SE459179B - Foerfarande foer upploesning av cellulosakarbamat - Google Patents
Foerfarande foer upploesning av cellulosakarbamatInfo
- Publication number
- SE459179B SE459179B SE8306744A SE8306744A SE459179B SE 459179 B SE459179 B SE 459179B SE 8306744 A SE8306744 A SE 8306744A SE 8306744 A SE8306744 A SE 8306744A SE 459179 B SE459179 B SE 459179B
- Authority
- SE
- Sweden
- Prior art keywords
- solution
- urea
- dissolution
- carbamate
- cellulose
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 10
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 20
- 239000004202 carbamide Substances 0.000 claims description 20
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims description 17
- 229920002678 cellulose Polymers 0.000 claims description 16
- 239000001913 cellulose Substances 0.000 claims description 16
- 238000004090 dissolution Methods 0.000 claims description 12
- 239000003513 alkali Substances 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 4
- 239000007900 aqueous suspension Substances 0.000 claims 1
- TWFZGCMQGLPBSX-UHFFFAOYSA-N carbendazim Chemical compound C1=CC=C2NC(NC(=O)OC)=NC2=C1 TWFZGCMQGLPBSX-UHFFFAOYSA-N 0.000 claims 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 150000003751 zinc Chemical class 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000000463 material Substances 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
- 230000001105 regulatory effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- UPUKNYVKQNFZJO-UHFFFAOYSA-N zinc;oxygen(2-);urea Chemical compound [O-2].[Zn+2].NC(N)=O UPUKNYVKQNFZJO-UHFFFAOYSA-N 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)
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 (3)
| Publication Number | Publication Date |
|---|---|
| SE8306744D0 SE8306744D0 (sv) | 1983-12-07 |
| SE8306744L SE8306744L (sv) | 1984-06-09 |
| SE459179B true SE459179B (sv) | 1989-06-12 |
Family
ID=8516425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8306744A SE459179B (sv) | 1982-12-08 | 1983-12-07 | 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 |
| FI67561C (fi) | 1985-04-10 |
| 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 |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 8306744-7 Effective date: 19920704 Format of ref document f/p: F |