BE509428A - - Google Patents
Info
- Publication number
- BE509428A BE509428A BE509428DA BE509428A BE 509428 A BE509428 A BE 509428A BE 509428D A BE509428D A BE 509428DA BE 509428 A BE509428 A BE 509428A
- Authority
- BE
- Belgium
- Prior art keywords
- acid
- acetic
- treated
- cellulose
- cellulosic material
- Prior art date
Links
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 33
- 229920002678 cellulose Polymers 0.000 claims description 27
- WFDIJRYMOXRFFG-UHFFFAOYSA-N acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims description 26
- RAHZWNYVWXNFOC-UHFFFAOYSA-N sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 24
- 239000002253 acid Substances 0.000 claims description 17
- CWMYWRMDANXCSB-UHFFFAOYSA-N 1-oxoethanesulfonic acid Chemical compound CC(=O)S(O)(=O)=O CWMYWRMDANXCSB-UHFFFAOYSA-N 0.000 claims description 15
- 238000007792 addition Methods 0.000 claims description 14
- 239000002904 solvent Substances 0.000 claims description 13
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 11
- 239000003054 catalyst Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 229920000742 Cotton Polymers 0.000 claims description 10
- 238000006640 acetylation reaction Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 150000007513 acids Chemical class 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 6
- 238000006266 etherification reaction Methods 0.000 claims description 6
- 238000000354 decomposition reaction Methods 0.000 claims description 4
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 238000009834 vaporization Methods 0.000 claims description 2
- 235000010269 sulphur dioxide Nutrition 0.000 claims 5
- WETWJCDKMRHUPV-UHFFFAOYSA-N Acetyl chloride Chemical compound CC(Cl)=O WETWJCDKMRHUPV-UHFFFAOYSA-N 0.000 claims 2
- 239000012345 acetylating agent Substances 0.000 claims 2
- 150000002576 ketones Chemical class 0.000 claims 2
- 240000002799 Prunus avium Species 0.000 claims 1
- 235000019693 cherries Nutrition 0.000 claims 1
- 238000000605 extraction Methods 0.000 claims 1
- 238000006460 hydrolysis reaction Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 description 31
- 239000001913 cellulose Substances 0.000 description 19
- XBDQKXXYIPTUBI-UHFFFAOYSA-N propionic acid Chemical compound CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 12
- 239000000047 product Substances 0.000 description 8
- 229920002301 Cellulose acetate Polymers 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- VZGDMQKNWNREIO-UHFFFAOYSA-N Carbon tetrachloride Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 4
- 238000000578 dry spinning Methods 0.000 description 4
- 235000019260 propionic acid Nutrition 0.000 description 4
- 229920002284 Cellulose triacetate Polymers 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 230000003301 hydrolyzing Effects 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 230000000087 stabilizing Effects 0.000 description 2
- HKQOBOMRSSHSTC-DIBAFDJWSA-N (2R,3S,4S,5R,6S)-2-(hydroxymethyl)-6-[(2R,3S,4R,5R,6R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxane-3,4,5-triol;[(2R,3R,4S,5R,6S)-4,5,6-triacetyloxy-3-[(2S,3R,4S,5R,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxyoxan-2-yl]methyl acetate;[( Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](CO)O[C@@H](O)[C@H](O)[C@H]1O.CC(=O)OC[C@H]1O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](OC(C)=O)[C@@H]1O[C@H]1[C@H](OC(C)=O)[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1.CCC(=O)OC[C@H]1O[C@@H](OC(=O)CC)[C@H](OC(=O)CC)[C@@H](OC(=O)CC)[C@@H]1O[C@H]1[C@H](OC(=O)CC)[C@@H](OC(=O)CC)[C@H](OC(=O)CC)[C@@H](COC(=O)CC)O1 HKQOBOMRSSHSTC-DIBAFDJWSA-N 0.000 description 1
- 239000004902 Softening Agent Substances 0.000 description 1
- DQEFEBPAPFSJLV-WLTGXWPBSA-N [(2R,3R,4S,5R,6S)-4,5,6-tri(propanoyloxy)-3-[(2S,3R,4S,5R,6R)-3,4,5-tri(propanoyloxy)-6-(propanoyloxymethyl)oxan-2-yl]oxyoxan-2-yl]methyl propanoate Chemical compound CCC(=O)OC[C@H]1O[C@@H](OC(=O)CC)[C@H](OC(=O)CC)[C@@H](OC(=O)CC)[C@@H]1O[C@H]1[C@H](OC(=O)CC)[C@@H](OC(=O)CC)[C@H](OC(=O)CC)[C@@H](COC(=O)CC)O1 DQEFEBPAPFSJLV-WLTGXWPBSA-N 0.000 description 1
- 230000000397 acetylating Effects 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 230000002378 acidificating Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000001112 coagulant Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000004059 degradation Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000010036 direct spinning Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003472 neutralizing Effects 0.000 description 1
- 239000012457 nonaqueous media Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000003389 potentiating Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 239000005336 safety glass Substances 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000001131 transforming Effects 0.000 description 1
- ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 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
- C08B3/02—Catalysts used for the esterification
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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE509428A true BE509428A (ru) |
Family
ID=148856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE509428D BE509428A (ru) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE509428A (ru) |
-
0
- BE BE509428D patent/BE509428A/fr unknown
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