DE550876C - Verfahren zur Herstellung von Kunstseide durch Verspinnen von Kupferoxydammoniakcelluloseloesungen - Google Patents
Verfahren zur Herstellung von Kunstseide durch Verspinnen von KupferoxydammoniakcelluloseloesungenInfo
- Publication number
- DE550876C DE550876C DEN31004D DEN0031004D DE550876C DE 550876 C DE550876 C DE 550876C DE N31004 D DEN31004 D DE N31004D DE N0031004 D DEN0031004 D DE N0031004D DE 550876 C DE550876 C DE 550876C
- Authority
- DE
- Germany
- Prior art keywords
- production
- rayon
- copper oxide
- cellulose solutions
- ammonia 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
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 229920000297 Rayon Polymers 0.000 title claims description 3
- 239000002964 rayon Substances 0.000 title claims description 3
- 238000009987 spinning Methods 0.000 title claims description 3
- DBNPDRYVYQWGFW-UHFFFAOYSA-N N.[Cu]=O Chemical compound N.[Cu]=O DBNPDRYVYQWGFW-UHFFFAOYSA-N 0.000 title claims 2
- 229920002678 cellulose Polymers 0.000 title claims 2
- 239000001913 cellulose Substances 0.000 title claims 2
- 238000000034 method Methods 0.000 title claims 2
- 238000001556 precipitation Methods 0.000 claims description 6
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 claims 1
- GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 claims 1
- 239000007789 gas Substances 0.000 description 10
- 239000007788 liquid Substances 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- -1 alkali metal hydrosulfite Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000254 damaging effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- 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
- D01F2/02—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from solutions of cellulose in acids, bases or salts
- D01F2/04—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from solutions of cellulose in acids, bases or salts from cuprammonium solutions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
- Treating Waste Gases (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Inorganic Fibers (AREA)
- Gas Separation By Absorption (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH341025X | 1928-10-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE550876C true DE550876C (de) | 1932-05-21 |
Family
ID=4505625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEN31004D Expired DE550876C (de) | 1928-10-08 | 1929-10-06 | Verfahren zur Herstellung von Kunstseide durch Verspinnen von Kupferoxydammoniakcelluloseloesungen |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1918374A (enrdf_load_stackoverflow) |
| DE (1) | DE550876C (enrdf_load_stackoverflow) |
| FR (1) | FR682737A (enrdf_load_stackoverflow) |
| GB (1) | GB341025A (enrdf_load_stackoverflow) |
| NL (1) | NL26682C (enrdf_load_stackoverflow) |
-
0
- NL NL26682D patent/NL26682C/xx active
-
1929
- 1929-10-03 FR FR682737D patent/FR682737A/fr not_active Expired
- 1929-10-04 US US397455A patent/US1918374A/en not_active Expired - Lifetime
- 1929-10-06 DE DEN31004D patent/DE550876C/de not_active Expired
- 1929-10-08 GB GB30489/29A patent/GB341025A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1918374A (en) | 1933-07-18 |
| GB341025A (en) | 1931-01-08 |
| FR682737A (fr) | 1930-06-02 |
| NL26682C (enrdf_load_stackoverflow) |
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