BE515397A - - Google Patents

Info

Publication number

BE515397A

BE515397A BE515397DA BE515397A BE 515397 A BE515397 A BE 515397A BE 515397D A BE515397D A BE 515397DA BE 515397 A BE515397 A BE 515397A

Authority

BE

Belgium

Prior art keywords

methyl chloride

autoclave

water

cellulose

reaction

Prior art date

Links

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• NEHMKBQYUWJMIP-UHFFFAOYSA-N Chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 claims description 25
• 229940050176 Methyl Chloride Drugs 0.000 claims description 25
• 238000006243 chemical reaction Methods 0.000 claims description 13
• 239000007788 liquid Substances 0.000 claims description 12
• 238000000034 method Methods 0.000 claims description 11
• 238000010992 reflux Methods 0.000 claims description 5
• HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 14
• 229920000609 methyl cellulose Polymers 0.000 description 13
• 235000010981 methylcellulose Nutrition 0.000 description 13
• 229920002678 cellulose Polymers 0.000 description 12
• 239000001913 cellulose Substances 0.000 description 12
• 235000010980 cellulose Nutrition 0.000 description 11
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
• 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
• 238000004519 manufacturing process Methods 0.000 description 5
• 239000001923 methylcellulose Substances 0.000 description 5
• 235000011121 sodium hydroxide Nutrition 0.000 description 5
• 238000000354 decomposition reaction Methods 0.000 description 3
• 239000000835 fiber Substances 0.000 description 3
• 239000000243 solution Substances 0.000 description 3
• 238000005406 washing Methods 0.000 description 3
• 239000003513 alkali Substances 0.000 description 2
• 239000007864 aqueous solution Substances 0.000 description 2
• 238000001035 drying Methods 0.000 description 2
• 239000003292 glue Substances 0.000 description 2
• 230000011987 methylation Effects 0.000 description 2
• 238000007069 methylation reaction Methods 0.000 description 2
• 238000003756 stirring Methods 0.000 description 2
• 241001136782 Alca Species 0.000 description 1
• 229920000742 Cotton Polymers 0.000 description 1
• LSNNMFCWUKXFEE-UHFFFAOYSA-L Sulphite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
• 238000007792 addition Methods 0.000 description 1
• 230000002411 adverse Effects 0.000 description 1
• 125000000217 alkyl group Chemical group 0.000 description 1
• 239000002168 alkylating agent Substances 0.000 description 1
• 238000009835 boiling Methods 0.000 description 1
• 229920003086 cellulose ether Polymers 0.000 description 1
• 238000010411 cooking Methods 0.000 description 1
• 238000010908 decantation Methods 0.000 description 1
• 238000006266 etherification reaction Methods 0.000 description 1
• 235000013305 food Nutrition 0.000 description 1
• 238000010438 heat treatment Methods 0.000 description 1
• 239000012535 impurity Substances 0.000 description 1
• 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
• 239000003960 organic solvent Substances 0.000 description 1
• 238000003825 pressing Methods 0.000 description 1
• 238000005086 pumping Methods 0.000 description 1
• 150000003839 salts Chemical class 0.000 description 1
• 239000011780 sodium chloride Substances 0.000 description 1
• 239000002562 thickening agent Substances 0.000 description 1