FI67561C - Foerfarande foer upploesning av cellulosakarbamat - Google Patents
Foerfarande foer upploesning av cellulosakarbamat Download PDFInfo
- Publication number
- FI67561C FI67561C FI824215A FI824215A FI67561C FI 67561 C FI67561 C FI 67561C FI 824215 A FI824215 A FI 824215A FI 824215 A FI824215 A FI 824215A FI 67561 C FI67561 C FI 67561C
- Authority
- FI
- Finland
- Prior art keywords
- urea
- solution
- cellulose
- dissolution
- carbamate
- Prior art date
Links
- 229920002678 cellulose Polymers 0.000 claims description 31
- 239000001913 cellulose Substances 0.000 claims description 31
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims description 29
- 239000004202 carbamide Substances 0.000 claims description 25
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 24
- 238000004090 dissolution Methods 0.000 claims description 19
- 239000003513 alkali Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 239000000835 fiber Substances 0.000 claims description 4
- 239000012670 alkaline solution Substances 0.000 claims 1
- 239000007900 aqueous suspension Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 description 28
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 238000007792 addition Methods 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 5
- XLJMAIOERFSOGZ-UHFFFAOYSA-N anhydrous cyanic acid Natural products OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 5
- OWIKHYCFFJSOEH-UHFFFAOYSA-N Isocyanic acid Chemical compound N=C=O OWIKHYCFFJSOEH-UHFFFAOYSA-N 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 238000009987 spinning 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
- 229920000875 Dissolving pulp Polymers 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-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
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- -1 cellulose carbamate Chemical class 0.000 description 2
- 150000001875 compounds Chemical class 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
- 150000003839 salts Chemical class 0.000 description 2
- 239000008137 solubility enhancer Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 150000003751 zinc Chemical class 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- 238000001321 HNCO Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000546 pharmaceutical excipient Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000012991 xanthate Substances 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)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Engineering & Computer Science (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)
Priority Applications (16)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI824215A FI67561C (fi) | 1982-12-08 | 1982-12-08 | Foerfarande foer upploesning av cellulosakarbamat |
| AT0408183A AT383354B (de) | 1982-12-08 | 1983-11-21 | Verfahren zur loesung von cellulosecarbamat |
| GB08331105A GB2131436B (en) | 1982-12-08 | 1983-11-22 | Process for the alkali dissolution of cellulose carbamate |
| IN1465/CAL/83A IN159663B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-12-08 | 1983-11-29 | |
| DE19833343156 DE3343156A1 (de) | 1982-12-08 | 1983-11-29 | Verfahren zum loesen von cellulosecarbamat |
| US06/556,332 US4526620A (en) | 1982-12-08 | 1983-11-30 | Cellulose carbamate solutions |
| DD83257523A DD214135A5 (de) | 1982-12-08 | 1983-12-05 | Verfahren zur loesung von cellulosecarbamat |
| RO83112759A RO88667A2 (ro) | 1982-12-08 | 1983-12-06 | Procedeu de preparare a unei solutii alcaline |
| IT8324048A IT1212846B (it) | 1982-12-08 | 1983-12-06 | Procedimento per la dissoluzione di carbammato di cellulosa. |
| BR8306734A BR8306734A (pt) | 1982-12-08 | 1983-12-07 | Processo para aperfeicoar a solubilidade de carbamato de celulose em alcali |
| SU833683247A SU1436889A3 (ru) | 1982-12-08 | 1983-12-07 | Способ получени растворов карбамата целлюлозы |
| CA000442700A CA1215802A (en) | 1982-12-08 | 1983-12-07 | Procedure for dissolving cellulose carbamate |
| SE8306744A SE459179B (sv) | 1982-12-08 | 1983-12-07 | Foerfarande foer upploesning av cellulosakarbamat |
| NO834501A NO158258C (no) | 1982-12-08 | 1983-12-07 | Fremgangsmaate for forbedring av alkaliopploeseligheten av cellulosekarbamat. |
| JP58232217A JPS59115334A (ja) | 1982-12-08 | 1983-12-08 | セルロ−ズカルバメ−トの溶解方法 |
| FR8319684A FR2537587B1 (fr) | 1982-12-08 | 1983-12-08 | Procede pour dissoudre le carbamate de cellulose |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI824215 | 1982-12-08 | ||
| FI824215A FI67561C (fi) | 1982-12-08 | 1982-12-08 | Foerfarande foer upploesning av cellulosakarbamat |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI824215A0 FI824215A0 (fi) | 1982-12-08 |
| FI824215L FI824215L (fi) | 1984-06-09 |
| FI67561B FI67561B (fi) | 1984-12-31 |
| FI67561C true FI67561C (fi) | 1985-04-10 |
Family
ID=8516425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI824215A FI67561C (fi) | 1982-12-08 | 1982-12-08 | Foerfarande foer upploesning av cellulosakarbamat |
Country Status (16)
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 |
| FI69851C (fi) * | 1984-09-27 | 1986-05-26 | Neste Oy | Foerfarande foer utfaellning 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 |
| 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 |
| US4789006A (en) * | 1987-03-13 | 1988-12-06 | Teepak, Inc. | Cellulose aminomethanate sausage casings |
| US5215125A (en) * | 1987-03-13 | 1993-06-01 | Teepak, Inc. | Cellulose aminomethanate sausage casings |
| US4934920A (en) * | 1987-06-17 | 1990-06-19 | Mitsubishi Denki Kabushiki Kaisha | Apparatus for producing semiconductor device |
| US4997933A (en) * | 1989-06-12 | 1991-03-05 | Teepak, Inc. | Cellulose aminomethanate by acid neutralization |
| US4999425A (en) * | 1989-06-12 | 1991-03-12 | Teepak, Inc. | Cellulose aminomethanate by ion-exchange extraction |
| US5229506A (en) * | 1989-06-12 | 1993-07-20 | Teepak, Inc. | Preparation of cellulose aminomethanate |
| US4997934A (en) * | 1989-06-12 | 1991-03-05 | Teepak, Inc. | Cellulose aminomethanate by weight loss monitoring |
| 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 |
| EP3609924B1 (en) | 2017-05-14 | 2021-12-29 | 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 IN IN1465/CAL/83A patent/IN159663B/en unknown
- 1983-11-29 DE DE19833343156 patent/DE3343156A1/de active Granted
- 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 RO RO83112759A patent/RO88667A2/ro unknown
- 1983-12-06 IT IT8324048A patent/IT1212846B/it active
- 1983-12-07 SU SU833683247A patent/SU1436889A3/ru active
- 1983-12-07 NO NO834501A patent/NO158258C/no 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 SE SE8306744A patent/SE459179B/sv not_active IP Right Cessation
- 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 |
|---|---|
| NO158258B (no) | 1988-05-02 |
| IT8324048A0 (it) | 1983-12-06 |
| JPH0316965B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-03-06 |
| NO158258C (no) | 1988-08-10 |
| BR8306734A (pt) | 1984-07-17 |
| DD214135A5 (de) | 1984-10-03 |
| GB2131436B (en) | 1986-05-14 |
| IN159663B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-05-30 |
| FR2537587B1 (fr) | 1988-08-26 |
| NO834501L (no) | 1984-06-12 |
| FI67561B (fi) | 1984-12-31 |
| AT383354B (de) | 1987-06-25 |
| CA1215802A (en) | 1986-12-30 |
| SE8306744L (sv) | 1984-06-09 |
| SE8306744D0 (sv) | 1983-12-07 |
| FI824215A0 (fi) | 1982-12-08 |
| FI824215L (fi) | 1984-06-09 |
| GB2131436A (en) | 1984-06-20 |
| GB8331105D0 (en) | 1983-12-29 |
| IT1212846B (it) | 1989-11-30 |
| DE3343156C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-06-25 |
| JPS59115334A (ja) | 1984-07-03 |
| RO88667A2 (ro) | 1986-02-28 |
| SE459179B (sv) | 1989-06-12 |
| US4526620A (en) | 1985-07-02 |
| ATA408183A (de) | 1986-11-15 |
| SU1436889A3 (ru) | 1988-11-07 |
| DE3343156A1 (de) | 1984-06-14 |
| FR2537587A1 (fr) | 1984-06-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FI67561C (fi) | Foerfarande foer upploesning av cellulosakarbamat | |
| FI62318C (fi) | Foerfarande foer framstaellning av ett alkaliloesligt cellulosaderivat | |
| FI66624B (fi) | Foerfarande foer framstaellning av cellulosakarbamatfibrer eller -filmer | |
| EP0097685B1 (en) | Procedure for precipitating cellulose carbamate | |
| EP0103618B1 (en) | Procedure for treating cellulose derivative fibres | |
| FI64602C (fi) | Foerfarande foer framstaellning av loesliga cellulosaderivater | |
| US4252766A (en) | Process for the preparation of formed bodies of regenerated cellulose from solutions of cellulose derivatives in dimethylsulphoxide | |
| CN1318072A (zh) | 生产氨基甲酸纤维素的方法 | |
| PT842131E (pt) | Metodo para preparacao de oligometilenoureia | |
| US2858319A (en) | Derivatives of imidazolidinone and pyrimidinone | |
| US3141873A (en) | Preparation of lignosulfonate resins | |
| US4923979A (en) | Cellulose carbamate products of lowered carbamate content | |
| FI61033C (fi) | Foerfarande foer framstaellning av alkaliloeslig cellulosafoerening | |
| GB1224455A (en) | A process for producing a high wet modulus viscose rayon | |
| US3299060A (en) | Method for producing stable salts of dichloroisocyanuric acid | |
| SU1351947A1 (ru) | Способ получени раствора целлюлозы | |
| CA1161222A (en) | Fibers of high fluid holding capacity | |
| CH603723A5 (en) | Amines fixed on active supports |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: NESTE OY |