WO2005105927A1 - Verfahren zur herstellung hochreiner azofarbmittel - Google Patents
Verfahren zur herstellung hochreiner azofarbmittel Download PDFInfo
- Publication number
- WO2005105927A1 WO2005105927A1 PCT/EP2005/003597 EP2005003597W WO2005105927A1 WO 2005105927 A1 WO2005105927 A1 WO 2005105927A1 EP 2005003597 W EP2005003597 W EP 2005003597W WO 2005105927 A1 WO2005105927 A1 WO 2005105927A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- azo
- pigments
- microreactor
- amino
- ppm
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000008569 process Effects 0.000 title abstract description 15
- 239000000987 azo dye Substances 0.000 title abstract description 9
- -1 ether alcohols Chemical class 0.000 claims abstract description 31
- 239000000725 suspension Substances 0.000 claims abstract description 23
- 239000012528 membrane Substances 0.000 claims abstract description 21
- 239000002904 solvent Substances 0.000 claims abstract description 21
- 238000006149 azo coupling reaction Methods 0.000 claims abstract description 16
- 238000000746 purification Methods 0.000 claims abstract description 12
- 239000003960 organic solvent Substances 0.000 claims abstract description 10
- 150000001298 alcohols Chemical class 0.000 claims abstract description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000000049 pigment Substances 0.000 claims description 55
- 239000003086 colorant Substances 0.000 claims description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 229910052739 hydrogen Inorganic materials 0.000 claims description 13
- 239000001257 hydrogen Substances 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 13
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 claims description 11
- 229910052736 halogen Inorganic materials 0.000 claims description 11
- 150000002367 halogens Chemical class 0.000 claims description 11
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 10
- 235000007265 Myrrhis odorata Nutrition 0.000 claims description 8
- 235000012550 Pimpinella anisum Nutrition 0.000 claims description 8
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 8
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 6
- 240000009023 Myrrhis odorata Species 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- JWAZRIHNYRIHIV-UHFFFAOYSA-N 2-naphthol Chemical compound C1=CC=CC2=CC(O)=CC=C21 JWAZRIHNYRIHIV-UHFFFAOYSA-N 0.000 claims description 5
- 125000003545 alkoxy group Chemical group 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 4
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- NYGZLYXAPMMJTE-UHFFFAOYSA-M metanil yellow Chemical group [Na+].[O-]S(=O)(=O)C1=CC=CC(N=NC=2C=CC(NC=3C=CC=CC=3)=CC=2)=C1 NYGZLYXAPMMJTE-UHFFFAOYSA-M 0.000 claims description 3
- 239000012465 retentate Substances 0.000 claims description 3
- 125000005153 alkyl sulfamoyl group Chemical group 0.000 claims description 2
- 125000004397 aminosulfonyl group Chemical group NS(=O)(=O)* 0.000 claims description 2
- MYONAGGJKCJOBT-UHFFFAOYSA-N benzimidazol-2-one Chemical compound C1=CC=CC2=NC(=O)N=C21 MYONAGGJKCJOBT-UHFFFAOYSA-N 0.000 claims description 2
- 239000000986 disperse dye Substances 0.000 claims description 2
- 125000001624 naphthyl group Chemical group 0.000 claims description 2
- 229920005597 polymer membrane Polymers 0.000 claims description 2
- 150000002431 hydrogen Chemical class 0.000 claims 3
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 claims 1
- 229940117389 dichlorobenzene Drugs 0.000 claims 1
- 150000001491 aromatic compounds Chemical class 0.000 abstract description 2
- 239000000976 ink Substances 0.000 description 24
- 239000000243 solution Substances 0.000 description 22
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 15
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 11
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 8
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 8
- 239000000376 reactant Substances 0.000 description 8
- 229910052801 chlorine Inorganic materials 0.000 description 7
- 239000000460 chlorine Substances 0.000 description 7
- 238000001514 detection method Methods 0.000 description 7
- 239000012954 diazonium Substances 0.000 description 7
- JFGQHAHJWJBOPD-UHFFFAOYSA-N 3-hydroxy-n-phenylnaphthalene-2-carboxamide Chemical compound OC1=CC2=CC=CC=C2C=C1C(=O)NC1=CC=CC=C1 JFGQHAHJWJBOPD-UHFFFAOYSA-N 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 240000004760 Pimpinella anisum Species 0.000 description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000004040 coloring Methods 0.000 description 6
- 150000001989 diazonium salts Chemical class 0.000 description 6
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000003786 synthesis reaction Methods 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 5
- 239000000872 buffer Substances 0.000 description 5
- 239000007853 buffer solution Substances 0.000 description 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000002243 precursor Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 description 4
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 239000001993 wax Substances 0.000 description 4
- PBKONEOXTCPAFI-UHFFFAOYSA-N 1,2,4-trichlorobenzene Chemical compound ClC1=CC=C(Cl)C(Cl)=C1 PBKONEOXTCPAFI-UHFFFAOYSA-N 0.000 description 3
- KJCVRFUGPWSIIH-UHFFFAOYSA-N 1-naphthol Chemical compound C1=CC=C2C(O)=CC=CC2=C1 KJCVRFUGPWSIIH-UHFFFAOYSA-N 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- VRLPHBSFRWMMPW-UHFFFAOYSA-N 2-amino-4-chloro-5-methylbenzenesulfonic acid Chemical compound CC1=CC(S(O)(=O)=O)=C(N)C=C1Cl VRLPHBSFRWMMPW-UHFFFAOYSA-N 0.000 description 3
- MSXVEPNJUHWQHW-UHFFFAOYSA-N 2-methylbutan-2-ol Chemical compound CCC(C)(C)O MSXVEPNJUHWQHW-UHFFFAOYSA-N 0.000 description 3
- WDJHALXBUFZDSR-UHFFFAOYSA-N Acetoacetic acid Natural products CC(=O)CC(O)=O WDJHALXBUFZDSR-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical class CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 3
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical class CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 3
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000008351 acetate buffer Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 238000010923 batch production Methods 0.000 description 3
- JFDZBHWFFUWGJE-UHFFFAOYSA-N benzonitrile Chemical compound N#CC1=CC=CC=C1 JFDZBHWFFUWGJE-UHFFFAOYSA-N 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000008395 clarifying agent Substances 0.000 description 3
- WOWBFOBYOAGEEA-UHFFFAOYSA-N diafenthiuron Chemical compound CC(C)C1=C(NC(=S)NC(C)(C)C)C(C(C)C)=CC(OC=2C=CC=CC=2)=C1 WOWBFOBYOAGEEA-UHFFFAOYSA-N 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 3
- 229920000126 latex Polymers 0.000 description 3
- VAMXMNNIEUEQDV-UHFFFAOYSA-N methyl anthranilate Chemical class COC(=O)C1=CC=CC=C1N VAMXMNNIEUEQDV-UHFFFAOYSA-N 0.000 description 3
- NQPMHBRLFWMCTR-UHFFFAOYSA-N n-(chloromethoxy)aniline Chemical compound ClCONC1=CC=CC=C1 NQPMHBRLFWMCTR-UHFFFAOYSA-N 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
- AYNNSCRYTDRFCP-UHFFFAOYSA-N triazene Chemical compound NN=N AYNNSCRYTDRFCP-UHFFFAOYSA-N 0.000 description 3
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 3
- GUMCAKKKNKYFEB-UHFFFAOYSA-N 2,4,5-trichloroaniline Chemical compound NC1=CC(Cl)=C(Cl)C=C1Cl GUMCAKKKNKYFEB-UHFFFAOYSA-N 0.000 description 2
- AVYGCQXNNJPXSS-UHFFFAOYSA-N 2,5-dichloroaniline Chemical class NC1=CC(Cl)=CC=C1Cl AVYGCQXNNJPXSS-UHFFFAOYSA-N 0.000 description 2
- VYZCFAPUHSSYCC-UHFFFAOYSA-N 2-amino-5-chloro-4-methylbenzenesulfonic acid Chemical compound CC1=CC(N)=C(S(O)(=O)=O)C=C1Cl VYZCFAPUHSSYCC-UHFFFAOYSA-N 0.000 description 2
- LTPSRQRIPCVMKQ-UHFFFAOYSA-N 2-amino-5-methylbenzenesulfonic acid Chemical compound CC1=CC=C(N)C(S(O)(=O)=O)=C1 LTPSRQRIPCVMKQ-UHFFFAOYSA-N 0.000 description 2
- VKTTYIXIDXWHKW-UHFFFAOYSA-N 2-chloro-5-(trifluoromethyl)aniline Chemical compound NC1=CC(C(F)(F)F)=CC=C1Cl VKTTYIXIDXWHKW-UHFFFAOYSA-N 0.000 description 2
- WFRBDWRZVBPBDO-UHFFFAOYSA-N 2-methyl-2-pentanol Chemical compound CCCC(C)(C)O WFRBDWRZVBPBDO-UHFFFAOYSA-N 0.000 description 2
- DLURHXYXQYMPLT-UHFFFAOYSA-N 2-nitro-p-toluidine Chemical compound CC1=CC=C(N)C([N+]([O-])=O)=C1 DLURHXYXQYMPLT-UHFFFAOYSA-N 0.000 description 2
- ULUIMLJNTCECJU-UHFFFAOYSA-N 3-amino-4-hydroxybenzenesulfonate;hydron Chemical compound NC1=CC(S(O)(=O)=O)=CC=C1O ULUIMLJNTCECJU-UHFFFAOYSA-N 0.000 description 2
- LHMQDVIHBXWNII-UHFFFAOYSA-N 3-amino-4-methoxy-n-phenylbenzamide Chemical compound C1=C(N)C(OC)=CC=C1C(=O)NC1=CC=CC=C1 LHMQDVIHBXWNII-UHFFFAOYSA-N 0.000 description 2
- FRDAATYAJDYRNW-UHFFFAOYSA-N 3-methyl-3-pentanol Chemical compound CCC(C)(O)CC FRDAATYAJDYRNW-UHFFFAOYSA-N 0.000 description 2
- CXNVOWPRHWWCQR-UHFFFAOYSA-N 4-Chloro-ortho-toluidine Chemical class CC1=CC(Cl)=CC=C1N CXNVOWPRHWWCQR-UHFFFAOYSA-N 0.000 description 2
- DSBIJCMXAIKKKI-UHFFFAOYSA-N 5-nitro-o-toluidine Chemical compound CC1=CC=C([N+]([O-])=O)C=C1N DSBIJCMXAIKKKI-UHFFFAOYSA-N 0.000 description 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical class NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- KXDAEFPNCMNJSK-UHFFFAOYSA-N Benzamide Chemical compound NC(=O)C1=CC=CC=C1 KXDAEFPNCMNJSK-UHFFFAOYSA-N 0.000 description 2
- 239000005711 Benzoic acid Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 2
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- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 229920000877 Melamine resin Polymers 0.000 description 2
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
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- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 2
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 description 2
- RWZYAGGXGHYGMB-UHFFFAOYSA-N anthranilic acid Chemical compound NC1=CC=CC=C1C(O)=O RWZYAGGXGHYGMB-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000007900 aqueous suspension Substances 0.000 description 2
- 150000004982 aromatic amines Chemical class 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 235000010233 benzoic acid Nutrition 0.000 description 2
- 235000010290 biphenyl Nutrition 0.000 description 2
- QARVLSVVCXYDNA-UHFFFAOYSA-N bromobenzene Chemical compound BrC1=CC=CC=C1 QARVLSVVCXYDNA-UHFFFAOYSA-N 0.000 description 2
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- NMJJFJNHVMGPGM-UHFFFAOYSA-N butyl formate Chemical compound CCCCOC=O NMJJFJNHVMGPGM-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
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- 238000011026 diafiltration Methods 0.000 description 2
- DSSKDXUDARIMTR-UHFFFAOYSA-N dimethyl 2-aminobenzene-1,4-dicarboxylate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C(N)=C1 DSSKDXUDARIMTR-UHFFFAOYSA-N 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical group C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 2
- MTZQAGJQAFMTAQ-UHFFFAOYSA-N ethyl benzoate Chemical compound CCOC(=O)C1=CC=CC=C1 MTZQAGJQAFMTAQ-UHFFFAOYSA-N 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 238000004128 high performance liquid chromatography Methods 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 230000003165 hydrotropic effect Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000004816 latex Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 239000004530 micro-emulsion Substances 0.000 description 2
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 description 2
- VMPITZXILSNTON-UHFFFAOYSA-N o-anisidine Chemical compound COC1=CC=CC=C1N VMPITZXILSNTON-UHFFFAOYSA-N 0.000 description 2
- RNVCVTLRINQCPJ-UHFFFAOYSA-N o-toluidine Chemical compound CC1=CC=CC=C1N RNVCVTLRINQCPJ-UHFFFAOYSA-N 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
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- FDPIMTJIUBPUKL-UHFFFAOYSA-N pentan-3-one Chemical compound CCC(=O)CC FDPIMTJIUBPUKL-UHFFFAOYSA-N 0.000 description 2
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- 229920002120 photoresistant polymer Polymers 0.000 description 2
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- 229920000098 polyolefin Polymers 0.000 description 2
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- 239000004814 polyurethane Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 235000010288 sodium nitrite Nutrition 0.000 description 2
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- 125000005843 halogen group Chemical group 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
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- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical class CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
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- 150000002739 metals Chemical class 0.000 description 1
- AFVFQIVMOAPDHO-UHFFFAOYSA-N methanesulfonic acid Substances CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 1
- 229940098779 methanesulfonic acid Drugs 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 1
- 229940102398 methyl anthranilate Drugs 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- VMGAPWLDMVPYIA-HIDZBRGKSA-N n'-amino-n-iminomethanimidamide Chemical compound N\N=C\N=N VMGAPWLDMVPYIA-HIDZBRGKSA-N 0.000 description 1
- ORSCIKBWIBQCTR-UHFFFAOYSA-N n,n-dimethylacetamide;urea Chemical class NC(N)=O.CN(C)C(C)=O ORSCIKBWIBQCTR-UHFFFAOYSA-N 0.000 description 1
- 150000004780 naphthols Chemical class 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
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- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-N o-dicarboxybenzene Natural products OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
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- 229920001568 phenolic resin Polymers 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000008363 phosphate buffer Substances 0.000 description 1
- ZFACJPAPCXRZMQ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O.OC(=O)C1=CC=CC=C1C(O)=O ZFACJPAPCXRZMQ-UHFFFAOYSA-N 0.000 description 1
- XUWHAWMETYGRKB-UHFFFAOYSA-N piperidin-2-one Chemical compound O=C1CCCCN1 XUWHAWMETYGRKB-UHFFFAOYSA-N 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
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- 239000011591 potassium Substances 0.000 description 1
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- 239000003755 preservative agent Substances 0.000 description 1
- 150000003142 primary aromatic amines Chemical class 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- NQIWSFLRVNIRJU-UHFFFAOYSA-N propan-2-yl 3-amino-4-methylbenzoate Chemical compound CC(C)OC(=O)C1=CC=C(C)C(N)=C1 NQIWSFLRVNIRJU-UHFFFAOYSA-N 0.000 description 1
- QVGFFXLTLDLWRA-UHFFFAOYSA-N propyl 3-amino-4-methylbenzoate Chemical compound CCCOC(=O)C1=CC=C(C)C(N)=C1 QVGFFXLTLDLWRA-UHFFFAOYSA-N 0.000 description 1
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 1
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- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- WPPDXAHGCGPUPK-UHFFFAOYSA-N red 2 Chemical compound C1=CC=CC=C1C(C1=CC=CC=C11)=C(C=2C=3C4=CC=C5C6=CC=C7C8=C(C=9C=CC=CC=9)C9=CC=CC=C9C(C=9C=CC=CC=9)=C8C8=CC=C(C6=C87)C(C=35)=CC=2)C4=C1C1=CC=CC=C1 WPPDXAHGCGPUPK-UHFFFAOYSA-N 0.000 description 1
- BOLDJAUMGUJJKM-LSDHHAIUSA-N renifolin D Natural products CC(=C)[C@@H]1Cc2c(O)c(O)ccc2[C@H]1CC(=O)c3ccc(O)cc3O BOLDJAUMGUJJKM-LSDHHAIUSA-N 0.000 description 1
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- 239000010703 silicon Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
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- 239000011734 sodium Substances 0.000 description 1
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- 238000009987 spinning Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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- 125000001424 substituent group Chemical group 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
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- 229910052725 zinc Inorganic materials 0.000 description 1
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- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B41/00—Special methods of performing the coupling reaction
- C09B41/006—Special methods of performing the coupling reaction characterised by process features
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B41/00—Special methods of performing the coupling reaction
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0096—Purification; Precipitation; Filtration
Definitions
- azo dyes mean sparingly soluble azo dyes and azo pigments which are produced by means of the azo coupling reaction from a diazonium salt of an aromatic amine and a CH-acidic compound, hereinafter called the coupling component.
- the coupling component a diazonium salt of an aromatic amine and a CH-acidic compound
- they are manufactured conventionally in a batch process.
- a common feature of these processes is the need for precise control and compliance with the process parameters: for example, temperature, time, mixing and colorant concentration, for example the suspension concentration in the case of azo pigments, are decisive for the yield, the coloristic properties and the fastness of the azo colorants obtained and their quality consistency.
- azo colorants Although all process optimization in the synthesis, conventionally produced azo colorants sometimes still contain residual amounts of unreacted starting materials and by-products formed by side reactions. A high chemical purity is required in particular for azo colorants which are used for non-contact printing processes, such as small office / home office printers. For certain applications, e.g. the coloring of consumer goods, there are special limit values for primary aromatic amines, naphthols and triazenes for the colorants used.
- the present invention was based on the object of a technically reliable and cost-effective method for producing azo colorants with a significantly reduced content of undesired secondary components. It has been found that the object of the invention can surprisingly be achieved by combining pigment synthesis using microreaction technology (MRT), solvent washing and membrane purification.
- MRT microreaction technology
- the invention relates to a method for producing high-purity azo colorants, characterized in that
- the azo colorant produced in the microreactor is brought 0 -Etheralkohole and halogenated aromatic compounds at a temperature of 0 to 60 ° C in intensive contact with an organic solvent from the group of C-3-C6-AIkohole, the C 4 -C ⁇ , and
- Step (c) can also be carried out before step (b).
- a microreactor is made up of a plurality of platelets stacked on top of one another and connected to one another, on the surfaces of which there are micromechanically produced structures which, in their interaction, form reaction spaces in order to carry out chemical reactions.
- the flow rates of the material flows are limited in terms of equipment, for example due to the pressures which arise depending on the geometric design of the microreactor. It is desirable for the reaction to proceed to completion in the microreactor, but a residence zone can also follow in order to create a residence time which may be required.
- the flow rates are expediently between 0.05 and 5 l / min, preferably between 0.05 and 500 ml / min, particularly preferably between 0.05 and 250 ml / min, and in particular between 0.1 and 100 ml / min.
- the microreaction system is operated continuously, the amounts of fluid mixed in each case being in the micro ( ⁇ l) to milliliter (ml) range.
- microstructured areas within the reactor are decisive for the production of azo colorants in this microreaction system. These must be selected to be large enough that particulate matter in particular can pass through without problems and so that the channels do not become blocked.
- the smallest clear width of the microstructures should be about ten times larger than the diameter of the largest pigment particles.
- appropriate geometric design must ensure that there are no dead water zones, e.g. Dead ends or sharp corners, in which e.g. Can sediment pigment particles are present. Continuous paths with round corners are therefore preferred.
- the structures must be small enough to take advantage of the inherent advantages of microreaction technology, namely excellent temperature control, laminar flow, diffusive mixing and low internal reaction volume.
- the clear width of the solution- or suspension-carrying channels is expediently 5 to 10000 ⁇ m, preferably 5 to 2000 ⁇ m, particularly preferably 10 to 800 ⁇ m, in particular 20 to 700 ⁇ m.
- the clear width of the heat exchanger channels depends primarily on the clear width of the liquid- or suspension-carrying channels and is expediently less than or equal to 10000 ⁇ m, preferably less than or equal to 2000 ⁇ m, in particular less than or equal to 800 ⁇ m.
- the lower limit of the clear width of the heat exchanger channels is not critical and is limited at most by the pressure increase of the heat exchanger liquid to be pumped and by the need for optimal heat supply or removal.
- the dimensions of the microreaction system used are: Heat exchanger structures: channel width about 600 ⁇ m, channel height: about 250 ⁇ m; Mixer and dwell time: channel width approx. 600 ⁇ m, channel height approx. 500 ⁇ m.
- the microreactor is preferably charged with all heat exchanger fluids and reactants from above.
- the removal of the product and the heat exchanger fluids is preferably also carried out upwards.
- the eventual addition of third and fourth Liquids involved in the reaction are realized via a T-branch located directly in front of the reactor, ie one reactant can be mixed with the buffer solution in advance.
- the required concentrations and flows are preferably checked using precision piston pumps and a computer-controlled control system.
- the reaction temperature is monitored via integrated sensors and monitored and controlled with the help of the regulation and a thermostat / cryostat.
- feedstocks can also be prepared beforehand in micromixers or in upstream mixing zones. Feedstocks can also be metered in downstream mixing zones or in downstream micromixers or reactors.
- the system used here is made of stainless steel; other materials such as glass, ceramics, silicon, plastics or other metals can also be used.
- the diazotization optionally a laking and / or complexing with metal salts can also be carried out in the microreactor. Several of these stages can also be carried out in a corresponding number of microreactors connected in series.
- the process according to the invention is suitable for all sparingly soluble azo colorants which can be prepared by azo coupling reaction, for example for azo pigments from the series of monoazo pigments, disazo pigments, ⁇ -naphthol and naphthol AS pigments, laked azo pigments, benzimidazolone pigments,
- Disazo condensation pigments and metal complex azo pigments and for azo dyes from the series of disperse dyes.
- the process according to the invention also relates to the preparation of precursors of the actual azo colorants by azo coupling reaction.
- precursors for lacquered azo colorants i.e. paintable azo colorants
- Disazo condensation pigments ie monoazo colorants which can be linked via a bifunctional group or, for example, disazo colorants which can be expanded via an acid chloride intermediate, for formazan dyes or others heavy metal-containing azo colorants, for example copper, chromium, nickel or cobalt-containing azo colorants, ie azo colorants complexable with heavy metals.
- the azo colorants which can be prepared by the process according to the invention or the precursors of azo colorants which can be prepared by the process according to the invention are, in the case of azo pigments, in particular C.I. Pigment Yellow 1, 3, 12, 13, 14, 16, 17, 65, 73, 74, 75, 81, 83, 97, 98, 106, 111, 113, 114, 120, 126, 127, 150, 151, 154, 155, 174, 175, 176, 180, 181, 183, 191, 194, 198, 213; Pigment Orange 5, 13, 34, 36, 38, 60, 62, 72, 74; Pigment Red 2, 3, 4, 8, 9, 10, 12, 14, 22, 38, 48: 1-4, 49: 1, 52: 1-2, 53: 1-3, 57: 1, 60, 60: 1, 68, 112, 137, 144, 146, 147, 170, 171, 175, 176, 184, 185, 187, 188, 208, 210, 213, 214, 24
- azo dyes it is in particular C.I. Disperse Yellow 3, 23, 60, 211, 241; Disperse Orange 1: 1, 3, 21, 25, 29, 30, 45, 53, 56, 80, 66, 138, 149; Disperse Red 1, 13, 17, 50, 56, 65, 82, 106, 134, 136, 137, 151, 167, 167: 1, 169, 177, 324, 343, 349, 369, 376; Disperse Blue 79, 102, 125, 130, 165, 165: 1, 165: 2, 287, 319, 367; Disperse Violet 40, 93, 93: 1, 95; Disperse Brown 1, 4; and optionally their precursors, which are produced by azo coupling reaction.
- reactants are expediently in the form of aqueous solutions or
- Suspensions and preferably in stoichiometric / equivalent amounts fed to the microreactor Suspensions and preferably in stoichiometric / equivalent amounts fed to the microreactor.
- the azo coupling reaction is preferably carried out in aqueous solution or suspension, but it is also possible to use organic solvents, if appropriate in a mixture with water, for example alcohols having 1 to 10 carbon atoms, such as, for example, methanol, ethanol, n-propanol, isopropanol, butanols, such as n-butanol, sec-butanol, tert-butanol, pentanols, such as n-pentanol, 2-methyl-2-butanol, hexanols, such as 2-methyl-2-pentanol, 3-methyl-3-pentanol, 2-methyl-2-hexanoI, 3-ethyl-3-pentanol, octanols, such as 2,4, 4-trimethyl-2-pentanol, cyclohexanol; or glycols, such as ethylene glycol, diethylene glycol, propylene glycol, dipropylene
- Glycol ethers such as monoethyl or monoethyl ether of ethylene or propylene glycol, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, butyl glycols or methoxybutanol; Ketones such as acetone, diethyl ketone, methyl isobutyl ketone, methyl ethyl ketone or cyclohexanone; aliphatic acid amides such as formamide, dimethylformamide, N-methylacetamide or N, N-dimethylacetamide; Urea derivatives such as tetramethyl urea; or cyclic carboxamides, such as N-methylpyrrolidone, valero- or caprolactam; Esters, such as C1-C6-carboxylic acid alkyl esters, such as butyl formate, ethyl acetate or propyl propionate; or carboxylic acid
- Phthalic or benzoic acid -CC 6 alkyl esters such as ethyl benzoate; cyclic esters such as caprolactone; Nitriles such as acetonitrile or benzonitrile; aliphatic or aromatic hydrocarbons, such as cyclohexane or benzene; or benzene substituted by alkyl, alkoxy, nitro or halogen, such as toluene, xylenes, ethylbenzene, anisole, nitrobenzene, chlorobenzene, o-dichlorobenzene, 1,2,4-trichlorobenzene or bromobenzene; or other substituted aromatics such as benzoic acid or phenol; aromatic heterocycles such as pyridine, morpholine, picoline or quinoline; and hexamethylphosphoric triamide, 1, 3-dimetyl-2-imidazolidinone, dimethyl sulfoxide and sulfolane
- Diazonium salts of aromatic or heteroaromatic amines such as, for example, aniline, 2-nitroaniline, methyl anthranilate, 2,5-dichloroaniline, 2-methyl-4-chloroaniline, 2-chloroaniline, 2-trifluoromethyl, are used as reactants for the azo coupling reaction.
- azo pigments 4-methyl-2-nitro-phenylamine, 4-chloro-2-nitro-phenylamine, 3,3'-dichlorobiphenyl-4,4'-diamine, S ⁇ '- dimethyl -biphenyM ⁇ '- diamine, 4-methoxy-2-nitro- ⁇ henylamine, 2-methoxy-4-nitro-phenylamine, 4-amino-2,5-dimethoxy-N-phenylbenzenesulfonamide, 5-amino-isophthalic acid dimethyl ester, anthranilic acid , 2-Trifluoromethyl-phenylamine, 2-Amino-terephthalic acid dimethyl ester, 1, 2-Bis- (2-Amino-phenoxy) -ethane, 2-Amino-4-chloro-5-methyl-benzenesulfonic acid, 2-Methoxyphenylamine, 4- ( 4-amino-benzoylamino) benzamide,
- n is a number from 0 to 3 and R 1 is a CrC 4 alkyl group, such as methyl or ethyl; a -CC 4 alkoxy group, such as methoxy or ethoxy; a trifluoromethyl group; a nitro group; a halogen atom such as fluorine, chlorine or bromine; an NHCOCH3 group; a S0 3 H group; a S ⁇ 2 NR 10 R 11 group in which R 10 and R 11 are the same or different and are hydrogen or C ⁇ ⁇ alkyl; a COOR 10 group in which R 10 has the meaning given above; or can be a COONR 12 R 13 group in which R 12 and R 3 independently of one another represent hydrogen, C 1 -C 4 -alkyl or phenyl, the phenyl ring being substituted by two or three identical or different substituents from the group CrC 4 -Alkyl, -CC 4 -alkoxy, trifluoromethyl, nitro
- X represents hydrogen, a COOH group or a group of the general formula (III), (VI) or (VII);
- n and R 1 are as defined above; and R 20 represents hydrogen, methyl or ethyl;
- Q 1 , Q 2 and Q 3 can be the same or different and N, NR 2 , CO, N-CO,
- NR 2 -CO CO-N, CO-NR 2 , CH, N-CH, NR 2 -CH, CH-N, CH-NR 2 , CH 2 , N-CH 2 ,
- NR 2 -CH 2 , CH 2 -N, CH 2 -NR 2 or S0 2 mean, wherein
- R 2 represents a hydrogen atom; for a -CC 4 alkyl group, such as methyl or ethyl; or represents a phenyl group which is unsubstituted or by halogen, C 1 -C 4 -
- Alkyl, -CC 4 alkoxy, trifluoromethyl, nitro, cyano can be substituted one or more times, with the proviso that the combination of Q 1 , Q 2 and Q 3 with the two
- Carbon atoms of the phenyl ring gives a saturated or unsaturated, five or six-membered ring; preferably acetoacetic acid arylides of the general formula (Via) and (Vlla),
- R 1 and n are as defined above and R 20 is hydrogen, methyl or ethyl; and pyrazolones of the general formula (V),
- R 3 is a group CH 3 , COOCH 3 or COOC 2 H 5
- R 4 is a group CH3, S0 3 H or a chlorine atom
- p is a number from 0 to 3, where p> 1 R 4 is the same or different can be.
- X 1 is hydrogen, halogen, in particular chlorine, nitro, carbamoyl, phenylcarbamoyl, sulfamoyl, phenylsulfamoyl or (di) alkylsulfamoyl;
- X 2 is hydrogen or halogen, especially chlorine;
- Y is hydrogen, halogen, in particular chlorine, nitro, C 1 -C 4 alkyl, C 1 -C alkoxy or C 1 -C 4 alkoxycarbonyl; and Z is hydrogen, phenyl, naphthyl, benzimidazolonyl, or phenyl substituted with halogen, in particular chlorine, nitro, C 1 -C 4 -alkyl and / or C 1 -C 8 -alkoxy.
- the auxiliaries used in the conventional processes such as, for example, surfactants, pigmentary and non-pigmentary dispersants, fillers, adjusting agents, resins, waxes, defoamers, anti-dust agents, extenders, colorants for shading, preservatives, drying retardants, additives for controlling the rheology, Wetting agents, antioxidants, UV absorbers, light stabilizers, or a combination thereof can be used.
- the auxiliaries can be added at any time before, during or after the reaction in the microreactor, all at once or in several portions.
- the auxiliaries can be added, for example, directly to the solutions or suspensions of the reactants, but also during the reaction in liquid, dissolved or suspended form.
- the total amount of auxiliaries added can be 0 to 40% by weight, preferably 1 to 30% by weight, particularly preferably 2.5 to 25% by weight, based on the azo colorant.
- Suitable surfactants are anionic or anionic, cationic or cationic and nonionic substances or mixtures of these agents. Examples of surfactants, pigmentary and non-pigmentary dispersants which can be used for the process according to the invention are given in EP-A-1 195 411.
- buffer solutions can also be added, preferably of organic acids and their salts, such as, for example, formic acid / formate buffer, acetic acid / acetate buffer,
- Citric acid / citrate buffer or of inorganic acids and their salts, such as phosphoric acid / phosphate buffer or carbonic acid / bicarbonate or carbonate buffer. It is also possible with the method according to the invention to use the use of more than one diazonium salt and / or more than one coupling component to produce mixtures or else mixed crystals of azo colorants.
- the solvent washing according to the invention comprises the absorption of the azo colorant produced in step (a), either directly from the microreactor or after intermediate insulation, e.g. as a press cake (approx. 5 to 30% by weight solids content), in one of the organic solvents mentioned.
- Preferred solvents are C 3 -C 4 alcohols, glycol ethers and chlorinated benzenes, such as butoxyethanol, ortho-dichlorobenzene, isobutanol, isopropanol, or a mixture thereof. It is also possible to use a pigment suspension treated according to (c).
- the amount of solvent is preferably 1 to 30% by volume, in particular 5 to 15% by volume, based on the volume of the pigment suspension, or 1 to 10 times the amount by weight of solvent, based on the weight of the pigment in the press cake.
- the mixture of pigment suspension or press cake and solvent is preferably at a temperature between 10 ° C and 50 ° C, in particular between 20 ° C and 45 ° C, and preferably for 0.1 to 2 hours, in particular 0.25 to 1 hours, and preferably stirred at normal pressure.
- Ordinary stirrers such as e.g. Laboratory stirrer in question.
- an inline dispersing machine equipped with appropriate dispersing tools, can also be used in the pumping around of the reservoir. Such a dispersing machine firstly ensures intensive mixing of the suspension in the storage vessel, but at the same time it also has a deagglomerating effect, so that any inclusions are exposed.
- the membrane purification according to the invention comprises passing an azo colorant suspension obtained from step (a) or from (b) through a membrane system which is designed in such a way that the azo colorant is retained as completely as possible by the membrane.
- Water or an organic solvent, optionally in a mixture with water, is particularly suitable as the liquid medium.
- the solids concentration in the suspension is advantageously 1 to 10% by weight, preferably 2 to 5% by weight, based on the total weight of the suspension.
- the driving force for the transmembrane mass transfer is a pressure difference between the two sides of the membrane.
- the pressure difference is advantageously 0.5 to 5 bar, preferably 1 to 2 bar.
- the pressure is measured, for example, by suitable pumps, e.g. Piston pumps.
- Static membrane modules such as tube or plate modules, or dynamic membrane modules are preferably used.
- the temperature is advantageously 0 to 100 ° C, in particular 20 to 80 ° C.
- the membrane purification can also be carried out as diafiltration.
- the retentate i.e. the azo colorant is returned to the original container and the water or solvent content is kept constant by water make-up.
- Step (a) significantly reduces the content of anise base and mixed triazenes, ie to below the detection limit of 50 ppm, but mostly more than 100 ppm of free aromatic amine and unreacted coupling component, for example naphthol, are still present.
- Step (b) in combination with step (c) surprisingly brings the free amine and naphthol content below the respective detection limit of 25 ppm and 100 ppm.
- inorganic salts are also retained.
- the secondary component content is determined by customary HPLC methods.
- the high-purity azo colorants produced according to the invention are used in particular for coloring electrophotographic toners and developers, such as One or two component powder toners (also called one or two component developers), magnetic toners, liquid toners, latex toners, polymerization toners and special toners, powder coatings, ink jet inks and color filters as well as colorants for electronic inks ("electronic inks” or " e-inks ”) or” electronic paper “(” e-paper ").
- the invention therefore also relates to a process for coloring electrophotographic toners and developers, characterized in that a high-purity azo colorant prepared in steps (a), (b) and (c) is used in an amount of 0.05 to 30% by weight. %, preferably 0.1 to 15% by weight, based on the total weight of the toner or developer, homogeneously incorporated into a toner binder.
- Typical toner binders are polymerization, polyaddition and polycondensation resins, such as styrene, styrene-acrylate, styrene-butadiene, acrylate, polyester, phenol-epoxy resins, polysulfones, polyurethanes, individually or in combination, and polyethylene and polypropylene, which also contain other ingredients, such as charge control agents, waxes or flow aids, can contain or be modified afterwards with these additives.
- resins such as styrene, styrene-acrylate, styrene-butadiene, acrylate, polyester, phenol-epoxy resins, polysulfones, polyurethanes, individually or in combination, and polyethylene and polypropylene, which also contain other ingredients, such as charge control agents, waxes or flow aids, can contain or be modified afterwards with these additives.
- the invention further relates to a method for coloring ink-jet inks, characterized in that a high-purity azo colorant prepared in steps (a), (b) and (c) is present in an amount of 0.5 to 15% by weight %, preferably 1.5 to 8% by weight, based on the total weight of the inkjet ink, homogeneously incorporated into the ink base.
- Ink-jet inks are those based on water and water, microemulsion inks, UV-curable inks and inks which work according to the hot-melt process.
- the ink base of microemulsion inks is based on organic solvents, water and possibly an additional hydrotropic substance (interface mediator).
- the ink base of solvent-based ink jet inks is based on organic solvents and / or a hydrotropic compound and optionally a carrier material which is soluble in the “solvent”, such as polyolefins, natural and synthetic rubber, polyvinyl chloride, vinyl chloride / vinyl acetate copolymers , Polyvinyl butyrals, wax / latex systems or combinations thereof.
- the ink base of UV-curable inks is based on water, organic solvent, a radiation-curable binder and possibly a photoinitiator.
- the ink base of hot-melt inks is mostly based on waxes, fatty acids, fatty alcohols or sulfonamides which are solid at room temperature and become liquid when heated, the preferred melting range being between about 60 and about 140 ° C.
- a high pigment purity is also a prerequisite for a stable paste or pigmented photoresist.
- the azo colorants produced according to the invention are of course also suitable for coloring natural or synthetic high-molecular organic materials of any kind, such as cellulose ethers and esters, such as ethyl celulose, nitrocellulose, cellulose acetate or cellulose butyrate, natural resins or synthetic resins, such as polymerization resins or condensation resins, for example aminoplasts, in particular urea and melamine-formaldehyde resins, alkyd resins, acrylic resins, phenoplasts, polycarbonates, polyolefins, such as polystyrene, polyvinyl .
- natural resins or synthetic resins such as polymerization resins or condensation resins, for example aminoplasts, in particular urea and melamine-formaldehyde resins, alkyd resins, acrylic resins, phenoplasts, polycarbonates, polyolefins, such as polystyrene, polyvinyl .
- the high-molecular organic compounds mentioned can be present as plastic compositions, casting resins, pastes, melts or in the form of spinning solutions, lacquers, glazes, foams, inks, inks, stains, paints, emulsion paints or printing inks.
- Example 1 C.I. Pigment Red 269
- 2532 g of water are initially introduced and 242 g of 3-amino-4-methoxybenzanilide are first stirred homogeneously at room temperature, precipitated with the addition of hydrochloric acid and cooled to 10 ° C. with 1.5 kg of water / ice.
- the precipitated hydrochloride is diazotized with 138 ml of sodium nitrite solution (40%), an anisbase-diazo solution which can be easily stirred is finally formed. After adding a clarifying agent, this is filtered off in a receptacle. The excess nitrite is removed by adding amidosulfonic acid.
- the anis base diazonium salt solution and the naphthol AS solution are pumped into the respective reactant inputs of the microreactor (type: Cytos from CPC-Systems / Frankfurt) at a flow rate of 8 ml / min.
- the reactant solutions are diluted with an acetic acid / acetate buffer prepared according to a2) shortly before the reactor inputs.
- the buffer solution is also pumped into the feed lines of the microreactor by means of calibrated piston pumps via a T-branch at a flow rate of 6 ml / min.
- a thermostat is connected to the heat exchanger circuit of the microreactor, which sets the desired reaction temperature from 20 ° C to 35 ° C.
- the pigment suspension obtained from the microreactor is mixed with an amount of butoxyethanol such that the entire slurry contains about 10% by volume of butoxyethanol.
- the slurry is stirred at a temperature of about 45 ° C for 30 minutes, filtered off and washed with water. After taking the sample, the colorant-solvent-water suspension is subjected to the following membrane purification.
- a ceramic multi-channel microfiltration membrane with a nominal separation limit of the separation-selective layer of 60 nm and a membrane area of 0.09 m 2 is used.
- About 15 kg of the colorant suspension with a pigment content of about 2% by weight are placed in a temperature-controlled storage container.
- the membrane is subjected to a pressure of about 1.5 bar at ambient temperature on the retentate side.
- the mass of separated permeate is discontinuously replaced by demineralized water.
- the exchange volume ie volume of demineralized water supplied / volume of pigment suspension used
- the permeate flow is approximately 200 l / (m 2 * h * bar).
- the initial chloride ion content is reduced from 2.5% after 10 hours of diafiltration to 920 ppm and the sulfate content from the initial 0.3% to 30 ppm.
- N-methylpyrrolidone added and crushed with ultrasound for 15 min. After adding 20 ml of methanol and grinding again over 15 min
- Table 2 shows a comparison of the typical secondary component contents of the conventional batch pigment with the secondary component contents of
- Table 1 shows the values for the detection limit of the secondary components under consideration.
- Table 2 Comparison of the secondary component contents in the pigment from batch synthesis or microreactor synthesis with subsequent solvent washing and membrane purification.
- Example 2 C.I. Pigment Red 146
- Steps a) - d) were carried out analogously to Example 1.
- the pigment obtained after step c) contained anise base, chloromethoxyaniline,
- Steps a) - d) were carried out analogously to Example 1.
- the pigment obtained after step c) had an anise base, chloromethoxyaniline, anise base triazene and Naphtol AS content below the respective detection limit.
- ATDME dimethyl aminoterephthalate
- the coupler N-acetoacetyl-6-methoxy-7-amino-quinoxaldedione-2,3 suspended in water is only dissolved in situ shortly before the actual coupling.
- a3 Preparation of a buffer for the ATDME diazo solution: 500 g of water are introduced, 432 g of acetic acid and 190 g of sodium hydroxide solution are added, and the temperature is kept at room temperature after the addition of 1 kg of water. Provision of dilute sodium hydroxide solution (0.5 to 5.0 mol / kg) for the azo coupling reaction in the microreactor.
- the ATDME diazo solution and the aqueous coupler suspension are pumped into the respective reactant inputs of the microreactor at a flow rate of 13 ml / min.
- diluted sodium hydroxide solution (3%) is also conveyed into the coupler feed line of the microreactor using a calibrated piston pump via a T-branch.
- the ATDME diazo solution is used shortly before
- Microreactor inputs diluted with an acetic acid / acetate buffer prepared according to a3).
- the buffer solution is also conveyed into the diazo feed line of the microreactor by means of a calibrated piston pump via a T-branch at a flow rate of 4 ml / min.
- a thermostat is connected to the heat exchanger circuit of the microreactor, which sets the desired reaction temperature from 20 ° C to 35 ° C.
- the coupled pigment suspension is collected in a template and isolated.
- Steps b) - d) were carried out analogously to Example 1.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Coloring (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002563811A CA2563811A1 (en) | 2004-04-22 | 2005-04-06 | Process for producing high-purity azo dyes |
US11/578,743 US20070213516A1 (en) | 2004-04-22 | 2005-04-06 | Process For Producing High-Purity Azo Dyes |
EP05730731A EP1740659A1 (de) | 2004-04-22 | 2005-04-06 | Verfahren zur herstellung hochreiner azofarbmittel |
JP2007508753A JP2007533801A (ja) | 2004-04-22 | 2005-04-06 | 高純度アゾ染料の製造方法 |
BRPI0510070-4A BRPI0510070A (pt) | 2004-04-22 | 2005-04-06 | processo para a fabricação de agentes de tingimento azo altamente puros |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102004019561A DE102004019561A1 (de) | 2004-04-22 | 2004-04-22 | Verfahren zur Herstellung hochreiner Azofarbmittel |
DE102004019561.7 | 2004-04-22 |
Publications (1)
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WO2005105927A1 true WO2005105927A1 (de) | 2005-11-10 |
Family
ID=34964062
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PCT/EP2005/003597 WO2005105927A1 (de) | 2004-04-22 | 2005-04-06 | Verfahren zur herstellung hochreiner azofarbmittel |
Country Status (9)
Country | Link |
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US (1) | US20070213516A1 (de) |
EP (1) | EP1740659A1 (de) |
JP (1) | JP2007533801A (de) |
KR (1) | KR20070004870A (de) |
CN (1) | CN1942529A (de) |
BR (1) | BRPI0510070A (de) |
CA (1) | CA2563811A1 (de) |
DE (1) | DE102004019561A1 (de) |
WO (1) | WO2005105927A1 (de) |
Cited By (5)
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WO2009000375A3 (de) * | 2007-06-22 | 2009-05-28 | Clariant Finance Bvi Ltd | Verfahren zur herstellung von reinem c.i. pigment orange 74 |
EP1840172A3 (de) * | 2006-03-22 | 2009-06-24 | FUJIFILM Corporation | Verfahren zur Herstellung von organischen Pigment-Feinpartikeln und daraus gewonnene organische Feinpartikel und ihre Flüssigdispersion |
EP2228410A1 (de) | 2009-03-11 | 2010-09-15 | Clariant International Ltd. | C.I. Pigment Red 112 mit verbesserter Dispergierbarkeit |
DE102009016014B3 (de) * | 2009-04-02 | 2010-09-30 | Sunicon Ag | Verfahren zur Gewinnung von reinem Silizium |
CN105670339A (zh) * | 2016-01-14 | 2016-06-15 | 上虞大新色彩化工有限公司 | 一种c.i.颜料黄12的制备方法 |
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US7563318B1 (en) | 2008-07-02 | 2009-07-21 | Xerox Corporation | Method of making nanoscale particles of AZO pigments in a microreactor or micromixer |
JP2010195909A (ja) * | 2009-02-25 | 2010-09-09 | Toyo Ink Mfg Co Ltd | 顔料組成物およびインクジェット印刷用インキ |
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DE102015211828A1 (de) * | 2015-06-25 | 2016-12-29 | Clariant International Ltd | Naphthol AS-Pigment-Mischungen |
DE102015211829A1 (de) | 2015-06-25 | 2016-12-29 | Clariant International Ltd | Verwendung von neuen Naphthol AS-Pigment-Mischungen in Printing-Materialien |
DE102015211827A1 (de) * | 2015-06-25 | 2016-12-29 | Clariant International Ltd | Neue Naphthol AS-Pigmente |
CN108017930A (zh) * | 2016-11-03 | 2018-05-11 | 吴江山湖颜料有限公司 | 一种食品包装用分散性颜料红及制备方法 |
CN112048215A (zh) * | 2019-06-05 | 2020-12-08 | 株式会社理光 | 墨水以及印刷方法 |
US20230203313A1 (en) * | 2020-06-10 | 2023-06-29 | Röhm Gmbh | Process for colouring a thermoplastic polymer |
CN112426984A (zh) * | 2020-11-16 | 2021-03-02 | 台州智子科技有限公司 | 一种具有竹节状微结构的微反应器 |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1840172A3 (de) * | 2006-03-22 | 2009-06-24 | FUJIFILM Corporation | Verfahren zur Herstellung von organischen Pigment-Feinpartikeln und daraus gewonnene organische Feinpartikel und ihre Flüssigdispersion |
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US8329369B2 (en) | 2007-06-22 | 2012-12-11 | Clariant Finance (Bvi) Limited | Method for the production of pure C.I. pigment orange 74 |
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CN105670339A (zh) * | 2016-01-14 | 2016-06-15 | 上虞大新色彩化工有限公司 | 一种c.i.颜料黄12的制备方法 |
Also Published As
Publication number | Publication date |
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JP2007533801A (ja) | 2007-11-22 |
CN1942529A (zh) | 2007-04-04 |
KR20070004870A (ko) | 2007-01-09 |
CA2563811A1 (en) | 2005-11-10 |
EP1740659A1 (de) | 2007-01-10 |
DE102004019561A1 (de) | 2005-11-10 |
BRPI0510070A (pt) | 2007-10-16 |
US20070213516A1 (en) | 2007-09-13 |
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