BRPI0509877B1 - composição de línteres de algodão bruto aperfeiçoada, processo para preparação da referida composição e para preparação de derivado de éter - Google Patents
composição de línteres de algodão bruto aperfeiçoada, processo para preparação da referida composição e para preparação de derivado de éter Download PDFInfo
- Publication number
- BRPI0509877B1 BRPI0509877B1 BRPI0509877A BRPI0509877A BRPI0509877B1 BR PI0509877 B1 BRPI0509877 B1 BR PI0509877B1 BR PI0509877 A BRPI0509877 A BR PI0509877A BR PI0509877 A BRPI0509877 A BR PI0509877A BR PI0509877 B1 BRPI0509877 B1 BR PI0509877B1
- Authority
- BR
- Brazil
- Prior art keywords
- cellulose
- process according
- group
- raw cotton
- composition
- Prior art date
Links
- 229920000742 Cotton Polymers 0.000 title claims abstract description 149
- 239000000203 mixture Substances 0.000 title claims abstract description 82
- 150000002170 ethers Chemical class 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims description 37
- 238000000034 method Methods 0.000 claims abstract description 77
- 229920003086 cellulose ether Polymers 0.000 claims abstract description 73
- 239000000835 fiber Substances 0.000 claims abstract description 62
- 238000002360 preparation method Methods 0.000 claims abstract description 16
- 229920002678 cellulose Polymers 0.000 claims description 151
- 235000010980 cellulose Nutrition 0.000 claims description 150
- 239000001913 cellulose Substances 0.000 claims description 146
- 230000008569 process Effects 0.000 claims description 56
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 39
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 26
- 238000002156 mixing Methods 0.000 claims description 26
- 238000006467 substitution reaction Methods 0.000 claims description 26
- 125000004432 carbon atom Chemical group C* 0.000 claims description 25
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 23
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 23
- 229940071826 hydroxyethyl cellulose Drugs 0.000 claims description 23
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 23
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 20
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 20
- -1 alkenyl halides Chemical class 0.000 claims description 19
- 239000000047 product Substances 0.000 claims description 19
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 claims description 18
- 239000003795 chemical substances by application Substances 0.000 claims description 18
- 239000001863 hydroxypropyl cellulose Substances 0.000 claims description 18
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 claims description 18
- 229940071676 hydroxypropylcellulose Drugs 0.000 claims description 18
- 239000002585 base Substances 0.000 claims description 16
- 239000003153 chemical reaction reagent Substances 0.000 claims description 16
- 229920000896 Ethulose Polymers 0.000 claims description 15
- 239000001859 Ethyl hydroxyethyl cellulose Substances 0.000 claims description 15
- 235000019326 ethyl hydroxyethyl cellulose Nutrition 0.000 claims description 15
- 229920001479 Hydroxyethyl methyl cellulose Polymers 0.000 claims description 14
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 14
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 14
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 14
- GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 claims description 13
- 125000001165 hydrophobic group Chemical group 0.000 claims description 13
- 229920000609 methyl cellulose Polymers 0.000 claims description 13
- 239000001923 methylcellulose Substances 0.000 claims description 13
- 235000010981 methylcellulose Nutrition 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 11
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 claims description 10
- 239000003085 diluting agent Substances 0.000 claims description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 9
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 9
- 239000001856 Ethyl cellulose Substances 0.000 claims description 8
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims description 8
- 239000007858 starting material Substances 0.000 claims description 8
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 7
- 125000000217 alkyl group Chemical group 0.000 claims description 7
- 229920001249 ethyl cellulose Polymers 0.000 claims description 7
- 235000019325 ethyl cellulose Nutrition 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 7
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- 125000002091 cationic group Chemical group 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 230000002209 hydrophobic effect Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims description 4
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 4
- 125000003118 aryl group Chemical group 0.000 claims description 4
- 229920003090 carboxymethyl hydroxyethyl cellulose Polymers 0.000 claims description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- CUAUFDADUAKJPV-UHFFFAOYSA-M [Cl-].CCC[N+](C)(C)CCC1CO1 Chemical compound [Cl-].CCC[N+](C)(C)CCC1CO1 CUAUFDADUAKJPV-UHFFFAOYSA-M 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 3
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- 125000005010 perfluoroalkyl group Chemical group 0.000 claims description 3
- YSUQLAYJZDEMOT-UHFFFAOYSA-N 2-(butoxymethyl)oxirane Chemical compound CCCCOCC1CO1 YSUQLAYJZDEMOT-UHFFFAOYSA-N 0.000 claims description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 2
- 125000002877 alkyl aryl group Chemical group 0.000 claims description 2
- 150000001350 alkyl halides Chemical class 0.000 claims description 2
- 125000002947 alkylene group Chemical group 0.000 claims description 2
- 239000000908 ammonium hydroxide Substances 0.000 claims description 2
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 claims description 2
- 229910001863 barium hydroxide Inorganic materials 0.000 claims description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 2
- 239000000920 calcium hydroxide Substances 0.000 claims description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 2
- HRYZWHHZPQKTII-UHFFFAOYSA-N chloroethane Chemical compound CCCl HRYZWHHZPQKTII-UHFFFAOYSA-N 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical class C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 claims description 2
- WHGNXNCOTZPEEK-UHFFFAOYSA-N dimethoxy-methyl-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](C)(OC)CCCOCC1CO1 WHGNXNCOTZPEEK-UHFFFAOYSA-N 0.000 claims description 2
- 230000002255 enzymatic effect Effects 0.000 claims description 2
- 229960003750 ethyl chloride Drugs 0.000 claims description 2
- 238000003801 milling Methods 0.000 claims description 2
- 150000007530 organic bases Chemical class 0.000 claims description 2
- SHHGHQXPESZCQA-UHFFFAOYSA-N oxiran-2-ylmethylsilicon Chemical compound [Si]CC1CO1 SHHGHQXPESZCQA-UHFFFAOYSA-N 0.000 claims description 2
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical group CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 claims description 2
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical class OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 claims description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 3
- 239000008186 active pharmaceutical agent Substances 0.000 claims 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims 2
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 claims 2
- 235000011114 ammonium hydroxide Nutrition 0.000 claims 2
- 239000003638 chemical reducing agent Substances 0.000 claims 2
- 239000012467 final product Substances 0.000 claims 2
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 2
- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims 2
- 125000006850 spacer group Chemical group 0.000 claims 2
- 150000001412 amines Chemical class 0.000 claims 1
- NEHMKBQYUWJMIP-NJFSPNSNSA-N chloro(114C)methane Chemical compound [14CH3]Cl NEHMKBQYUWJMIP-NJFSPNSNSA-N 0.000 claims 1
- GAURFLBIDLSLQU-UHFFFAOYSA-N diethoxy(methyl)silicon Chemical compound CCO[Si](C)OCC GAURFLBIDLSLQU-UHFFFAOYSA-N 0.000 claims 1
- 229940117927 ethylene oxide Drugs 0.000 claims 1
- 229910052736 halogen Inorganic materials 0.000 claims 1
- 150000002367 halogens Chemical class 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 125000001453 quaternary ammonium group Chemical group 0.000 claims 1
- 239000003507 refrigerant Substances 0.000 claims 1
- 239000002002 slurry Substances 0.000 description 49
- 239000000243 solution Substances 0.000 description 35
- 210000002105 tongue Anatomy 0.000 description 25
- 238000005520 cutting process Methods 0.000 description 24
- 229920003043 Cellulose fiber Polymers 0.000 description 21
- 229920001131 Pulp (paper) Polymers 0.000 description 14
- 229940105329 carboxymethylcellulose Drugs 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 12
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 11
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 10
- 238000013459 approach Methods 0.000 description 9
- 238000000746 purification Methods 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- 238000011282 treatment Methods 0.000 description 7
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 6
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- 230000008901 benefit Effects 0.000 description 6
- 238000009826 distribution Methods 0.000 description 6
- 238000006266 etherification reaction Methods 0.000 description 6
- 239000004615 ingredient Substances 0.000 description 6
- 238000011068 loading method Methods 0.000 description 6
- 229940050176 methyl chloride Drugs 0.000 description 6
- 235000019198 oils Nutrition 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- 239000011541 reaction mixture Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 5
- 238000004132 cross linking Methods 0.000 description 5
- 238000006731 degradation reaction Methods 0.000 description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 239000002023 wood Substances 0.000 description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 230000004913 activation Effects 0.000 description 4
- 239000012298 atmosphere Substances 0.000 description 4
- 239000003518 caustics Substances 0.000 description 4
- 235000012343 cottonseed oil Nutrition 0.000 description 4
- 238000001212 derivatisation Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- TWNIBLMWSKIRAT-VFUOTHLCSA-N levoglucosan Chemical group O[C@@H]1[C@@H](O)[C@H](O)[C@H]2CO[C@@H]1O2 TWNIBLMWSKIRAT-VFUOTHLCSA-N 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 230000004580 weight loss Effects 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 238000013019 agitation Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000010960 commercial process Methods 0.000 description 3
- 238000007046 ethoxylation reaction Methods 0.000 description 3
- 239000002657 fibrous material Substances 0.000 description 3
- 229920001519 homopolymer Polymers 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000009257 reactivity Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 101000607909 Homo sapiens Ubiquitin carboxyl-terminal hydrolase 1 Proteins 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- 229930040373 Paraformaldehyde Natural products 0.000 description 2
- 102100039865 Ubiquitin carboxyl-terminal hydrolase 1 Human genes 0.000 description 2
- 229960000583 acetic acid Drugs 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- 239000003431 cross linking reagent Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 125000001033 ether group Chemical group 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 239000012362 glacial acetic acid Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 229920002866 paraformaldehyde Polymers 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000010561 standard procedure Methods 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229920003169 water-soluble polymer Polymers 0.000 description 2
- 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 1
- ZTVIKZXZYLEVOL-DGKWVBSXSA-N 2-hydroxy-2-phenylacetic acid [(1R,5S)-8-methyl-8-azabicyclo[3.2.1]octan-3-yl] ester Chemical group C([C@H]1CC[C@@H](C2)N1C)C2OC(=O)C(O)C1=CC=CC=C1 ZTVIKZXZYLEVOL-DGKWVBSXSA-N 0.000 description 1
- 241000157282 Aesculus Species 0.000 description 1
- 239000004971 Cross linker Substances 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical class CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- 241000282341 Mustela putorius furo Species 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229920013820 alkyl cellulose Polymers 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
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- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical class OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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- 238000000605 extraction Methods 0.000 description 1
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- 229910001507 metal halide Inorganic materials 0.000 description 1
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- 229920003087 methylethyl cellulose Polymers 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
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- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 1
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- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
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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
- C08B11/193—Mixed ethers, i.e. ethers with two or more different etherifying groups
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
-
- 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
-
- 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
-
- 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
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
- D10B2201/02—Cotton
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Paper (AREA)
- Preliminary Treatment Of Fibers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2005/011373 WO2006107294A1 (en) | 2005-04-04 | 2005-04-04 | Raw cotton linters composition, method of making and uses thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BRPI0509877A BRPI0509877A (pt) | 2007-10-16 |
| BRPI0509877B1 true BRPI0509877B1 (pt) | 2015-11-24 |
Family
ID=35219332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0509877A BRPI0509877B1 (pt) | 2005-04-04 | 2005-04-04 | composição de línteres de algodão bruto aperfeiçoada, processo para preparação da referida composição e para preparação de derivado de éter |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP1866341B1 (enExample) |
| JP (1) | JP5084719B2 (enExample) |
| KR (1) | KR101179834B1 (enExample) |
| CN (1) | CN1968966B (enExample) |
| BR (1) | BRPI0509877B1 (enExample) |
| MX (1) | MXPA06011797A (enExample) |
| WO (1) | WO2006107294A1 (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080262216A1 (en) * | 2007-04-20 | 2008-10-23 | Shin-Etsu Chemical Co., Ltd. | Hydroxyalkyl methylcellulose having solubility and thermoreversible gelation properties improved |
| JP5452154B2 (ja) * | 2009-09-30 | 2014-03-26 | 大王製紙株式会社 | 家庭用薄葉紙の製造方法 |
| JP6163339B2 (ja) * | 2012-05-16 | 2017-07-12 | 花王株式会社 | セルロースエーテルの製造方法 |
| CN109790226B (zh) * | 2016-09-29 | 2022-05-03 | 住友精化株式会社 | 水溶性羟乙基纤维素的制造方法 |
| US11365266B2 (en) * | 2017-03-29 | 2022-06-21 | Shin-Etsu Chemical Co., Ltd. | Method for producing cellulose ether |
| CN108265540A (zh) * | 2018-03-05 | 2018-07-10 | 安徽工业大学 | 一种液氮耦合水热预处理提取生物质中木质素的方法 |
| CN108457111A (zh) * | 2018-03-05 | 2018-08-28 | 安徽工业大学 | 一种液氮耦合氨气爆破预处理生物质的方法 |
| AT522564B1 (de) * | 2020-01-10 | 2020-12-15 | Oesterreichische Vialit Ges M B H | Bindemittelemulsion mit einem Faserfüllstoff |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2663907A (en) * | 1949-02-14 | 1953-12-29 | British Celanese | Converting fibrous cellulose into an easily powderable form |
| JPH07119241B2 (ja) * | 1989-11-02 | 1995-12-20 | 信越化学工業株式会社 | 高重合度セルロースエーテルの製造方法 |
| CN1206563A (zh) * | 1997-07-28 | 1999-02-03 | 鞠馥阳 | 用植物棉生产工业级及食用级羧甲基纤维素纳的工艺 |
| US6174412B1 (en) * | 1998-03-02 | 2001-01-16 | Purely Cotton, Inc. | Cotton linter tissue products and method for preparing same |
-
2005
- 2005-04-04 CN CN2005800192212A patent/CN1968966B/zh not_active Expired - Lifetime
- 2005-04-04 BR BRPI0509877A patent/BRPI0509877B1/pt active IP Right Grant
- 2005-04-04 MX MXPA06011797A patent/MXPA06011797A/es active IP Right Grant
- 2005-04-04 KR KR1020067021813A patent/KR101179834B1/ko not_active Expired - Lifetime
- 2005-04-04 EP EP05733920.2A patent/EP1866341B1/en not_active Expired - Lifetime
- 2005-04-04 JP JP2008504004A patent/JP5084719B2/ja not_active Expired - Lifetime
- 2005-04-04 WO PCT/US2005/011373 patent/WO2006107294A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| KR101179834B1 (ko) | 2012-09-04 |
| CN1968966B (zh) | 2012-07-04 |
| EP1866341B1 (en) | 2016-10-12 |
| EP1866341A1 (en) | 2007-12-19 |
| MXPA06011797A (es) | 2007-03-23 |
| JP2008534735A (ja) | 2008-08-28 |
| CN1968966A (zh) | 2007-05-23 |
| WO2006107294A1 (en) | 2006-10-12 |
| JP5084719B2 (ja) | 2012-11-28 |
| KR20080005834A (ko) | 2008-01-15 |
| BRPI0509877A (pt) | 2007-10-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B06A | Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette] | ||
| B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
| B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
| B16A | Patent or certificate of addition of invention granted |
Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 24/11/2015, OBSERVADAS AS CONDICOES LEGAIS. |