DD214135A5 - Verfahren zur loesung von cellulosecarbamat - Google Patents
Verfahren zur loesung von cellulosecarbamat Download PDFInfo
- Publication number
- DD214135A5 DD214135A5 DD83257523A DD25752383A DD214135A5 DD 214135 A5 DD214135 A5 DD 214135A5 DD 83257523 A DD83257523 A DD 83257523A DD 25752383 A DD25752383 A DD 25752383A DD 214135 A5 DD214135 A5 DD 214135A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- solution
- urea
- cellulose
- alkali
- viscosity
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 229920002678 cellulose Polymers 0.000 claims abstract description 36
- 239000001913 cellulose Substances 0.000 claims abstract description 36
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000004202 carbamide Substances 0.000 claims abstract description 26
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims abstract description 19
- 239000003513 alkali Substances 0.000 claims abstract description 16
- 238000004090 dissolution Methods 0.000 claims description 12
- 239000000835 fiber Substances 0.000 abstract description 5
- 239000007900 aqueous suspension Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 33
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 8
- 238000007792 addition Methods 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 5
- OWIKHYCFFJSOEH-UHFFFAOYSA-N Isocyanic acid Chemical compound N=C=O OWIKHYCFFJSOEH-UHFFFAOYSA-N 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- XLJMAIOERFSOGZ-UHFFFAOYSA-N anhydrous cyanic acid Natural products OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000011701 zinc Substances 0.000 description 4
- 229910052725 zinc Inorganic materials 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 210000002700 urine Anatomy 0.000 description 2
- 150000003751 zinc Chemical class 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 101710091681 Methanogen homoaconitase small subunit Proteins 0.000 description 1
- 101710140240 Probable methanogen homoaconitase large subunit Proteins 0.000 description 1
- 241000711981 Sais Species 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- FIQKRKMICFAHCT-UHFFFAOYSA-N urea;zinc Chemical compound [Zn].NC(N)=O FIQKRKMICFAHCT-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B16/00—Regeneration of cellulose
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/21—Urea; Derivatives thereof, e.g. biuret
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Biochemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Artificial Filaments (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI824215A FI67561C (fi) | 1982-12-08 | 1982-12-08 | Foerfarande foer upploesning av cellulosakarbamat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD214135A5 true DD214135A5 (de) | 1984-10-03 |
Family
ID=8516425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD83257523A DD214135A5 (de) | 1982-12-08 | 1983-12-05 | Verfahren zur loesung von cellulosecarbamat |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US4526620A (OSRAM) |
| JP (1) | JPS59115334A (OSRAM) |
| AT (1) | AT383354B (OSRAM) |
| BR (1) | BR8306734A (OSRAM) |
| CA (1) | CA1215802A (OSRAM) |
| DD (1) | DD214135A5 (OSRAM) |
| DE (1) | DE3343156A1 (OSRAM) |
| FI (1) | FI67561C (OSRAM) |
| FR (1) | FR2537587B1 (OSRAM) |
| GB (1) | GB2131436B (OSRAM) |
| IN (1) | IN159663B (OSRAM) |
| IT (1) | IT1212846B (OSRAM) |
| NO (1) | NO158258C (OSRAM) |
| RO (1) | RO88667A2 (OSRAM) |
| SE (1) | SE459179B (OSRAM) |
| SU (1) | SU1436889A3 (OSRAM) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| FI69851C (fi) * | 1984-09-27 | 1986-05-26 | Neste Oy | Foerfarande foer utfaellning av cellulosakarbamat |
| US4756755A (en) * | 1985-06-14 | 1988-07-12 | Harding Jr Norman T | Rodent repellent liquids |
| US5215125A (en) * | 1987-03-13 | 1993-06-01 | Teepak, Inc. | Cellulose aminomethanate sausage casings |
| 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 |
| US4934920A (en) * | 1987-06-17 | 1990-06-19 | Mitsubishi Denki Kabushiki Kaisha | Apparatus for producing semiconductor device |
| 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 |
| 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 |
| DE19757958A1 (de) | 1997-12-24 | 1999-07-01 | Lurgi Zimmer Ag | Verfahren zur Herstellung einer Cellulosecarbamatlösung |
| DE19835688A1 (de) * | 1998-08-07 | 2000-02-10 | Piesteritz Stickstoff | Verfahren zur Herstellung von Cellulosecarbamat |
| CN1112396C (zh) * | 2000-04-17 | 2003-06-25 | 武汉大学 | 纤维素膜制备方法 |
| DE10223174A1 (de) * | 2002-05-24 | 2003-12-11 | Fraunhofer Ges Forschung | Verfahren zur Herstellung von Cellulosecarbamatformkörpern |
| 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 |
| FI118689B (fi) * | 2005-11-23 | 2008-02-15 | Valtion Teknillinen | Menetelmä selluloosakarbamaattiliuoksen valmistamiseksi |
| US20200299416A1 (en) * | 2017-03-15 | 2020-09-24 | Treetotextile Ab | Regenerated cellulosic fibres spun from an aqueous alkaline spindope |
| US11884751B2 (en) | 2017-05-14 | 2024-01-30 | Washington State University | Environmentally friendly cellulose waste recycling |
| IT201900002479A1 (it) * | 2019-02-20 | 2020-08-20 | Montefibre Mae Tech S R L | Processo di produzione di derivati della cellulosa |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB217166A (en) * | 1923-06-05 | 1924-09-29 | Leon Lilienfeld | Cellulose solutions and process for their production |
| 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 |
| US3447939A (en) * | 1966-09-02 | 1969-06-03 | Eastman Kodak Co | Compounds dissolved in cyclic amine oxides |
| US4278790A (en) * | 1978-07-31 | 1981-07-14 | Hopkins Agricultural Chemical Co. | Novel cellulose solutions |
| FI62318C (fi) * | 1981-01-27 | 1982-12-10 | Neste Oy | Foerfarande foer framstaellning av ett alkaliloesligt cellulosaderivat |
-
1982
- 1982-12-08 FI FI824215A patent/FI67561C/fi not_active IP Right Cessation
-
1983
- 1983-11-21 AT AT0408183A patent/AT383354B/de not_active IP Right Cessation
- 1983-11-22 GB GB08331105A patent/GB2131436B/en not_active Expired
- 1983-11-29 DE DE19833343156 patent/DE3343156A1/de active Granted
- 1983-11-29 IN IN1465/CAL/83A patent/IN159663B/en unknown
- 1983-11-30 US US06/556,332 patent/US4526620A/en not_active Expired - Fee Related
- 1983-12-05 DD DD83257523A patent/DD214135A5/de not_active IP Right Cessation
- 1983-12-06 IT IT8324048A patent/IT1212846B/it active
- 1983-12-06 RO RO83112759A patent/RO88667A2/ro unknown
- 1983-12-07 BR BR8306734A patent/BR8306734A/pt not_active IP Right Cessation
- 1983-12-07 CA CA000442700A patent/CA1215802A/en not_active Expired
- 1983-12-07 SU SU833683247A patent/SU1436889A3/ru active
- 1983-12-07 SE SE8306744A patent/SE459179B/sv not_active IP Right Cessation
- 1983-12-07 NO NO834501A patent/NO158258C/no unknown
- 1983-12-08 FR FR8319684A patent/FR2537587B1/fr not_active Expired
- 1983-12-08 JP JP58232217A patent/JPS59115334A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2537587A1 (fr) | 1984-06-15 |
| NO834501L (no) | 1984-06-12 |
| SE8306744L (sv) | 1984-06-09 |
| JPS59115334A (ja) | 1984-07-03 |
| NO158258B (no) | 1988-05-02 |
| NO158258C (no) | 1988-08-10 |
| IT1212846B (it) | 1989-11-30 |
| FR2537587B1 (fr) | 1988-08-26 |
| RO88667A2 (ro) | 1986-02-28 |
| SE459179B (sv) | 1989-06-12 |
| FI67561B (fi) | 1984-12-31 |
| AT383354B (de) | 1987-06-25 |
| IN159663B (OSRAM) | 1987-05-30 |
| GB8331105D0 (en) | 1983-12-29 |
| FI824215A0 (fi) | 1982-12-08 |
| SE8306744D0 (sv) | 1983-12-07 |
| GB2131436A (en) | 1984-06-20 |
| IT8324048A0 (it) | 1983-12-06 |
| US4526620A (en) | 1985-07-02 |
| BR8306734A (pt) | 1984-07-17 |
| CA1215802A (en) | 1986-12-30 |
| FI824215L (fi) | 1984-06-09 |
| SU1436889A3 (ru) | 1988-11-07 |
| GB2131436B (en) | 1986-05-14 |
| DE3343156C2 (OSRAM) | 1987-06-25 |
| ATA408183A (de) | 1986-11-15 |
| JPH0316965B2 (OSRAM) | 1991-03-06 |
| FI67561C (fi) | 1985-04-10 |
| DE3343156A1 (de) | 1984-06-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DD214135A5 (de) | Verfahren zur loesung von cellulosecarbamat | |
| DD211586A5 (de) | Verfahren zum regulieren der nasseigenschaften von zellulosederivatfasern | |
| AT402932B (de) | Celluloseschwamm und verfahren zu dessen herstellung | |
| EP0467008A1 (de) | Lösung von Cellulose in Wasser und N-Methyl-morpholin-N-oxid | |
| DE2311180C3 (de) | Verfahren zur Herstellung flammfester Celluloseregeneratfasern | |
| DE3034660C2 (de) | Verfahren zur Herstellung von quellfähigen Fäden, Fasern und geformten Gebilden aus Acrylpolymeren sowie die dabei erhaltenen Produkte | |
| DE2621166C2 (de) | Verfahren zur Herstellung von Produkten aus regenerierter Zellulose | |
| CH685998A5 (de) | Stabile Form- bzw. Spinnmasse enthaltend Cellulose | |
| DE1277509B (de) | Verfahren zur Herstellung von Faeden aus Viskose und Proteinen, die mit Epichlorhydrin umgesetzt worden sind | |
| DE976274C (de) | Loesungen zur Herstellung von Formkoerpern, besonders von Faeden oder Fasern von Acrylsaeurenitril-Polymerisaten oder Acrylsaeurenitril-Mischpolymerisaten | |
| DE10009471B4 (de) | Verfahren zur Herstellung einer Lösung erhöhter thermischer Stabilität von Cellulose in wässrigem Aminoxid | |
| DE2706032C2 (de) | Verfahren zur Herstellung hydrophiler Acrylfasern | |
| DE2732187A1 (de) | Neue formbare celluloseloesungen und verfahren zu ihrer herstellung | |
| DE1814565C3 (de) | Fäden aus regenerierter Cellulose und Verfahren zu ihrer Herstellung | |
| DE742993C (de) | Mattieren von Cellulosehydrat- oder Cellulosederivattextilgut | |
| DE898655C (de) | Verfahren zur Herstellung von Faeden, Fasern, Filmen oder anderen Verformungsprodukten aus Viscose mit verringerter Quellbarkeit in Wasser sowie verminderter Alkaliloeslichkeit | |
| AT119027B (de) | Verfahren zur Herstellung von künstlichen Fäden, Bändern, Filmen u. dgl. aus Viskose. | |
| DE1158206B (de) | Verfahren zur Herstellung von Faeden oder Stapelfasern aus Cellulosehydrat mit einem hohen Polymerisationsgrad | |
| DE512160C (de) | Verfahren zur Herstellung von Faeden oder Filmen aus Loesungen von AEthern und Estern der Cellulose | |
| DE910107C (de) | Verfahren zur Herstellung von kuenstlichen Gebilden, wie Faeden, Fasern, Baendern oder Filmen, aus Cellulose oder Cellulosederivaten | |
| DE2703072C3 (de) | Verwendung von Polyterephthaloyl- und Polydiphenyläther-'M'-dicarbonsäure-oxalamidrazonen zum Herstellen von Fasern und Folien nach dem Trockenspinnverfahren | |
| DE650485C (de) | Verfahren zur Herstellung von Kunstfaeden | |
| AT331959B (de) | Verfahren zur herstellung flammfester celluloseregeneratfasern | |
| AT111845B (de) | Verfahren zur Herstellung von mattierten und beschwerten Kunstseidefäden aus Zelluloseäthern und Zulluloseestern. | |
| DE290131C (OSRAM) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ENJ | Ceased due to non-payment of renewal fee |