BE527692A - - Google Patents

Info

Publication number

BE527692A

BE527692A BE527692DA BE527692A BE 527692 A BE527692 A BE 527692A BE 527692D A BE527692D A BE 527692DA BE 527692 A BE527692 A BE 527692A

Authority

BE

Belgium

Prior art keywords

methyl chloride

alkalicellulose

cellulose

temperature

reaction

Prior art date

Links

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• NEHMKBQYUWJMIP-UHFFFAOYSA-N Chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 claims description 38
• 229940050176 Methyl Chloride Drugs 0.000 claims description 38
• 229920002678 cellulose Polymers 0.000 claims description 18
• 239000001913 cellulose Substances 0.000 claims description 18
• 238000006243 chemical reaction Methods 0.000 claims description 14
• 239000007788 liquid Substances 0.000 claims description 14
• 238000000034 method Methods 0.000 claims description 6
• HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
• 229920000609 methyl cellulose Polymers 0.000 description 10
• 235000010981 methylcellulose Nutrition 0.000 description 10
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
• 238000004821 distillation Methods 0.000 description 6
• 235000011121 sodium hydroxide Nutrition 0.000 description 6
• LNAZSHAWQACDHT-XIYTZBAFSA-N (2R,3R,4S,5R,6S)-4,5-dimethoxy-2-(methoxymethyl)-3-[(2S,3R,4S,5R,6R)-3,4,5-trimethoxy-6-(methoxymethyl)oxan-2-yl]oxy-6-[(2R,3R,4S,5R,6R)-4,5,6-trimethoxy-2-(methoxymethyl)oxan-3-yl]oxyoxane Chemical compound CO[C@@H]1[C@@H](OC)[C@H](OC)[C@@H](COC)O[C@H]1O[C@H]1[C@H](OC)[C@@H](OC)[C@H](O[C@H]2[C@@H]([C@@H](OC)[C@H](OC)O[C@@H]2COC)OC)O[C@@H]1COC LNAZSHAWQACDHT-XIYTZBAFSA-N 0.000 description 5
• 238000007069 methylation reaction Methods 0.000 description 5
• 239000001923 methylcellulose Substances 0.000 description 5
• 238000001035 drying Methods 0.000 description 4
• FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
• 238000005406 washing Methods 0.000 description 4
• 238000004519 manufacturing process Methods 0.000 description 3
• 239000000463 material Substances 0.000 description 3
• 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 3
• 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
• 230000011987 methylation Effects 0.000 description 3
• 239000000243 solution Substances 0.000 description 3
• 238000003756 stirring Methods 0.000 description 3
• WQZGKKKJIJFFOK-GASJEMHNSA-N D-Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 2
• 239000003513 alkali Substances 0.000 description 2
• 239000012267 brine Substances 0.000 description 2
• VEXZGXHMUGYJMC-UHFFFAOYSA-M chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
• 239000000835 fiber Substances 0.000 description 2
• 239000008103 glucose Substances 0.000 description 2
• 239000003292 glue Substances 0.000 description 2
• OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 2
• 238000000926 separation method Methods 0.000 description 2
• 239000011780 sodium chloride Substances 0.000 description 2
• 235000019749 Dry matter Nutrition 0.000 description 1
• LSNNMFCWUKXFEE-UHFFFAOYSA-L Sulphite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
• 241001106462 Ulmus Species 0.000 description 1
• 238000009835 boiling Methods 0.000 description 1
• 230000015556 catabolic process Effects 0.000 description 1
• 238000000354 decomposition reaction Methods 0.000 description 1
• 230000004059 degradation Effects 0.000 description 1
• 238000006731 degradation reaction Methods 0.000 description 1
• 238000006266 etherification reaction Methods 0.000 description 1
• 239000002657 fibrous material Substances 0.000 description 1
• 238000001914 filtration Methods 0.000 description 1
• 239000007789 gas Substances 0.000 description 1
• 230000005283 ground state Effects 0.000 description 1
• 238000010438 heat treatment Methods 0.000 description 1
• 239000005457 ice water Substances 0.000 description 1
• 238000007654 immersion Methods 0.000 description 1
• 238000005470 impregnation Methods 0.000 description 1
• 238000004898 kneading Methods 0.000 description 1
• YWOITFUKFOYODT-UHFFFAOYSA-N methanol;sodium Chemical compound [Na].OC YWOITFUKFOYODT-UHFFFAOYSA-N 0.000 description 1
• 239000012022 methylating agents‎ Substances 0.000 description 1
• 238000002156 mixing Methods 0.000 description 1
• 238000005086 pumping Methods 0.000 description 1
• 238000000746 purification Methods 0.000 description 1
• 238000006467 substitution reaction Methods 0.000 description 1
• 238000010408 sweeping Methods 0.000 description 1