BE407685A - - Google Patents
Info
- Publication number
- BE407685A BE407685A BE407685DA BE407685A BE 407685 A BE407685 A BE 407685A BE 407685D A BE407685D A BE 407685DA BE 407685 A BE407685 A BE 407685A
- Authority
- BE
- Belgium
- Prior art keywords
- cellulose
- aloali
- water
- solution
- soluble
- Prior art date
Links
- 229920002678 cellulose Polymers 0.000 claims description 120
- 239000001913 cellulose Substances 0.000 claims description 120
- 239000000243 solution Substances 0.000 claims description 82
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 59
- 239000003795 chemical substances by application Substances 0.000 claims description 49
- 238000000034 method Methods 0.000 claims description 29
- 239000003513 alkali Substances 0.000 claims description 28
- 239000003518 caustics Substances 0.000 claims description 28
- 238000010438 heat treatment Methods 0.000 claims description 22
- 239000002253 acid Substances 0.000 claims description 17
- 239000002994 raw material Substances 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 15
- VEXZGXHMUGYJMC-UHFFFAOYSA-N HCl Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 14
- 125000000217 alkyl group Chemical group 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- 150000007513 acids Chemical class 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- 239000003960 organic solvent Substances 0.000 claims description 7
- HRYZWHHZPQKTII-UHFFFAOYSA-N Chloroethane Chemical compound CCCl HRYZWHHZPQKTII-UHFFFAOYSA-N 0.000 claims description 6
- 239000002168 alkylating agent Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 6
- 229960003750 ethyl chloride Drugs 0.000 claims description 5
- 239000011541 reaction mixture Substances 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- HEDRZPFGACZZDS-UHFFFAOYSA-N chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 4
- 230000000875 corresponding Effects 0.000 claims description 4
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 3
- 230000001427 coherent Effects 0.000 claims description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000011707 mineral Substances 0.000 claims description 3
- 229940100198 ALKYLATING AGENTS Drugs 0.000 claims description 2
- 229920000297 Rayon Polymers 0.000 claims description 2
- 239000012047 saturated solution Substances 0.000 claims description 2
- 238000004090 dissolution Methods 0.000 claims 2
- 101700025368 ERBB2 Proteins 0.000 claims 1
- 239000012141 concentrate Substances 0.000 claims 1
- 238000003379 elimination reaction Methods 0.000 claims 1
- 230000001376 precipitating Effects 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 26
- 239000000047 product Substances 0.000 description 23
- 238000006243 chemical reaction Methods 0.000 description 13
- BVKZGUZCCUSVTD-UHFFFAOYSA-N Carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 10
- 239000012084 conversion product Substances 0.000 description 10
- 239000011780 sodium chloride Substances 0.000 description 9
- 235000011121 sodium hydroxide Nutrition 0.000 description 9
- 150000003839 salts Chemical class 0.000 description 7
- 229920003086 cellulose ether Polymers 0.000 description 6
- 239000004033 plastic Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 238000007792 addition Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000004898 kneading Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- DENRZWYUOJLTMF-UHFFFAOYSA-N Diethyl sulfate Chemical compound CCOS(=O)(=O)OCC DENRZWYUOJLTMF-UHFFFAOYSA-N 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229960000583 Acetic Acid Drugs 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-L Sulphite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000010908 decantation Methods 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 150000002170 ethers Chemical class 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 239000012362 glacial acetic acid Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- 230000001131 transforming Effects 0.000 description 2
- VUKAUDKDFVSVFT-UHFFFAOYSA-N 2-[6-[4,5-bis(2-hydroxypropoxy)-2-(2-hydroxypropoxymethyl)-6-methoxyoxan-3-yl]oxy-4,5-dimethoxy-2-(methoxymethyl)oxan-3-yl]oxy-6-(hydroxymethyl)-5-methoxyoxane-3,4-diol Chemical compound COC1C(OC)C(OC2C(C(O)C(OC)C(CO)O2)O)C(COC)OC1OC1C(COCC(C)O)OC(OC)C(OCC(C)O)C1OCC(C)O VUKAUDKDFVSVFT-UHFFFAOYSA-N 0.000 description 1
- 229920002955 Art silk Polymers 0.000 description 1
- KCXMKQUNVWSEMD-UHFFFAOYSA-N Benzyl chloride Chemical compound ClCC1=CC=CC=C1 KCXMKQUNVWSEMD-UHFFFAOYSA-N 0.000 description 1
- RDHPKYGYEGBMSE-UHFFFAOYSA-N Bromoethane Chemical compound CCBr RDHPKYGYEGBMSE-UHFFFAOYSA-N 0.000 description 1
- 208000001840 Dandruff Diseases 0.000 description 1
- VAYGXNSJCAHWJZ-UHFFFAOYSA-N Dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 description 1
- HVTICUPFWKNHNG-UHFFFAOYSA-N Ethyl iodide Chemical compound CCI HVTICUPFWKNHNG-UHFFFAOYSA-N 0.000 description 1
- 229940045681 Other alkylating agents in ATC Drugs 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 239000004902 Softening Agent Substances 0.000 description 1
- GYNAYXFRCBVFOE-XBZOGAIXSA-J [(2S,3R,4S,6S)-2-[(2R,3S,4R,5R,6S)-6-[(2S,3R,4R,5R)-3,4-dihydroxy-5-[(2R,3R,4R,5R,6R)-6-hydroxy-2-(hydroxymethyl)-4,5-disulfonatooxyoxan-3-yl]oxyoxan-2-yl]oxy-4,5-dihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-4-hydroxy-6-(sulfonatooxymethyl)oxan-3-yl] sulfate Chemical compound O([C@@H]1CO[C@H]([C@@H]([C@H]1O)O)O[C@@H]1O[C@@H]([C@H]([C@H](O)[C@H]1O)O[C@H]1[C@@H]([C@@H](O)C[C@@H](COS([O-])(=O)=O)O1)OS([O-])(=O)=O)CO)[C@@H]1[C@@H](CO)O[C@@H](O)[C@H](OS([O-])(=O)=O)[C@@H]1OS([O-])(=O)=O GYNAYXFRCBVFOE-XBZOGAIXSA-J 0.000 description 1
- 150000008043 acidic salts Chemical class 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001476 alcoholic Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000001931 aliphatic group Chemical class 0.000 description 1
- 238000005804 alkylation reaction Methods 0.000 description 1
- -1 artificial filaments Substances 0.000 description 1
- 125000003710 aryl alkyl group Chemical group 0.000 description 1
- 229940073608 benzyl chloride Drugs 0.000 description 1
- 238000009739 binding Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 229940008406 diethyl sulfate Drugs 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006266 etherification reaction Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 125000004435 hydrogen atoms Chemical group [H]* 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001035 methylating Effects 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 230000001264 neutralization Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000004753 textile 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
- C08B11/00—Preparation of cellulose ethers
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)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE407685A true BE407685A (US06650917-20031118-M00005.png) |
Family
ID=72412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE407685D BE407685A (US06650917-20031118-M00005.png) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE407685A (US06650917-20031118-M00005.png) |
-
0
- BE BE407685D patent/BE407685A/fr unknown
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