BE382056A - - Google Patents
Info
- Publication number
- BE382056A BE382056A BE382056DA BE382056A BE 382056 A BE382056 A BE 382056A BE 382056D A BE382056D A BE 382056DA BE 382056 A BE382056 A BE 382056A
- Authority
- BE
- Belgium
- Prior art keywords
- cellulose
- solution
- caustic soda
- alkali
- oxide
- Prior art date
Links
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 438
- 229920002678 cellulose Polymers 0.000 claims description 225
- 239000001913 cellulose Substances 0.000 claims description 220
- RTZKZFJDLAIYFH-UHFFFAOYSA-N diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 176
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 146
- IAYPIBMASNFSPL-UHFFFAOYSA-N oxane Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 114
- 239000000047 product Substances 0.000 claims description 98
- 239000003513 alkali Substances 0.000 claims description 93
- 238000000034 method Methods 0.000 claims description 73
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 68
- 238000006243 chemical reaction Methods 0.000 claims description 54
- 239000003518 caustics Substances 0.000 claims description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 51
- 150000002170 ethers Chemical class 0.000 claims description 44
- 239000007795 chemical reaction product Substances 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 28
- 150000001720 carbohydrates Chemical class 0.000 claims description 27
- 235000014633 carbohydrates Nutrition 0.000 claims description 27
- 239000000203 mixture Substances 0.000 claims description 27
- 238000007710 freezing Methods 0.000 claims description 23
- 235000011118 potassium hydroxide Nutrition 0.000 claims description 23
- -1 cellulose Chemical class 0.000 claims description 21
- 239000005977 Ethylene Substances 0.000 claims description 18
- 239000002253 acid Substances 0.000 claims description 17
- 150000001336 alkenes Chemical class 0.000 claims description 17
- VGGSQFUCUMXWEO-UHFFFAOYSA-N ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 16
- 239000000126 substance Substances 0.000 claims description 16
- KEAYESYHFKHZAL-UHFFFAOYSA-N sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 claims description 14
- 239000011734 sodium Substances 0.000 claims description 14
- 229910052708 sodium Inorganic materials 0.000 claims description 14
- 229920003086 cellulose ether Polymers 0.000 claims description 9
- SSZWWUDQMAHNAQ-UHFFFAOYSA-N 3-MCPD Chemical compound OCC(O)CCl SSZWWUDQMAHNAQ-UHFFFAOYSA-N 0.000 claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N HCl Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 7
- 235000011187 glycerol Nutrition 0.000 claims description 7
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 7
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000005755 formation reaction Methods 0.000 claims description 5
- 150000003944 halohydrins Chemical class 0.000 claims description 5
- 239000003153 chemical reaction reagent Substances 0.000 claims description 4
- 230000015271 coagulation Effects 0.000 claims description 4
- 238000005345 coagulation Methods 0.000 claims description 4
- 239000003960 organic solvent Substances 0.000 claims description 4
- BEJQXBXPRXFJDP-UHFFFAOYSA-N 3-(3,3-dihydroxypropoxy)propane-1,1-diol Chemical compound OC(O)CCOCCC(O)O BEJQXBXPRXFJDP-UHFFFAOYSA-N 0.000 claims description 3
- 238000009835 boiling Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 230000002829 reduced Effects 0.000 claims description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 2
- 229920003043 Cellulose fiber Polymers 0.000 claims 1
- QDRKDTQENPPHOJ-UHFFFAOYSA-N Sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 235000019503 curry powder Nutrition 0.000 claims 1
- RAHHITDKGXOSCO-UHFFFAOYSA-N ethene;hydrochloride Chemical compound Cl.C=C RAHHITDKGXOSCO-UHFFFAOYSA-N 0.000 claims 1
- 229940072033 potash Drugs 0.000 claims 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims 1
- 235000015320 potassium carbonate Nutrition 0.000 claims 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims 1
- PHYFQTYBJUILEZ-IUPFWZBJSA-N triolein Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CCCCCCCC)COC(=O)CCCCCCC\C=C/CCCCCCCC PHYFQTYBJUILEZ-IUPFWZBJSA-N 0.000 claims 1
- 239000000243 solution Substances 0.000 description 203
- 235000010980 cellulose Nutrition 0.000 description 173
- 150000001875 compounds Chemical class 0.000 description 68
- 229920001098 polystyrene-block-poly(ethylene/propylene) Polymers 0.000 description 63
- 238000004519 manufacturing process Methods 0.000 description 27
- 238000006266 etherification reaction Methods 0.000 description 21
- 238000005057 refrigeration Methods 0.000 description 20
- 229920001131 Pulp (paper) Polymers 0.000 description 17
- GOOHAUXETOMSMM-UHFFFAOYSA-N propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 13
- 229920002472 Starch Polymers 0.000 description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 12
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 12
- 239000003795 chemical substances by application Substances 0.000 description 12
- 235000019698 starch Nutrition 0.000 description 12
- 239000011780 sodium chloride Substances 0.000 description 11
- SZIFAVKTNFCBPC-UHFFFAOYSA-N 2-Chloroethanol Chemical compound OCCCl SZIFAVKTNFCBPC-UHFFFAOYSA-N 0.000 description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N glycol Chemical group OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 10
- 239000008107 starch Substances 0.000 description 10
- 229920000297 Rayon Polymers 0.000 description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 9
- 235000019441 ethanol Nutrition 0.000 description 9
- 230000032683 aging Effects 0.000 description 8
- 239000000835 fiber Substances 0.000 description 8
- 150000003254 radicals Chemical class 0.000 description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- 238000005406 washing Methods 0.000 description 8
- XENVCRGQTABGKY-ZHACJKMWSA-N Chlorohydrin Chemical compound CC#CC#CC#CC#C\C=C\C(Cl)CO XENVCRGQTABGKY-ZHACJKMWSA-N 0.000 description 7
- 230000000875 corresponding Effects 0.000 description 7
- 238000004090 dissolution Methods 0.000 description 7
- 150000003839 salts Chemical class 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- 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 6
- 238000010521 absorption reaction Methods 0.000 description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 239000008103 glucose Substances 0.000 description 6
- 150000003840 hydrochlorides Chemical class 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- WQZGKKKJIJFFOK-VFUOTHLCSA-N β-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-N Carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 5
- JSPLKZUTYZBBKA-UHFFFAOYSA-N Trioxidane Chemical class OOO JSPLKZUTYZBBKA-UHFFFAOYSA-N 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 5
- 239000003292 glue Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- MTHSVFCYNBDYFN-UHFFFAOYSA-N Diethylene glycol Chemical class OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 238000005119 centrifugation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 238000005517 mercerization Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 229920002955 Art silk Polymers 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 3
- CZMRCDWAGMRECN-UGDNZRGBSA-N D-sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 3
- 229960004793 Sucrose Drugs 0.000 description 3
- 238000007792 addition Methods 0.000 description 3
- 238000004061 bleaching Methods 0.000 description 3
- 238000003763 carbonization Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 230000001112 coagulant Effects 0.000 description 3
- 230000004059 degradation Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000000502 dialysis Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L na2so4 Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
- 230000001264 neutralization Effects 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- VMHLLURERBWHNL-UHFFFAOYSA-M sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 3
- 239000001632 sodium acetate Substances 0.000 description 3
- 235000017281 sodium acetate Nutrition 0.000 description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 description 3
- 235000011152 sodium sulphate Nutrition 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 235000000346 sugar Nutrition 0.000 description 3
- 150000008163 sugars Chemical class 0.000 description 3
- UHIWBQIWXWWDKT-MRVPVSSYSA-N (4S)-4-hydroxy-2-(3-methoxypropyl)-1,1-dioxo-3,4-dihydrothieno[3,2-e]thiazine-6-sulfonamide Chemical compound O=S1(=O)N(CCCOC)C[C@@H](O)C2=C1SC(S(N)(=O)=O)=C2 UHIWBQIWXWWDKT-MRVPVSSYSA-N 0.000 description 2
- VZIQXGLTRZLBEX-UHFFFAOYSA-N 2-Chloro-1-propanol Chemical compound CC(Cl)CO VZIQXGLTRZLBEX-UHFFFAOYSA-N 0.000 description 2
- BKOOMYPCSUNDGP-UHFFFAOYSA-N 2-Methyl-2-butene Chemical group CC=C(C)C BKOOMYPCSUNDGP-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 150000001719 carbohydrate derivatives Chemical class 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000005591 charge neutralization Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000003247 decreasing Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 235000001727 glucose Nutrition 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000004677 hydrates Chemical class 0.000 description 2
- 125000004435 hydrogen atoms Chemical group [H]* 0.000 description 2
- 239000002198 insoluble material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L mgso4 Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000036961 partial Effects 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000001376 precipitating Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000001105 regulatory Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- PASDCCFISLVPSO-UHFFFAOYSA-N Benzoyl chloride Chemical compound ClC(=O)C1=CC=CC=C1 PASDCCFISLVPSO-UHFFFAOYSA-N 0.000 description 1
- 229920002261 Corn starch Polymers 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N Dipropylene glycol Chemical group OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- 210000001513 Elbow Anatomy 0.000 description 1
- 241001331845 Equus asinus x caballus Species 0.000 description 1
- 210000003734 Kidney Anatomy 0.000 description 1
- 241001420805 Phyle Species 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N Sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L Zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- FRYDSOYOHWGSMD-UHFFFAOYSA-N [C].O Chemical class [C].O FRYDSOYOHWGSMD-UHFFFAOYSA-N 0.000 description 1
- NCHKQAUMHXIDDC-UHFFFAOYSA-N [OH+](CC(O)CO)[O-] Chemical compound [OH+](CC(O)CO)[O-] NCHKQAUMHXIDDC-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 125000004432 carbon atoms Chemical group C* 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 235000013351 cheese Nutrition 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000012084 conversion product Substances 0.000 description 1
- 239000008120 corn starch Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000003009 desulfurizing Effects 0.000 description 1
- 230000001627 detrimental Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- IMROMDMJAWUWLK-UHFFFAOYSA-N ethenol Chemical group OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 1
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable Effects 0.000 description 1
- 239000002421 finishing Substances 0.000 description 1
- 150000004676 glycans Polymers 0.000 description 1
- 125000003827 glycol group Chemical group 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- TUJKJAMUKRIRHC-UHFFFAOYSA-N hydroxyl radical Chemical compound [OH] TUJKJAMUKRIRHC-UHFFFAOYSA-N 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000003472 neutralizing Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 125000004430 oxygen atoms Chemical group O* 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 150000004804 polysaccharides Polymers 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002987 primer (paints) Substances 0.000 description 1
- NQCBIMOYRRMVNA-UHFFFAOYSA-N propane-1,2,3-triol;hydrochloride Chemical class Cl.OCC(O)CO NQCBIMOYRRMVNA-UHFFFAOYSA-N 0.000 description 1
- 239000011814 protection agent Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 230000001340 slower Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 230000002269 spontaneous Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 101710015013 traJ Proteins 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000011686 zinc sulphate Substances 0.000 description 1
- 235000009529 zinc sulphate Nutrition 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
- C08B11/02—Alkyl or cycloalkyl ethers
- C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
- C08B11/08—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals with hydroxylated hydrocarbon radicals; Esters, ethers, or acetals thereof
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 |
|---|---|
| BE382056A true BE382056A (pt) |
Family
ID=51508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE382056D BE382056A (pt) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE382056A (pt) |
-
0
- BE BE382056D patent/BE382056A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US1914172A (en) | Manufacture of ether derivatives of carbohydrates like cellulose | |
| JP3251021B2 (ja) | 反応性セルロース及びその製造方法 | |
| EP0215082B1 (fr) | Procede pour la preparation de solutions d'un materiau ligno-cellulosique et solutions obtenues | |
| BE382056A (pt) | ||
| US2847411A (en) | Process for producing hydroxyethoxycellulose | |
| CH165817A (fr) | Procédé pour la fabrication d'un éther hydroxyéthylique de cellulose. | |
| KR100472384B1 (ko) | 콜드 패드 배치법에 의한 셀룰로오스 섬유의 제조방법 | |
| US1941276A (en) | Manufacture of ether derivatives of carbohydrates like cellulose | |
| BE414712A (pt) | ||
| CH172256A (fr) | Procédé pour la fabrication d'un éther hydroxypropylique de la cellulose. | |
| CH165819A (fr) | Procédé pour augmenter la solubilité d'éthers hydroxyalphyliques de cellulose. | |
| BE424105A (pt) | ||
| BE372751A (pt) | ||
| BE430054A (pt) | ||
| BE407262A (pt) | ||
| CH172255A (fr) | Procédé pour la fabrication d'un éther hydroxypropylique de la cellulose. | |
| BE406905A (pt) | ||
| US3298844A (en) | Process for regenerating cellulose monothiolcarbonate solution | |
| BE458917A (pt) | ||
| BE535665A (pt) | ||
| CH166400A (fr) | Procédé pour la fabrication d'un éther hydroxyéthylique de cellulose. | |
| BE506786A (pt) | ||
| BE450042A (pt) | ||
| BE407685A (pt) | ||
| BE492018A (pt) |