FR2570705B1 - Procede pour precipiter le carbamate de cellulose - Google Patents
Procede pour precipiter le carbamate de celluloseInfo
- Publication number
- FR2570705B1 FR2570705B1 FR8514366A FR8514366A FR2570705B1 FR 2570705 B1 FR2570705 B1 FR 2570705B1 FR 8514366 A FR8514366 A FR 8514366A FR 8514366 A FR8514366 A FR 8514366A FR 2570705 B1 FR2570705 B1 FR 2570705B1
- Authority
- FR
- France
- Prior art keywords
- cellulose carbamate
- precipitating cellulose
- precipitating
- carbamate
- cellulose
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B3/00—Preparation of cellulose esters of organic acids
- C08B3/14—Preparation of cellulose esters of organic acids in which the organic acid residue contains substituents, e.g. NH2, Cl
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Artificial Filaments (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI843812A FI69851C (fi) | 1984-09-27 | 1984-09-27 | Foerfarande foer utfaellning av cellulosakarbamat |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2570705A1 FR2570705A1 (fr) | 1986-03-28 |
FR2570705B1 true FR2570705B1 (fr) | 1988-06-10 |
Family
ID=8519660
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8514366A Expired FR2570705B1 (fr) | 1984-09-27 | 1985-09-27 | Procede pour precipiter le carbamate de cellulose |
Country Status (17)
Country | Link |
---|---|
JP (1) | JPS6189201A (no) |
AT (1) | AT391709B (no) |
BR (1) | BR8504744A (no) |
CA (1) | CA1266467A (no) |
CS (1) | CS274607B2 (no) |
DD (1) | DD238984A5 (no) |
DE (1) | DE3534370A1 (no) |
FI (1) | FI69851C (no) |
FR (1) | FR2570705B1 (no) |
GB (1) | GB2164941B (no) |
IN (1) | IN164916B (no) |
IT (1) | IT1215310B (no) |
NO (1) | NO162909C (no) |
RO (1) | RO92933B (no) |
SE (1) | SE8504455L (no) |
SU (1) | SU1535384A3 (no) |
ZA (1) | ZA857172B (no) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19721609A1 (de) | 1997-05-23 | 1998-11-26 | Zimmer Ag | Verfahren und Vorrichtung zum Verspinnen von Cellulosecarbamat-Lösungen |
DE102004007616B4 (de) * | 2004-02-17 | 2005-12-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Herstellung von Fasern und anderen Formkörpern aus Cellulosecarbamat und/oder regenerierter Cellulose |
CA2915765C (en) * | 2013-07-01 | 2021-10-26 | Ihk Fibre Ab | Alkali recycle in cellulose spinning process |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB323747A (en) * | 1928-07-02 | 1930-01-02 | Leon Lilienfeld | Process for coagulating or precipitating viscose |
NL55623C (no) * | 1935-05-15 | |||
GB516672A (en) * | 1937-08-30 | 1940-01-09 | Du Pont | Improvements in or relating to the production of cellulose derivatives |
FI64603C (fi) * | 1981-12-30 | 1983-12-12 | Neste Oy | Foerfarande foer utfaellning 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 |
-
1984
- 1984-09-27 FI FI843812A patent/FI69851C/fi not_active IP Right Cessation
-
1985
- 1985-09-18 ZA ZA857172A patent/ZA857172B/xx unknown
- 1985-09-19 NO NO853673A patent/NO162909C/no unknown
- 1985-09-20 CS CS673085A patent/CS274607B2/cs unknown
- 1985-09-23 IN IN673/CAL/85A patent/IN164916B/en unknown
- 1985-09-24 IT IT8522254A patent/IT1215310B/it active
- 1985-09-25 DD DD85281018A patent/DD238984A5/de not_active IP Right Cessation
- 1985-09-26 SE SE8504455A patent/SE8504455L/ not_active Application Discontinuation
- 1985-09-26 BR BR8504744A patent/BR8504744A/pt not_active IP Right Cessation
- 1985-09-26 DE DE19853534370 patent/DE3534370A1/de active Granted
- 1985-09-26 AT AT0280685A patent/AT391709B/de not_active IP Right Cessation
- 1985-09-26 SU SU853957508A patent/SU1535384A3/ru active
- 1985-09-26 CA CA000491569A patent/CA1266467A/en not_active Expired - Fee Related
- 1985-09-27 RO RO120224A patent/RO92933B/ro unknown
- 1985-09-27 FR FR8514366A patent/FR2570705B1/fr not_active Expired
- 1985-09-27 GB GB08523913A patent/GB2164941B/en not_active Expired
- 1985-09-27 JP JP60214407A patent/JPS6189201A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
CA1266467A (en) | 1990-03-06 |
SE8504455L (sv) | 1986-03-28 |
FI69851C (fi) | 1986-05-26 |
BR8504744A (pt) | 1986-07-22 |
RO92933A (ro) | 1988-03-30 |
DD238984A5 (de) | 1986-09-10 |
RO92933B (ro) | 1988-03-31 |
FR2570705A1 (fr) | 1986-03-28 |
GB2164941A (en) | 1986-04-03 |
NO853673L (no) | 1986-04-01 |
ATA280685A (de) | 1990-05-15 |
FI69851B (fi) | 1985-12-31 |
JPH0246601B2 (no) | 1990-10-16 |
DE3534370C2 (no) | 1989-11-23 |
SU1535384A3 (ru) | 1990-01-07 |
CS274607B2 (en) | 1991-09-15 |
ZA857172B (en) | 1986-05-28 |
FI843812A0 (fi) | 1984-09-27 |
NO162909B (no) | 1989-11-27 |
NO162909C (no) | 1990-03-07 |
AT391709B (de) | 1990-11-26 |
GB2164941B (en) | 1988-10-12 |
CS673085A2 (en) | 1990-12-13 |
DE3534370A1 (de) | 1986-04-03 |
GB8523913D0 (en) | 1985-10-30 |
IT1215310B (it) | 1990-01-31 |
IN164916B (no) | 1989-07-08 |
SE8504455D0 (sv) | 1985-09-26 |
JPS6189201A (ja) | 1986-05-07 |
IT8522254A0 (it) | 1985-09-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2537587B1 (fr) | Procede pour dissoudre le carbamate de cellulose | |
RO90386A (ro) | Procedeu de obtinere a carbamatului de celuloza | |
FR2560882B1 (fr) | Procede pour la preparation de carbamate de cellulose | |
FR2503158B1 (fr) | Procede pour la preparation de dithiazolyldisulfures | |
FR2514758B1 (fr) | Procede de production d'uree | |
FR2543554B1 (fr) | Procede ameliore pour la purification de la tylosine | |
FR2532651B1 (fr) | Procede de dispersion de l'hydroxypropyl methyl cellulose | |
FR2567542B1 (fr) | Procede de | |
FR2524316B1 (fr) | Procede de photodecontamination | |
FR2562070B1 (fr) | Procede de preparation de 2-amino-s-triazines | |
FR2525219B1 (fr) | Procede pour la preparation de 4-hydroxy-2-methyl-2h-1,2-benzothiazine-3-carboxamide-1-1-dioxydes | |
FR2570705B1 (fr) | Procede pour precipiter le carbamate de cellulose | |
BE890118A (fr) | Procede de production d'uree | |
FR2512945B1 (fr) | Procede de | |
FR2541670B1 (fr) | Procede d'epaississement de boues digerees | |
FR2569687B1 (fr) | Procede de raffinage de tertio-butylstyrene | |
FR2549039B1 (fr) | Procede de preparation de 3,3,3-trifluoro-2-trifluoro-mehylpropene | |
FR2515211B1 (fr) | Procede d'affinage de metal | |
FR2569701B1 (fr) | Procede de silylation | |
FR2549042B1 (fr) | Procede pour la preparation de la 3,11-dimethyl-2-nonacosanone | |
FR2521556B1 (fr) | Procede de preparation de 3, 3'-diamino-diphenylsulfones | |
FR2559153B1 (fr) | Procede de purification d'oxacephalosporines | |
FR2516451B1 (fr) | Procede de cartonnage de livres | |
FR2519026B1 (fr) | Procede d'affinage de plomb impur | |
RO88446A2 (ro) | Procedeu de obtinere a p-clorbenzofenonei |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |