GB348931A - - Google Patents
Info
- Publication number
- GB348931A GB348931A GB19097/30A GB1909730A GB348931A GB 348931 A GB348931 A GB 348931A GB 19097/30 A GB19097/30 A GB 19097/30A GB 1909730 A GB1909730 A GB 1909730A GB 348931 A GB348931 A GB 348931A
- Authority
- GB
- United Kingdom
- Prior art keywords
- solutions
- acids
- solution
- cellulose
- worked
- 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
- 239000000243 solution Substances 0.000 abstract 6
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract 4
- 229920002678 cellulose Polymers 0.000 abstract 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 2
- 150000007513 acids Chemical class 0.000 abstract 2
- 239000001913 cellulose Substances 0.000 abstract 2
- 238000000578 dry spinning Methods 0.000 abstract 2
- 239000007788 liquid Substances 0.000 abstract 2
- 235000010269 sulphur dioxide Nutrition 0.000 abstract 2
- 239000004291 sulphur dioxide Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 229920000742 Cotton Polymers 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical class OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 230000000397 acetylating effect Effects 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 230000008014 freezing Effects 0.000 abstract 1
- 238000007710 freezing Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 235000011167 hydrochloric acid Nutrition 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000006386 neutralization reaction Methods 0.000 abstract 1
- 230000003472 neutralizing effect Effects 0.000 abstract 1
- 239000012266 salt solution Substances 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- 229920002994 synthetic fiber Polymers 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 238000002166 wet spinning Methods 0.000 abstract 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
- D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
- D01F2/28—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE348959X | 1929-07-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB348931A true GB348931A (enrdf_load_stackoverflow) | 1931-05-21 |
Family
ID=6257932
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB19097/30A Expired GB348931A (enrdf_load_stackoverflow) | 1929-07-18 | 1930-06-23 | |
| GB21820/30A Expired GB348959A (en) | 1929-07-18 | 1930-07-18 | Manufacture of artificial fibres and films from cellulose esters |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB21820/30A Expired GB348959A (en) | 1929-07-18 | 1930-07-18 | Manufacture of artificial fibres and films from cellulose esters |
Country Status (3)
| Country | Link |
|---|---|
| BE (2) | BE371682A (enrdf_load_stackoverflow) |
| FR (2) | FR698100A (enrdf_load_stackoverflow) |
| GB (2) | GB348931A (enrdf_load_stackoverflow) |
-
0
- BE BE371993D patent/BE371993A/xx unknown
-
1930
- 1930-06-23 GB GB19097/30A patent/GB348931A/en not_active Expired
- 1930-06-26 FR FR698100D patent/FR698100A/fr not_active Expired
- 1930-07-04 BE BE371682D patent/BE371682A/xx unknown
- 1930-07-10 FR FR38795D patent/FR38795E/fr not_active Expired
- 1930-07-18 GB GB21820/30A patent/GB348959A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR38795E (fr) | 1931-07-18 |
| BE371682A (enrdf_load_stackoverflow) | 1930-08-30 |
| FR698100A (fr) | 1931-01-27 |
| BE371993A (enrdf_load_stackoverflow) | |
| GB348959A (en) | 1931-05-21 |
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