Co., Ltd. | Utilisation d'une solution aqueuse d'hydroxyde de sodium et de sulfo-urée dans la production de produits cellulosiques à l'échelle pilote |
CN100516326C (zh) * | 2007-08-20 | 2009-07-22 | 中国科学院新疆理化技术研究所 | 纤维素氨基甲酸酯纤维的制备方法 |
DE102008018743A1 (de) | 2008-04-14 | 2009-10-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Cellulosecarbamat-Spinnlösung, Cellulosecarbamatfaser sowie Verfahren zu deren Herstellung und Verwendungszwecke |
DE102008018746A1 (de) * | 2008-04-14 | 2009-10-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Cellulosecarbamat-Spinnlösung, Verfahren zur Herstellung eines Cellulosecarbamat-Vliesstoffes, Cellulosecarbamat-Vliesstoff sowie Verwendungszwecke |
DE102008018745A1 (de) * | 2008-04-14 | 2009-10-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Cellulosecarbamat-Spinnlösung, Cellulosecarbamat-Blasfolie sowie Verfahren zu deren Herstellung und Verwendungsmöglichkeiten |
AT509621B1 (de) | 2010-03-23 | 2012-04-15 | Univ Innsbruck | Verfahren zur herstellung eines stickstoffenthaltenden polysaccharids |
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 |
CN102718875B (zh) * | 2012-06-07 | 2016-07-06 | 李连兵 | 一种蜂窝陶瓷粘结剂的生产方法 |
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 |
FI128164B (en) | 2018-05-22 | 2019-11-29 | Andritz Oy | A process for the production of cellulose carbamate |
JP7212887B2 (ja) * | 2019-05-08 | 2023-01-26 | 株式会社日本触媒 | ポリα-1,3-グルカンの尿素水溶液分散体、ならびにポリα-1,3-グルカンカルバメート、ポリα-1,3-グルカンカルバメートのDMSO溶液及びポリα-1,3-グルカンカルバメートフィルム |
FI129441B (en) | 2019-11-20 | 2022-02-28 | Andritz Oy | PROCEDURE FOR THE PREPARATION OF CELLULOSACARBAMATE |
FI129395B (en) | 2020-04-06 | 2022-01-31 | Andritz Oy | PROCESS FOR THE PREPARATION OF CELLULOSACARBAMATE |
JP7213926B2 (ja) * | 2020-10-26 | 2023-01-27 | 大王製紙株式会社 | 繊維状セルロースの製造方法及び繊維状セルロース複合樹脂の製造方法 |
FI20215213A1 (en) * | 2021-02-26 | 2022-08-27 | Infinited Fiber Company Oy | Process for preparing cellulose carbamate |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1173336A (en) * | 1908-05-20 | 1916-02-29 | K P Mcelroy | Plastics and methods of making same. |
US1771461A (en) * | 1923-05-25 | 1930-07-29 | Lilienfeld Leon | Cellulose solutions and process for making same |
US2007950A (en) * | 1929-11-28 | 1935-07-09 | Dreyfus Henry | Manufacture of cellulose derivatives |
US2073052A (en) * | 1934-11-26 | 1937-03-09 | Dreyfus Henry | Manufacture of cellulose derivatives and in plastic products, etc. |
US2129708A (en) * | 1937-07-01 | 1938-09-13 | Du Pont | Urea cellulose solutions |
US2134825A (en) * | 1937-08-30 | 1938-11-01 | Du Pont | Chemical process |
US2145273A (en) * | 1938-01-29 | 1939-01-31 | Dow Chemical Co | Preparation of cellulose ethers |
US2294925A (en) * | 1939-03-29 | 1942-09-08 | Clemmy O Miller | Manufacture of reactive forms of cellulose and the like |
US2268564A (en) * | 1940-08-04 | 1942-01-06 | North American Rayon Corp | Process of producing cellulose derivatives |
US4124758A (en) * | 1977-08-29 | 1978-11-07 | Texaco Development Corporation | Aminated hydroxyalkyl cellulose |
-
1981
- 1981-01-27 FI FI810226A patent/FI62318C/fi not_active IP Right Cessation
-
1982
- 1982-01-20 US US06/341,133 patent/US4404369A/en not_active Expired - Lifetime
- 1982-01-26 BR BR8200431A patent/BR8200431A/pt unknown
- 1982-01-26 NO NO820226A patent/NO156794C/no unknown
- 1982-01-26 SU SU823381944A patent/SU1306478A3/ru active
- 1982-01-26 CA CA000394900A patent/CA1177073A/en not_active Expired
- 1982-01-26 ES ES509070A patent/ES8302028A1/es not_active Expired
- 1982-01-26 DD DD82236977A patent/DD201908A5/de not_active IP Right Cessation
- 1982-01-27 EP EP82300411A patent/EP0057105B1/en not_active Expired
- 1982-01-27 DE DE8282300411T patent/DE3267856D1/de not_active Expired
- 1982-01-27 AT AT82300411T patent/ATE16937T1/de not_active IP Right Cessation
- 1982-01-27 JP JP57011462A patent/JPS57143301A/ja active Granted
- 1982-01-27 MX MX191171A patent/MX162622A/es unknown
Also Published As
Publication number | Publication date |
---|---|
ATE16937T1 (de) | 1985-12-15 |
JPS6258601B2 (pt) | 1987-12-07 |
ES509070A0 (es) | 1983-01-01 |
US4404369A (en) | 1983-09-13 |
EP0057105B1 (en) | 1985-12-11 |
MX162622A (es) | 1991-06-06 |
FI62318B (fi) | 1982-08-31 |
CA1177073A (en) | 1984-10-30 |
NO820226L (no) | 1982-07-28 |
ES8302028A1 (es) | 1983-01-01 |
DD201908A5 (de) | 1983-08-17 |
EP0057105A2 (en) | 1982-08-04 |
EP0057105A3 (en) | 1982-08-18 |
FI62318C (fi) | 1982-12-10 |
NO156794B (no) | 1987-08-17 |
DE3267856D1 (en) | 1986-01-23 |
SU1306478A3 (ru) | 1987-04-23 |
JPS57143301A (en) | 1982-09-04 |
NO156794C (no) | 1987-11-25 |
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