DE252661C - - Google Patents
Info
- Publication number
- DE252661C DE252661C DENDAT252661D DE252661DA DE252661C DE 252661 C DE252661 C DE 252661C DE NDAT252661 D DENDAT252661 D DE NDAT252661D DE 252661D A DE252661D A DE 252661DA DE 252661 C DE252661 C DE 252661C
- Authority
- DE
- Germany
- Prior art keywords
- cellulose
- alkylenediamine
- modification
- production
- few percent
- 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 2
- 239000001913 cellulose Substances 0.000 claims 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 1
- 239000012084 conversion product Substances 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 claims 1
- 239000010949 copper Substances 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 claims 1
- 238000006011 modification reaction Methods 0.000 claims 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)
- Processes Of Treating Macromolecular Substances (AREA)
Description
feERLIti. GEDRUCKT IN DER RElCHSDRUCKEREt.
Claims (1)
- Patent-Anspruch:Abänderung des Verfahrens zur Herstellung von Celluloselösungen gemäß Patent 245575, dadurch gekennzeichnet, daß man Cellulose oder ihr nahestehende Um-Wandlungsprodukte mit Kupferhydroxyd-Alkylendiaminlösungen behandelt, die einige Prozente Ammoniak enthalten.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE252661C true DE252661C (de) |
Family
ID=510995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT252661D Active DE252661C (de) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE252661C (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2548636A (en) * | 1946-05-29 | 1951-04-10 | Hawley Products Co | Stabilized cuprammonium hydroxide solution and method of preparing the same |
-
0
- DE DENDAT252661D patent/DE252661C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2548636A (en) * | 1946-05-29 | 1951-04-10 | Hawley Products Co | Stabilized cuprammonium hydroxide solution and method of preparing the same |
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