SE8101987L - Forfarande for framstellning av regenererade cellulosaprodukter och atervinning av losningskemikalierna - Google Patents
Forfarande for framstellning av regenererade cellulosaprodukter och atervinning av losningskemikaliernaInfo
- Publication number
- SE8101987L SE8101987L SE8101987A SE8101987A SE8101987L SE 8101987 L SE8101987 L SE 8101987L SE 8101987 A SE8101987 A SE 8101987A SE 8101987 A SE8101987 A SE 8101987A SE 8101987 L SE8101987 L SE 8101987L
- Authority
- SE
- Sweden
- Prior art keywords
- solution
- formaldehyde
- regenerated
- cellulose
- dmso
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 239000000126 substance Substances 0.000 title abstract 2
- 238000011084 recovery Methods 0.000 title 1
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 abstract 8
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract 6
- 229920002678 cellulose Polymers 0.000 abstract 4
- 239000001913 cellulose Substances 0.000 abstract 4
- 239000000243 solution Substances 0.000 abstract 3
- 230000008020 evaporation Effects 0.000 abstract 2
- 238000001704 evaporation Methods 0.000 abstract 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Natural products CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 230000015271 coagulation Effects 0.000 abstract 1
- 238000005345 coagulation Methods 0.000 abstract 1
- 239000008098 formaldehyde solution Substances 0.000 abstract 1
- 159000000011 group IA salts Chemical class 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 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
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Paper (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI800962A FI60569C (fi) | 1980-03-28 | 1980-03-28 | Foerfarande foer tillverkning av regenererade cellulosaprodukter och aotervinning av loesningskemikalier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE8101987L true SE8101987L (sv) | 1981-09-29 |
Family
ID=8513360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8101987A SE8101987L (sv) | 1980-03-28 | 1981-03-27 | Forfarande for framstellning av regenererade cellulosaprodukter och atervinning av losningskemikalierna |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4319023A (sv) |
| JP (1) | JPS5718702A (sv) |
| CA (1) | CA1144319A (sv) |
| DE (1) | DE3109648C2 (sv) |
| FI (1) | FI60569C (sv) |
| FR (1) | FR2479279A1 (sv) |
| GB (1) | GB2072572B (sv) |
| IT (1) | IT1172239B (sv) |
| SE (1) | SE8101987L (sv) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6242522A (ja) * | 1985-08-20 | 1987-02-24 | Fujitsu Ltd | 半導体装置の製造方法 |
| JP2650972B2 (ja) * | 1988-07-26 | 1997-09-10 | 松下電器産業株式会社 | 半導体装置の製造方法 |
| JPH0722140B2 (ja) * | 1989-08-10 | 1995-03-08 | 三洋電機株式会社 | 半導体装置の製造方法 |
| JPH03155126A (ja) * | 1989-11-13 | 1991-07-03 | Sanyo Electric Co Ltd | 半導体装置の製造方法 |
| GB9103297D0 (en) * | 1991-02-15 | 1991-04-03 | Courtaulds Plc | Fibre production method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4022631A (en) * | 1975-05-19 | 1977-05-10 | International Telephone And Telegraph Corporation | Process for producing regenerated cellulosic articles |
| US4017642A (en) * | 1975-07-28 | 1977-04-12 | George O. Orth | Process of making food for ruminant animals from wood and/or woody products |
| US4076932A (en) * | 1976-02-27 | 1978-02-28 | International Telephone And Telegraph Corporation | Process for producing regenerated cellulosic articles |
| US4097666A (en) * | 1976-04-29 | 1978-06-27 | The Institute Of Paper Chemistry | Solvent system for polysaccharides |
| FR2358432A1 (fr) * | 1976-07-16 | 1978-02-10 | Rhone Poulenc Textile | Nouveau procede de mise en forme de solutions de cellulose et articles ainsi obtenus |
| US4073660A (en) * | 1976-08-18 | 1978-02-14 | International Telephone And Telegraph Corporation | Recovery of chemical components of cellulosic regenerating solution |
| US4082617A (en) * | 1976-08-18 | 1978-04-04 | International Telephone And Telegraph Corporation | Recovery of chemical components of cellulosic regenerating solution |
| AT344867B (de) * | 1977-04-05 | 1978-08-10 | Chemiefaser Lenzing Ag | Verfahren zur herstellung von faeden oder filmen aus regenerierter cellulose |
| US4281063A (en) * | 1978-03-08 | 1981-07-28 | Purdue Research Foundation | Process for treating cellulosic materials and obtaining glucose therefrom |
-
1980
- 1980-03-28 FI FI800962A patent/FI60569C/fi not_active IP Right Cessation
-
1981
- 1981-03-13 DE DE3109648A patent/DE3109648C2/de not_active Expired
- 1981-03-13 GB GB8108010A patent/GB2072572B/en not_active Expired
- 1981-03-18 US US06/245,195 patent/US4319023A/en not_active Expired - Fee Related
- 1981-03-18 CA CA000373320A patent/CA1144319A/en not_active Expired
- 1981-03-27 IT IT67429/81A patent/IT1172239B/it active
- 1981-03-27 SE SE8101987A patent/SE8101987L/sv not_active Application Discontinuation
- 1981-03-27 FR FR8106153A patent/FR2479279A1/fr not_active Withdrawn
- 1981-03-28 JP JP4475781A patent/JPS5718702A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US4319023A (en) | 1982-03-09 |
| IT8167429A0 (it) | 1981-03-27 |
| GB2072572A (en) | 1981-10-07 |
| DE3109648A1 (de) | 1982-02-18 |
| IT1172239B (it) | 1987-06-18 |
| DE3109648C2 (de) | 1983-02-24 |
| JPS5718702A (en) | 1982-01-30 |
| FI60569C (fi) | 1982-02-10 |
| GB2072572B (en) | 1983-07-06 |
| FI60569B (fi) | 1981-10-30 |
| FR2479279A1 (fr) | 1981-10-02 |
| CA1144319A (en) | 1983-04-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAV | Patent application has lapsed |
Ref document number: 8101987-9 |