DE237816C - - Google Patents
Info
- Publication number
- DE237816C DE237816C DENDAT237816D DE237816DA DE237816C DE 237816 C DE237816 C DE 237816C DE NDAT237816 D DENDAT237816 D DE NDAT237816D DE 237816D A DE237816D A DE 237816DA DE 237816 C DE237816 C DE 237816C
- Authority
- DE
- Germany
- Prior art keywords
- cellulose
- alkali salts
- organic acids
- instead
- added
- 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 6
- 239000001913 cellulose Substances 0.000 claims description 6
- 150000001447 alkali salts Chemical class 0.000 claims description 4
- DBNPDRYVYQWGFW-UHFFFAOYSA-N N.[Cu]=O Chemical compound N.[Cu]=O DBNPDRYVYQWGFW-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 150000007524 organic acids Chemical class 0.000 claims description 3
- 235000005985 organic acids Nutrition 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000004048 modification Effects 0.000 claims 1
- 238000012986 modification Methods 0.000 claims 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical class OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 241000131971 Bradyrhizobiaceae Species 0.000 description 1
- 208000006558 Dental Calculus Diseases 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- ZMFVLYPTTFPBNG-UHFFFAOYSA-N azane;2,3-dihydroxybutanedioic acid Chemical compound [NH4+].OC(=O)C(O)C(O)C([O-])=O ZMFVLYPTTFPBNG-UHFFFAOYSA-N 0.000 description 1
- 150000001879 copper Chemical class 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
- 239000000203 mixture Substances 0.000 description 1
- NKAAEMMYHLFEFN-UHFFFAOYSA-M monosodium tartrate Chemical compound [Na+].OC(=O)C(O)C(O)C([O-])=O NKAAEMMYHLFEFN-UHFFFAOYSA-M 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- LJCNRYVRMXRIQR-OLXYHTOASA-L potassium sodium L-tartrate Chemical compound [Na+].[K+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O LJCNRYVRMXRIQR-OLXYHTOASA-L 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 235000011006 sodium potassium tartrate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid 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
- C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
- C08B1/006—Preparation of cuprammonium cellulose solutions
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)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE237816C true DE237816C (https=) |
Family
ID=497387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT237816D Active DE237816C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE237816C (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE966600C (de) * | 1946-08-08 | 1957-08-22 | Beaunit Mills Inc | Verfahren zur gleichzeitigen Rueckgewinnung von Kupfer- und Weinsaeuresalzen aus Abfallfluessigkeiten, die sich bei der Erzeugung von Celluloseprodukten aus Kupferoxydammoniakcelluloseloesungen ansammeln |
-
0
- DE DENDAT237816D patent/DE237816C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE966600C (de) * | 1946-08-08 | 1957-08-22 | Beaunit Mills Inc | Verfahren zur gleichzeitigen Rueckgewinnung von Kupfer- und Weinsaeuresalzen aus Abfallfluessigkeiten, die sich bei der Erzeugung von Celluloseprodukten aus Kupferoxydammoniakcelluloseloesungen ansammeln |
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