WO2012023615A1 - クロマト用微粒子及びそれを用いるクロマトグラフィー - Google Patents
クロマト用微粒子及びそれを用いるクロマトグラフィー Download PDFInfo
- Publication number
- WO2012023615A1 WO2012023615A1 PCT/JP2011/068795 JP2011068795W WO2012023615A1 WO 2012023615 A1 WO2012023615 A1 WO 2012023615A1 JP 2011068795 W JP2011068795 W JP 2011068795W WO 2012023615 A1 WO2012023615 A1 WO 2012023615A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- group
- column
- chromatography
- carbon atoms
- chromatogram
- Prior art date
Links
- 238000004587 chromatography analysis Methods 0.000 title claims abstract description 47
- 239000010419 fine particle Substances 0.000 title claims abstract description 32
- 239000002245 particle Substances 0.000 claims abstract description 153
- 239000007787 solid Substances 0.000 claims abstract description 73
- 229920000642 polymer Polymers 0.000 claims abstract description 42
- 229920000578 graft copolymer Polymers 0.000 claims abstract description 41
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 18
- 238000009826 distribution Methods 0.000 claims abstract description 18
- 238000006116 polymerization reaction Methods 0.000 claims description 58
- 125000004432 carbon atom Chemical group C* 0.000 claims description 56
- 230000000977 initiatory effect Effects 0.000 claims description 53
- 238000004808 supercritical fluid chromatography Methods 0.000 claims description 51
- 125000000217 alkyl group Chemical group 0.000 claims description 49
- -1 Cyano, amino Chemical group 0.000 claims description 44
- 238000000926 separation method Methods 0.000 claims description 27
- 239000012530 fluid Substances 0.000 claims description 20
- 239000011148 porous material Substances 0.000 claims description 19
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 18
- 125000001424 substituent group Chemical group 0.000 claims description 15
- 239000003960 organic solvent Substances 0.000 claims description 13
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 12
- 239000000203 mixture Substances 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
- 125000005037 alkyl phenyl group Chemical group 0.000 claims description 9
- 239000001569 carbon dioxide Substances 0.000 claims description 9
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 9
- 125000003545 alkoxy group Chemical group 0.000 claims description 8
- 150000002430 hydrocarbons Chemical class 0.000 claims description 8
- 238000004381 surface treatment Methods 0.000 claims description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 7
- 229930195734 saturated hydrocarbon Natural products 0.000 claims description 7
- 125000003668 acetyloxy group Chemical group [H]C([H])([H])C(=O)O[*] 0.000 claims description 6
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 6
- 125000004663 dialkyl amino group Chemical group 0.000 claims description 6
- 125000003884 phenylalkyl group Chemical group 0.000 claims description 6
- 229920006395 saturated elastomer Polymers 0.000 claims description 6
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 claims description 6
- 238000004809 thin layer chromatography Methods 0.000 claims description 6
- 229930195735 unsaturated hydrocarbon Natural products 0.000 claims description 6
- 239000000654 additive Substances 0.000 claims description 5
- 125000001624 naphthyl group Chemical group 0.000 claims description 5
- 239000004215 Carbon black (E152) Substances 0.000 claims description 4
- 230000000996 additive effect Effects 0.000 claims description 4
- 229930195733 hydrocarbon Natural products 0.000 claims description 4
- 238000004811 liquid chromatography Methods 0.000 claims description 4
- 125000005208 trialkylammonium group Chemical group 0.000 claims description 4
- 125000003368 amide group Chemical group 0.000 claims description 3
- 125000003277 amino group Chemical group 0.000 claims description 3
- 238000004817 gas chromatography Methods 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 239000012046 mixed solvent Substances 0.000 claims description 3
- 125000001326 naphthylalkyl group Chemical group 0.000 claims description 3
- 125000002560 nitrile group Chemical group 0.000 claims description 3
- 125000004076 pyridyl group Chemical group 0.000 claims description 3
- 150000003384 small molecules Chemical class 0.000 claims description 3
- 150000002367 halogens Chemical class 0.000 claims description 2
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 2
- 125000005210 alkyl ammonium group Chemical group 0.000 claims 1
- 239000000945 filler Substances 0.000 abstract description 4
- 239000003505 polymerization initiator Substances 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 117
- 239000000741 silica gel Substances 0.000 description 115
- 229910002027 silica gel Inorganic materials 0.000 description 115
- 238000010586 diagram Methods 0.000 description 94
- 238000004128 high performance liquid chromatography Methods 0.000 description 91
- 230000000052 comparative effect Effects 0.000 description 62
- PJANXHGTPQOBST-VAWYXSNFSA-N trans-stilbene Chemical compound C=1C=CC=CC=1/C=C/C1=CC=CC=C1 PJANXHGTPQOBST-VAWYXSNFSA-N 0.000 description 34
- XXPBFNVKTVJZKF-UHFFFAOYSA-N 9,10-dihydrophenanthrene Chemical compound C1=CC=C2CCC3=CC=CC=C3C2=C1 XXPBFNVKTVJZKF-UHFFFAOYSA-N 0.000 description 32
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 32
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 32
- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 32
- BBEAQIROQSPTKN-UHFFFAOYSA-N pyrene Chemical compound C1=CC=C2C=CC3=CC=CC4=CC=C1C2=C43 BBEAQIROQSPTKN-UHFFFAOYSA-N 0.000 description 32
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 30
- PJANXHGTPQOBST-QXMHVHEDSA-N cis-stilbene Chemical compound C=1C=CC=CC=1/C=C\C1=CC=CC=C1 PJANXHGTPQOBST-QXMHVHEDSA-N 0.000 description 28
- 230000014759 maintenance of location Effects 0.000 description 27
- 238000000034 method Methods 0.000 description 24
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 22
- 239000000178 monomer Substances 0.000 description 19
- PJANXHGTPQOBST-UHFFFAOYSA-N trans-Stilbene Natural products C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 description 18
- OIAQMFOKAXHPNH-UHFFFAOYSA-N 1,2-diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC=C1C1=CC=CC=C1 OIAQMFOKAXHPNH-UHFFFAOYSA-N 0.000 description 16
- SLGBZMMZGDRARJ-UHFFFAOYSA-N Triphenylene Natural products C1=CC=C2C3=CC=CC=C3C3=CC=CC=C3C2=C1 SLGBZMMZGDRARJ-UHFFFAOYSA-N 0.000 description 16
- 238000004458 analytical method Methods 0.000 description 16
- GVEPBJHOBDJJJI-UHFFFAOYSA-N fluoranthrene Natural products C1=CC(C2=CC=CC=C22)=C3C2=CC=CC3=C1 GVEPBJHOBDJJJI-UHFFFAOYSA-N 0.000 description 16
- IFLREYGFSNHWGE-UHFFFAOYSA-N tetracene Chemical compound C1=CC=CC2=CC3=CC4=CC=CC=C4C=C3C=C21 IFLREYGFSNHWGE-UHFFFAOYSA-N 0.000 description 16
- 125000005580 triphenylene group Chemical group 0.000 description 16
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 15
- FILUFGAZMJGNEN-UHFFFAOYSA-N pent-1-en-3-yne Chemical group CC#CC=C FILUFGAZMJGNEN-UHFFFAOYSA-N 0.000 description 15
- 238000010828 elution Methods 0.000 description 11
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 11
- 239000004926 polymethyl methacrylate Substances 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 10
- 239000002904 solvent Substances 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 9
- 238000002360 preparation method Methods 0.000 description 9
- 238000010550 living polymerization reaction Methods 0.000 description 8
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 7
- 238000010559 graft polymerization reaction Methods 0.000 description 7
- 238000010526 radical polymerization reaction Methods 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 238000011049 filling Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 5
- 239000006228 supernatant Substances 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 235000002597 Solanum melongena Nutrition 0.000 description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- IJOOHPMOJXWVHK-UHFFFAOYSA-N chlorotrimethylsilane Chemical compound C[Si](C)(C)Cl IJOOHPMOJXWVHK-UHFFFAOYSA-N 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 239000000499 gel Substances 0.000 description 4
- FFUAGWLWBBFQJT-UHFFFAOYSA-N hexamethyldisilazane Chemical compound C[Si](C)(C)N[Si](C)(C)C FFUAGWLWBBFQJT-UHFFFAOYSA-N 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- 229920002338 polyhydroxyethylmethacrylate Polymers 0.000 description 4
- 238000002411 thermogravimetry Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 description 3
- MJTFENDZXOFBLA-UHFFFAOYSA-N 1,2,3-tritert-butylbenzene Chemical compound CC(C)(C)C1=CC=CC(C(C)(C)C)=C1C(C)(C)C MJTFENDZXOFBLA-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 3
- 0 CCCC*C(CC(CC(CC(CC(CCO)O)[Cn]*C=*)O)N)O Chemical compound CCCC*C(CC(CC(CC(CC(CCO)O)[Cn]*C=*)O)N)O 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-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
- 229910052786 argon Inorganic materials 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 125000000524 functional group Chemical group 0.000 description 3
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- BOZRCGLDOHDZBP-UHFFFAOYSA-N 2-ethylhexanoic acid;tin Chemical compound [Sn].CCCCC(CC)C(O)=O BOZRCGLDOHDZBP-UHFFFAOYSA-N 0.000 description 2
- DYAXJYNBIGKANQ-UHFFFAOYSA-N 6-trimethoxysilylhexyl 2-bromo-2-methylpropanoate Chemical compound CO[Si](OC)(OC)CCCCCCOC(=O)C(C)(C)Br DYAXJYNBIGKANQ-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000012300 argon atmosphere Substances 0.000 description 2
- 238000010560 atom transfer radical polymerization reaction Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- LDDQLRUQCUTJBB-UHFFFAOYSA-O azanium;hydrofluoride Chemical compound [NH4+].F LDDQLRUQCUTJBB-UHFFFAOYSA-O 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 238000013375 chromatographic separation Methods 0.000 description 2
- QTMDXZNDVAMKGV-UHFFFAOYSA-L copper(ii) bromide Chemical compound [Cu+2].[Br-].[Br-] QTMDXZNDVAMKGV-UHFFFAOYSA-L 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- IOLQWGVDEFWYNP-UHFFFAOYSA-N ethyl 2-bromo-2-methylpropanoate Chemical compound CCOC(=O)C(C)(C)Br IOLQWGVDEFWYNP-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- POPACFLNWGUDSR-UHFFFAOYSA-N methoxy(trimethyl)silane Chemical compound CO[Si](C)(C)C POPACFLNWGUDSR-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000003495 polar organic solvent Substances 0.000 description 2
- 230000000379 polymerizing effect Effects 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 235000021286 stilbenes Nutrition 0.000 description 2
- 238000012916 structural analysis Methods 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 239000005051 trimethylchlorosilane Substances 0.000 description 2
- 238000001291 vacuum drying Methods 0.000 description 2
- XQBHAZDVLGNSOJ-UHFFFAOYSA-N 1-(4-ethenylphenyl)-n,n-dimethylmethanamine Chemical compound CN(C)CC1=CC=C(C=C)C=C1 XQBHAZDVLGNSOJ-UHFFFAOYSA-N 0.000 description 1
- VWVZFHRDLPHBEG-UHFFFAOYSA-N 1-(chloromethyl)-4-methylsulfanylbenzene Chemical group CSC1=CC=C(CCl)C=C1 VWVZFHRDLPHBEG-UHFFFAOYSA-N 0.000 description 1
- SLBOQBILGNEPEB-UHFFFAOYSA-N 1-chloroprop-2-enylbenzene Chemical compound C=CC(Cl)C1=CC=CC=C1 SLBOQBILGNEPEB-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- DPBJAVGHACCNRL-UHFFFAOYSA-N 2-(dimethylamino)ethyl prop-2-enoate Chemical compound CN(C)CCOC(=O)C=C DPBJAVGHACCNRL-UHFFFAOYSA-N 0.000 description 1
- HXLLCROMVONRRO-UHFFFAOYSA-N 2-butoxyethenylbenzene Chemical compound CCCCOC=CC1=CC=CC=C1 HXLLCROMVONRRO-UHFFFAOYSA-N 0.000 description 1
- XUDBVJCTLZTSDC-UHFFFAOYSA-N 2-ethenylbenzoic acid Chemical compound OC(=O)C1=CC=CC=C1C=C XUDBVJCTLZTSDC-UHFFFAOYSA-N 0.000 description 1
- KGIGUEBEKRSTEW-UHFFFAOYSA-N 2-vinylpyridine Chemical compound C=CC1=CC=CC=N1 KGIGUEBEKRSTEW-UHFFFAOYSA-N 0.000 description 1
- DBCAQXHNJOFNGC-UHFFFAOYSA-N 4-bromo-1,1,1-trifluorobutane Chemical compound FC(F)(F)CCCBr DBCAQXHNJOFNGC-UHFFFAOYSA-N 0.000 description 1
- ZWAPMFBHEQZLGK-UHFFFAOYSA-N 5-(dimethylamino)-2-methylidenepentanamide Chemical compound CN(C)CCCC(=C)C(N)=O ZWAPMFBHEQZLGK-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 229920000936 Agarose Polymers 0.000 description 1
- 101710141544 Allatotropin-related peptide Proteins 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- ROFVEXUMMXZLPA-UHFFFAOYSA-N Bipyridyl Chemical group N1=CC=CC=C1C1=CC=CC=N1 ROFVEXUMMXZLPA-UHFFFAOYSA-N 0.000 description 1
- HIBWGGKDGCBPTA-UHFFFAOYSA-N C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 Chemical compound C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 HIBWGGKDGCBPTA-UHFFFAOYSA-N 0.000 description 1
- GYPNYOYLYBRRFV-WUJWULDRSA-N CCCCC(C)[C@H]1C(CC)=C(C)CCC1 Chemical compound CCCCC(C)[C@H]1C(CC)=C(C)CCC1 GYPNYOYLYBRRFV-WUJWULDRSA-N 0.000 description 1
- 229920002307 Dextran Polymers 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical class ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- 229920000057 Mannan Polymers 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000005055 alkyl alkoxy group Chemical group 0.000 description 1
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- XFOZBWSTIQRFQW-UHFFFAOYSA-M benzyl-dimethyl-prop-2-enylazanium;chloride Chemical compound [Cl-].C=CC[N+](C)(C)CC1=CC=CC=C1 XFOZBWSTIQRFQW-UHFFFAOYSA-M 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010538 cationic polymerization reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 150000004292 cyclic ethers Chemical class 0.000 description 1
- 238000002050 diffraction method Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- BNKAXGCRDYRABM-UHFFFAOYSA-N ethenyl dihydrogen phosphate Chemical compound OP(O)(=O)OC=C BNKAXGCRDYRABM-UHFFFAOYSA-N 0.000 description 1
- UIWXSTHGICQLQT-UHFFFAOYSA-N ethenyl propanoate Chemical compound CCC(=O)OC=C UIWXSTHGICQLQT-UHFFFAOYSA-N 0.000 description 1
- 239000004210 ether based solvent Substances 0.000 description 1
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical group CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 1
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Substances CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 238000003703 image analysis method Methods 0.000 description 1
- 230000003100 immobilizing effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000010551 living anionic polymerization reaction Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 1
- 125000005395 methacrylic acid group Chemical group 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- PZUGJLOCXUNFLM-UHFFFAOYSA-N n-ethenylaniline Chemical compound C=CNC1=CC=CC=C1 PZUGJLOCXUNFLM-UHFFFAOYSA-N 0.000 description 1
- QNILTEGFHQSKFF-UHFFFAOYSA-N n-propan-2-ylprop-2-enamide Chemical compound CC(C)NC(=O)C=C QNILTEGFHQSKFF-UHFFFAOYSA-N 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- QYUMESOEHIJKHV-UHFFFAOYSA-M prop-2-enamide;trimethyl(propyl)azanium;chloride Chemical compound [Cl-].NC(=O)C=C.CCC[N+](C)(C)C QYUMESOEHIJKHV-UHFFFAOYSA-M 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000012712 reversible addition−fragmentation chain-transfer polymerization Methods 0.000 description 1
- 238000000790 scattering method Methods 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 125000005372 silanol group Chemical group 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 229920000208 temperature-responsive polymer Polymers 0.000 description 1
- RRHXZLALVWBDKH-UHFFFAOYSA-M trimethyl-[2-(2-methylprop-2-enoyloxy)ethyl]azanium;chloride Chemical compound [Cl-].CC(=C)C(=O)OCC[N+](C)(C)C RRHXZLALVWBDKH-UHFFFAOYSA-M 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F118/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid or of a haloformic acid
- C08F118/02—Esters of monocarboxylic acids
- C08F118/04—Vinyl esters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/26—Selective adsorption, e.g. chromatography characterised by the separation mechanism
- B01D15/40—Selective adsorption, e.g. chromatography characterised by the separation mechanism using supercritical fluid as mobile phase or eluent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/025—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with wetted adsorbents; Chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
- B01J20/28057—Surface area, e.g. B.E.T specific surface area
- B01J20/28061—Surface area, e.g. B.E.T specific surface area being in the range 100-500 m2/g
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
- B01J20/28069—Pore volume, e.g. total pore volume, mesopore volume, micropore volume
- B01J20/28073—Pore volume, e.g. total pore volume, mesopore volume, micropore volume being in the range 0.5-1.0 ml/g
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
- B01J20/28078—Pore diameter
- B01J20/28083—Pore diameter being in the range 2-50 nm, i.e. mesopores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
- B01J20/28078—Pore diameter
- B01J20/28085—Pore diameter being more than 50 nm, i.e. macropores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/281—Sorbents specially adapted for preparative, analytical or investigative chromatography
- B01J20/286—Phases chemically bonded to a substrate, e.g. to silica or to polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3202—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
- B01J20/3204—Inorganic carriers, supports or substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3202—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
- B01J20/3206—Organic carriers, supports or substrates
- B01J20/3208—Polymeric carriers, supports or substrates
- B01J20/321—Polymeric carriers, supports or substrates consisting of a polymer obtained by reactions involving only carbon to carbon unsaturated bonds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
- B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
- B01J20/3268—Macromolecular compounds
- B01J20/3278—Polymers being grafted on the carrier
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/20—Organic adsorbents
- B01D2253/202—Polymeric adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/25—Coated, impregnated or composite adsorbents
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
Definitions
- the present invention relates to chromatographic fine particles and chromatography using the same, and in particular, a polymer brush type packing material having a polymer brush obtained by conducting living polymerization from a polymerization initiating group on a solid surface on the surface of solid particles, and a chromatography using the same.
- a polymer brush type packing material having a polymer brush obtained by conducting living polymerization from a polymerization initiating group on a solid surface on the surface of solid particles, and a chromatography using the same.
- a polymer brush type packing material having a polymer brush obtained by conducting living polymerization from a polymerization initiating group on a solid surface on the surface of solid particles
- graft polymerization on a solid surface is known as a method for modifying the surface of a solid. Since this method can impart various surface characteristics by changing the type of monomer to be polymerized, it is being studied as a separation agent for chromatography, for example.
- a solid surface modification method for example, a polymer brush in which a polymer chain is graft-polymerized via a polymerization initiating group by a living radical polymerization of a monomer from a polymerization initiating group fixed on the surface of the solid
- a method of obtaining a mold solid is known (for example, see Patent Document 1).
- the polymer does not solidify in a coil shape on the solid surface, a solid having a high-density polymer chain on the solid surface can be obtained.
- Examples of the chromatographic separating agent obtained by graft polymerizing a polymer chain on the solid surface include, for example, a porous carrier obtained by graft polymerizing a polymer chain at a high density on the surface of an organic porous carrier, and a support.
- a material for separating a physiologically active substance by independently bonding a substance having affinity for the physiologically active substance and a polymer to the surface of the body, and a chromatograph formed by graft-polymerizing a temperature-responsive polymer to the surface of the support There are known photographic supports (see, for example, Patent Documents 2 to 5).
- the polymer brush-type solid and the separating agent are known to have a relatively narrow polymer chain density and a molecular weight distribution of about 1.0 to 1.3.
- the present invention provides a polymer brush-type filler having a high polymer chain density and a wide polymer chain molecular weight distribution.
- the present invention is a chromatographic fine particle having solid particles, a polymerization initiating group covalently bonded to the surface of the solid particles, and a graft polymer chain obtained by grafting a polymer chain through the polymerization initiating group, a)
- the graft polymer chain contains the same or different repeating unit represented by the following formula (1): b)
- the number average molecular weight of the graft polymer chain is 500 or more and 300,000 or less, c)
- the molecular weight distribution of the graft polymer chain is 1.4 or more and 5.0 or less,
- d) Provided is a fine particle for chromatography, wherein the density of the graft polymer chain on the surface of the solid particle is 0.03 chain / nm 2 or more and 0.70 chain / nm 2 or less.
- R 1 independently represents a group represented by the following formula (2), or a phenyl group or naphthyl group having one or more substituents R 5 , and R 2 to R 4 represent Each independently represents —H or —CH 3 , and R 5 independently represents an alkyl group having 1 to 20 carbon atoms, an alkylphenyl group having up to 10 carbon atoms in the alkyl group, —OH, alkyl Alkoxy having up to 10 carbon atoms in the group, cyano, amino, monoalkylamino having up to 10 carbon atoms in the alkyl group, dialkylamino having up to 10 carbon atoms in each alkyl group, each Represents a trialkylammonium, carboxyl, sulfonyl, acetamino, or acetoxy group having up to 10 carbon atoms in the alkyl group.
- X represents —OH, —OR 6, or —NR 7 R 8
- each R 6 may have one or more substituents, each having 1 to 20 carbon atoms Alkyl groups, phenyl groups, naphthyl groups, phenylalkyl groups having up to 10 carbon atoms in the alkyl group, naphthylalkyl groups having up to 10 carbon atoms in the alkyl group, up to 10 carbons in the alkyl group
- R 7 and R 8 are each an alkyl group having 1 to 10 carbon atoms, a phenyl group, an alkyl group Represents a phenylalkyl group having up to 10 carbon atoms, or an alkylphenyl group having up to 10 carbon atoms in the alkyl group
- R 6 may optionally have the
- the present invention also provides chromatographic fine particles having a molecular weight distribution of the graft polymer chain of 1.5 or more and 5.0 or less.
- the solid particles are spherical, the specific surface area per unit weight of the solid particles is 20 to 450 m 2 / g, and the pore volume per unit weight of the solid particles is 0.7 to 1.
- the chromatographic fine particle is 1 cc / g.
- the present invention also provides the fine particles for chromatography, wherein the surface of the solid particles is subjected to a surface treatment with a silane coupling agent represented by the following formula (3).
- R 9 to R 11 are each a saturated or unsaturated hydrocarbon group having 1 to 30 carbon atoms, or 1 to 8 carbon atoms which may have one or more substituents.
- A represents a saturated or unsaturated hydrocarbon group
- A represents a halogen, an alkoxy group having 1 to 10 carbon atoms, a hydroxyl group, or an azasilyl group
- the substituent that the hydrocarbon may have is independently , A nitrile group, a hydroxyl group, an amino group, a pyridyl group, or an amide group.
- the present invention provides a chromatography using a particulate separation agent, wherein the separation agent is the fine particle for chromatography of the present invention, and the chromatography is gas chromatography, liquid chromatography, thin layer chromatography, or Chromatography is provided that is supercritical fluid chromatography.
- the present invention provides a supercritical fluid chromatography comprising a supercritical fluid composed of supercritical carbon dioxide, a subcritical fluid composed of subcritical fluid carbon dioxide, or a mixed fluid of supercritical fluid carbon dioxide and an additive as a mobile phase.
- a supercritical fluid chromatography comprising a supercritical fluid composed of supercritical carbon dioxide, a subcritical fluid composed of subcritical fluid carbon dioxide, or a mixed fluid of supercritical fluid carbon dioxide and an additive as a mobile phase.
- the present invention also provides the chromatography as described above, which is a normal phase chromatography using a mixed solvent containing a low polarity organic solvent and a medium and high polarity organic solvent having a higher polarity as a mobile phase.
- the present invention provides the above-mentioned chromatography for separating a low molecular weight compound having a molecular weight of 10,000 or less.
- the present invention also provides the chromatography described above, wherein two isomers represented by the same composition formula are separated.
- the present invention provides a polymer brush-type filler having a high polymer chain density equivalent to that of a conventional polymer brush-type solid and a molecular weight distribution of a polymer chain wider than that of a conventional polymer brush-type solid. it can.
- FIG. 2 is a diagram showing a chromatogram of naphthacene using HPLC using column 1 of Example 1 by HPLC.
- FIG. 2 is a diagram showing a chromatogram by HPLC of anthracene using the column 1 of Example 1.
- FIG. 2 is a diagram showing a chromatogram of naphthalene by HPLC using the column 1 of Example 1.
- FIG. 3 is a diagram showing a chromatogram of pyrene by HPLC using the column 1 of Example 1.
- 2 is a diagram showing a chromatogram by HPLC of phenanthrene using the column 1 of Example 1.
- FIG. FIG. 2 is a diagram showing a chromatogram by HPLC of pyrylene using the column 1 of Example 1.
- FIG. 1 is a diagram showing a chromatogram of triphenylene using HPLC using column 1 of Example 1.
- FIG. 3 is a diagram showing a chromatogram by HPLC of o-terphenyl using column 1 of Example 1.
- FIG. 3 is a diagram showing a chromatogram by HPLC of 9,10-dihydrophenanthrene using the column 1 of Example 1.
- 2 is a diagram showing a chromatogram of trans-stilbene using HPLC using column 1 of Example 1.
- FIG. 2 is a diagram showing a chromatogram by HPLC of cis-stilbene using the column 1 of Example 1.
- FIG. 3 is a diagram showing a chromatogram of naphthacene using HPLC using column 3 of Example 3.
- FIG. 4 is a diagram showing a chromatogram by HPLC of anthracene using column 3 of Example 3.
- FIG. 3 is a diagram showing a chromatogram of naphthalene by HPLC using column 3 of Example 3.
- 4 is a diagram showing a chromatogram of pyrene by HPLC using the column 3 of Example 3.
- FIG. 3 is a diagram showing a chromatogram by HPLC of phenanthrene using the column 3 of Example 3.
- FIG. 4 is a diagram showing a chromatogram by HPLC of pyrylene using column 3 of Example 3.
- 3 is a diagram showing a chromatogram of triphenylene by HPLC using the column 3 of Example 3.
- FIG. 4 is a diagram showing a chromatogram by HPLC of o-terphenyl using column 3 of Example 3.
- 4 is a diagram showing a chromatogram by HPLC of 9,10-dihydrophenanthrene using the column 3 of Example 3.
- FIG. 4 is a diagram showing a chromatogram of trans-stilbene using HPLC using column 3 of Example 3.
- FIG. 6 is a diagram showing a chromatogram of cis-stilbene using HPLC using column 3 of Example 3.
- FIG. 2 is a diagram showing a chromatogram of HPLC of naphthacene using an unbound silica gel column of Comparative Example 1.
- FIG. FIG. 3 is a diagram showing a chromatogram by HPLC of anthracene using an unbound silica gel column of Comparative Example 1.
- FIG. 4 is a diagram showing a chromatogram by HPLC of naphthalene using the unbound silica gel column of Comparative Example 1.
- FIG. 4 is a diagram showing a chromatogram of pyrene by HPLC using an unbound silica gel column of Comparative Example 1.
- FIG. 3 is a diagram showing a chromatogram by HPLC of phenanthrene using the unbound silica gel column of Comparative Example 1.
- FIG. 3 is a diagram showing a chromatogram by HPLC of pyrylene using the unbound silica gel column of Comparative Example 1.
- 3 is a diagram showing a chromatogram by HPLC of triphenylene using an unbound silica gel column of Comparative Example 1.
- FIG. 2 is a diagram showing a chromatogram by HPLC of o-terphenyl using an unbound silica gel column of Comparative Example 1.
- FIG. 2 is a diagram showing a chromatogram by HPLC of 9,10-dihydrophenanthrene using an unbound silica gel column of Comparative Example 1.
- FIG. 2 is a diagram showing a chromatogram by HPLC of trans-stilbene using an unbound silica gel column of Comparative Example 1.
- FIG. 3 is a diagram showing a chromatogram by HPLC of cis-stilbene using the unbound silica gel column of Comparative Example 1. It is a figure which shows the chromatogram by HPLC of naphthacene using the ODS silica gel column of the comparative example 2.
- FIG. 4 is a diagram showing a chromatogram of triphenylene by HPLC using the ODS silica gel column of Comparative Example 2.
- 4 is a diagram showing a chromatogram by HPLC of o-terphenyl using the ODS silica gel column of Comparative Example 2.
- FIG. 4 is a diagram showing a chromatogram by HPLC of 9,10-dihydrophenanthrene using the ODS silica gel column of Comparative Example 2.
- FIG. FIG. 3 is a diagram showing a chromatogram of trans-stilbene using the ODS silica gel column of Comparative Example 2 by HPLC.
- 4 is a diagram showing a chromatogram by HPLC of cis-stilbene using the ODS silica gel column of Comparative Example 2.
- FIG. 4 is a diagram showing a chromatogram by HPLC of naphthacene using the dihydroxypropyl group-bonded silica gel column of Comparative Example 3.
- FIG. 4 is a diagram showing a chromatogram by HPLC of anthracene using the dihydroxypropyl group-bonded silica gel column of Comparative Example 3.
- FIG. 4 is a diagram showing a chromatogram by HPLC of naphthalene using the dihydroxypropyl group-bonded silica gel column of Comparative Example 3.
- FIG. 4 is a diagram showing a chromatogram by HPLC of pyrene using the dihydroxypropyl group-bonded silica gel column of Comparative Example 3.
- FIG. 4 is a diagram showing a chromatogram by HPLC of phenanthrene using the dihydroxypropyl group-bonded silica gel column of Comparative Example 3.
- FIG. 4 is a diagram showing a chromatogram by HPLC of pyrylene using a dihydroxypropyl group-bonded silica gel column of Comparative Example 3.
- FIG. 4 is a diagram showing a HPLC chromatogram of triphenylene using a dihydroxypropyl group-bonded silica gel column of Comparative Example 3.
- FIG. 4 is a diagram showing a chromatogram by HPLC of o-terphenyl using a dihydroxypropyl group-bonded silica gel column of Comparative Example 3.
- FIG. 4 is a diagram showing a chromatogram by HPLC of 9,10-dihydrophenanthrene using the dihydroxypropyl group-bonded silica gel column of Comparative Example 3.
- FIG. 6 is a HPLC chromatogram of trans-stilbene using the dihydroxypropyl group-bonded silica gel column of Comparative Example 3.
- FIG. 4 is a diagram showing a chromatogram by HPLC of cis-stilbene using the dihydroxypropyl group-bonded silica gel column of Comparative Example 3.
- 6 is a diagram showing a chromatogram by HPLC of naphthacene using the cyanopropyl group-bonded silica gel column of Comparative Example 4.
- FIG. 4 is a diagram showing a chromatogram by HPLC of anthracene using the cyanopropyl group-bonded silica gel column of Comparative Example 4.
- FIG. 5 is a diagram showing a chromatogram by HPLC of naphthalene using the cyanopropyl group-bonded silica gel column of Comparative Example 4.
- 6 is a diagram showing a chromatogram of pyrene by HPLC using the cyanopropyl group-bonded silica gel column of Comparative Example 4.
- FIG. FIG. 6 is a diagram showing a chromatogram by HPLC of phenanthrene using the cyanopropyl group-bonded silica gel column of Comparative Example 4.
- FIG. 6 is a diagram showing a chromatogram of HPLC of pyrylene using a cyanopropyl group-bonded silica gel column of Comparative Example 4.
- FIG. 4 is a diagram showing a HPLC chromatogram of triphenylene using a cyanopropyl group-bonded silica gel column of Comparative Example 4.
- FIG. 6 shows a chromatogram by HPLC of o-terphenyl using the cyanopropyl group-bonded silica gel column of Comparative Example 4.
- 6 is a diagram showing a chromatogram by HPLC of 9,10-dihydrophenanthrene using the cyanopropyl group-bonded silica gel column of Comparative Example 4.
- FIG. 6 shows a chromatogram by HPLC of trans-stilbene using the cyanopropyl group-bonded silica gel column of Comparative Example 4.
- FIG. 6 shows a HPLC chromatogram of cis-stilbene using the cyanopropyl group-bonded silica gel column of Comparative Example 4.
- FIG. 4 is a diagram showing retention coefficients of columns 1 and 3 and comparative columns 1 to 4 for samples 2 to 4;
- FIG. 6 is a diagram showing retention coefficients of columns 1 and 3 and comparative columns 1 to 4 for samples 4 to 7; It is a figure which shows the retention coefficient of the column of the column 1, the column 3, and the column of Comparative Examples 1-4 with respect to the samples 2, 5 and 8.
- FIG. 4 is a diagram showing retention coefficients of columns 1 and 3 and comparative columns 1 to 4 for samples 2 to 4
- FIG. 6 is a diagram showing retention coefficients of columns 1 and 3 and comparative columns 1 to 4 for samples 4 to 7; It is a figure which shows the retention coefficient of the column of
- FIG. 6 is a diagram showing a chromatogram of naphthalene by HPLC using the column 4 of Example 4.
- 4 is a chromatogram of pyrene by HPLC using the column 4 of Example 4.
- FIG. 4 is a diagram showing a chromatogram by HPLC of phenanthrene using the column 4 of Example 4.
- FIG. 4 is a diagram showing a chromatogram by HPLC of pyrylene using column 4 of Example 4.
- 4 is a chromatogram obtained by HPLC of triphenylene using column 4 of Example 4.
- FIG. FIG. 4 is a diagram showing a chromatogram by HPLC of o-terphenyl using column 4 of Example 4.
- FIG. 4 is a diagram showing a chromatogram by HPLC of 9,10-dihydrophenanthrene using column 4 of Example 4.
- FIG. 4 is a diagram showing a chromatogram by HPLC of trans-stilbene using column 4 of Example 4.
- 6 is a diagram showing a chromatogram by HPLC of cis-stilbene using the column 4 of Example 4.
- FIG. 6 is a diagram showing a chromatogram of naphthacene using HPLC using column 5 of Example 5 by HPLC.
- FIG. 6 is a chromatogram of anthracene using column 5 of Example 5 by HPLC.
- FIG. FIG. 6 is a diagram showing a chromatogram of naphthalene by HPLC using column 5 of Example 5.
- FIG. 6 is a diagram showing a chromatogram of pyrene by HPLC using the column 5 of Example 5.
- FIG. 6 is a diagram showing a chromatogram by HPLC of phenanthrene using the column 5 of Example 5.
- FIG. 6 is a chromatogram of pyrylene using HPLC using column 5 of Example 5.
- FIG. 6 is a chromatogram obtained by HPLC of triphenylene using column 5 of Example 5.
- FIG. FIG. 4 is a diagram showing a chromatogram by HPLC of o-terphenyl using column 5 of Example 5.
- FIG. 6 is a diagram showing a chromatogram by HPLC of 9,10-dihydrophenanthrene using the column 5 of Example 5.
- FIG. 6 is a diagram showing a chromatogram by HPLC of trans-stilbene using column 5 of Example 5.
- FIG. 6 is a diagram showing a chromatogram by HPLC of cis-stilbene using the column 5 of Example 5.
- FIG. 4 is a diagram showing column retention coefficients of columns 4 and 5 for samples 2 to 4;
- FIG. 7 is a diagram showing column retention coefficients of columns 4 and 5 for samples 4 to 7; It is a figure which shows the retention coefficient of the column of the column 4 and the column 5 with respect to the samples 2, 5 and 8.
- FIG. It is a figure which shows the retention coefficient of the column of the column 4 and the column 5 with respect to the samples 8 and 9.
- FIG. 1 It is a figure which shows the retention coefficient of the column of the column 4 and the column 5 with respect to the samples 6 and 10. It is a figure which shows the retention coefficient of the column of the column 4 and the column 5 with respect to the samples 11 and 12. It is a figure which shows the chromatogram by SFC of the naphthacene using the column 1s of Example 6.
- FIG. It is a figure which shows the chromatogram by SFC of anthracene using column 1s of Example 6.
- FIG. It is a figure which shows the chromatogram by SFC of naphthalene using column 1s of Example 6.
- FIG. It is a figure which shows the chromatogram by SFC of pyrene using the column 1s of Example 6.
- FIG. 6 is a chromatogram of triphenylene by SFC using column 1s of Example 6.
- FIG. 7 is a diagram showing a chromatogram of SFC of o-terphenyl using column 1s of Example 6.
- FIG. 6 is a diagram showing a chromatogram by SFC of 9,10-dihydrophenanthrene using the column 1s of Example 6.
- 10 is a diagram showing a chromatogram of SFC of trans-stilbene using the column 1s of Example 6.
- FIG. 10 is a diagram showing a SFC chromatogram of cis-stilbene using column 1s of Example 6.
- FIG. 1 It is a figure which shows the chromatogram by SFC of the naphthacene using the column 3s of Example 6.
- FIG. It is a figure which shows the chromatogram by SFC of anthracene using column 3s of Example 6.
- FIG. It is a figure which shows the chromatogram by SFC of naphthalene using column 3s of Example 6.
- FIG. It is a figure which shows the chromatogram by SFC of pyrene using the column 3s of Example 6.
- FIG. It is a figure which shows the chromatogram by SFC of the phenanthrene using the column 3s of Example 6.
- FIG. It is a figure which shows the chromatogram by SFC of pyrylene using column 3s of Example 6.
- FIG. 6 is a chromatogram of triphenylene by SFC using column 3s of Example 6.
- FIG. 10 is a diagram showing a chromatogram of SFC of o-terphenyl using column 3s of Example 6.
- FIG. 10 is a diagram showing a chromatogram by SFC of 9,10-dihydrophenanthrene using the column 3s of Example 6.
- 10 is a diagram showing a chromatogram of trans-stilbene using SFC using column 3s of Example 6.
- FIG. FIG. 6 is a diagram showing a chromatogram of cis-stilbene by SFC using the column 3s of Example 6. It is a figure which shows the chromatogram by SFC of the naphthacene using the column 4s of Example 6.
- FIG. 6 is a chromatogram of triphenylene using SFC using column 4s of Example 6.
- FIG. 7 is a diagram showing a chromatogram of SFC of o-terphenyl using column 4s of Example 6.
- FIG. 6 is a diagram showing a chromatogram by SFC of 9,10-dihydrophenanthrene using the column 4s of Example 6.
- 10 is a diagram showing a chromatogram of SFC of trans-stilbene using the column 4s of Example 6.
- FIG. 6 is a diagram showing a SFC chromatogram of cis-stilbene using the column 4s of Example 6. It is a figure which shows the chromatogram by SFC of the naphthacene using column 5s of Example 6.
- FIG. It is a figure which shows the chromatogram by SFC of anthracene using column 5s of Example 6.
- FIG. 6 is a chromatogram of triphenylene using SFC using column 5s of Example 6.
- FIG. 7 is a diagram showing a chromatogram of SFC of o-terphenyl using column 5s of Example 6.
- FIG. 10 is a diagram showing a chromatogram by SFC of 9,10-dihydrophenanthrene using the column 5s of Example 6.
- 6 is a diagram showing a chromatogram of SFC of trans-stilbene using column 5s of Example 6.
- FIG. FIG. 6 is a diagram showing a SFC chromatogram of cis-stilbene using the column 5s of Example 6. It is a figure which shows the retention coefficient of the column of 1s, 3s, 4s, and 5s with respect to the samples 2-4.
- FIG. 9 is a diagram showing the retention coefficients of columns 1s, 3s, 4s, and 5s for samples 4 to 7. It is a figure which shows the retention coefficient of the column of 1s, 3s, 4s, and 5s with respect to the samples 2, 5 and 8.
- FIG. 8 It is a figure which shows the retention coefficient of the column of 1s, 3s, 4s, and 5s with respect to the samples 8 and 9.
- FIG. It is a figure which shows the retention coefficient of the column 1s, 3s, 4s, and 5s column with respect to the samples 6 and 10.
- FIG. It is a figure which shows the retention coefficient of the column 1s, 3s, 4s, and 5s column with respect to the samples 11 and 12.
- the chromatographic fine particles of the present invention have solid particles, a polymerization initiating group covalently bonded to the surface of the solid particles, and a graft polymer chain in which a polymer chain is grafted via the polymerization initiating group.
- a particle having a polymerization initiating group bonded to the surface by a supply bond can be used.
- particles used as a carrier in a chromatographic separation agent can be used.
- crosslinked polystyrene, crosslinked acrylic polymer, epoxy polymer, cellulose, crosslinked cellulose, crosslinked agarose examples thereof include organic carriers such as crosslinked dextran and crosslinked mannan, and inorganic carriers such as alumina, silica gel, mesoporous silica gel, zeolite, diatomaceous earth, fused silica, viscous mineral, zirconia, and metal.
- the average particle diameter of the solid particles is preferably 1.0 ⁇ m to 10 mm, more preferably 1.0 to 300 ⁇ m, and more preferably 1.0 to 50 ⁇ m from the viewpoint of the separation performance of the chromatographic fine particles of the present invention. More preferably.
- the average particle diameter of the solid particles may be a measurement value by a laser light diffraction / scattering method, a measurement value by a Coulter counter method, or a measurement value by a flow particle image analysis method. It may be a catalog value.
- the average particle size of the solid particles can be adjusted, for example, by classification or mixing of classified products.
- the shape of the solid particles is preferably spherical from the viewpoint of the effect of reducing the disturbance of the fluid passing through the packed bed and sharpening the peak of the chromatogram.
- spherical means that the average circularity of a planar projection image of solid particles is 0.8 to 1.0. Such average circularity may be a measured value based on the ratio of the major axis to the minor axis in flow-type particle image analysis, or may be a catalog value.
- the solid particles are preferably porous from the viewpoint of improving the effect of surface modification of the fine particles for chromatography of the present invention and enhancing the separation performance.
- the specific surface area per unit weight of the solid particles is preferably 20 to 450 m 2 / g, more preferably 40 to 450 m 2 / g.
- the specific surface area may be, for example, a measured value by a nitrogen adsorption method (BET) or a catalog value.
- the pore volume with respect to the weight of the solid particles is preferably 0.7 to 1.1 cc / g.
- the pore volume may be a value measured by a mercury porosimeter method or a catalog value, for example.
- the pore diameter of the solid particles is preferably 6 to 100 nm, and more preferably 12 to 100 nm.
- the pore diameter may be a value representative of the size of pores formed on the surface of the solid particles, and may be an average value or a maximum value.
- the pore diameter may be, for example, a measured value by a mercury porosimeter method or a catalog value.
- solid particles having the above-described shape, specific surface area, pore volume, and pore diameter examples include silica gel for HPLC, silica gel for LC, alumina gel for LC, titania gel for LC, polymer gel for LC, and polystyrene for LC. A gel is mentioned.
- the polymerization initiating group is a group serving as a starting point of living polymerization for forming a graft polymer chain, and a compound having a functional group bonded to the surface of the solid particle by a supply bond and the polymerization initiating group is solidified. It can be formed by covalently immobilizing on the surface of the particle.
- the polymerization initiating group may be one type or two or more types. The polymerization initiating group can be appropriately determined according to the type of monomer to be subjected to living polymerization and the type of living polymerization.
- polymerization initiating group examples include (2-bromo-2-methyl) propionyloxy group, 2- (4-chlorosulfonylphenyl) ethyl group, 2-bromopionyloxy group, 4- (4-chloromethyl) Examples thereof include a phenyl group and a 4- (2-bromoethyl) phenyl group.
- the functional group can be appropriately determined according to the solid particles.
- the density of the polymerization initiating groups on the surface of the solid particles is preferably 0.03 to 0.7 per 1 nm 2 of the surface of the solid particles from the viewpoint of increasing the density of the polymer brush.
- the density of the polymerization initiating group can be determined from the weight of the polymerization initiating group on the surface of the solid particle, the molecular weight of the polymerization initiating group, and the surface area of the solid particle.
- the density of the polymerization initiating group can be adjusted by, for example, the amount of the compound used in the immobilization reaction of the polymerization initiating group on the surface of the solid particles, the reaction time, and the reaction temperature.
- the graft polymer chain includes the same or different repeating unit represented by the following formula (1).
- R 1 independently represents a group represented by the following formula (2) or a phenyl group having one or more substituents R 5 .
- R 2 to R 4 each independently represent —H or —CH 3 .
- R 5 is independently an alkyl group having 1 to 20 carbon atoms, an alkylphenyl group having up to 10 carbon atoms in the alkyl group, —OH, or up to 10 in the alkyl group.
- Alkoxy, cyano, amino, monoalkylamino having up to 10 carbon atoms in the alkyl group, dialkylamino having up to 10 carbon atoms in each alkyl group, 10 in each alkyl group Represents a trialkylammonium, carboxyl, sulfonyl, acetamino, or acetoxy group having up to carbon atoms.
- X represents —OH, —OR 6 or —NR 7 R 8 .
- R 6 is an alkyl group having 1 to 20 carbon atoms, a phenyl group, a naphthyl group, or a phenylalkyl group having up to 10 carbon atoms in the alkyl group, each optionally having one or more substituents.
- R 7 and R 8 each have an alkyl group having 1 to 10 carbon atoms, a phenyl group, a phenylalkyl group having up to 10 carbon atoms in the alkyl group, or up to 10 carbon atoms in the alkyl group Represents an alkylphenyl group.
- R 6 may have is independently —OH, alkoxy having 1 to 10 carbons, cyano, amino, monoalkylamino having 1 to 10 carbons, or 1 alkyl in each alkyl group.
- the graft polymer chain can be formed by living polymerization of a monomer for graft polymerization onto the surface of solid particles.
- a monomer for graft polymerization is not particularly limited and can be appropriately selected depending on the function to be introduced.
- a monomer for graft polymerization is not particularly limited and can be appropriately selected depending on the function to be introduced.
- the graft polymerization monomer may be one kind or two or more kinds, and the monomer composition may be changed during the polymerization.
- these monomers for graft polymerization styrene monomers, (meth) acrylic monomers, and (meth) acrylamide monomers are particularly preferable from the viewpoint that a graft polymer can be easily formed by living radical polymerization.
- (meth) acryl represents one or both of acrylic and methacrylic.
- the number average molecular weight of the graft polymer chain is 500 or more and 300,000 or less.
- the number average molecular weight of the graft polymer chain is not particularly limited as long as the graft polymer chain is sufficiently long to interact with the substance to be separated, but is preferably 2,000 to 200,000, More preferably, it is from 000 to 100,000.
- the molecular weight distribution of the graft polymer chain is 1.4 or more and 5.0 or less, preferably 1.5 or more and 5.0 or less.
- the molecular weight distribution of the graft polymer chain is the ratio (Mw / Mn) of the weight average molecular weight (Mw) to the number average molecular weight (Mn).
- the number average molecular weight and the weight average molecular weight of the graft polymer chain can be measured by a GPC method in which the graft polymer chain is separated from the chromatographic fine particles and the separated graft polymer chain component is used.
- the number average molecular weight of the graft polymer chain can be adjusted by the concentration of the polymerization initiating group, the monomer concentration, and the reaction rate. Further, the number average molecular weight can be adjusted over a wider range by separately adding a compound having a number average molecular polymerization initiating ability.
- the density of the graft polymer chain on the surface of the solid particles is 0.03 chain / nm 2 or more and 0.70 chain / nm 2 or less.
- the density of the graft polymer chain can be calculated from the weight of the graft polymer chain per unit weight of the solid particles, the number average molecular weight of the graft polymer chain, and the specific surface area of the solid particles.
- the density of the graft polymer chain can be adjusted by, for example, the density of polymerization initiating groups on the surface of the solid particles.
- the chromatographic fine particles of the present invention are a first step in which a polymerization initiating group is covalently bonded to the surface of the solid particles, and a second step in which a graft polymerization monomer is polymerized by living polymerization from the polymerization initiating groups of the solid particles.
- a broad molecular weight distribution specified by the present invention is coated with a polymer that is polymerized by a living polymerization method from a polymerization initiating group that is covalently bonded to solid particles and is densely brushed in a brush-like shape. Fine particles for chromatography having the above can be obtained.
- living anionic polymerization, living radical polymerization, living cation polymerization, etc. can be used as the living polymerization method, and there is no particular limitation, but it is difficult to be affected by a small amount of impurities, and a wide range of monomers. Therefore, the living radical polymerization method is most preferable.
- the graft polymer chain is formed by the living radical polymerization method.
- the graft polymerization monomer is added to the radical species generated by the cleavage of a part of the polymerization initiating group bonded to the surface of the solid particle by the action of heat, light and catalyst. It can proceed by reacting.
- an atom transfer radical polymerization method for example, an atom transfer radical polymerization method (ATRP method), a reversible addition-fragmentation chain transfer polymerization method (RAFT method), or a living radical polymerization method via nitroxide (NMP method) can be used.
- ATRP method atom transfer radical polymerization method
- RAFT method reversible addition-fragmentation chain transfer polymerization method
- NMP method living radical polymerization method via nitroxide
- the chromatographic fine particles of the present invention may be further treated as long as the effects of the present invention are obtained.
- a treatment for example, the surface of the solid particles is subjected to a surface treatment with a silane coupling agent represented by the following formula (3).
- R 9 to R 11 are each a saturated or unsaturated hydrocarbon group having 1 to 30 carbon atoms, or 1 to 8 carbon atoms which may have one or more substituents.
- A represents halogen, an alkoxy group having 1 to 10 carbon atoms, a hydroxyl group, or an azasilyl group.
- the substituent that the hydrocarbon may have is independently a nitrile group, a hydroxyl group, an amino group, a pyridyl group, or an amide group.
- the silane coupling agent may be one type or two or more types.
- Examples of the silane coupling agent represented by the formula (3) include trimethylchlorosilane, hexamethyldisilazane, and trimethylmethoxysilane.
- the surface treatment of the solid particles with such a silane coupling agent can be performed on one or both of the solid particles having a polymerization initiating group and the solid particles having a graft polymer chain formed thereon.
- the surface treatment of the solid particles with such a silane coupling agent is performed on the separation target in the chromatography of the polymerization initiating groups and other active groups on the solid particles (for example, silanol groups when the solid particles are silica gel). It is preferable from the viewpoint of suppressing the activity and further enhancing the chemical stability when the chromatographic fine particles of the present invention are used for chromatography.
- the surface of the solid particles having a polymerization initiating group but not having a graft polymer chain is different from the silane coupling agent of the formula (3). It is preferable from the viewpoint of forming a chromatographic peak having a good shape by suppressing the activity of the functional group such as a polymerization initiating group on the separation target and reducing nonspecific adsorption.
- Such other silane coupling agents may be one kind or two or more kinds. Examples of the other coupling agent include trimethylchlorosilane, hexamethyldisilazane, and trimethylmethoxysilane.
- the surface treatment of the solid particles with the silane coupling agent described above can be performed in the same manner as a normal surface treatment method with a silane coupling agent.
- the chromatographic fine particles of the present invention can be used as a separating agent in chromatography using a particulate separating agent.
- chromatography examples include gas chromatography, liquid chromatography, thin layer chromatography, and supercritical fluid chromatography.
- chromatography can be carried out by a usual method except that the chromatographic fine particles of the present invention are used as a separating agent. That is, the chromatographic fine particles of the present invention are used as a filler packed in the column tube in chromatography other than thin layer chromatography, and in the thin layer chromatography, with other components such as a binder as necessary. Each can be used in a separating agent layer formed by applying the composition to a support.
- liquids such as water and various organic solvents, supercritical fluids, and sub-critical fluids such as subcritical fluids can be used as the mobile phase as the mobile phase.
- the mobile phase is a supercritical fluid made of supercritical carbon dioxide, a subcritical fluid made of subcritical fluid carbon dioxide, or a mixed fluid of supercritical fluid carbon dioxide and an additive.
- the additive include alcohols having 1 to 8 carbon atoms, acetonitrile, acetone, tetrahydrofuran, chloroform, methylene chloride, acetate ester, tert-butyl methyl ether, and water.
- One type or two or more types of additives may be used.
- the mobile phase is a mixed solvent containing a low polarity organic solvent and a medium or high polarity organic solvent having a higher polarity than that, that is, the chromatographic fine particles of the present invention are used for normal phase chromatography.
- the low polar organic solvent is, for example, a water-insoluble organic solvent.
- Examples of such a low polar organic solvent include, for example, hexane, saturated hydrocarbon solvents represented by heptane, and aromatics represented by toluene. Group hydrocarbon solvents.
- the medium / high polarity organic solvent is, for example, an organic solvent that is partially or arbitrarily mixed with water.
- Examples of such medium / high polarity organic solvents include cyclic ether solvents typified by tetrahydrofuran and ketones typified by acetone. Examples thereof include an organic solvent, an alcohol solvent typified by methanol, ethanol and 2-propanol, an ester solvent substituted for ethyl acetate, and an amide solvent typified by dimethylformamide. These organic solvents may be used alone or in combination of two or more.
- the chromatographic fine particles of the present invention are preferably used for chromatography using a low molecular weight compound having a molecular weight of 10,000 or less as a separation target from the viewpoint of avoiding the possibility that the compound is adsorbed and accumulated on the carrier.
- the chromatographic fine particles of the present invention are often used for chromatography with two isomers represented by the same composition formula as the separation target, and molecules of the same composition isomer having very similar physical properties are often used. This is preferable from the viewpoint of taking advantage of the fine particles for chromatography of the present invention having excellent shape recognition ability.
- the two isomers represented by the same composition formula include structural isomers, positional isomers, geometric isomers, and stereoisomers.
- the chromatography of the present invention can be used for analysis of components in a sample and fractionation of specific components from a mixture, as in normal chromatography.
- Example 1 Production of Silica Gel Concentrated Polymer Brush 1) Introduction of Polymerization Initiating Group into Silica Gel Particles Into a 500 mL flask equipped with a Dean-Stark trap, silica gel particles SP-120-5 (average particle size: 4.3 ⁇ m) manufactured by Daiso Corporation. Specific surface area: 332 m 2 / g, pore volume: 1.02 cc / g, average pore diameter: 12.3 nm) 8 g and 100 mL of toluene were added, and the mixture was refluxed at 130 ° C.
- silica gel particles were dispersed in n-hexane, the particles were precipitated, and the supernatant was removed. This operation was purified by repeating 13 times to obtain silica gel particles (a) having a polymerization initiation group covalently bonded to the surface.
- the amount of the polymerization initiating group binding per 1 g of silica gel is 4.25 ⁇ 10 20
- the ratio of the silica gel particles used Since the surface area is 332 m 2 / g
- the polymerization initiating group density in the silica gel particles (a) is calculated as 1.28 particles / nm 2 .
- the solution in the container was filtered under reduced pressure, the filtrate was washed with pure water and methanol, and the graft chain PMMA was collected on the filter paper.
- PMMA on the filter paper was purified and isolated by dissolving in chloroform and then removing the chloroform under reduced pressure. The graft chain (PMMA) thus separated is taken as a sample (c).
- Mn number average molecular weight
- Mw weight average molecular weight
- sample (c) is weighed in a sample holder for thermogravimetric analysis and heated to 900 ° C. under an oxygen stream to oxidatively decompose all the polymerization initiating groups and PMMA components bonded to the surface. Removed.
- the amount is the weight of the graft chain (PMMA). Since the weight at 150 ° C. was 7.51 mg and the weight at 900 ° C. was 4.50 mg, from 7.51 mg of 7.51 mg of the particles in which PMMA was covalently bonded to the silica gel particles via the polymerization initiating group, It is calculated that 3.01 mg minus 4.50 mg was graft chain (PMMA).
- the graft chain weight per gram of silica gel particles in the sample (c) is 0.67 g.
- N A represents the Avogadro number.
- Example 2 Production of Silica Gel Concentrated Polymer Brush
- the silica gel particles used in Example 1 were obtained by using silica gel particles SP-300-5 (average particle size: 4.9 ⁇ m, specific surface area: 97 m 2 / g, manufactured by Daiso Co., Ltd.)
- Sample (b) particles (from the polymerization initiation group on the surface of silica gel particles (a)) in the same manner as in Example 1, except that the volume was changed to 0.75 cc / g and the maximum pore diameter was 31.8 nm.
- Silica gel particles grafted with PMMA Table 1 shows the physical properties of the silica gel particles and graft chains in the obtained particles.
- Example 3 Production of Silica Gel Concentrated Polymer Brush
- the silica gel particles used in Example 1 were obtained by using silica gel particles SP-1000-5 manufactured by Daiso Corporation (average particle size: 4.4 ⁇ m, specific surface area: 25 m 2 / g, pores) Particles of sample (b) were obtained in the same manner as in Example 1 except that the volume was changed to 0.84 cc / g and the maximum pore diameter was 99.3 nm.
- Table 1 shows the physical properties of the silica gel particles and graft chains in the obtained particles.
- sample (b) of Examples 1 and 3 were each dispersed in a dispersion solvent, passed through a mesh, and then packed into a stainless steel column having a diameter of 0.46 mm ⁇ length of 15 cm.
- Sample (b) of Example 1 Column 1 packed with the particles of Example 3 and column 3 packed with the particles of the sample (b) of Example 3 were obtained.
- test samples 2 to 12 having the following structures, that is, naphthacene (sample 2), anthracene (sample 3), naphthalene (sample 4), pyrene (sample 5) Phenanthrene (sample 6), pyrylene (sample 7), triphenylene (sample 8), o-terphenyl (sample 9), 9,10-dihydrophenanthrene (sample 10), trans-stilbene (sample 11), and cis- An analytical test of stilbene (sample 12) was performed. Table 2 shows the analysis conditions in this analysis test.
- FIGS. 1 to 11 The chromatograms of samples 2 to 12 using column 1 are shown in FIGS. 1 to 11, and the chromatograms of samples 2 to 12 using column 3 are shown in FIGS. Table 3 shows the elution time (minutes) of each sample in each column.
- Comparative Example 1 A silica gel column packed with a stainless steel column having a particle diameter of 5 ⁇ m and surface unbound silica gel of 0.46 mm diameter ⁇ 15 cm length.
- Comparative Example 2 A silica gel column packed with a stainless steel column having a particle diameter of 5 ⁇ m and octadecylsilyl group-bonded silica gel having a diameter of 0.46 mm and a length of 15 cm.
- Comparative Example 3 Commercial phase silica gel column for normal phase (YMC-Pack Diol-NP, manufactured by YMC Corporation) having a particle size of 5 ⁇ m and a dihydroxypropyl group bonded to the surface.
- Comparative Example 4 A normal-phase / reverse-phase commercial silica gel column (YMC-Pack CN, manufactured by YMC Corporation) having a particle size of 5 ⁇ m and a cyanopropyl group bonded to the surface.
- both the column 1 and the column 3 have separation performance for structural isomers and compounds having similar structures in the separation of polycyclic aromatic hydrocarbons.
- the column 1 has higher separation performance than the column 3.
- the column 3 has a separation performance equal to or higher than the column of the comparative example 4 having the highest separation performance among the columns of the comparative example.
- Example 4 Production of Silica Gel Concentrated Polymer Brush 1) Graft Reaction from Polymerization Initiating Group on Surface of Silica Gel Particle (a) Silica Gel Particle SP-120-5 (Average Particle Size: 4. 3 ⁇ m, specific surface area: 332 m 2 / g, pore volume: 1.02 cc / g, average pore diameter: 12.3 nm) were used, and silica gel particles (a) in which a polymerization initiating group was covalently bonded to the surface were used.
- the graft reaction from the polymerization initiation group on the surface of the silica gel particles was performed as follows.
- ⁇ Graft reaction> Into a 300 mL eggplant flask, 7 g of silica gel particles (a) were put, 6.0 g of copper bromide (CuBr 2 ) and 8.4 g of 2,2-dipyridyl were put in, and vacuum-dried for 1.5 hours. The flask was purged with argon. To this flask, 165 mL of hydroxyethyl methacrylate (HEMA) was added. To this, 64 mL of methanol and 4.5 mL of tin (II) 2-ethylhexanoate were added, and finally 3.0 mL of ethyl-2-bromoisobutyrate was added. The graft reaction was allowed to stand in an oil bath. After reacting for 6 hours, the polymerization was stopped by cooling to room temperature.
- HEMA hydroxyethyl methacrylate
- Example 2 2) Structural analysis of the manufactured silica gel concentrated polymer brush
- the graft chain was separated from the silica gel particles (sample (b)) grafted with PHEMA from the polymerization initiation group on the surface of the silica gel particles (a). did.
- the separated graft chain (PHEMA) is taken as a sample (c).
- Sample (c) was analyzed in the same manner as in Example 1 except that DMSO was used as the GPC solvent for molecular weight measurement. The results obtained are shown in Table 5.
- Example 5 Production of Silica Gel Concentrated Polymer Brush Silica Gel Particles SP-1000-5 manufactured by Daiso Corporation as in Example 3 (average particle size: 4.4 ⁇ m, specific surface area: 25 m 2 / g, pore volume: (0. 84) Polymerization initiating groups on the surface of silica gel particles in the same manner as in Example 4 using silica gel particles having a polymerization initiating group covalently bonded to the surface prepared using cc / g, maximum pore diameter: 99.3 nm) Silica gel particles (sample (b)) grafted with PHEMA were obtained. Table 5 shows the physical properties of the silica gel particles and graft chains in the obtained particles.
- sample (b) of Examples 4 and 5 were each dispersed in a dispersion solvent, passed through a mesh, and then packed into a stainless steel column having a diameter of 0.46 mm ⁇ length of 25 cm.
- Sample (b) of Example 4 The column 4 packed with the particles of No. 4 and the column 5 packed with the particles of the sample (b) of Example 5 were obtained.
- test samples 2 to 12 having the above structure that is, naphthacene (sample 2), anthracene (sample 3), naphthalene (sample 4), and pyrene (sample 5) were performed by a liquid chromatograph.
- FIGS. 84 to 94 show the chromatograms of samples 2 to 12 using column 5.
- Table 7 shows the elution time (min) of each sample in each column.
- both the column 4 and the column 5 have separation performance for structural isomers and compounds having similar structures in the separation of polycyclic aromatic hydrocarbons.
- Example 6 Analytical test by super-critical fluid chromatography (SFC) [packing and evaluation results]
- the particles of sample (b) of Examples 1 and 3 were each dispersed in a dispersion solvent, passed through a mesh, and then packed into a stainless steel column having a diameter of 0.46 mm ⁇ length of 25 cm.
- Sample (b) of Example 1 The column 1s formed by filling the particles and the column 3s formed by filling the particles of the sample (b) of Example 3 were obtained.
- test samples 2 to 12 having the following structures, that is, naphthacene (sample 2), anthracene (sample 3), naphthalene (sample 4), and pyrene (sample) are obtained by a supercritical fluid chromatography apparatus. 5), phenanthrene (sample 6), pyrylene (sample 7), triphenylene (sample 8), o-terphenyl (sample 9), 9,10-dihydrophenanthrene (sample 10), trans-stilbene (sample 11), and An analytical test of cis-stilbene (sample 12) was performed. Table 9 shows the analysis conditions in this analysis test.
- sample (b) of Examples 4 and 5 were each dispersed in a dispersion solvent, passed through a mesh, and then packed into a stainless steel column having a diameter of 0.46 mm ⁇ length of 25 cm.
- Sample (b) of Example 4 The column 4s formed by filling the particles and the column 5s formed by filling the particles of the sample (b) of Example 5 were obtained.
- test samples 2 to 12 having the above structure that is, naphthacene (sample 2), anthracene (sample 3), naphthalene (sample 4), and pyrene (sample) are obtained by a supercritical fluid chromatograph.
- FIGS. 101 to 110 The chromatograms of samples 2 to 12 using column 1s are shown in FIGS. 101 to 110, and the chromatograms of samples 2 to 12 using column 3s are shown in FIGS. 111 to 121, respectively.
- Table 10 shows the elution time (minutes) of each sample in each column.
- FIGS. 133 to 143 show chromatograms of samples 2 to 12 using column 5s.
- Table 11 shows the elution time (min) of each sample in each column.
- columns 1s, 3s, 4s, and column 5s all have separation performance for structural isomers and similar compounds in the separation of polycyclic aromatic hydrocarbons. ing.
- the fine particles for chromatography of the present invention have a molecular weight distribution wider than the molecular weight distribution of the graft polymer chain in the conventional polymer brush type solid, more kinds than the conventional separating agent having the graft polymer chain. It is expected that the separation performance of the polymer brush type separation agent is different from that of the conventional separation agent, such as the expression of the separation ability for the compound of the above, or an excellent separation ability is expected.
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Graft Or Block Polymers (AREA)
- Polymerisation Methods In General (AREA)
Abstract
Description
a)グラフト高分子鎖が下記式(1)で表される同一又は異なる繰返し単位を含み、
b)グラフト高分子鎖の数平均分子量が500以上300,000以下であり、
c)グラフト高分子鎖の分子量分布が1.4以上5.0以下であり、
d)固体粒子表面上のグラフト高分子鎖の密度が0.03鎖/nm2以上0.70鎖/nm2以下である、ことを特徴とするクロマト用微粒子を提供する。
また本発明は、前記固体粒子が真球状であり、固体粒子の単位重量当たりの比表面積が20~450m2/gであり、固体粒子の単位重量当たりの細孔容積が0.7~1.1cc/gである前記のクロマト用微粒子を提供する。
1)シリカゲル粒子への重合開始基の導入
ディーンスタークトラップをつけた500mLフラスコに、ダイソー社製シリカゲル粒子SP-120-5(平均粒子径:4.3μm、比表面積:332m2/g、細孔容積:1.02cc/g、平均細孔径:12.3nm)8g及びトルエン100mLを入れ、130℃で3時間還流した後、(2-ブロモ-2-メチル)プロピオニルオキシヘキシルトリメトキシシラン(BHM)21.3gを添加し、さらに3時間還流により脱水した。室温まで冷却後、n-ヘキサン中にシリカゲル粒子を分散させた後、粒子を沈殿させ、上澄み液を除去した。この操作を13回繰り返すことで精製し、表面に重合開始基が共有結合したシリカゲル粒子(a)を得た。
シリカゲル粒子(a)4.29mgを熱重量分析用の試料ホルダーに量り取り、酸素気流下で900℃まで加熱することで、表面に結合している重合開始基を全て酸化分解して除去した。
以下において、試薬は全てあらかじめ減圧脱気、アルゴン置換を行い、アルゴン雰囲気にした容器内で保管したものを使用した。
100mLナスフラスコに臭化銅(CuBr2)を1.7g、4,4-ジノニル-2,
2-ジピリジルを6.3g入れ、フラスコ内をアルゴン置換した。このフラスコに、メチルメタクリレート(MMA)40mLを添加し、調液(A)を調製した。
30mLナスフラスコに錫(II)2-エチルヘキサノエートを4.8mL、及び、トルエン12.5mLを添加し、調液(B)を調製した。
30mLナスフラスコにエチル-2-ブロモイソブチレートを1.6mL、トルエン12.5mLを添加し、調液(C)を調製した。
シュレンクフラスコにシリカゲル粒子(a)4gを入れ、1.5時間真空乾燥した。このフラスコ内をアルゴン雰囲気にした後、トルエン10.6mLを添加し、その後調液(A)を30.0mL、調液(B)を3.0mL、調液(C)を1.0mLそれぞれ添加した。このフラスコを90℃のオイルバス内に静置しグラフト反応を進行させた。6時間反応させた後、室温まで冷却することで重合を停止させた。
重合停止後のフラスコに、400mLのクロロホルムを10回に分けて添加し、フラスコ内の粒子の全てを500mLビーカーに移し、クロロホルム中にシリカゲル粒子を分散させた後、粒子を沈殿させ、上澄みのクロロホルムを除去した。このフラスコに400mLのクロロホルムを添加し、クロロホルムにシリカゲル粒子を分散させて、クロロホルム可能成分を溶解させた後、粒子を沈殿させ、再び上澄みのクロロホルムを除去した。この操作を15回繰り返し行った後、真空乾燥を8時間行い、シリカゲル粒子(a)の表面の重合開始基にPMMAがグラフトしたシリカゲル粒子を得た。この粒子を試料(b)とする。
<グラフト鎖の分離(シリカゲル溶解)>
シリカゲル粒子(a)の表面の重合開始基よりPMMAがグラフトしたシリカゲル粒子(試料(b))40mgをプラスチック容器に量りとった。17重量%に調液したフッ化水素アンモニウム(Ammonium Hydrogen Fluoride)水溶液とメタノールを体積比で1:1で調液した混合液をプラスチック容器に添加した後、3日間静置することで基材のシリカゲル粒子を溶解させた。この容器内の溶液を減圧濾過し、ろ過物を純水、メタノールで洗浄して、グラフト鎖のPMMAを濾紙上に回収した。濾紙上のPMMAは、クロロホルムで溶解させた後、クロロホルムを減圧で除去することで精製単離した。このようにして分離したグラフト鎖(PMMA)を試料(c)とする。
グラフト鎖である試料(c)の分子量は、通常のGPC法で以下の測定条件で測定した。
(測定条件)
溶媒:クロロホルム
サンプル濃度:2mg/mL
流速:1.0mL/min
温度:40℃
カラム:昭和電工社製 Shodex 806L (3本直列)
検出器:Viscotek社製 TDA302
試料(c)7.59mgを熱重量分析用の試料ホルダーに量り取り、酸素気流下で900℃まで加熱することで、表面に結合している重合開始基、及びPMMA成分を全て酸化分解して除去した。
グラフト密度=0.67×NA/(13,600×332)/1018=0.09(鎖/nm2)
ここで、NAはアボガドロ数を表す。
実施例1で使用したシリカゲル粒子を、ダイソー社製シリカゲル粒子SP-300-5(平均粒子径:4.9μm、比表面積:97m2/g、細孔容積:0.75cc/g、極大細孔径:31.8nm)に変更した以外は実施例1記載の方法と同様にして試料(b)の粒子(シリカゲル粒子(a)の表面の重合開始基よりPMMAがグラフトしたシリカゲル粒子)を得た。得られた粒子におけるシリカゲル粒子及びグラフト鎖の物性を表1に示す。
実施例1で使用したシリカゲル粒子を、ダイソー社製シリカゲル粒子SP-1000-5(平均粒子径:4.4μm、比表面積:25m2/g、細孔容積:0.84cc/g、極大細孔径:99.3nm)に変更した以外は実施例1記載の方法と同様にして試料(b)の粒子を得た。得られた粒子におけるシリカゲル粒子及びグラフト鎖の物性を表1に示す。
実施例1及び3の試料(b)の粒子をそれぞれ分散溶剤に分散し、メッシュを通した後、直径0.46mm×長さ15cmのステンレス製カラムに充填し、実施例1の試料(b)の粒子を充填してなるカラム1、及び実施例3の試料(b)の粒子を充填してなるカラム3のそれぞれを得た。得られたカラム1及び3を用いて、液体クロマトグラフィー装置により、下記構造の試験サンプル2~12、すなわちナフタセン(サンプル2)、アントラセン(サンプル3)、ナフタレン(サンプル4)、ピレン(サンプル5)、フェナントレン(サンプル6)、ピリレン(サンプル7)、トリフェニレン(サンプル8)、o-ターフェニル(サンプル9)、9,10-ジヒドロフェナントレン(サンプル10)、トランス-スチルベン(サンプル11)、及びシス-スチルベン(サンプル12)、の分析試験を行った。この分析試験における分析条件を表2に示す。
比較例1:粒子径5μm、表面未結合シリカゲルを直径0.46mm×長さ15cmのステンレス製カラムに充填したシリカゲルカラム。
比較例2:粒子径5μm、オクタデシルシリル基結合型シリカゲルを直径0.46mm×長さ15cmのステンレス製カラムに充填したシリカゲルカラム。
比較例3:粒子径5μm、ジヒドロキシプロピル基が表面に結合された順相用市販シリカゲルカラム(YMC-Pack Diol-NP、(株)ワイエムシー社製)。
比較例4:粒子径5μm、シアノプロピル基が表面に結合された順相・逆相両用市販シリカゲルカラム(YMC-Pack CN、(株)ワイエムシー社製)。
k’=(t-t0)/t0
1)シリカゲル粒子(a)の表面の重合開始基からのグラフト反応
実施例1と同じダイソー社製シリカゲル粒子SP-120-5(平均粒子径:4.3μm、比表面積:332m2/g、細孔容積:1.02cc/g、平均細孔径:12.3nm)を用いて調整した表面に重合開始基が共有結合したシリカゲル粒子(a)を使い、このシリカゲル粒子の表面の重合開始基からのグラフト反応を、以下のように行った。
300mLナスフラスコにシリカゲル粒子(a)7gを入れ、臭化銅(CuBr2)を6.0g、2,2-ジピリジルを8.4g入れ、1.5時間真空乾燥した。フラスコ内をアルゴン置換した。このフラスコに、ヒドロキシエチルメタクリレート(HEMA)165mLを添加した。ここに、さらにメタノール64mL、錫(II)2-エチルヘキサノエートを4.5mLを添加し、最後にエチル-2-ブロモイソブチレートを3.0mLを添加した後、このフラスコを60℃のオイルバス内に静置しグラフト反応を進行させた。6時間反応させた後、室温まで冷却することで重合を停止させた。
重合停止後のフラスコに、100mLのメタノールを添加し、フラスコ内の粒子の全てを300mLビーカーに移し、メタノール中にシリカゲル粒子を分散させた後、粒子を沈殿させ、上澄みのメタノールを除去した。このフラスコに100mLのメタノールを添加し、メタノールにシリカゲル粒子を分散させて、メタノール可能成分を溶解させた後、粒子を沈殿させ、再び上澄みのメタノールを除去した。この操作を15回繰り返し行った後、真空乾燥を8時間行い、シリカゲル粒子(a)の表面の重合開始基にPHEMAがグラフトしたシリカゲル粒子を得た。この粒子を試料(b)とする。
実施例1と同様の方法で、シリカゲル粒子(a)の表面の重合開始基よりPHEMAがグラフトしたシリカゲル粒子(試料(b))より、グラフト鎖を分離した。分離したグラフト鎖(PHEMA)を試料(c)とする。
分子量測定のGPC溶媒をDMSOを用いた以外は、実施例1と同様の方法で、試料(c)の分析を行った。得られた結果を表5に示す。
実施例3と同じダイソー社製シリカゲル粒子SP-1000-5(平均粒子径:4.4μm、比表面積:25m2/g、細孔容積:(0.84)cc/g、極大細孔径:99.3nm)を用いて調整した表面に重合開始基が共有結合したシリカゲル粒子を使い、実施例4と同様の操作で、シリカゲル粒子の表面の重合開始基にPHEMAがグラフトしたシリカゲル粒子(試料(b))を得た。得られた粒子におけるシリカゲル粒子及びグラフト鎖の物性を表5に示す。
実施例4及び5の試料(b)の粒子をそれぞれ分散溶剤に分散し、メッシュを通した後、直径0.46mm×長さ25cmのステンレス製カラムに充填し、実施例4の試料(b)の粒子を充填してなるカラム4、及び実施例5の試料(b)の粒子を充填してなるカラム5のそれぞれを得た。得られたカラム4及び5を用いて、液体クロマトグラフ装置により、上記構造の試験サンプル2~12、すなわちナフタセン(サンプル2)、アントラセン(サンプル3)、ナフタレン(サンプル4)、ピレン(サンプル5)、フェナントレン(サンプル6)、ピリレン(サンプル7)、トリフェニレン(サンプル8)、o-ターフェニル(サンプル9)、9,10-ジヒドロフェナントレン(サンプル10)、トランス-スチルベン(サンプル11)、及びシス-スチルベン(サンプル12)、の分析試験を行った。この分析試験における分析条件を表6に示す。
k’=(t-t0)/t0
[充填及び評価結果]
実施例1及び3の試料(b)の粒子をそれぞれ分散溶剤に分散し、メッシュを通した後、直径0.46mm×長さ25cmのステンレス製カラムに充填し、実施例1の試料(b)の粒子を充填してなるカラム1s、及び実施例3の試料(b)の粒子を充填してなるカラム3sのそれぞれを得た。得られたカラム1s及び3sを用いて、超臨界流体クロマトグラフィー装置により、下記構造の試験サンプル2~12、すなわちナフタセン(サンプル2)、アントラセン(サンプル3)、ナフタレン(サンプル4)、ピレン(サンプル5)、フェナントレン(サンプル6)、ピリレン(サンプル7)、トリフェニレン(サンプル8)、o-ターフェニル(サンプル9)、9,10-ジヒドロフェナントレン(サンプル10)、トランス-スチルベン(サンプル11)、及びシス-スチルベン(サンプル12)、の分析試験を行った。この分析試験における分析条件を表9に示す。
k’=(t-t0)/t0
Claims (9)
- 固体粒子と、固体粒子表面に共有結合した重合開始基と、この重合開始基を介して高分子鎖がグラフトされてなるグラフト高分子鎖とを有するクロマト用微粒子であって、
a)グラフト高分子鎖が下記式(1)で表される同一又は異なる繰返し単位を含み、
b)グラフト高分子鎖の数平均分子量が500以上300,000以下であり、
c)グラフト高分子鎖の分子量分布が1.4以上5.0以下であり、
d)固体粒子表面上のグラフト高分子鎖の密度が0.03鎖/nm2以上0.70鎖/nm2以下であることを特徴とするクロマト用微粒子。
R1は独立して下記式(2)で表される基、又は、一又は二以上の置換基R5を有するフェニル基又はナフチル基を表し、
R2~R4はそれぞれ独立して-H又は-CH3を表し、
R5は、独立して、炭素数1~20のアルキル基、アルキル基中に10個までの炭素原子を有するアルキルフェニル基、-OH、アルキル基中に10個までの炭素原子を有するアルコキシ、シアノ、アミノ、アルキル基中に10個までの炭素原子を有するモノアルキルアミノ、各アルキル基中に10個までの炭素原子を有するジアルキルアミノ、各アルキル基中に10個までの炭素原子を有するトリアルキルアンモニウム、カルボキシル、スルホニル、アセトアミノ、又はアセトキシ基を表す。)
Xは、-OH、-OR6又は-NR7R8を表し、
R6は、それぞれ一又は二以上の置換基を有していてもよい、炭素数1~20のアルキル基、フェニル基、ナフチル基、アルキル基中に10個までの炭素原子を有するフェニルアルキル基、アルキル基中に10個までの炭素原子を有するナフチルアルキル基、アルキル基中に10個までの炭素原子を有するアルキルフェニル基、又はアルキル基中に10個までの炭素原子を有するアルキルナフチル基を表し、
R7及びR8は、それぞれ、炭素数1~10のアルキル基、フェニル基、アルキル基中に10個までの炭素原子を有するフェニルアルキル基、又はアルキル基中に10個までの炭素原子を有するアルキルフェニル基を表し、
R6が有していてもよい置換基は、独立して、-OH、炭素数1~10のアルコキシ、シアノ、アミノ、炭素数1~10のモノアルキルアミノ、各アルキル基における炭素数が1~10のジアルキルアミノ、各アルキル基における炭素数が1~10のトリアルキルアンモニウム、カルボキシル、スルホニル、アセトアミノ又はアセトキシ基である。) - 前記グラフト高分子鎖の分子量分布が1.5以上5.0以下であることを特徴とする請求項1に記載のクロマト用微粒子。
- 前記固体粒子が真球状であり、固体粒子の単位重量当たりの比表面積が20~450m2/gであり、固体粒子の単位重量当たりの細孔容積が0.7~1.1cc/gであることを特徴とする請求項1又は2に記載のクロマト用微粒子。
- 粒子状の分離剤を用いるクロマトグラフィーにおいて、
前記分離剤が請求項1~4のいずれか一項に記載のクロマト用微粒子であり、
前記クロマトグラフィーが、ガスクロマトグラフィー、液体クロマトグラフィー、薄層クロマトグラフィー、又は超臨界流体クロマトグラフィーであることを特徴とするクロマトグラフィー。 - 超臨界流体クロマトグラフィーが、超臨界二酸化炭素からなる超臨界流体、亜臨界流体二酸化炭素からなる亜臨界流体、又は、超臨界流体二酸化炭素と添加剤との混合流体を移動相とすることを特徴とする請求項5に記載のクロマトグラフィー。
- 低極性有機溶剤と、これよりも極性の高い中高極性有機溶剤とを含む混合溶剤を移動相とする順相系クロマトグラフィーであることを特徴とする請求項5に記載のクロマトグラフィー。
- 分子量10,000以下の低分子量化合物を分離対象とすることを特徴とする請求項5~7のいずれか一項に記載のクロマトグラフィー。
- 同一の組成式で表される二種の異性体を分離対象とすることを特徴とする請求項5~8のいずれか一項に記載のクロマトグラフィー。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012529631A JPWO2012023615A1 (ja) | 2010-08-20 | 2011-08-19 | クロマト用微粒子及びそれを用いるクロマトグラフィー |
US13/816,051 US20130133516A1 (en) | 2010-08-20 | 2011-08-19 | Fine particles for chromatography and chromatography using same |
CN201180039904XA CN103038268A (zh) | 2010-08-20 | 2011-08-19 | 用于色谱法的细粒和使用其的色谱法 |
EP11818255.9A EP2607392A1 (en) | 2010-08-20 | 2011-08-19 | Fine particles for chromatography and chromatography using same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010184961 | 2010-08-20 | ||
JP2010-184961 | 2010-08-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012023615A1 true WO2012023615A1 (ja) | 2012-02-23 |
Family
ID=45605267
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2011/068795 WO2012023615A1 (ja) | 2010-08-20 | 2011-08-19 | クロマト用微粒子及びそれを用いるクロマトグラフィー |
Country Status (5)
Country | Link |
---|---|
US (1) | US20130133516A1 (ja) |
EP (1) | EP2607392A1 (ja) |
JP (1) | JPWO2012023615A1 (ja) |
CN (1) | CN103038268A (ja) |
WO (1) | WO2012023615A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012131928A (ja) * | 2010-12-22 | 2012-07-12 | Asahi Kasei Chemicals Corp | 成膜性を有する有機−無機複合体及びその製造方法 |
WO2014058570A1 (en) * | 2012-09-17 | 2014-04-17 | Alltech Associates, Inc. | Chromatography media and devices |
WO2016152996A1 (ja) * | 2015-03-24 | 2016-09-29 | 株式会社ダイセル | 超臨界流体クロマトグラフィー用の固定相 |
WO2021192546A1 (ja) * | 2020-03-27 | 2021-09-30 | 日東電工株式会社 | 孔の表面が改質された多孔質基材の製造方法及び孔の表面が改質された多孔質基材 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9518960B2 (en) * | 2013-10-02 | 2016-12-13 | Waters Technologies Corporation | System and method for rapid analysis of polycyclic aromatic hydrocarbons |
US11389783B2 (en) | 2014-05-02 | 2022-07-19 | W.R. Grace & Co.-Conn. | Functionalized support material and methods of making and using functionalized support material |
ES2896897T3 (es) | 2015-06-05 | 2022-02-28 | Grace W R & Co | Agentes de clarificación para el bioprocesamiento de adsorbentes y métodos para producir y usar los mismos |
US20210140010A1 (en) * | 2019-05-21 | 2021-05-13 | Seth G.P. Babcock | Devices, methods, and systems for combined ore reduction and metals stripping |
CN110470762B (zh) * | 2019-08-22 | 2021-11-02 | 陕西延长石油(集团)有限责任公司研究院 | 一种提高芳烃参数定量评价烃源岩成熟度准确度的方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04249762A (ja) * | 1990-02-24 | 1992-09-04 | Merck Patent Gmbh | 分離材料 |
JPH07318551A (ja) * | 1994-05-23 | 1995-12-08 | Res Dev Corp Of Japan | クロマトグラフィ−方法及び該方法に使用するクロマトグラフィ−用充填剤 |
JPH11263819A (ja) * | 1998-03-16 | 1999-09-28 | Japan Science & Technology Corp | グラフト表面固体とその製造方法 |
JP2004331776A (ja) | 2003-05-06 | 2004-11-25 | Japan Organo Co Ltd | グラフト修飾有機多孔質体及びその製造方法 |
JP2006312117A (ja) | 2005-05-06 | 2006-11-16 | Canon Inc | 生理活性物質の分離用材料及びその製造方法 |
JP2007069193A (ja) | 2005-09-02 | 2007-03-22 | Mitsuo Okano | 温度応答性クロマトグラフィー担体、製造方法及びそれを用いた温度応答性クロマトグラフィー法 |
WO2008087909A1 (ja) * | 2007-01-16 | 2008-07-24 | Sumitomo Bakelite Company, Ltd. | 医療用粒子、及び分析用粒子、並びにそれらの製造方法 |
JP2009085933A (ja) | 2007-09-27 | 2009-04-23 | Mitsuo Okano | 温度応答性クロマトグラフィー担体製造方法、それより得られるクロマトグラフィー担体及びその利用方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3811042A1 (de) * | 1988-03-31 | 1989-10-19 | Merck Patent Gmbh | Ionenaustauscher |
WO1998033064A1 (fr) * | 1997-01-24 | 1998-07-30 | Amersham Pharmacia Biotech K.K. | Procede de separation d'amino-acides pth |
ES2319349T3 (es) * | 1998-05-22 | 2009-05-06 | Cellseed Inc. | Relleno cromatografico que tiene un metodo caracteristico para separar una sustancia y utilizacion del mismo. |
-
2011
- 2011-08-19 EP EP11818255.9A patent/EP2607392A1/en not_active Withdrawn
- 2011-08-19 WO PCT/JP2011/068795 patent/WO2012023615A1/ja active Application Filing
- 2011-08-19 JP JP2012529631A patent/JPWO2012023615A1/ja not_active Withdrawn
- 2011-08-19 CN CN201180039904XA patent/CN103038268A/zh active Pending
- 2011-08-19 US US13/816,051 patent/US20130133516A1/en not_active Abandoned
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04249762A (ja) * | 1990-02-24 | 1992-09-04 | Merck Patent Gmbh | 分離材料 |
JPH07318551A (ja) * | 1994-05-23 | 1995-12-08 | Res Dev Corp Of Japan | クロマトグラフィ−方法及び該方法に使用するクロマトグラフィ−用充填剤 |
JPH11263819A (ja) * | 1998-03-16 | 1999-09-28 | Japan Science & Technology Corp | グラフト表面固体とその製造方法 |
JP3422463B2 (ja) | 1998-03-16 | 2003-06-30 | 科学技術振興事業団 | グラフト表面固体とその製造方法 |
JP2004331776A (ja) | 2003-05-06 | 2004-11-25 | Japan Organo Co Ltd | グラフト修飾有機多孔質体及びその製造方法 |
JP2006312117A (ja) | 2005-05-06 | 2006-11-16 | Canon Inc | 生理活性物質の分離用材料及びその製造方法 |
JP2007069193A (ja) | 2005-09-02 | 2007-03-22 | Mitsuo Okano | 温度応答性クロマトグラフィー担体、製造方法及びそれを用いた温度応答性クロマトグラフィー法 |
WO2008087909A1 (ja) * | 2007-01-16 | 2008-07-24 | Sumitomo Bakelite Company, Ltd. | 医療用粒子、及び分析用粒子、並びにそれらの製造方法 |
JP2009085933A (ja) | 2007-09-27 | 2009-04-23 | Mitsuo Okano | 温度応答性クロマトグラフィー担体製造方法、それより得られるクロマトグラフィー担体及びその利用方法 |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012131928A (ja) * | 2010-12-22 | 2012-07-12 | Asahi Kasei Chemicals Corp | 成膜性を有する有機−無機複合体及びその製造方法 |
WO2014058570A1 (en) * | 2012-09-17 | 2014-04-17 | Alltech Associates, Inc. | Chromatography media and devices |
JP2015535929A (ja) * | 2012-09-17 | 2015-12-17 | ダブリュー・アール・グレース・アンド・カンパニー−コーンW R Grace & Co−Conn | クロマトグラフィー担体及びデバイス |
WO2016152996A1 (ja) * | 2015-03-24 | 2016-09-29 | 株式会社ダイセル | 超臨界流体クロマトグラフィー用の固定相 |
JPWO2016152996A1 (ja) * | 2015-03-24 | 2018-01-18 | 株式会社ダイセル | 超臨界流体クロマトグラフィー用の固定相 |
JP2021015129A (ja) * | 2015-03-24 | 2021-02-12 | 株式会社ダイセル | 超臨界流体クロマトグラフィー用の固定相 |
US11065558B2 (en) | 2015-03-24 | 2021-07-20 | Daicel Corporation | Stationary phase for supercritical fluid chromatography |
JP7061172B2 (ja) | 2015-03-24 | 2022-04-27 | 株式会社ダイセル | 超臨界流体クロマトグラフィー用の固定相 |
EP4063849A1 (en) * | 2015-03-24 | 2022-09-28 | Daicel Corporation | Stationary phase for supercritical fluid chromatography |
WO2021192546A1 (ja) * | 2020-03-27 | 2021-09-30 | 日東電工株式会社 | 孔の表面が改質された多孔質基材の製造方法及び孔の表面が改質された多孔質基材 |
JP2021155704A (ja) * | 2020-03-27 | 2021-10-07 | 日東電工株式会社 | 孔の表面が改質された多孔質基材の製造方法及び孔の表面が改質された多孔質基材 |
JP7303227B2 (ja) | 2020-03-27 | 2023-07-04 | 日東電工株式会社 | 孔の表面が改質された多孔質基材の製造方法及び孔の表面が改質された多孔質基材 |
Also Published As
Publication number | Publication date |
---|---|
EP2607392A1 (en) | 2013-06-26 |
JPWO2012023615A1 (ja) | 2013-10-28 |
US20130133516A1 (en) | 2013-05-30 |
CN103038268A (zh) | 2013-04-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2012023615A1 (ja) | クロマト用微粒子及びそれを用いるクロマトグラフィー | |
JP5144535B2 (ja) | マクロ孔質カチオン交換樹脂の製造方法 | |
JP5580379B2 (ja) | 重合体吸着剤及び製造方法 | |
Gong et al. | Preparation of molecularly imprinted polymers for artemisinin based on the surfaces of silica gel | |
Tijunelyte et al. | Hydrophilic monolith with ethylene glycol-based grafts prepared via surface confined thiol-ene click photoaddition | |
Li et al. | Preparation and evaluation of hydrophilic C18 monolithic sorbents for enhanced polar compound retention in liquid chromatography and solid phase extraction | |
Iacob et al. | Recent advances in capillary electrochromatography using molecularly imprinted polymers | |
Walsh et al. | Synthesis of imprinted beads by aqueous suspension polymerisation for chiral recognition of antihistamines | |
Zhang et al. | Green synthesis of mesoporous molecular sieve incorporated monoliths using room temperature ionic liquid and deep eutectic solvents | |
JP5106524B2 (ja) | 光学異性体分離用充填剤 | |
Rahmati et al. | A biocompatible high surface area ZnO-based molecularly imprinted polymer for the determination of meloxicam in water media and plasma | |
Zhou et al. | A novel hydroquinidine imprinted microsphere using a chirality-matching N-Acryloyl-l-phenylalanine monomer for recognition of cinchona alkaloids | |
JP2010529210A (ja) | 架橋された球形粒子を含む新しいポリマー材料、該材料を製造する方法およびそれらの使用 | |
Haginaka et al. | Uniformly sized molecularly imprinted polymers for d-chlorpheniramine: Influence of a porogen on their morphology and enantioselectivity | |
Martel et al. | Sorption of aromatic compounds in water using polymer sorbents containing amino groups | |
US20040060871A1 (en) | Packing material for separation of optical isomer and method of separating optical isomer with the same | |
Chen et al. | Preparation and evaluation of monolithic molecularly imprinted stationary phase for S-naproxen | |
JP6810039B2 (ja) | 超臨界流体クロマトグラフィー用の固定相 | |
Guo et al. | Enantioseparation in high performance liquid chromatography: preparation and evaluation of a vancomycin-based chiral stationary phase via surface-initiated atom transfer radical polymerization | |
Bayraktar et al. | Click-chemistry for surface modification of monodisperse-macroporous particles | |
US11040330B2 (en) | Chromatography stationary phase | |
JP2007170907A (ja) | アルコキシアルキルアクリレートがグラフト重合した充填剤 | |
Panahi et al. | Fabrication of new drug imprinting polymer beads for selective extraction of naproxen in human urine and pharmaceutical samples | |
Lis et al. | Ionic liquid-based functionalized materials for analytical chemistry | |
Zarei et al. | Selective determination of 2, 4, 6-trinitrotoluene in water samples based on magnetic imprinted nanoparticles via grafting polymerization |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201180039904.X Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11818255 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13816051 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 2012529631 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2011818255 Country of ref document: EP |