DE2219093A1 - Verfahren zur Herstellung von Lösungen von Cellulosepropionaten - Google Patents
Verfahren zur Herstellung von Lösungen von CellulosepropionatenInfo
- Publication number
- DE2219093A1 DE2219093A1 DE19722219093 DE2219093A DE2219093A1 DE 2219093 A1 DE2219093 A1 DE 2219093A1 DE 19722219093 DE19722219093 DE 19722219093 DE 2219093 A DE2219093 A DE 2219093A DE 2219093 A1 DE2219093 A1 DE 2219093A1
- Authority
- DE
- Germany
- Prior art keywords
- cellulose
- weight
- water
- cellulose propionate
- carbon atoms
- 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.)
- Pending
Links
- 229920006218 cellulose propionate Polymers 0.000 title claims description 66
- 238000000034 method Methods 0.000 title claims description 32
- 238000002360 preparation method Methods 0.000 title claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 50
- DQEFEBPAPFSJLV-UHFFFAOYSA-N Cellulose propionate Chemical compound CCC(=O)OCC1OC(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C1OC1C(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C(COC(=O)CC)O1 DQEFEBPAPFSJLV-UHFFFAOYSA-N 0.000 claims description 38
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 36
- 239000000203 mixture Substances 0.000 claims description 21
- 229920002678 cellulose Polymers 0.000 claims description 18
- 239000001913 cellulose Substances 0.000 claims description 17
- 239000002904 solvent Substances 0.000 claims description 17
- 239000002002 slurry Substances 0.000 claims description 15
- 125000004432 carbon atom Chemical group C* 0.000 claims description 14
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 10
- 239000003960 organic solvent Substances 0.000 claims description 9
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 claims description 7
- -1 alkyl acetate Chemical compound 0.000 claims description 4
- 150000002576 ketones Chemical class 0.000 claims description 4
- 239000000049 pigment Substances 0.000 claims description 4
- 125000001501 propionyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 claims description 4
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 3
- 238000004090 dissolution Methods 0.000 claims 1
- PDEFQWNXOUGDJR-UHFFFAOYSA-M sodium;2,2-dichloropropanoate Chemical compound [Na+].CC(Cl)(Cl)C([O-])=O PDEFQWNXOUGDJR-UHFFFAOYSA-M 0.000 claims 1
- 235000019441 ethanol Nutrition 0.000 description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 19
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 13
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 11
- 230000007062 hydrolysis Effects 0.000 description 9
- 238000006460 hydrolysis reaction Methods 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 150000001298 alcohols Chemical class 0.000 description 7
- 238000001035 drying Methods 0.000 description 7
- 238000005886 esterification reaction Methods 0.000 description 7
- 239000002253 acid Substances 0.000 description 6
- 230000032050 esterification Effects 0.000 description 6
- 239000002244 precipitate Substances 0.000 description 6
- 235000019260 propionic acid Nutrition 0.000 description 6
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 150000002148 esters Chemical class 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- WFDIJRYMOXRFFG-UHFFFAOYSA-N acetic acid anhydride Natural products CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000000227 grinding Methods 0.000 description 4
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 238000005917 acylation reaction Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- WYVAMUWZEOHJOQ-UHFFFAOYSA-N propionic anhydride Chemical class CCC(=O)OC(=O)CC WYVAMUWZEOHJOQ-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- 230000010933 acylation Effects 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 230000021736 acetylation Effects 0.000 description 1
- 238000006640 acetylation reaction Methods 0.000 description 1
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 description 1
- 125000004063 butyryl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229940035429 isobutyl alcohol Drugs 0.000 description 1
- MOUPNEIJQCETIW-UHFFFAOYSA-N lead chromate Chemical compound [Pb+2].[O-][Cr]([O-])(=O)=O MOUPNEIJQCETIW-UHFFFAOYSA-N 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000001052 yellow pigment 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
- C08B3/00—Preparation of cellulose esters of organic acids
- C08B3/22—Post-esterification treatments, including purification
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/08—Cellulose derivatives
- C08L1/10—Esters of organic acids, i.e. acylates
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Paints Or Removers (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13616071A | 1971-04-21 | 1971-04-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2219093A1 true DE2219093A1 (de) | 1972-11-02 |
Family
ID=22471594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722219093 Pending DE2219093A1 (de) | 1971-04-21 | 1972-04-19 | Verfahren zur Herstellung von Lösungen von Cellulosepropionaten |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2219093A1 (OSRAM) |
| FR (1) | FR2133839B1 (OSRAM) |
| GB (1) | GB1384082A (OSRAM) |
-
1972
- 1972-04-18 FR FR7213533A patent/FR2133839B1/fr not_active Expired
- 1972-04-19 DE DE19722219093 patent/DE2219093A1/de active Pending
- 1972-04-20 GB GB1836672A patent/GB1384082A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2133839B1 (OSRAM) | 1976-08-06 |
| GB1384082A (en) | 1975-02-19 |
| FR2133839A1 (OSRAM) | 1972-12-01 |
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