BE404266A

BE404266A -

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Publication number: BE404266A
Authority: BE; Belgium
Prior art keywords: cellulose; parts; alkali; water; soluble
Prior art date

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English (en)

French (fr)

Publication of BE404266A publication Critical patent/BE404266A/fr

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229920002678 cellulose Polymers 0.000 claims description 66
239000001913 cellulose Substances 0.000 claims description 66
239000003513 alkali Substances 0.000 claims description 47
238000000034 method Methods 0.000 claims description 42
239000003518 caustics Substances 0.000 claims description 31
235000014633 carbohydrates Nutrition 0.000 claims description 27
150000001720 carbohydrates Chemical class 0.000 claims description 27
229920002472 Starch Polymers 0.000 claims description 13
239000008107 starch Substances 0.000 claims description 13
235000019698 starch Nutrition 0.000 claims description 13
229920001353 Dextrin Polymers 0.000 claims description 12
239000004375 Dextrin Substances 0.000 claims description 12
235000019425 dextrin Nutrition 0.000 claims description 12
238000004519 manufacturing process Methods 0.000 claims description 10
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 8
125000000217 alkyl group Chemical group 0.000 claims description 8
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 4
230000029936 alkylation Effects 0.000 claims description 4
238000005804 alkylation reaction Methods 0.000 claims description 4
239000000126 substance Substances 0.000 claims description 3
FRYDSOYOHWGSMD-UHFFFAOYSA-N [C].O Chemical compound [C].O FRYDSOYOHWGSMD-UHFFFAOYSA-N 0.000 claims description 2
239000001569 carbon dioxide Substances 0.000 claims description 2
229910002092 carbon dioxide Inorganic materials 0.000 claims description 2
238000010521 absorption reaction Methods 0.000 claims 1
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 63
235000010980 cellulose Nutrition 0.000 description 47
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 41
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 30
HRYZWHHZPQKTII-UHFFFAOYSA-N chloroethane Chemical compound CCCl HRYZWHHZPQKTII-UHFFFAOYSA-N 0.000 description 24
229960003750 ethyl chloride Drugs 0.000 description 24
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 23
UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 22
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 21
235000011121 sodium hydroxide Nutrition 0.000 description 21
238000002156 mixing Methods 0.000 description 18
238000006243 chemical reaction Methods 0.000 description 12
229910000029 sodium carbonate Inorganic materials 0.000 description 11
239000000203 mixture Substances 0.000 description 10
239000003960 organic solvent Substances 0.000 description 10
229920003086 cellulose ether Polymers 0.000 description 9
239000012467 final product Substances 0.000 description 9
239000007787 solid Substances 0.000 description 9
238000009835 boiling Methods 0.000 description 8
238000002955 isolation Methods 0.000 description 8
238000000926 separation method Methods 0.000 description 8
239000003795 chemical substances by application Substances 0.000 description 6
239000000047 product Substances 0.000 description 6
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical class CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
238000006266 etherification reaction Methods 0.000 description 5
-1 or liohenin Polymers 0.000 description 5
230000009466 transformation Effects 0.000 description 5
235000008429 bread Nutrition 0.000 description 4
125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 4
239000012634 fragment Substances 0.000 description 4
238000010438 heat treatment Methods 0.000 description 4
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
150000001350 alkyl halides Chemical class 0.000 description 3
150000001875 compounds Chemical class 0.000 description 3
239000002904 solvent Substances 0.000 description 3
239000007858 starting material Substances 0.000 description 3
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
229920000297 Rayon Polymers 0.000 description 2
NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 2
239000003085 diluting agent Substances 0.000 description 2
150000002170 ethers Chemical class 0.000 description 2
BDAGIHXWWSANSR-UHFFFAOYSA-N formic acid Substances OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
239000000463 material Substances 0.000 description 2
230000004048 modification Effects 0.000 description 2
238000012986 modification Methods 0.000 description 2
230000003647 oxidation Effects 0.000 description 2
238000007254 oxidation reaction Methods 0.000 description 2
238000002360 preparation method Methods 0.000 description 2
OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
229920001817 Agar Polymers 0.000 description 1
229920002955 Art silk Polymers 0.000 description 1
241000416162 Astragalus gummifer Species 0.000 description 1
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
241000206672 Gelidium Species 0.000 description 1
229920001202 Inulin Polymers 0.000 description 1
229920001615 Tragacanth Polymers 0.000 description 1
229920001938 Vegetable gum Polymers 0.000 description 1
239000002253 acid Substances 0.000 description 1
235000010419 agar Nutrition 0.000 description 1
229920013820 alkyl cellulose Polymers 0.000 description 1
125000005907 alkyl ester group Chemical group 0.000 description 1
150000005215 alkyl ethers Chemical class 0.000 description 1
239000002168 alkylating agent Substances 0.000 description 1
229940100198 alkylating agent Drugs 0.000 description 1
RDHPKYGYEGBMSE-UHFFFAOYSA-N bromoethane Chemical compound CCBr RDHPKYGYEGBMSE-UHFFFAOYSA-N 0.000 description 1
150000001719 carbohydrate derivatives Chemical class 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
239000003054 catalyst Substances 0.000 description 1
238000005119 centrifugation Methods 0.000 description 1
NEHMKBQYUWJMIP-NJFSPNSNSA-N chloro(114C)methane Chemical compound [14CH3]Cl NEHMKBQYUWJMIP-NJFSPNSNSA-N 0.000 description 1
150000001879 copper Chemical class 0.000 description 1
238000000502 dialysis Methods 0.000 description 1
DENRZWYUOJLTMF-UHFFFAOYSA-N diethyl sulfate Chemical compound CCOS(=O)(=O)OCC DENRZWYUOJLTMF-UHFFFAOYSA-N 0.000 description 1
229940008406 diethyl sulfate Drugs 0.000 description 1
VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 description 1
238000004821 distillation Methods 0.000 description 1
238000001035 drying Methods 0.000 description 1
ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 description 1
229920001249 ethyl cellulose Polymers 0.000 description 1
235000019325 ethyl cellulose Nutrition 0.000 description 1
230000006203 ethylation Effects 0.000 description 1
238000006200 ethylation reaction Methods 0.000 description 1
235000019253 formic acid Nutrition 0.000 description 1
150000004677 hydrates Chemical class 0.000 description 1
150000003840 hydrochlorides Chemical class 0.000 description 1
JYJIGFIDKWBXDU-MNNPPOADSA-N inulin Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)OC[C@]1(OC[C@]2(OC[C@]3(OC[C@]4(OC[C@]5(OC[C@]6(OC[C@]7(OC[C@]8(OC[C@]9(OC[C@]%10(OC[C@]%11(OC[C@]%12(OC[C@]%13(OC[C@]%14(OC[C@]%15(OC[C@]%16(OC[C@]%17(OC[C@]%18(OC[C@]%19(OC[C@]%20(OC[C@]%21(OC[C@]%22(OC[C@]%23(OC[C@]%24(OC[C@]%25(OC[C@]%26(OC[C@]%27(OC[C@]%28(OC[C@]%29(OC[C@]%30(OC[C@]%31(OC[C@]%32(OC[C@]%33(OC[C@]%34(OC[C@]%35(OC[C@]%36(O[C@@H]%37[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O%37)O)[C@H]([C@H](O)[C@@H](CO)O%36)O)[C@H]([C@H](O)[C@@H](CO)O%35)O)[C@H]([C@H](O)[C@@H](CO)O%34)O)[C@H]([C@H](O)[C@@H](CO)O%33)O)[C@H]([C@H](O)[C@@H](CO)O%32)O)[C@H]([C@H](O)[C@@H](CO)O%31)O)[C@H]([C@H](O)[C@@H](CO)O%30)O)[C@H]([C@H](O)[C@@H](CO)O%29)O)[C@H]([C@H](O)[C@@H](CO)O%28)O)[C@H]([C@H](O)[C@@H](CO)O%27)O)[C@H]([C@H](O)[C@@H](CO)O%26)O)[C@H]([C@H](O)[C@@H](CO)O%25)O)[C@H]([C@H](O)[C@@H](CO)O%24)O)[C@H]([C@H](O)[C@@H](CO)O%23)O)[C@H]([C@H](O)[C@@H](CO)O%22)O)[C@H]([C@H](O)[C@@H](CO)O%21)O)[C@H]([C@H](O)[C@@H](CO)O%20)O)[C@H]([C@H](O)[C@@H](CO)O%19)O)[C@H]([C@H](O)[C@@H](CO)O%18)O)[C@H]([C@H](O)[C@@H](CO)O%17)O)[C@H]([C@H](O)[C@@H](CO)O%16)O)[C@H]([C@H](O)[C@@H](CO)O%15)O)[C@H]([C@H](O)[C@@H](CO)O%14)O)[C@H]([C@H](O)[C@@H](CO)O%13)O)[C@H]([C@H](O)[C@@H](CO)O%12)O)[C@H]([C@H](O)[C@@H](CO)O%11)O)[C@H]([C@H](O)[C@@H](CO)O%10)O)[C@H]([C@H](O)[C@@H](CO)O9)O)[C@H]([C@H](O)[C@@H](CO)O8)O)[C@H]([C@H](O)[C@@H](CO)O7)O)[C@H]([C@H](O)[C@@H](CO)O6)O)[C@H]([C@H](O)[C@@H](CO)O5)O)[C@H]([C@H](O)[C@@H](CO)O4)O)[C@H]([C@H](O)[C@@H](CO)O3)O)[C@H]([C@H](O)[C@@H](CO)O2)O)[C@@H](O)[C@H](O)[C@@H](CO)O1 JYJIGFIDKWBXDU-MNNPPOADSA-N 0.000 description 1
229940029339 inulin Drugs 0.000 description 1
HVTICUPFWKNHNG-UHFFFAOYSA-N iodoethane Chemical compound CCI HVTICUPFWKNHNG-UHFFFAOYSA-N 0.000 description 1
INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 1
229910052742 iron Inorganic materials 0.000 description 1
159000000014 iron salts Chemical class 0.000 description 1
238000004898 kneading Methods 0.000 description 1
230000007774 longterm Effects 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
229910052752 metalloid Inorganic materials 0.000 description 1
150000002738 metalloids Chemical class 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
229940050176 methyl chloride Drugs 0.000 description 1
150000007522 mineralic acids Chemical class 0.000 description 1
SNMVRZFUUCLYTO-UHFFFAOYSA-N n-propyl chloride Chemical compound CCCCl SNMVRZFUUCLYTO-UHFFFAOYSA-N 0.000 description 1
238000006386 neutralization reaction Methods 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
239000002994 raw material Substances 0.000 description 1
238000010992 reflux Methods 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
238000002791 soaking Methods 0.000 description 1
238000003756 stirring Methods 0.000 description 1
238000003860 storage Methods 0.000 description 1
150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
235000010487 tragacanth Nutrition 0.000 description 1
239000000196 tragacanth Substances 0.000 description 1
229940116362 tragacanth Drugs 0.000 description 1
239000002699 waste material Substances 0.000 description 1
239000012991 xanthate Substances 0.000 description 1