GB1104838A - Improvements in or relating to the continuous precipitation of esters and mixed esters of cellulose - Google Patents
Improvements in or relating to the continuous precipitation of esters and mixed esters of celluloseInfo
- Publication number
- GB1104838A GB1104838A GB87867A GB87867A GB1104838A GB 1104838 A GB1104838 A GB 1104838A GB 87867 A GB87867 A GB 87867A GB 87867 A GB87867 A GB 87867A GB 1104838 A GB1104838 A GB 1104838A
- Authority
- GB
- United Kingdom
- Prior art keywords
- esters
- cellulose
- relating
- spinnerette
- needles
- 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
- 229920002678 cellulose Polymers 0.000 title abstract 3
- 150000002148 esters Chemical class 0.000 title 2
- 239000001913 cellulose Substances 0.000 title 1
- 238000001556 precipitation Methods 0.000 title 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 6
- 229920002284 Cellulose triacetate Polymers 0.000 abstract 1
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 abstract 1
- 238000009987 spinning Methods 0.000 abstract 1
- 238000003756 stirring Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B17/00—Apparatus for esterification or etherification of cellulose
- C08B17/02—Apparatus for esterification or etherification of cellulose for making organic esters of cellulose
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B17/00—Apparatus for esterification or etherification of cellulose
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B3/00—Preparation of cellulose esters of organic acids
- C08B3/22—Post-esterification treatments, including purification
- C08B3/26—Isolation of the cellulose ester
- C08B3/28—Isolation of the cellulose ester by precipitation
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)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Saccharide Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR45368A FR1482856A (fr) | 1966-01-10 | 1966-01-10 | Procédé et dispositif pour la précipitation en continu des esters et estersmixtes de la cellulose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1104838A true GB1104838A (en) | 1968-02-28 |
Family
ID=8598223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB87867A Expired GB1104838A (en) | 1966-01-10 | 1967-01-06 | Improvements in or relating to the continuous precipitation of esters and mixed esters of cellulose |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE692366A (enrdf_load_stackoverflow) |
| DE (1) | DE1618839A1 (enrdf_load_stackoverflow) |
| FR (1) | FR1482856A (enrdf_load_stackoverflow) |
| GB (1) | GB1104838A (enrdf_load_stackoverflow) |
-
1966
- 1966-01-10 FR FR45368A patent/FR1482856A/fr not_active Expired
-
1967
- 1967-01-05 DE DE19671618839 patent/DE1618839A1/de active Pending
- 1967-01-06 GB GB87867A patent/GB1104838A/en not_active Expired
- 1967-01-09 BE BE692366D patent/BE692366A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1482856A (fr) | 1967-06-02 |
| DE1618839A1 (de) | 1971-04-29 |
| BE692366A (enrdf_load_stackoverflow) | 1967-07-10 |
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