DE254093C - - Google Patents
Info
- Publication number
- DE254093C DE254093C DENDAT254093D DE254093DA DE254093C DE 254093 C DE254093 C DE 254093C DE NDAT254093 D DENDAT254093 D DE NDAT254093D DE 254093D A DE254093D A DE 254093DA DE 254093 C DE254093 C DE 254093C
- Authority
- DE
- Germany
- Prior art keywords
- cellulose
- solution
- solutions
- formic acid
- hydrate
- 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.)
- Active
Links
- 229920002678 cellulose Polymers 0.000 claims description 35
- 235000010980 cellulose Nutrition 0.000 claims description 35
- 239000001913 cellulose Substances 0.000 claims description 31
- BDAGIHXWWSANSR-UHFFFAOYSA-N formic acid Chemical compound OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 24
- 229920000297 Rayon Polymers 0.000 claims description 9
- 235000019253 formic acid Nutrition 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000000020 Nitrocellulose Substances 0.000 claims description 5
- 229920001220 nitrocellulos Polymers 0.000 claims description 5
- 239000002964 rayon Substances 0.000 claims description 5
- 229920002955 Art silk Polymers 0.000 claims description 4
- DBNPDRYVYQWGFW-UHFFFAOYSA-N N.[Cu]=O Chemical compound N.[Cu]=O DBNPDRYVYQWGFW-UHFFFAOYSA-N 0.000 claims description 3
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- 239000006227 byproduct Substances 0.000 claims description 2
- 150000004677 hydrates Chemical class 0.000 claims description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims 1
- 235000011114 ammonium hydroxide Nutrition 0.000 claims 1
- 238000000354 decomposition reaction Methods 0.000 claims 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000002699 waste material Substances 0.000 description 5
- 238000006170 formylation reaction Methods 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-M methanoate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000036571 hydration Effects 0.000 description 3
- 238000006703 hydration reaction Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- QGJOPFRUJISHPQ-UHFFFAOYSA-N carbon bisulphide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 239000005750 Copper hydroxide Substances 0.000 description 1
- JJLJMEJHUUYSSY-UHFFFAOYSA-L Copper(II) hydroxide Chemical compound [OH-].[OH-].[Cu+2] JJLJMEJHUUYSSY-UHFFFAOYSA-L 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L Copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 229920000875 Dissolving pulp Polymers 0.000 description 1
- 229940100996 SODIUM BISULFATE Drugs 0.000 description 1
- WBHQBSYUUJJSRZ-UHFFFAOYSA-M Sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 description 1
- JIAARYAFYJHUJI-UHFFFAOYSA-L Zinc chloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910001956 copper hydroxide Inorganic materials 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 230000000593 degrading Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 150000004675 formic acid derivatives Chemical class 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 235000021190 leftovers Nutrition 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910000342 sodium bisulfate Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052572 stoneware Inorganic materials 0.000 description 1
- -1 sulfur ammonium Chemical compound 0.000 description 1
- 230000002522 swelling Effects 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 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
- C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
- C08B1/02—Rendering cellulose suitable for esterification
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Artificial Filaments (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE254093C true DE254093C (zh) |
Family
ID=512310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT254093D Active DE254093C (zh) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE254093C (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6060973A (en) * | 1995-08-25 | 2000-05-09 | Nippondenso Co., Ltd. | Slant winding electromagnetic coil and ignition coil for internal combustion engine using same |
-
0
- DE DENDAT254093D patent/DE254093C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6060973A (en) * | 1995-08-25 | 2000-05-09 | Nippondenso Co., Ltd. | Slant winding electromagnetic coil and ignition coil for internal combustion engine using same |
| US6252483B1 (en) | 1995-08-25 | 2001-06-26 | Nippondenso Co., Ltd. | Slant winding electromagnetic coil and ignition coil for internal combustion engine using same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2652989B2 (zh) | ||
| DE254093C (zh) | ||
| DE1949335C2 (de) | Verfahren zur Herstellung von Cellulosexanthogenat oder Celluloseacetat | |
| EP0003135A2 (de) | Verfahren zur Verbesserung des Lösungszustandes von Viskosen | |
| DE3888618T2 (de) | Verfahren zur Herstellung von Zelluloseazetat-Formmasse. | |
| AT60447B (de) | Verfahren zur Nutzbarmachung der Abfälle der Zellulose Kunstseiden-Fabrikation aller Art Durch Umwandlung in Formylzellulose. | |
| DE748055C (de) | Verfahren zur Herstellung alkaliarmer Viskose | |
| DE1814565C3 (de) | Fäden aus regenerierter Cellulose und Verfahren zu ihrer Herstellung | |
| DE328034C (de) | Verfahren zur Herstellung von Einzelfasern aus Bastfaserbuendeln unter gleichzeitiger Aufschliessung und Entfernung vorhandener Holzteile und Inkrusten | |
| DE236297C (zh) | ||
| CH122788A (de) | Verfahren zur Herstellung von Kunstfäden aus Viskose. | |
| DE640807C (de) | Verfahren zur Herstellung von kuenstlichen Gebilden aus Celluloseverbindungen | |
| DE752586C (de) | Verfahren zur Herstellung von kuenstlichen Fasern mit verminderter Quellbarkeit und guter Schlingfestigkeit nach dem Viskoseverfahren | |
| DE946387C (de) | Verfahren zur Herstellung von Zellwolle durch Verspinnen von Viscose | |
| AT111845B (de) | Verfahren zur Herstellung von mattierten und beschwerten Kunstseidefäden aus Zelluloseäthern und Zulluloseestern. | |
| DE313344C (zh) | ||
| DE1117255B (de) | Verfahren zur Herstellung von Cellulosexanthogenatessigsaeure-Faeden | |
| DE904700C (de) | Verfahren zur Herstellung von Formgebilden, wie Folien oder Faeden, durch Koagulieren von Celluloseloesungen | |
| DE1570076A1 (de) | Verfahren zur Herstellung optisch aufgehellter Formkoerper aus regenerierter Cellulose | |
| DE545500C (de) | Vorbehandlung der Cellulose fuer die UEberfuehrung in Cellulosederivate oder Celluloseloesungen | |
| DE898655C (de) | Verfahren zur Herstellung von Faeden, Fasern, Filmen oder anderen Verformungsprodukten aus Viscose mit verringerter Quellbarkeit in Wasser sowie verminderter Alkaliloeslichkeit | |
| DE972418C (de) | Verfahren zur Herstellung von Viskose | |
| AT118598B (de) | Verfahren zur Herstellung von Cellulosederivaten und Celluloselösungen. | |
| DE868651C (de) | Verfahren zur Herstellung von ganz oder teilweise aus alkaliloeslichem Celluloseaether bestehenden Textilfasern | |
| DE650485C (de) | Verfahren zur Herstellung von Kunstfaeden |