WO2022186224A1 - マイクロ粒子及びマイクロ粒子分散液 - Google Patents
マイクロ粒子及びマイクロ粒子分散液 Download PDFInfo
- Publication number
- WO2022186224A1 WO2022186224A1 PCT/JP2022/008668 JP2022008668W WO2022186224A1 WO 2022186224 A1 WO2022186224 A1 WO 2022186224A1 JP 2022008668 W JP2022008668 W JP 2022008668W WO 2022186224 A1 WO2022186224 A1 WO 2022186224A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- group
- fluorine
- microparticles
- polymer
- microparticle
- Prior art date
Links
- 239000011859 microparticle Substances 0.000 title claims abstract description 166
- 239000006185 dispersion Substances 0.000 title claims description 33
- 229920000642 polymer Polymers 0.000 claims abstract description 96
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 92
- 239000011737 fluorine Substances 0.000 claims abstract description 75
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 68
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims abstract description 53
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 14
- 229920005573 silicon-containing polymer Polymers 0.000 claims abstract description 9
- 239000002245 particle Substances 0.000 claims description 112
- 125000004432 carbon atom Chemical group C* 0.000 claims description 50
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 36
- 125000001153 fluoro group Chemical group F* 0.000 claims description 36
- 229910052760 oxygen Inorganic materials 0.000 claims description 36
- 239000001301 oxygen Substances 0.000 claims description 36
- 229910052727 yttrium Inorganic materials 0.000 claims description 31
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 30
- 125000001424 substituent group Chemical group 0.000 claims description 28
- 125000002947 alkylene group Chemical group 0.000 claims description 26
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 26
- 239000011258 core-shell material Substances 0.000 claims description 23
- 125000004122 cyclic group Chemical group 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 21
- 125000000217 alkyl group Chemical group 0.000 claims description 20
- 239000012736 aqueous medium Substances 0.000 claims description 20
- 125000003118 aryl group Chemical group 0.000 claims description 20
- 125000003709 fluoroalkyl group Chemical group 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 239000003960 organic solvent Substances 0.000 claims description 14
- 239000000839 emulsion Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 239000004094 surface-active agent Substances 0.000 claims description 13
- 230000008859 change Effects 0.000 claims description 12
- 125000006165 cyclic alkyl group Chemical group 0.000 claims description 12
- 238000009835 boiling Methods 0.000 claims description 9
- 229910052801 chlorine Inorganic materials 0.000 claims description 9
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 9
- 125000002560 nitrile group Chemical group 0.000 claims description 9
- 125000005010 perfluoroalkyl group Chemical group 0.000 claims description 9
- 239000011148 porous material Substances 0.000 claims description 9
- 125000004185 ester group Chemical group 0.000 claims description 7
- 150000002926 oxygen Chemical group 0.000 claims description 7
- 229910003849 O-Si Inorganic materials 0.000 claims description 6
- 229910003872 O—Si Inorganic materials 0.000 claims description 6
- 210000000056 organ Anatomy 0.000 claims description 6
- 230000002378 acidificating effect Effects 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 150000002221 fluorine Chemical class 0.000 claims description 4
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 4
- 150000001721 carbon Chemical class 0.000 claims description 3
- 125000003837 (C1-C20) alkyl group Chemical group 0.000 claims description 2
- 239000001963 growth medium Substances 0.000 claims description 2
- 238000004321 preservation Methods 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 description 41
- 239000002904 solvent Substances 0.000 description 39
- 239000000178 monomer Substances 0.000 description 37
- 239000011162 core material Substances 0.000 description 35
- -1 polydimethylsiloxane Polymers 0.000 description 33
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 27
- 239000012528 membrane Substances 0.000 description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 22
- 239000007789 gas Substances 0.000 description 21
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 17
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 16
- WTWWXOGTJWMJHI-UHFFFAOYSA-N perflubron Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)Br WTWWXOGTJWMJHI-UHFFFAOYSA-N 0.000 description 15
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 14
- 229960001217 perflubron Drugs 0.000 description 14
- 229920005603 alternating copolymer Polymers 0.000 description 12
- 239000000969 carrier Substances 0.000 description 11
- 150000001875 compounds Chemical class 0.000 description 11
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 11
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 10
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 10
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 10
- 125000005739 1,1,2,2-tetrafluoroethanediyl group Chemical group FC(F)([*:1])C(F)(F)[*:2] 0.000 description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 9
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- 230000001954 sterilising effect Effects 0.000 description 9
- 238000004659 sterilization and disinfection Methods 0.000 description 9
- NVKGJHAQGWCWDI-UHFFFAOYSA-N 4-[4-amino-2-(trifluoromethyl)phenyl]-3-(trifluoromethyl)aniline Chemical group FC(F)(F)C1=CC(N)=CC=C1C1=CC=C(N)C=C1C(F)(F)F NVKGJHAQGWCWDI-UHFFFAOYSA-N 0.000 description 8
- 239000007864 aqueous solution Substances 0.000 description 8
- 239000000306 component Substances 0.000 description 8
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 7
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 7
- 229920001400 block copolymer Polymers 0.000 description 7
- 238000009826 distribution Methods 0.000 description 7
- 238000004945 emulsification Methods 0.000 description 7
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 7
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 6
- 239000005977 Ethylene Substances 0.000 description 6
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 6
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 6
- 239000008358 core component Substances 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 150000008064 anhydrides Chemical class 0.000 description 5
- LOKCTEFSRHRXRJ-UHFFFAOYSA-I dipotassium trisodium dihydrogen phosphate hydrogen phosphate dichloride Chemical compound P(=O)(O)(O)[O-].[K+].P(=O)(O)([O-])[O-].[Na+].[Na+].[Cl-].[K+].[Cl-].[Na+] LOKCTEFSRHRXRJ-UHFFFAOYSA-I 0.000 description 5
- 210000003743 erythrocyte Anatomy 0.000 description 5
- 125000000524 functional group Chemical group 0.000 description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 5
- 229950011087 perflunafene Drugs 0.000 description 5
- UWEYRJFJVCLAGH-IJWZVTFUSA-N perfluorodecalin Chemical compound FC1(F)C(F)(F)C(F)(F)C(F)(F)[C@@]2(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)[C@@]21F UWEYRJFJVCLAGH-IJWZVTFUSA-N 0.000 description 5
- 239000002953 phosphate buffered saline Substances 0.000 description 5
- 238000009864 tensile test Methods 0.000 description 5
- BYEAHWXPCBROCE-UHFFFAOYSA-N 1,1,1,3,3,3-hexafluoropropan-2-ol Chemical compound FC(F)(F)C(O)C(F)(F)F BYEAHWXPCBROCE-UHFFFAOYSA-N 0.000 description 4
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000004205 dimethyl polysiloxane Substances 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000000302 ischemic effect Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 4
- 229920002239 polyacrylonitrile Polymers 0.000 description 4
- 229920000570 polyether Polymers 0.000 description 4
- 230000000379 polymerizing effect Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- CKIFXJXKYOEESC-UHFFFAOYSA-N 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,17,17,18,18,18-octatriacontafluorooctadecane Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F CKIFXJXKYOEESC-UHFFFAOYSA-N 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-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
- 239000004721 Polyphenylene oxide Substances 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 239000008280 blood Substances 0.000 description 3
- 239000003633 blood substitute Substances 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 125000004428 fluoroalkoxy group Chemical group 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 229920001519 homopolymer Polymers 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002609 medium Substances 0.000 description 3
- 239000010702 perfluoropolyether Substances 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 230000004962 physiological condition Effects 0.000 description 3
- 239000002504 physiological saline solution Substances 0.000 description 3
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 3
- 125000005156 substituted alkylene group Chemical group 0.000 description 3
- 230000001225 therapeutic effect Effects 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- GVJHHUAWPYXKBD-UHFFFAOYSA-N (±)-α-Tocopherol Chemical compound OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-UHFFFAOYSA-N 0.000 description 2
- GBOMEIMCQWMHGB-UHFFFAOYSA-N 2-butyltetrahydrofuran Chemical compound CCCCC1CCCO1 GBOMEIMCQWMHGB-UHFFFAOYSA-N 0.000 description 2
- PYSRRFNXTXNWCD-UHFFFAOYSA-N 3-(2-phenylethenyl)furan-2,5-dione Chemical compound O=C1OC(=O)C(C=CC=2C=CC=CC=2)=C1 PYSRRFNXTXNWCD-UHFFFAOYSA-N 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 2
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 2
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 229920000147 Styrene maleic anhydride Polymers 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical compound C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 239000003125 aqueous solvent Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- UBAZGMLMVVQSCD-UHFFFAOYSA-N carbon dioxide;molecular oxygen Chemical compound O=O.O=C=O UBAZGMLMVVQSCD-UHFFFAOYSA-N 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 2
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 description 2
- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 description 2
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 2
- BXOUVIIITJXIKB-UHFFFAOYSA-N ethene;styrene Chemical group C=C.C=CC1=CC=CC=C1 BXOUVIIITJXIKB-UHFFFAOYSA-N 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 229920001973 fluoroelastomer Polymers 0.000 description 2
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 2
- BZFJSPDOVDCIMD-UHFFFAOYSA-N fluoromethylcyclohexane Chemical compound FCC1CCCCC1 BZFJSPDOVDCIMD-UHFFFAOYSA-N 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- ZQBFAOFFOQMSGJ-UHFFFAOYSA-N hexafluorobenzene Chemical compound FC1=C(F)C(F)=C(F)C(F)=C1F ZQBFAOFFOQMSGJ-UHFFFAOYSA-N 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 208000028867 ischemia Diseases 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000012454 non-polar solvent Substances 0.000 description 2
- ZCYXXKJEDCHMGH-UHFFFAOYSA-N nonane Chemical compound CCCC[CH]CCCC ZCYXXKJEDCHMGH-UHFFFAOYSA-N 0.000 description 2
- BKIMMITUMNQMOS-UHFFFAOYSA-N normal nonane Natural products CCCCCCCCC BKIMMITUMNQMOS-UHFFFAOYSA-N 0.000 description 2
- 125000006340 pentafluoro ethyl group Chemical group FC(F)(F)C(F)(F)* 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 239000002798 polar solvent Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 229920000346 polystyrene-polyisoprene block-polystyrene Polymers 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000069 prophylactic effect Effects 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 239000002516 radical scavenger Substances 0.000 description 2
- 230000010410 reperfusion Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 125000004434 sulfur atom Chemical group 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 208000011580 syndromic disease Diseases 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 150000003568 thioethers Chemical class 0.000 description 2
- AQPUCGPFMVEJGS-UHFFFAOYSA-N 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,16-tetratriacontafluorohexadecane Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F AQPUCGPFMVEJGS-UHFFFAOYSA-N 0.000 description 1
- WSXNCJNDCDTRSA-UHFFFAOYSA-N 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,17,17,18,18,19,19,20,20,20-dotetracontafluoroicosane Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F WSXNCJNDCDTRSA-UHFFFAOYSA-N 0.000 description 1
- BRWBDEIUJSDQGV-UHFFFAOYSA-N 1,1,1,2,2,3,3,4,4,5,5,6,6-tridecafluoro-6-methoxyhexane Chemical compound COC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F BRWBDEIUJSDQGV-UHFFFAOYSA-N 0.000 description 1
- FKTXDTWDCPTPHK-UHFFFAOYSA-N 1,1,1,2,3,3,3-heptafluoropropane Chemical group FC(F)(F)[C](F)C(F)(F)F FKTXDTWDCPTPHK-UHFFFAOYSA-N 0.000 description 1
- MNSWITGNWZSAMC-UHFFFAOYSA-N 1,1,1,3,3,3-hexafluoropropan-2-yl prop-2-enoate Chemical compound FC(F)(F)C(C(F)(F)F)OC(=O)C=C MNSWITGNWZSAMC-UHFFFAOYSA-N 0.000 description 1
- IABMDECHIWGXJH-UHFFFAOYSA-N 1,1,2,2,3,3,4,4,5-nonafluoro-5-(fluoromethyl)cyclopentane Chemical compound FCC1(F)C(F)(F)C(F)(F)C(F)(F)C1(F)F IABMDECHIWGXJH-UHFFFAOYSA-N 0.000 description 1
- RKXAGCYBDLUKAJ-UHFFFAOYSA-N 1,1,2,2,3,3,4,4,5-nonafluoro-5-methylcyclopentane Chemical compound CC1(F)C(F)(F)C(F)(F)C(F)(F)C1(F)F RKXAGCYBDLUKAJ-UHFFFAOYSA-N 0.000 description 1
- MJYFYGVCLHNRKB-UHFFFAOYSA-N 1,1,2-trifluoroethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC(F)(F)CF MJYFYGVCLHNRKB-UHFFFAOYSA-N 0.000 description 1
- SKYXLDSRLNRAPS-UHFFFAOYSA-N 1,2,4-trifluoro-5-methoxybenzene Chemical compound COC1=CC(F)=C(F)C=C1F SKYXLDSRLNRAPS-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- PGRNEGLBSNLPNP-UHFFFAOYSA-N 1,6-dichloro-3-methylhex-1-ene Chemical compound ClC=CC(C)CCCCl PGRNEGLBSNLPNP-UHFFFAOYSA-N 0.000 description 1
- JTYRBFORUCBNHJ-UHFFFAOYSA-N 1-bromo-1,1,2,2,3,3,4,4,5,5,6,6,6-tridecafluorohexane Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)Br JTYRBFORUCBNHJ-UHFFFAOYSA-N 0.000 description 1
- SKEIYEKHCQAGFQ-UHFFFAOYSA-N 1-ethyl-1,2,2,3,3,4,4,5,5-nonafluorocyclopentane Chemical compound CCC1(F)C(F)(F)C(F)(F)C(F)(F)C1(F)F SKEIYEKHCQAGFQ-UHFFFAOYSA-N 0.000 description 1
- IVILBNIXEFKQHQ-UHFFFAOYSA-N 1-fluoro-1,2,3,4,4a,5,6,7,8,8a-decahydronaphthalene Chemical compound C1CCCC2C(F)CCCC21 IVILBNIXEFKQHQ-UHFFFAOYSA-N 0.000 description 1
- OFERIJCSHDJMSA-UHFFFAOYSA-N 1-fluorohexane Chemical compound CCCCCCF OFERIJCSHDJMSA-UHFFFAOYSA-N 0.000 description 1
- OWEGMIWEEQEYGQ-UHFFFAOYSA-N 100676-05-9 Natural products OC1C(O)C(O)C(CO)OC1OCC1C(O)C(O)C(O)C(OC2C(OC(O)C(O)C2O)CO)O1 OWEGMIWEEQEYGQ-UHFFFAOYSA-N 0.000 description 1
- 125000004206 2,2,2-trifluoroethyl group Chemical group [H]C([H])(*)C(F)(F)F 0.000 description 1
- FDIHRNYGDZQEAV-UHFFFAOYSA-N 2,2,3,3,4,4,5,5,6,6,6-undecafluorohexan-1-amine Chemical compound NCC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F FDIHRNYGDZQEAV-UHFFFAOYSA-N 0.000 description 1
- DHRKBGDIJSRWIP-UHFFFAOYSA-N 4-(4-aminophenyl)-2,3-bis(trifluoromethyl)aniline Chemical group C1=CC(N)=CC=C1C1=CC=C(N)C(C(F)(F)F)=C1C(F)(F)F DHRKBGDIJSRWIP-UHFFFAOYSA-N 0.000 description 1
- JPZRPCNEISCANI-UHFFFAOYSA-N 4-(4-aminophenyl)-3-(trifluoromethyl)aniline Chemical group C1=CC(N)=CC=C1C1=CC=C(N)C=C1C(F)(F)F JPZRPCNEISCANI-UHFFFAOYSA-N 0.000 description 1
- 102000009027 Albumins Human genes 0.000 description 1
- 108010088751 Albumins Proteins 0.000 description 1
- 206010002660 Anoxia Diseases 0.000 description 1
- 241000976983 Anoxia Species 0.000 description 1
- WCUMPZLUWBMEFT-UHFFFAOYSA-N CC(C(C(C(F)(F)F)F)(F)F)C(C(F)(F)OC(C(C(F)(F)F)(C(C(C(C(F)(F)F)F)(F)F)C)F)(F)F)(C(F)(F)F)F Chemical compound CC(C(C(C(F)(F)F)F)(F)F)C(C(F)(F)OC(C(C(F)(F)F)(C(C(C(C(F)(F)F)F)(F)F)C)F)(F)F)(C(F)(F)F)F WCUMPZLUWBMEFT-UHFFFAOYSA-N 0.000 description 1
- 241000282472 Canis lupus familiaris Species 0.000 description 1
- 239000004709 Chlorinated polyethylene Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 description 1
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
- 102000016359 Fibronectins Human genes 0.000 description 1
- 108010067306 Fibronectins Proteins 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 description 1
- 206010019280 Heart failures Diseases 0.000 description 1
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 208000032456 Hemorrhagic Shock Diseases 0.000 description 1
- 241000282412 Homo Species 0.000 description 1
- YZCKVEUIGOORGS-UHFFFAOYSA-N Hydrogen atom Chemical compound [H] YZCKVEUIGOORGS-UHFFFAOYSA-N 0.000 description 1
- GUBGYTABKSRVRQ-PICCSMPSSA-N Maltose Natural products O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@@H]1O[C@@H]1[C@@H](CO)OC(O)[C@H](O)[C@H]1O GUBGYTABKSRVRQ-PICCSMPSSA-N 0.000 description 1
- 229930195725 Mannitol Natural products 0.000 description 1
- 241001465754 Metazoa Species 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
- 241000699670 Mus sp. Species 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- 241000283973 Oryctolagus cuniculus Species 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 241000700159 Rattus Species 0.000 description 1
- 208000004756 Respiratory Insufficiency Diseases 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 206010049771 Shock haemorrhagic Diseases 0.000 description 1
- 241000282887 Suidae Species 0.000 description 1
- 102000004338 Transferrin Human genes 0.000 description 1
- 108090000901 Transferrin Proteins 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 229930003268 Vitamin C Natural products 0.000 description 1
- 229930003427 Vitamin E Natural products 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- GTDPSWPPOUPBNX-UHFFFAOYSA-N ac1mqpva Chemical compound CC12C(=O)OC(=O)C1(C)C1(C)C2(C)C(=O)OC1=O GTDPSWPPOUPBNX-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000005456 alcohol based solvent Substances 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- WQZGKKKJIJFFOK-PHYPRBDBSA-N alpha-D-galactose Chemical compound OC[C@H]1O[C@H](O)[C@H](O)[C@@H](O)[C@H]1O WQZGKKKJIJFFOK-PHYPRBDBSA-N 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 210000004102 animal cell Anatomy 0.000 description 1
- 230000007953 anoxia Effects 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- GUBGYTABKSRVRQ-QUYVBRFLSA-N beta-maltose Chemical compound OC[C@H]1O[C@H](O[C@H]2[C@H](O)[C@@H](O)[C@H](O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@@H]1O GUBGYTABKSRVRQ-QUYVBRFLSA-N 0.000 description 1
- 208000034158 bleeding Diseases 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- JHRWWRDRBPCWTF-OLQVQODUSA-N captafol Chemical group C1C=CC[C@H]2C(=O)N(SC(Cl)(Cl)C(Cl)Cl)C(=O)[C@H]21 JHRWWRDRBPCWTF-OLQVQODUSA-N 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 206010008118 cerebral infarction Diseases 0.000 description 1
- 208000026106 cerebrovascular disease Diseases 0.000 description 1
- 235000012000 cholesterol Nutrition 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001784 detoxification Methods 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 230000012202 endocytosis Effects 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000001033 ether group Chemical group 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 102000013361 fetuin Human genes 0.000 description 1
- 108060002885 fetuin Proteins 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- RQIOMXQOMYOGKD-UHFFFAOYSA-N fluorocyclohexane Chemical compound FC1[CH]CCCC1 RQIOMXQOMYOGKD-UHFFFAOYSA-N 0.000 description 1
- 229930182830 galactose Natural products 0.000 description 1
- WIGCFUFOHFEKBI-UHFFFAOYSA-N gamma-tocopherol Natural products CC(C)CCCC(C)CCCC(C)CCCC1CCC2C(C)C(O)C(C)C(C)C2O1 WIGCFUFOHFEKBI-UHFFFAOYSA-N 0.000 description 1
- 239000003349 gelling agent Substances 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 239000003102 growth factor Substances 0.000 description 1
- 239000003966 growth inhibitor Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical class C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- GNOIPBMMFNIUFM-UHFFFAOYSA-N hexamethylphosphoric triamide Chemical compound CN(C)P(=O)(N(C)C)N(C)C GNOIPBMMFNIUFM-UHFFFAOYSA-N 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 230000001146 hypoxic effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 150000002460 imidazoles Chemical class 0.000 description 1
- 125000005462 imide group Chemical group 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 230000036512 infertility Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 150000003951 lactams Chemical class 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000594 mannitol Substances 0.000 description 1
- 235000010355 mannitol Nutrition 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- ZTZJVAOTIOAZGZ-UHFFFAOYSA-N methyl 2-fluoroacrylate Chemical compound COC(=O)C(F)=C ZTZJVAOTIOAZGZ-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000003094 microcapsule Substances 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 230000003278 mimic effect Effects 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- VZGNSQIEHPIHBA-UHFFFAOYSA-N n,n-dibutyl-4-fluorobutan-1-amine Chemical compound CCCCN(CCCC)CCCCF VZGNSQIEHPIHBA-UHFFFAOYSA-N 0.000 description 1
- VOFUROIFQGPCGE-UHFFFAOYSA-N nile red Chemical compound C1=CC=C2C3=NC4=CC=C(N(CC)CC)C=C4OC3=CC(=O)C2=C1 VOFUROIFQGPCGE-UHFFFAOYSA-N 0.000 description 1
- 150000004812 organic fluorine compounds Chemical class 0.000 description 1
- 229960004624 perflexane Drugs 0.000 description 1
- LRMQIJUOLGKFKS-UHFFFAOYSA-N perfluoro-1,3-dimethyladamantane Chemical compound FC1(F)C(C2(F)F)(F)C(F)(F)C3(F)C(F)(F)C1(C(F)(F)F)C(F)(F)C2(C(F)(F)F)C3(F)F LRMQIJUOLGKFKS-UHFFFAOYSA-N 0.000 description 1
- UWEYRJFJVCLAGH-UHFFFAOYSA-N perfluorodecalin Chemical compound FC1(F)C(F)(F)C(F)(F)C(F)(F)C2(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C21F UWEYRJFJVCLAGH-UHFFFAOYSA-N 0.000 description 1
- ZJIJAJXFLBMLCK-UHFFFAOYSA-N perfluorohexane Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F ZJIJAJXFLBMLCK-UHFFFAOYSA-N 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- DAUUTPNYARQHSR-UHFFFAOYSA-N phenyl 2-fluoroprop-2-enoate Chemical compound FC(=C)C(=O)OC1=CC=CC=C1 DAUUTPNYARQHSR-UHFFFAOYSA-N 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- ZWLUXSQADUDCSB-UHFFFAOYSA-N phthalaldehyde Chemical compound O=CC1=CC=CC=C1C=O ZWLUXSQADUDCSB-UHFFFAOYSA-N 0.000 description 1
- 229920001983 poloxamer Polymers 0.000 description 1
- 229920002493 poly(chlorotrifluoroethylene) Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000005023 polychlorotrifluoroethylene (PCTFE) polymer Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000003761 preservation solution Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 102000004196 processed proteins & peptides Human genes 0.000 description 1
- 108090000765 processed proteins & peptides Proteins 0.000 description 1
- 238000011321 prophylaxis Methods 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 201000004193 respiratory failure Diseases 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000003431 steroids Chemical class 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 230000009469 supplementation Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 239000012581 transferrin Substances 0.000 description 1
- 125000000876 trifluoromethoxy group Chemical group FC(F)(F)O* 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 229920005609 vinylidenefluoride/hexafluoropropylene copolymer Polymers 0.000 description 1
- 235000019154 vitamin C Nutrition 0.000 description 1
- 239000011718 vitamin C Substances 0.000 description 1
- 235000019165 vitamin E Nutrition 0.000 description 1
- 229940046009 vitamin E Drugs 0.000 description 1
- 239000011709 vitamin E Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N1/00—Preservation of bodies of humans or animals, or parts thereof
- A01N1/02—Preservation of living parts
- A01N1/0205—Chemical aspects
- A01N1/0231—Chemically defined matrices, e.g. alginate gels, for immobilising, holding or storing cells, tissue or organs for preservation purposes; Chemically altering or fixing cells, tissue or organs, e.g. by cross-linking, for preservation purposes
-
- 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
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/02—Making microcapsules or microballoons
- B01J13/06—Making microcapsules or microballoons by phase separation
- B01J13/12—Making microcapsules or microballoons by phase separation removing solvent from the wall-forming material solution
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N1/00—Preservation of bodies of humans or animals, or parts thereof
- A01N1/02—Preservation of living parts
- A01N1/0205—Chemical aspects
- A01N1/021—Preservation or perfusion media, liquids, solids or gases used in the preservation of cells, tissue, organs or bodily fluids
- A01N1/0226—Physiologically active agents, i.e. substances affecting physiological processes of cells and tissue to be preserved, e.g. anti-oxidants or nutrients
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/02—Inorganic compounds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0019—Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner
- A61K9/0026—Blood substitute; Oxygen transporting formulations; Plasma extender
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/10—Dispersions; Emulsions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
- A61K9/1605—Excipients; Inactive ingredients
- A61K9/1629—Organic macromolecular compounds
- A61K9/1635—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
- A61K9/1605—Excipients; Inactive ingredients
- A61K9/1629—Organic macromolecular compounds
- A61K9/1641—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poloxamers
-
- 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
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/02—Making microcapsules or microballoons
- B01J13/06—Making microcapsules or microballoons by phase separation
- B01J13/12—Making microcapsules or microballoons by phase separation removing solvent from the wall-forming material solution
- B01J13/125—Making microcapsules or microballoons by phase separation removing solvent from the wall-forming material solution by evaporation of the solvent
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
- C08J3/07—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media from polymer solutions
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
- C08J3/16—Powdering or granulating by coagulating dispersions
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2325/00—Characterised by the use of homopolymers or copolymers 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 aromatic carbocyclic ring; Derivatives of such polymers
- C08J2325/02—Homopolymers or copolymers of hydrocarbons
- C08J2325/04—Homopolymers or copolymers of styrene
- C08J2325/08—Copolymers of styrene
- C08J2325/10—Copolymers of styrene with conjugated dienes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers 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 a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of homopolymers or copolymers 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2327/16—Homopolymers or copolymers of vinylidene fluoride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers 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 a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of homopolymers or copolymers 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers 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 a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of homopolymers or copolymers 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2327/20—Homopolymers or copolymers of hexafluoropropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2339/00—Characterised by the use of homopolymers or copolymers 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 a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Derivatives of such polymers
- C08J2339/04—Homopolymers or copolymers of monomers containing heterocyclic rings having nitrogen as ring member
- C08J2339/06—Homopolymers or copolymers of N-vinyl-pyrrolidones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2425/00—Characterised by the use of homopolymers or copolymers 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 aromatic carbocyclic ring; Derivatives of such polymers
- C08J2425/02—Homopolymers or copolymers of hydrocarbons
- C08J2425/04—Homopolymers or copolymers of styrene
- C08J2425/08—Copolymers of styrene
- C08J2425/10—Copolymers of styrene with conjugated dienes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2427/00—Characterised by the use of homopolymers or copolymers 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 a halogen; Derivatives of such polymers
- C08J2427/02—Characterised by the use of homopolymers or copolymers 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/12—Characterised by the use of homopolymers or copolymers 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2427/16—Homopolymers or copolymers of vinylidene fluoride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2427/00—Characterised by the use of homopolymers or copolymers 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 a halogen; Derivatives of such polymers
- C08J2427/02—Characterised by the use of homopolymers or copolymers 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/12—Characterised by the use of homopolymers or copolymers 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2427/18—Homopolymers or copolymers of tetrafluoroethylene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2427/00—Characterised by the use of homopolymers or copolymers 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 a halogen; Derivatives of such polymers
- C08J2427/02—Characterised by the use of homopolymers or copolymers 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/12—Characterised by the use of homopolymers or copolymers 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2427/20—Homopolymers or copolymers of hexafluoropropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2439/00—Characterised by the use of homopolymers or copolymers 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 a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Derivatives of such polymers
- C08J2439/04—Homopolymers or copolymers of monomers containing heterocyclic rings having nitrogen as ring member
- C08J2439/06—Homopolymers or copolymers of N-vinyl-pyrrolidones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
- C08J3/126—Polymer particles coated by polymer, e.g. core shell structures
Definitions
- the present disclosure relates to microparticles and microparticle dispersions.
- Non-Patent Documents 1 and 2 Micro-sized particles that can be used as oxygen carriers have been developed (Non-Patent Documents 1 and 2). Such particles can be used as red blood cell substitutes and their dispersions can be used as blood substitutes.
- Non-Patent Document 3 As such microparticles, for example, hydrogel-fixed microparticles with a diameter of 6 ⁇ m that mimic the size and disk shape of red blood cells and have deformability have been reported (Non-Patent Document 3).
- An object of the present disclosure is to provide new microparticles and microparticle dispersions.
- Section 1 A core-shell microparticle comprising a shell containing at least one polymer selected from the group consisting of a fluorine-containing polymer, a fluorine-free vinyl polymer, and a silicone polymer, and a core containing a fluorocarbon. Section 2.
- Core-shell microparticles comprising a shell comprising a polymer and a core comprising a fluorocarbon
- the microparticle according to item 1 Section 4. Item 4. The microparticle according to any one of Items 1 to 3, wherein the change in tensile strength of the polymer after being subjected to acidic conditions is 50% or less. Item 5. Item 5. The microparticles according to any one of Items 1 to 4, wherein the change in tensile elongation of the polymer after being subjected to acidic conditions is 50% or less. Item 6. Item 6. The microparticles according to any one of Items 1 to 5, wherein the change in tensile strength of the polymer after exposure to alkaline conditions is 50% or less. Item 7. Item 7.
- Item 8. Item 4. The microparticle according to any one of Items 1 to 3, wherein the change rate of the shape of the microparticle after application of acidic conditions is 50% or less.
- Item 9. Item 9. The microparticles according to any one of Items 1 to 8, wherein the change rate of the microparticle shape after application of alkaline conditions is 50% or less.
- Item 11. Item 11.
- Item 12. The microparticle according to any one of items 1 to 11, wherein the fluorine content of the core fluorocarbon is 10% by mass or more.
- Item 13. Microparticles according to any one of items 1 to 12, wherein the boiling point of the fluorocarbon in the core is 90°C or higher.
- Item 15. Item 15.
- Item 16. Item 16.
- the microparticle dispersion liquid according to Item 22 which is an oxygen-carrying liquid, a transplant preservation liquid, a transplant organ protection liquid, or a culture medium.
- Item 21. A method for producing microparticles according to any one of Items 1 to 20, comprising the following steps (1) and (2): (1) A dispersed phase obtained by dispersing a polymer and a fluorocarbon in an organic solvent is film-emulsified in a continuous phase containing a surfactant through a porous film having uniform pores to form the microparticles. (2) removing the organic solvent phase contained in said emulsion; Item 25. Item 19.
- new microparticles and microparticle dispersions can be provided.
- FIG. 1A is a schematic cross-sectional view showing core-shell spherical microparticles according to an embodiment of the present disclosure.
- FIG. 1B is a schematic cross-sectional view showing a modified embodiment of a microparticle.
- FIG. 2A is a cross-sectional schematic diagram illustrating a microparticle with core-shell depressions according to an embodiment of the disclosure, and
- FIG. 2B is a microparticle with core-shell depressions according to an embodiment of the disclosure.
- 1 is a schematic diagram of a manufacturing apparatus used in a method for manufacturing microparticles according to an embodiment of the present disclosure;
- FIG. BRIEF DESCRIPTION OF THE DRAWINGS It is drawing explaining the principle of the membrane emulsification method via a porous membrane.
- Microparticles of the present disclosure are core-shell microparticles that include a shell comprising a polymer and a core comprising a fluorocarbon.
- microparticles generally refer to particles with a diameter of less than 1000 ⁇ m, including particles with a diameter of less than 1 ⁇ m.
- microparticles of the present disclosure can be used for various applications including oxygen carriers.
- the size of the microparticles of the present disclosure can be appropriately set according to the application, and such optimal sizes for each application are well known to those skilled in the art.
- the volume average particle diameter is preferably 500 ⁇ m or less, more preferably 100 ⁇ m or less, even more preferably 50 ⁇ m or less, and even 20 ⁇ m or less. is even more preferable.
- the microparticles of the present disclosure preferably have a volume average particle diameter of 100 nm or more, more preferably 500 nm or more, even more preferably 1 ⁇ m or more, and 2 ⁇ m or more, in that they are less susceptible to cell endocytosis. is even more preferable.
- the volume average particle size is measured using scanning electron microscope images.
- Microparticles of the present disclosure preferably have a controlled size and/or uniform particle size distribution. Microparticles of the present disclosure preferably have a monodisperse particle size distribution.
- the CV value of the microparticles of the present disclosure is preferably 70% or less, more preferably 40% or less, even more preferably 35% or less, even more preferably 30% or less.
- the CV value of microparticles is the coefficient of variation of particle size distribution determined by the standard deviation of particle sizes and the volume average particle size. A lower CV value indicates better uniformity of particle size.
- the shape of the microparticles of the present disclosure is not particularly limited, and may be spherical, non-spherical, elliptical (prolate), rod-shaped, pyramidal, cubic, disk-shaped, or concave-shaped. sell. If a disk-shaped particle is observed to have a surface shape displacement from the center of the circle toward the stereocenter, it can be determined that the particle has a concave shape, that is, a depression. Microparticles of the present disclosure may be spherical or dimpled in shape. The microparticles of the present disclosure preferably have a shape with depressions, in that they can easily pass through narrow tubes of about 1 to 50 ⁇ m, such as capillaries and fine channels.
- the shape having the depression is preferably a shape similar to red blood cells, and specifically has a concave shape. Microparticles with depressions can also increase the specific surface area and improve gas permeability for gases such as oxygen.
- the thickness of the shell of the microparticles of the present disclosure is not particularly limited, but from the viewpoint of particle stability, it is, for example, 0.05 ⁇ m or more, or 0.1 ⁇ m or more, or 0.5 ⁇ m or more. Further, the thickness of the shell is preferably thin as long as stability is ensured, and is, for example, 4 ⁇ m or less. The shell thickness of the microparticles is preferably 0.1 to 4 ⁇ m, for example. The shell thickness of the microparticles can be, for example, 0.2-4 ⁇ m, or 0.5-4 ⁇ m. In the present disclosure, the thickness of the shell is measured from cross-sectional shape photographs using a confocal microscope or an electron microscope.
- the microparticles of the present disclosure have a core-shell structure.
- Core-shell microparticles are different from conventional emulsion-type artificial oxygen carriers and non-encapsulated artificial oxygen carriers in which a component such as fluorocarbon that stores oxygen is present on the particle surface.
- Core-shell microparticles stably hold fluorocarbons inside, and are superior in stability compared to emulsion-type and non-encapsulated oxygen carriers.
- microparticles of the present disclosure preferably have an elastic modulus of 1 to 5000 MPa, more preferably 5 to 3000 MPa, even more preferably 10 to 2000 MPa.
- the microparticles of the present disclosure may be sterilized.
- sterilization methods include ethanol sterilization, ethylene oxide sterilization, UV sterilization, electron beam ( ⁇ ) sterilization, ozone sterilization, autoclave, dry heat sterilization, glutaraldehyde sterilization, and orthophthalaldehyde sterilization.
- ethanol sterilization ethylene oxide sterilization
- UV sterilization electron beam ( ⁇ ) sterilization
- ozone sterilization ozone sterilization
- autoclave dry heat sterilization
- glutaraldehyde sterilization glutaraldehyde sterilization
- orthophthalaldehyde sterilization it is preferable that the shape of the core-shell type particles does not change even after being exposed to the conditions. More preferably, it is 10% or less.
- FIG. 1A is a schematic cross-sectional view showing core-shell spherical microparticles according to an embodiment of the present disclosure.
- FIG. 1B is a schematic cross-sectional view showing a modified embodiment of a microparticle.
- 2A and 2B are schematic cross-sectional views showing microparticles with core-shell depressions according to one embodiment of the present disclosure.
- FIG. 2A is a cross-sectional view of the microparticle
- FIG. 2B is a top cross-sectional view of the microparticle.
- microparticle 1 is a microcapsule having shell 11 and core 12 .
- Core 12 forms the inside of microparticle 1 and is enclosed or surrounded by shell 11 forming the outside of microparticle 1 .
- the microparticles shown in FIG. 1A have a spherical shape.
- the microparticle 1 shown in FIG. 2 has a substantially disk shape and has a depression 15 in the center.
- the core 12 contains fluorocarbon 14.
- the fluorocarbon 14 has excellent gas (eg, oxygen) solubility. Therefore, the microparticle 1 can function as a carrier capable of holding gas in the core and transporting it to the target site/tissue. Microparticles of one embodiment can function as deformable gas carriers such as red blood cells.
- Shell 11 contains polymer 13 .
- the shell 11 comprising the polymer 13 is highly elastic, deformable and flexible, resulting in deformable microparticles 1 .
- deformable means that the core-shell structure can be maintained even when the particles are deformed.
- the microparticles of one embodiment have core components enclosed within or surrounded by a shell without the shell collapsing upon deformation of the particle.
- microparticles are capable of compressive deformation with a displacement of 25% or more (eg, 30% or more, or 35% or more) of the particle size.
- the spherical microparticles of FIG. 1A can be transformed into prolate spherical microparticles having a short diameter d a and a long diameter d b .
- Shell Microparticles of the present disclosure have a shell, and the shell comprises a specific polymer.
- the polymers of the present disclosure may be at least one polymer selected from the group consisting of fluorine-containing polymers, non-fluorine-containing vinyl polymers, and silicone polymers. It may be used alone, or two or more polymers may be used in combination.
- a fluorine-containing polymer refers to a polymer containing a fluorine atom in its structural formula.
- a fluorine-free vinyl polymer refers to a polymer that does not contain a fluorine atom in the structural formula derived from a monomer containing a vinyl group.
- a silicone polymer is a polymer that does not contain a fluorine atom in its structural formula and contains a silicon-silicon bond or a silicon-oxygen bond.
- the polymer of the present disclosure does not contain a hydrolyzable functional group in its main chain, and thus has excellent stability in water. Since the shell is composed of such a polymer, the microparticles of the present disclosure have excellent stability in water. Due to the above-described stability in water, the polymer of the present disclosure can stably enclose the core material inside the shell when forming the core-shell particles, so the stability when dispersed in water as core-shell particles I will provide a.
- a structural unit constituting the main chain in the repeating unit in the main chain is substantially a polymer consisting of a certain specific structural unit” means It includes the case where the structural unit consists essentially of the specific structural unit.
- the term “substantially” means that the structural unit constituting the main chain contains other structural units as long as the microparticles of the present disclosure have excellent stability in water. means good.
- the structural unit constituting the main chain in the repeating unit in the main chain is substantially a polymer consisting of a specific structural unit” specifically means “the main chain Structural units constituting the main chain in the repeating units in the total content of the specific structural units in total of 90% by mass or more, preferably 95% by mass or more, relative to the structural units constituting the main chain , more preferably 97% by mass or more, more preferably 98% by mass or more, and even more preferably 99% by mass or more.
- “in the repeating unit in the main chain Structural units constituting the main chain of includes the case where the structural unit constituting the main chain consists only of the specific structural unit.
- X 1 , X 2 , X 3 and X 4 are preferably the same or different and are hydrogen atom, fluorine atom, chlorine atom, optionally substituted oxygen atom, linear or cyclic substituent Alkyl groups optionally having 1 to 16 carbon atoms, alkylene groups optionally having 1 to 16 carbon atoms having substituents, nitrile groups, ester groups, number of carbon atoms optionally having substituents 1 to 16 fluorine-containing alkyl groups, optionally substituted fluorine-containing alkylene groups having 1 to 16 carbon atoms, X and Y are the same or different, hydrogen atoms, even if they have substituents They are alkyl groups, alkylene groups, aryl groups, (per)fluoroalkyl groups, and (per)fluoroalkylene groups, often chain or cyclic and having 1 to 16 carbon atoms, and more preferably X 1 , X 2 and X 3 .
- X 4 are the same or different, a hydrogen atom, a fluorine atom, a chlorine atom, an optionally substituted oxygen atom, a chain or cyclic optionally substituted carbon number of 1 to 8 alkyl group, optionally substituted alkylene group having 1 to 8 carbon atoms, nitrile group, optionally substituted fluorine-containing alkyl group having 1 to 8 carbon atoms, substituted A fluorine-containing alkylene group having 1 to 8 carbon atoms that may be present, X and Y are the same or different, hydrogen atoms, a chain or cyclic chain or cyclic group having 1 to 8 carbon atoms that may have a substituent, an alkyl group, an alkylene group, an aryl group, a (per)fluoroalkyl group, or a (per)fluoroalkylene group, more preferably X 1 , X 2 , X 3 and X 4 are the same or different and are hydrogen Atom, fluoride,
- Polymers of the present disclosure include, for example, organopolysiloxanes such as polydimethylsiloxane, polydiethylsiloxane, polyacrylonitrile, polyvinyl chloride, polystyrene, polyethylene, partially chlorinated polyethylene, polypropylene, polyisoprene, polybutadiene, poly-2-chlorobutadiene.
- organopolysiloxanes such as polydimethylsiloxane, polydiethylsiloxane, polyacrylonitrile, polyvinyl chloride, polystyrene, polyethylene, partially chlorinated polyethylene, polypropylene, polyisoprene, polybutadiene, poly-2-chlorobutadiene.
- Polymers of the present disclosure may also have cyclic structures in whole or in part.
- the polymers of the present disclosure are preferably polydimethylsiloxane, polyacrylonitrile, polyvinyl chloride, polystyrene, poly-2-chlorobutadiene, styrene-butadiene-styrene block copolymers, styrene-isoprene-styrene block copolymers, styrene Ethylene/butylene/butadiene block copolymers, styrene/ethylene/propylene/butadiene block copolymers, acrylonitrile/styrene/butadiene copolymers, ethylene-butylene block copolymers, and the like. Polymers of the present disclosure may also have cyclic structures in whole or in part.
- R is the same or different and may have one or more branched and/or functional groups, a chain or cyclic alkyl group having 1 to 10 carbon atoms, an aryl group, one of hydrogen atoms a chain or cyclic alkyl group partially substituted with fluorine atoms, an aryl group partially substituted with fluorine atoms, or a chain (per)fluoroalkyl group).
- the polymers of the present disclosure can be dissolved in a solvent during the microparticle manufacturing process.
- Solvents that can be used in the production process are not particularly limited, but aprotic polar solvents, non-polar solvents, low-polarity solvents, alcoholic solvents, fluorine-based solvents, and the like are preferred.
- Aprotic polar solvents include N,N-dimethylformamide, acetonitrile, dimethylsulfoxide, hexamethylphosphoric triamide, N-methylpyrrolidone, ethyl acetate, dimethyl carbonate, acetone, methyl ethyl ketone, tetrahydrofuran, and dioxane.
- Non-polar solvents include carbon tetrachloride, benzene, toluene, hexane, cyclohexane, and the like.
- Low polarity solvents include diethyl ether, monoglyme, dichloromethane, chloroform, and the like.
- Alcohol solvents include methanol, ethanol, 1-propanol, 2-propanol, ethylene glycol, glycerin, mannitol and the like.
- Fluorinated solvents include perfluorohexane, perfluorobenzene, hydrofluoroether, perfluorocrown ether, 1-bromoheptadecafluorooctane, 1-bromotridecafluorohexane, perfluorodecaline, hexafluoroisopropanol, and 2- perfluorohexyl ethanol and the like. These solvents can be used singly or in combination.
- the polymer of the present disclosure preferably exhibits solubility in solvents used in these manufacturing processes.
- the solubility in these solvents is preferably 1 mg/L or more, more preferably 100 mg/L or more, and even more preferably 1000 mg/L or more.
- the polymer of the present disclosure may be obtained by polymerizing a single monomer, or may be obtained by copolymerizing multiple types of monomers.
- the polymer of the present disclosure preferably has little change in physical properties even after being subjected to acidic or alkaline conditions (eg, immersed in 10% hydrochloric acid or 20% aqueous sodium hydroxide solution at room temperature for 1 week). Further, it is preferable that the physical properties change little even after applying hot water conditions (eg, 50 to 100° C.).
- acidic or alkaline conditions eg, immersed in 10% hydrochloric acid or 20% aqueous sodium hydroxide solution at room temperature for 1 week.
- hot water conditions eg, 50 to 100° C.
- tensile strength, tensile elongation, etc. can be mentioned as the physical property changes.
- the polymer of the present disclosure may be a fluorine-containing polymer.
- the microparticles of the present disclosure can be dispersed in aqueous media.
- the shell contains a fluorine-containing polymer, the core containing fluorocarbon can be stably accommodated therein.
- Fluorine-containing polymers also have excellent stability against acids, alkalis, and hot water, and are also excellent in long-term stability in water. Furthermore, it has the advantage of being a smooth flat surface with little propagation of microorganisms. Therefore, the type of fluorine-containing polymer is not particularly limited.
- the fluorine-containing polymer may be obtained by polymerizing a single type of monomer, or may be obtained by copolymerizing a plurality of types of monomers.
- the fluorine-containing polymer when it is a homopolymer, it may be, for example, a polymer obtained by polymerizing a fluoroacrylic monomer.
- monomers include methyl ⁇ -fluoroacrylate, ethyl ⁇ -fluoroacrylate, trifluoroethyl ⁇ -fluoroacrylate, pentafluoropropyl ⁇ -fluoroacrylate, isopropyl ⁇ -fluoroacrylate, ⁇ -fluoro hexafluoroisopropyl acrylate, ⁇ -cyclohexyl fluoroacrylate, phenyl fluoroacrylate, 2,2,2-trifluoroethyl (meth)acrylate, 2,2,3,3-tetrafluoropropyl (meth)acrylate, 1, 1,1,3,3,3-hexafluoroisopropyl (meth)acrylate, heptafluoroisopropyl (meth)acrylate, 1,1-d
- fluorine-containing polymer is a homopolymer
- another example is (per)fluoro-1,3-dioxole, (per)fluorobutenyl vinyl ether, (per)fluoro-2,2-dimethyl-1,3-dioxole and (per)fluoro-2-methylene-4-methyl-1,3-dioxolane.
- perfluoro means that all hydrogen atoms of a hydrocarbon are substituted with fluorine atoms, and “(per)fluoro” indicates either “perfluoro” or “fluoro”.
- the fluorine-containing polymer when it is a copolymer, it may be a copolymer of a fluorine-containing monomer and a fluorine-free monomer, or may be a copolymer of fluorine-containing monomers. In this case, either or both of the fluorine-containing monomer and fluorine-free monomer constituting the copolymer may be two or more monomers.
- Fluorine-containing monomers include vinyl fluoride monomers, (per)fluorobutenyl vinyl ether, (per)fluoro-2,2-dimethyl-1,3-dioxole, (per)fluoro-2-methylene-4-methyl-1, 3-dioxolane, (per)fluoro-1,3-dioxole and the like.
- vinyl fluoride monomers include vinylidene fluoride, tetrafluoroethylene, hexafluoropropylene, and those represented by the following general formulas.
- R is one or more branches and/or a chain that may have a functional group a linear or cyclic alkyl group having 1 to 10 carbon atoms, an aryl group, a chain or cyclic alkyl group in which some of the hydrogen atoms are substituted by fluorine atoms, and an aryl group in which some of the hydrogen atoms are substituted by fluorine atoms , or a chain or cyclic perfluoroalkyl group)
- fluorine-free monomers examples include vinyl monomers and cyclic monomers.
- vinyl monomers include acrylonitrile, methyl acrylate, methyl methacrylate, vinylpyrrolidone, isoprene, 1,3-butadiene, styrene, vinyl chloride, vinyl acetate, ethylene, propylene and isobutene.
- Cyclic monomers include those having structures such as ethers, sulfides, carbonates, phosphates, lactones, lactams, and siloxanes.
- fluorine-containing polymers include the following.
- (Solvent-soluble type) fluorine-containing polymers include ethylene/tetrafluoroethylene copolymer (ETFE), vinylidene fluoride polymer (PVDF), tetrafluoroethylene/vinylidene fluoride.
- the third monomer may be a fluorine-containing monomer or a fluorine-free monomer; 10
- the monomer molar ratio of the copolymer having the repeating unit of the fluoroolefin of the fluorine-containing polymer and the repeating unit having a hydroxyl group is preferably 10-60/40-90.
- Fluorine-containing polymers also include fluororubbers.
- fluororubbers include tetrafluoroethylene/propylene copolymers, tetrafluoroethylene/propylene/third monomer copolymers (third monomers include vinylidene fluoride, hexafluoropropylene, chlorotrifluoroethylene, fluoroalkyl vinyl ethers, etc.
- thermoplastic elastomers such as vinylidene fluoride/2,3,3,3-tetrafluoropropylene copolymer.
- Fluorine-containing polymers also include amorphous fluororesins.
- amorphous fluororesin a copolymer containing a structural unit represented by the following formula (A1) [In the formula, R 1 represents a fluorine atom or a C1-C5 (per)fluoroalkyl group. ], a copolymer containing structural units represented by the following formula (A2) and the following formula (A3) [In the formula, R 2 to R 5 each independently represent a fluorine atom, a C1-C5 (per)fluoroalkyl group, or a C1-C5 (per)fluoroalkoxy group.
- R 6 represents a fluorine atom, a C1-C6 (per)fluoroalkyl group, or a C1-C6 (per)fluoroalkoxy group.
- a copolymer containing a structural unit represented by the following formula (A4) [In the formula, R 7 to R 10 each independently represent a fluorine atom, a C1-C5 (per)fluoroalkyl group, or a C1-C5 (per)fluoroalkoxy group. ] etc.
- M is the following formula (C1): A group represented by the following formula (C2): or a group represented by the following formula (C3): (wherein Z is hydrogen or a (per)fluoroalkyl group having 1 to 10 carbon atoms). ) and the compound (C) represented by
- M is the following formula (C4): is preferably a group represented by
- the above Rf is preferably a straight-chain (per)fluoroalkyl group having 6 carbon atoms.
- the compound (B) and the compound (C) can be used as a composition containing each, and the compound (B) is preferably 5 to 95% by mass with respect to the total 100% by mass.
- This composition can also be used as a curable composition in combination with a curing agent.
- the curing agent is at least one selected from the group consisting of acid anhydrides, amines, isocyanates, amides, imidazoles, and mercaptans. Additionally, these compositions may contain non-fluorinated epoxy resins.
- composition characterized in that the compound (B) contains a compatibilizer and has a fluorine content of 20% by mass or more.
- the fluorine content is preferably 30% by mass or more, more preferably 40% by mass or more, and even more preferably 45% by mass or more.
- the compatibilizer is preferably a fluorine-containing compound containing two or more epoxy groups and an aromatic ring or a cyclohexane ring in its molecular structure.
- a fluorine-containing polyimide containing the structure shown below as a repeating unit can be used.
- R 11 represents an aromatic ring structure, and each R 11 forms a 5- or 6-atom ring with an adjacent imide group.
- R 11 has the following formula: (Rf 1 and 2 are the same or different and each represents a perfluoroalkyl group having 1 to 10 carbon atoms).
- R12 represents the carbon chain portion of the diamine represented by NH2 - R12 - NH2 , and n is an integer of 1 or more.
- R 12 is not particularly limited, it is a fluorine-containing alkyl chain having 1 to 30 carbon atoms, which may be branched or may contain an ether functional group in the main chain. Structures within R 12 may also contain multiple repeating units.
- the fluorine-containing polymer is not particularly limited as long as it is soluble in a solvent, but fluorine-containing silicones having the following structures can be used.
- Rf 3 to 6 are the same or different and are perfluoroalkyl groups having 1 to 20 carbon atoms
- R 13 to R 16 are the same or different and are alkyl groups or aryl groups having 1 to 10 carbon atoms.
- Rf 3-6 and R 13 -R 16 may have one or more branches, oxygen atom, sulfur atom, NH group and hydroxyl group, p and q are each in the range of 0-1000 and 0 at the same time. is an integer that does not
- the fluorine-free vinyl polymer may be obtained by polymerizing a single kind of vinyl monomer, or may be obtained by copolymerizing a plurality of kinds of vinyl monomers.
- the fluorine-free vinyl polymer when it is a homopolymer, it may be a polymer obtained by polymerization such as ethylene, propylene, vinyl chloride, vinyl acetate, acrylonitrile, (meth)acrylic acid ester, styrene, butadiene, isoprene, etc. good.
- (meth) acrylic esters examples include methyl (meth) acrylate, ethyl (meth) acrylate, trifluoroethyl (meth) acrylate, pentafluoropropyl (meth) acrylate, isopropyl (meth) acrylate, (meth) ) hexafluoroisopropyl acrylate, cyclohexyl (meth)acrylate, phenyl (meth)acrylate, and stearyl (meth)acrylate.
- the silicone polymer is not particularly limited as long as it is solvent-soluble, but those containing the following structures can be used.
- R 17 to R 22 may have one or more branches, an oxygen atom, a sulfur atom, an NH group, or a hydroxyl group.
- Each of r and s is in the range of 0 to 10,000. is a number that cannot be
- the shell may contain two or more different polymers, and examples of polymer combinations include fluorine-containing polymers, fluorine-containing polymers and fluorine-free vinyl polymers, and fluorine-containing polymers and silicone polymers. Further, it is more preferable that the compatibility of the polymer group to be combined, such as fluorine-containing polymers, is high.
- the shell may also contain other ingredients in addition to the polymers of the present disclosure, such as, for example, the group consisting of imaging dyes, drugs, and radical scavengers such as vitamin C and vitamin E. At least one selected from Radical scavengers can be added for the purpose of suppressing side effects when there is a risk of toxicity due to exposure to oxygen.
- the fluorine content of the shell is preferably 10% or more, more preferably 20% by mass or more, more preferably 30% by mass or more, and more preferably 40% by mass or more. More preferably, it is particularly preferably 45% by mass or more.
- the shell has deformability in that it can easily pass through narrow tubes of about 1 to 50 ⁇ m such as capillaries and fine channels.
- the elastic modulus of the shell is preferably 500 MPa or less, more preferably 300 MPa or less, even more preferably 100 MPa or less, and particularly preferably 50 MPa or less.
- the elastic modulus of the shell is preferably 0.1 MPa or more, more preferably 0.5 MPa or more, and even more preferably 1 MPa or more for moldability, shape retention, and the like.
- the elastic modulus of the shell can be measured by the following tensile test.
- (1) Preparation of test film A test piece for a tensile test is obtained by dissolving the shell in a solvent such as chloroform, coating it on a glass substrate, and drying it to form a film of about 200 ⁇ m.
- (2) Tensile test A tensile test is performed using a tensile tester (eg, CR-3000EX-S manufactured by Sun Science Co., Ltd.) at a displacement rate of 5 mm/min. Measurements were taken at room temperature (21 ⁇ 2° C.) for 5 weeks after specimen formation, followed by room temperature and 50 ⁇ 5% relative humidity (RH ). From the tensile test results, the elastic modulus of the test piece is obtained.
- a tensile tester eg, CR-3000EX-S manufactured by Sun Science Co., Ltd.
- Core Microparticles of the present disclosure have a core, the core comprising a fluorocarbon.
- Fluorocarbons have excellent oxygen solubility, and the microparticles of the present disclosure can be preferably used as oxygen carriers.
- Fluorocarbon in the present disclosure means an organic fluorine compound having a carbon-fluorine bond. Fluorocarbons can reversibly store and/or adsorb gases such as oxygen, carbon dioxide, nitrogen, and hydrogen. Due to the reversible nature of their ability to store gases, fluorocarbons can release gases under physiological conditions, especially in environments deficient in gases such as oxygen, e.g., in ischemic tissue and/or Or it can release the needed gas, such as oxygen, to the organ. In addition, fluorocarbons have excellent stability and sterility.
- the type of gas occluded and/or adsorbed (dissolved) in the fluorocarbon is not particularly limited, but examples include oxygen, carbon dioxide, and nitrogen.
- the gas is oxygen
- the microparticles of the present disclosure can be used as artificial oxygen carriers (artificial oxygen carriers).
- the fluorocarbon is preferably liquid or gel, more preferably liquid.
- the fluorocarbon is liquid under ambient or physiological conditions.
- physiological conditions refer to conditions including at least in vivo chemical conditions (temperature, pressure, pH).
- fluorocarbons are preferably liquid at atmospheric pressure and room temperature (eg, 10-35° C.).
- the type of fluorocarbon is not particularly limited, but fluorocarbons with excellent gas storage capacity (gas solubility) are preferred.
- a liquid fluorocarbon having an oxygen solubility of 30 vol/vol% or more preferably 40 vol/vol% or more, more preferably 50 vol/vol% or more, still more preferably 60 vol/vol% or more
- oxygen solubility refers to the solubility of oxygen molecules in fluorocarbons at 25°C.
- the weight average molecular weight of the fluorocarbon is preferably in the range of 150 to 50,000, more preferably 250 to 45,000, still more preferably 350 to 40,000, from the viewpoint of gas solubility.
- the weight average molecular weight of the fluorocarbon is preferably 5,000 or more, more preferably 7,500 or more, and even more preferably 10,000 or more.
- the weight average molecular weight of the fluorocarbon is preferably as high as possible as long as sufficient solubility in the solvent can be ensured.
- All molecular weights in the present disclosure refer to weight average molecular weights, meaning values measured by GPC: gel permeation chromatography.
- the fluorocarbon is not particularly limited as long as it can reversibly occlude and / or adsorb gas, and fluorocarbons conventionally known as oxygen carriers or oxygen carrier candidates are also used in the present disclosure. be able to.
- fluorocarbons include hydrofluoroethers, fluoroalkanes, bis(fluoroalkyl)ethenes, cyclic (per)fluorocarbons, (per)fluoroamines, (per)fluoro(2-butyltetrahydrofuran), brominated (per)fluorocarbons.
- perfluoro means that all hydrogen atoms of a hydrocarbon are substituted with fluorine atoms, and "(per)fluoro" is either "perfluoro" or "fluoro" indicates
- hydrofluoroethers examples include methyl-(per)fluorobutyl ether, ethyl-(per)fluorobutyl ether, methylperfluorohexyl ether, hexafluoropropyl(methyl)methyl-hexafluoropropyl ether, and the like.
- fluoroalkanes examples include (per)fluorohexane, (per)fluorocyclohexane, (per)fluoromethylcyclohexane, and (per)fluorooctane, perfluorooctyldecane, perfluorohexyldecane, perfluorooctyldodecane, and the like.
- Cyclic (per)fluorocarbons include, for example, (per)fluorodecalin, (per)fluoroadamantane, (per)fluoromethyladamantane, F-1,3-dimethyladamantane, (per)fluorodimethylbicyclo[3,3,1 ]nonane, (per)fluorotrimethylbicyclo[3,3,1]nonane, (per)fluorocyclohexylmethylmorpholine, (per)fluorocyclohexyloxyethylmorpholine, (per)fluorocyclohexylmethylhexamethyleneimine, (per) Fluorocycloheptylmorpholine, (per)fluoro-2,6-dimethyl-4-cyclohexylmorpholine, (per)fluoroethoxyethylpiperidine, (per)fluoro-2-ethoxydecalin, (per)fluoromethylcyclohexane, (per
- Examples of (per)fluoroamines include (per)fluorotripropylamine, (per)fluorotributylamine, F-4-methyloctahydroquinolidine, Fn-methyl-decahydroisoquinoline, Fn-methyl Decahydroquinoline, Fn-cyclohexylpyrrolidine, Fn-(4-methylcyclohexyl)piperidine, (per)fluorodibutylmethylamine, 1H,1H-undecafluorohexylamine, 1H,1H-(per)fluoroheptyl Amine etc. are mentioned.
- Brominated (per)fluorocarbons include (per)fluorooctyl bromide, (per)fluorodecyl bromide, (per)fluorohexyl bromide, 1-bromopentadecafluoroseptane, 1-bromo-1H, 1H, 2H, 2H - (per)fluorodecane and the like.
- Examples of (per)fluorocarbon iodides include (per)fluorooctyl iodide, 1-iodo-8H-(per)fluorooctane, and the like.
- chlorinated (per)fluorocarbons examples include 1,8-perfluorodichlorooctane and the like.
- the (per)fluorocarbon is preferably liquid at room temperature and has a boiling point of 90°C or higher.
- the boiling point is more preferably 110°C or higher, more preferably 130°C or higher.
- Rf 7 -O-(Rf x O) m -Rf 8 represent a (per)fluoroalkyl group having 1 to 16 carbon atoms which may be substituted with one or more fluorine atoms, and R fx is a (per)fluoroalkylene group, and m is 1 to 300. m is more preferably 20 to 300. However, (Rf x O) m may consist of two or more Rf x O having different carbon numbers.)
- Rf 7 and Rf 8 are specifically (CF 3 ) 2 CF, CF 3 CF 2 CF 2 , CF 3 CF 2 , CF 3 , CF 2 H, CFH 2 , CH 2 FCF 2 CF 2 , CHF 2 CF 2 CF 2 and the like, which may be the same or different.
- Rfx is specifically CH2CH2CF2CF2 , CH2CF2CF2 , CF2CF2CF2 , CH2CH2CH2CF2 , CH2CF2CF _ _ _ _ _ _ _ _ _ 2CH2 , CH2CF2CF2 , CHFCF2CF2 , CF2, CFH , CF2CF2 , CFHCF2 , CFHCFH , CF ( CF3 ) CF2 , CF2CF ( CF3 ) , etc. .
- Rfx is preferably CH2CF2CF2 , CF2 , CFH , CF2CF2 , CF ( CF3 ) CF2 .
- (per)fluoroalkyl ethers or polyethers include the following. ( CF3 )2CFO( CF2CF2 ) 2OCF ( CF2H ) 2 , ( CF3 ) 2CFO ( CF2CF2 ) 3OCF ( CF2H ) 2 , ( CF3 )CFO ( CF2 CF2)H), ( CF3 ) 2CFO ( CF2CF2 ) 2H, (CF3)2CFO(CF2O)2 ( CF2CF2 ) 2OCF ( CF2H ) 2 , ( CF 3 ) 2CFO(CF2CF2)3OCF(CF2H)2 , ( CF3 ) CFO ( CF2O ) 5 ( CF2CF2 )H), ( CF3 ) 2CFO ( CF2CF2 ) 2 H, (CH 3 ) 2 CFO(CF 2 CF 2 ) 2 H, and those represented by the following formulas.
- CF3CF2CF2O ( CF2CF2O ) t CF2CF3 , CF3CF2CF2O ( CF2CF2CF2O ) u CF2CF3 , CF3O ( CF2CF2 _ _ _ ⁇ ) v (CF 2 ⁇ ) w CF 3 , CF 3 O(CF(CF 3 )CF 2 ⁇ ) ⁇ CF 2 CF 3 represents 0 to 300, each of which can be used singly, in combination, or by mixing different repeating units.).
- the (per)fluoroalkyl ether or polyether is preferably liquid at room temperature and has a boiling point of 130°C or higher.
- the boiling point is more preferably 150°C or higher, more preferably 200°C or higher.
- the kinematic viscosity at 20°C is preferably in the range of 10 to 3000 cSt (centistokes), more preferably in the range of 30 to 2000 cSt. Viscosity in the present disclosure can be measured using a commercially available viscometer.
- the fluorocarbons can be used singly or in combination of two or more.
- fluorocarbon-hydrocarbon compounds modified into esters, thioethers, and various other forms are also included in the broad definition of "fluorocarbon” materials suitable for use in this disclosure.
- fluorocarbons not listed here can be used, even if they have the properties described herein.
- a gel-like fluorocarbon to which a gelling agent is added can also be used.
- the content (mass ratio) of the fluorocarbon in the microparticles is preferably 30% by mass or more, more preferably 40% by mass or more, relative to the mass of the microparticles (100% by mass) from the viewpoint of gas storage capacity. 60% by mass or more is more preferable.
- the content of fluorocarbon is, for example, 95% by mass or less, or 90% by mass or less with respect to the mass (100% by mass) of the microparticles.
- the fluorocarbon content is in the range of 30-95% by weight, or in the range of 30-90% by weight.
- the content (mass ratio) of the fluorocarbon is the ratio of the mass of the fluorocarbon to the total mass of the mass of the shell and the mass of the core (that is, the gas dissolved in the fluorocarbon is not included).
- the mass ratio (core/shell) between the core component and the shell component constituting the microparticle is, for example, 30/70 to 95/5, preferably 30/70 to 90/10, and 40/60 to 90/10. More preferably, 60/40 to 90/10 is even more preferable.
- microparticle Production Method The microparticles of the present disclosure are not particularly limited, but can be produced, for example, by the following membrane emulsification method via a porous membrane.
- the membrane emulsification method is capable of (1) obtaining microparticles with a uniform particle size distribution (monodisperse, low CV value) and (2) controlling the particle size (particle diameter) and shell thickness of the microparticles. It has the advantage of The membrane emulsification method specifically includes the following steps. Step 1: above 1.
- FIG. 3 is a schematic diagram of a manufacturing apparatus used in a microparticle manufacturing method according to an embodiment of the present disclosure.
- FIG. 4 is a drawing for explaining the principle of membrane emulsification via a porous membrane.
- a dispersion is prepared by dispersing a core component containing fluorocarbon and a shell component containing polymer in an organic solvent as the dispersed phase.
- an organic solvent a low boiling point solvent that dissolves both the core component containing the fluorocarbon and the shell component containing the polymer and is immiscible with water is preferred.
- the organic solvent can be appropriately selected depending on the type of polymer used as the shell component. Specifically, solvents that are difficult to mix with water, such as dichloromethane, chloroform, and fluorine-based solvents, are preferred.
- the shell thickness of the final microparticles can be controlled by adjusting the ratio of the core component such as fluorocarbon and the shell component containing the polymer contained in the dispersion.
- the dispersion liquid prepared as the dispersed phase is injected through the porous membrane into the continuous phase containing the surfactant by applying pressure using, for example, nitrogen gas. , to emulsify the membrane.
- the dispersed phase which is the oil (O) layer
- the continuous phase which is the water (W) phase
- the size of the emulsion formed will be uniform (monodisperse) correlated to the uniform pore size of the porous membrane.
- the size of the emulsion formed is proportional to the pore size of the porous membrane, by adjusting the size of the pore size of the porous membrane, the size of the emulsion formed, and thus the size of the microparticles (Particle diameter) can be controlled. It is preferable to keep the volume ratio of the dispersed phase to the continuous phase (dispersed phase/continuous layer) at 1/2 to 1/1000 (more preferably 1/5 to 1/100, particularly preferably about 1/10). .
- the porous membrane is not particularly limited as long as it has a uniform pore size, and can be made of various materials such as glass, resin such as polycarbonate, and metal.
- the pore diameter of the porous membrane may be determined according to the desired size of the microparticles, but usually a porous membrane having a pore diameter in the range of 0.05 to 20 ⁇ m (preferably 2 to 10 ⁇ m) is used. can be used.
- membrane emulsification is preferably carried out under stirring in order to separate droplets from the membrane surface.
- an aqueous solution containing a surfactant can be used.
- the surfactant is not particularly limited, and conventionally known surfactants used for emulsion formation can be suitably used. Examples thereof include polyvinyl alcohol; and Pluronic (registered trademark) surfactants, which are block copolymers of polyethylene oxide and polypropylene oxide.
- Aqueous solvents include, for example, water, phosphate-buffered saline, medium, physiological saline, and the like.
- the type and concentration of surfactant used affects the size of the emulsion. Specifically, lower surfactant concentrations tend to result in larger emulsion sizes.
- the concentration of the surfactant in the aqueous solution is preferably 0.01 to 10% by weight, preferably 0.1 to 3%, based on the total weight (100% by weight) of the aqueous solution (aqueous solvent and surfactant). Weight percent is more preferred.
- step 2 the organic solvent phase in the emulsion obtained in step 1 is removed by evaporation or the like.
- phase separation occurs between a shell component (O phase) containing a polymer, a core component (F phase) containing a fluorocarbon, and a continuous phase (W phase), resulting in a shell containing a polymer and a core containing a fluorocarbon.
- Core-shell type particles are formed. After formation, the particles are washed with, for example, pure water to remove the surfactant.
- microparticles of the present disclosure having depressions can be produced by a method including, but not limited to, the following steps.
- Step 1 Step of adding alcohol to a dispersion of microparticles of the present disclosure in an aqueous medium
- Step 2 Step of resuspending the particles obtained in Step 1 in a solvent
- a dispersion (first dispersion) is prepared by dispersing microparticles in an aqueous medium, and alcohol is added thereto.
- a dispersion (second dispersion) in which microparticles are dispersed in a mixture of alcohol and aqueous medium is obtained.
- aqueous medium examples include water, a mixed solution of water and alcohol (eg, lower alcohol), PBS (phosphate buffered saline), medium, and physiological saline.
- alcohol eg, lower alcohol
- PBS phosphate buffered saline
- medium e.g., water, a mixed solution of water and alcohol
- physiological saline e.g., physiological saline.
- lower alcohols eg, C1-C6 alcohols, C1-C3 alcohols
- isopropanol, ethanol, methanol and the like are preferable from the point of compatibility with water.
- the concentration of the microparticles in the dispersion is not particularly limited, it is preferable, for example, to contain 0.1 to 20% by weight of the microparticles relative to the total weight of the dispersion (aqueous medium and microparticles).
- the amount of alcohol to be added is preferably 1 to 60 parts by volume, more preferably 10 to 50 parts by volume, relative to the amount of water (100 parts by volume) in the aqueous medium.
- the second dispersion is preferably stirred (preferably slowly so that the particles do not settle) for a period of 6 to 48 hours (more preferably 8 to 36 hours, more preferably 10 to 24 hours). at speed), preferably left to stand.
- the temperature at which it is left to stand is not particularly limited, but it is usually room temperature (eg, 10 to 35°C).
- step 2 the particles obtained in step 1 are recovered by centrifugation at 1000 rpm for 3 minutes and resuspended in solvent.
- the solvent is not particularly limited, but from the viewpoint of safety, for example, aqueous media such as water, phosphate-buffered saline, and physiological saline, ethanol, dimethyl sulfoxide, and aqueous media such as water and phosphate-buffered saline A medium is preferred, water being particularly preferred.
- the amount of solvent used to suspend the particles is not particularly limited.
- the amount of aqueous medium used is such that the concentration of particles in the suspension is between 0.1 and 50% by weight.
- the weight ratio of the particles to the solvent (particles/solvent) is preferably 1/10000 to 3/2, more preferably 1/1000 to 1/1, from the viewpoint of shape control.
- compositions Containing Microparticles and Organic Solvents As described above, in the process of manufacturing microparticles of the present disclosure, compositions containing microparticles of the present disclosure and an organic solvent are obtained.
- microparticle dispersion of the present disclosure is a microparticle dispersion comprising microparticles of the present disclosure and an aqueous medium, wherein the microparticles are dispersed in the aqueous medium.
- Various additives may be contained in the aqueous medium of the microparticle dispersion of the present disclosure.
- the additives in the above are not particularly limited as long as they can be dissolved or dispersed in an aqueous medium.
- carbohydrates such as glucose, galactose and maltose; peptides and proteins such as transferrin, fibronectin and fetuin; fatty acids and lipids such as cholesterol and steroids; serum components such as albumin, growth factors and growth inhibitors;
- biological trace elements such as zinc, copper and selenium.
- microparticle dispersion of the present disclosure can be used as a gas-carrying liquid and the like.
- the gas-carrying liquid can be, for example, an oxygen carrier.
- an oxygen carrier for example, it is used as a blood substitute, means for supplying oxygen to a specific site in the body, transplanted tissue preservation solution, transplanted organ protection solution, transplanted organ perfusate, or culture solution of animal cells or microorganisms. can be used.
- microparticle dispersion of the present disclosure when used as a blood substitute, specifically for prophylactic treatment of oxygen-deficient conditions (e.g., ischemia due to heart failure, cerebral infarction, respiratory failure, etc.), e.g., for blood transfusion and/or for therapeutic treatment, or for prophylactic and/or therapeutic treatment of ischemic conditions or conditions following reperfusion, in particular tourniquet syndrome (reperfusion syndrome).
- oxygen-deficient conditions e.g., ischemia due to heart failure, cerebral infarction, respiratory failure, etc.
- microparticle dispersions of the present disclosure when used for transfusion purposes, are more specifically for the treatment of blood loss (e.g., hemorrhagic shock, bleeding during surgery) associated with surgery, accidents, injuries, etc. It can be used for purposes such as blood loss (e.g., hemorrhagic shock, bleeding during surgery) associated with surgery, accidents, injuries, etc. It can be used for purposes such as blood loss (e.g., hemorrhagic shock, bleeding during surgery) associated with surgery, accidents, injuries, etc. It can be used for purposes such as
- the microparticle dispersion of the present disclosure When used for the purpose of preserving transplanted tissue, it can specifically be used as an artificial oxygen carrier for transporting oxygen to the transplanted tissue. In this case, the microparticle dispersion of the present disclosure can also be used for the purpose of preserving transplant tissue in the field of regenerative medicine.
- the microparticle dispersion liquid of the present disclosure when used as a non-oxygen gas carrier liquid, it can be used specifically as a DDS carrier for delivering gas. Also, in this case, the microparticle dispersions of the present disclosure are also used for prophylactic and/or therapeutic treatment of gas bubbling or gas thrombi in the bloodstream (e.g., supplementation of extracorporeal circuits such as heart-lung machines, fluid ventilation, detoxification, etc.). ) can also be used for prophylactic and/or therapeutic treatment of gas bubbling or gas thrombi in the bloodstream (e.g., supplementation of extracorporeal circuits such as heart-lung machines, fluid ventilation, detoxification, etc.). ) can also be used for prophylactic and/or therapeutic treatment of gas bubbling or gas thrombi in the bloodstream (e.g., supplementation of extracorporeal circuits such as heart-lung machines, fluid ventilation, detoxification, etc.). ) can also be used for
- the target when an animal is the target, the target is not particularly limited, and may be, for example, humans, mice, rats, rabbits, pigs, dogs, cats, and the like.
- the unit represents mass in the table.
- Step 2 the resulting solution was extruded into 20 mL of a 2% polyvinyl alcohol aqueous solution with a syringe through a hydrophilic glass porous membrane for film emulsification to obtain emulsified particles.
- Step 2 the emulsion was stirred at 200 rpm to evaporate dichloromethane at room temperature, and then centrifuged at 1000 rpm for 3 minutes.
- the obtained particles were washed with pure water to obtain particles composed of a core made of perfluorooctyl bromide and a shell made of tetrafluoroethylene-vinylpyrrolidone copolymer.
- the volume average particle size was 11.93 ⁇ m.
- the CV value was 34%.
- Example 2 A core made of perfluorooctyl bromide and a shell made of a tetrafluoroethylene vinylpyrrolidone copolymer were used in the same manner as in Example 1, except that 50 mg of tetrafluoroethylene vinylpyrrolidone copolymer was used. particles were obtained. The volume average particle size was 10.97 ⁇ m. The CV value was 43%.
- Example 3 A core made of perfluorooctyl bromide and a shell made of a tetrafluoroethylene vinylpyrrolidone copolymer were used in the same manner as in Example 1, except that 100 mg of the tetrafluoroethylene vinylpyrrolidone copolymer was used. particles were obtained. The volume average particle size was 12.37 ⁇ m. The CV value was 31%.
- Emulsified particles were obtained in the same manner as in Example 1, except that in step 1, 50 mg of poly(methyl ⁇ -fluoroacrylate) (weight average molecular weight: 10,400, fluorine content: 18% by weight) was used. After that, in step 2, the solvent was distilled off and the particles were washed to obtain particles composed of a core made of perfluorooctyl bromide and a shell made of poly(methyl ⁇ -fluoroacrylate). The volume average particle size was 7.57 ⁇ m. The CV value was 30%.
- Example 5 50 mg of 4,4'-[perfluoropropane-2,2'-diyl] phthalic anhydride/2,2'-bis(trifluoromethyl)-4,4'diaminobiphenyl alternating copolymer ( Emulsified particles were obtained in the same manner as in Example 1, except that the fluorine content was 33% by weight.
- step 2 the solvent is distilled off and washed to obtain a core composed of perfluorooctyl bromide and 4,4′-[perfluoropropane-2,2′-diyl]diphthalic anhydride/2,2′- Particles were obtained which consisted of a shell of bis(trifluoromethyl)-4,4'diaminobiphenyl alternating copolymer.
- the volume average particle size was 6.63 ⁇ m.
- the CV value was 29%.
- Emulsified particles were obtained in the same manner as in Example 1, except that 50 mg of polydimethylsiloxane elastomer (product number SuperPDMS XM-1700) was used in step 1. Subsequently, in Step 2, solvent distillation and washing were carried out to obtain particles composed of a core made of perfluorooctyl bromide and a shell made of polydimethylsiloxane. The volume average particle size was 10.1 ⁇ m. The CV value was 28%.
- Emulsified particles were prepared in the same manner as in Example 1 except that 50 mg of a styrene-butadiene-styrene block copolymer (styrene 30 wt%, melt index: 10 g/10 min (200°C/5.0 kg)) was used in step 1. got Subsequently, in Step 2, solvent distillation and washing were carried out to obtain particles composed of a shell made of a styrene-butadiene-styrene block copolymer made of perfluorooctyl bromide. The volume average particle size was 9.3 ⁇ m. The CV value was 33%.
- step 2 the solvent was distilled off and washed to obtain particles composed of a core made of perfluorodecalin and a shell made of a vinylidene fluoride/ethylene tetrafluoride/propylene hexafluoride copolymer. .
- the volume average particle size was 18.62 ⁇ m.
- the CV value was 66%.
- step 2 the solvent is distilled off and washed, thereby producing particles composed of a core made of perfluoropolyether oil and a shell made of vinylidene fluoride/ethylene tetrafluoride/propylene hexafluoride copolymer. Obtained.
- the volume average particle size was 5.99 ⁇ m.
- the CV value was 34%.
- particles composed of a core made of perfluorooctyl bromide and a shell made of a vinylidene fluoride/ethylene tetrafluoride/propylene hexafluoride copolymer were obtained.
- the volume average particle size was 6.31 ⁇ m.
- the CV value was 28%.
- Example 11 5 mg of tetrafluoroethylene vinylpyrrolidone copolymer for step 1, 45 mg of 4,4'-[perfluoropropane-2,2'-diyl] phthalic anhydride/2,2'-bis(trifluoromethyl) Emulsified particles were obtained in the same manner as in Example 1, except that a -4,4'diaminobiphenyl alternating copolymer was used.
- step 2 the solvent is distilled off and washed to obtain a core composed of perfluorooctyl bromide, a tetrafluoroethylene vinylpyrrolidone copolymer, and 4,4′-[perfluoropropane-2,2′-diyl].
- Particles were obtained which consisted of a phthalic anhydride/2,2′-bis(trifluoromethyl)-4,4′diaminobiphenyl alternating copolymer shell.
- the volume average particle size was 5.86 ⁇ m.
- the CV value was 30%.
- Step 2 the solvent is distilled off and washed to obtain a core composed of perfluorodecalin and 4,4′-[perfluoropropane-2,2′-diyl]diphthalic anhydride/2,2′-bis Particles composed of a shell of (trifluoromethyl)-4,4'diaminobiphenyl alternating copolymer were obtained.
- the volume average particle size was 10.54 ⁇ m.
- the CV value was 29%.
- Example 13 50 mg of 4,4′-[perfluoropropane-2,2′-diyl]diphthalic anhydride/2,2′-bis(trifluoromethyl)-4,4′diaminobiphenyl alternating copolymer as step 1; Emulsified particles were obtained in the same manner as in Example 1, except that 58 ⁇ L of perfluorooctyl bromide and 4 ⁇ L of perfluorooctyldecane were used.
- step 2 the solvent is distilled off and washed to obtain a core composed of perfluorooctyl bromide and perfluorooctyldecane and 4,4′-[perfluoropropane-2,2′-diyl]diphthalic anhydride/ Particles were obtained which consisted of a shell consisting of an alternating copolymer of 2,2'-bis(trifluoromethyl)-4,4'diaminobiphenyl. The volume average particle size was 6.7 ⁇ m. The CV value was 29%.
- step 2 the solvent is distilled off and washed to obtain a core composed of perfluorodecalin, a tetrafluoroethylene vinylpyrrolidone copolymer, and 4,4′-[perfluoropropane-2,2′-diyl]diyl.
- Particles composed of phthalic anhydride/2,2'-bis(trifluoromethyl)-4,4'diaminobiphenyl alternating copolymer shells were obtained.
- the volume average particle size was 28.9 ⁇ m.
- the CV value was 66%.
- Example 15 25 mg of styrene-maleic anhydride copolymer for step 1, 25 mg of 4,4'-[perfluoropropane-2,2'-diyl] phthalic anhydride/2,2'-bis(trifluoromethyl)-4 Emulsified particles were obtained in the same manner as in Example 1, except that a 4′-diaminobiphenyl alternating copolymer was used.
- step 2 the solvent is distilled off and washed to obtain a core composed of perfluorooctyl bromide, a styrene-maleic anhydride copolymer, and 4,4′-[perfluoropropane-2,2′-diyl]dianhydride.
- Particles composed of a phthalic acid/2,2'-bis(trifluoromethyl)-4,4'diaminobiphenyl alternating copolymer and a shell were obtained.
- the volume average particle size was 6.58 ⁇ m.
- the CV value was 29%.
- Example 16 50 mg of poly[4,5-difluoro-2,2-bis(trifluoromethyl)-1,3-dioxole-co-tetrafluoroethylene] for step 1, 61 ⁇ L of perfluoropolyether oil (Krytox GPL103), Emulsified particles were obtained in the same manner as in Example 1, except that hydrofluoroether (trade name: Novec7000) was used as the solvent. The volume average particle size was 27.2 ⁇ m.
- Example 17 Dimpled Particles To 2 mL of a 0.8% by weight dispersion of particles prepared in a manner similar to Example 5, 1 mL of isopropanol was added with stirring. The mixture was allowed to stand at room temperature for about 12 hours while being stirred at a speed at which the microparticles would not settle. The obtained particles were resuspended in pure water to obtain microparticles having a hollow shape.
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Organic Chemistry (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- Pharmacology & Pharmacy (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Dentistry (AREA)
- Polymers & Plastics (AREA)
- Biophysics (AREA)
- Dermatology (AREA)
- Hematology (AREA)
- Physiology (AREA)
- Inorganic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Silicon Polymers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
フッ素含有ポリマー、フッ素非含有ビニルポリマー、及びシリコーンポリマーからなる群より選択される少なくとも一種のポリマーを含むシェルと、フルオロカーボンを含むコアとを含む、コアシェル型のマイクロ粒子。
項2.
ポリマーを含むシェルと、フルオロカーボンを含むコアとを含む、コアシェル型のマイクロ粒子であって、
前記ポリマー主鎖中の繰り返し単位中の主鎖を構成する構造単位が、実質的に-CX1X2-CX3CX4-,-CX1=CX2-,-C≡C-,-CX1-O-CX2-,-CX1-S-CX2-,-CX1-S-S-CX2-,-CX1X2-C(=O)-CX3X4-,-C(=O)-N(X,Y)-,-CX1X2-C(=S)-CX1X2-,-C(=S)-N(X,Y)-,-Si(X,Y)-O-Si(X,Y)-,及び-Si(X,Y)-Si(X,Y)-(式中、X1,X2,X3,及びX4は、同一又は異なって、水素原子、フッ素原子、塩素原子、置換基を有していてもよい酸素原子、鎖状又は環状で置換基を有していてもよい炭素数1~20のアルキル基、置換基を有していてもよい炭素数1~20のアルキレン基、ニトリル基、エステル基、鎖状又は環状で置換基を有していてもよい炭素数1~20の含フッ素アルキル基、又は置換基を有していてもよい炭素数1~20の含フッ素アルキレン基であり、X及びYは、同一又は異なって、水素原子、置換基を有していてもよく鎖状又は環状で炭素数1~20の、アルキル基、アルキレン基、(パー)フルオロアルキル基、若しくは(パー)フルオロアルキレン基、又はアリール基を表す)からなる群より選択される少なくとも1種の構造単位からなる、マイクロ粒子。
項3.
前記ポリマー主鎖中の繰り返し単位中の主鎖を構成する構造単位が、実質的に-CX1X2-CX3CX4-,-CX1=CX2-,-CX1-O-CX2-,-CX1X2-C(=O)-CX3X4-,-C(=O)-N(X,Y)-,-CX1X2-C(=S)-CX1X2-,-Si(X,Y)-O-Si(X,Y)-,及び-Si(X,Y)-Si(X,Y)-(式中、X1,X2,X3,及びX4は、同一又は異なって、水素原子、フッ素原子、塩素原子、置換基を有していてもよい酸素原子、鎖状又は環状で置換基を有していてもよい炭素数1~20のアルキル基、鎖状又は環状で置換基を有していてもよい炭素数1~20のアルキレン基、ニトリル基、エステル基、置換基を有していてもよい炭素数1~20の含フッ素アルキル基、置換基を有していてもよい炭素数1~20の含フッ素アルキレン基であり、X及びYは、同一又は異なって、水素原子、置換基を有していてもよく鎖状又は環状で炭素数1~20の、アルキル基、アルキレン基、アリール基、(パー)フルオロアルキル基、又は(パー)フルオロアルキレン基を表す)からなる群より選択される少なくとも1種の構造単位からなる、項1に記載のマイクロ粒子。
項4.
前記ポリマーの酸性条件付与後における引張強度の変化が50%以下である、項1~3のいずれか一項に記載のマイクロ粒子。
項5.
前記ポリマーの酸性条件付与後における引張伸びの変化が50%以下である、項1~4のいずれか一項に記載のマイクロ粒子。
項6.
前記ポリマーのアルカリ性条件付与後における引張強度の変化が50%以下である、項1~5のいずれか一項に記載のマイクロ粒子。
項7.
前記ポリマーのアルカリ性条件付与後における引張伸びの変化が50%以下である、項1~6のいずれか一項に記載のマイクロ粒子。
項8.
酸性条件付与後におけるマイクロ粒子形状の変化率が50%以下である、項1~3のいずれか一項に記載のマイクロ粒子。
項9.
アルカリ性条件付与後におけるマイクロ粒子形状の変化率が50%以下である、項1~8のいずれか一項に記載のマイクロ粒子。
項10.
シェルの酸素透過係数が10-14cm3(STP)cm/(cm2・s・Pa)以上である、項1~9のいずれか一項に記載のマイクロ粒子。
項11.
前記ポリマーがシリコーンポリマー又はフッ素含有ポリマーであり、前記ポリマーに含まれるフッ素の含有量が、20重量%以上である項1~10のいずれか一項に記載のマイクロ粒子。
項12.
コアのフルオロカーボンのフッ素含有率が10質量%以上である、項1~11のいずれか一項に記載のマイクロ粒子。
項13.
コアのフルオロカーボンの沸点が90℃以上である、項1~12のいずれか一項に記載のマイクロ粒子。
項14.
コアのフルオロカーボンの酸素の溶解度が30vol/vol%以上である、項1~13のいずれか一項に記載のマイクロ粒子。
項15.
前記フルオロカーボンがパーフルオロアルキル基を含むフルオロカーボン又はフルオロポリエーテル基とパーフルオロアルキル基とを含むフルオロカーボンであり、かつ重量平均分子量が50000以下である、項1~14のいずれか一項に記載のマイクロ粒子。
項16.
フルオロポリエーテル基とパーフルオロアルキル基とを含む前記フルオロカーボンの沸点が150℃以上である、項15に記載のマイクロ粒子。
項17.
体積平均粒子径が、500μm以下である、項1~16のいずれか一項に記載のマイクロ粒子。
項18.
シェルの厚みが、50nm以上である、項1~17のいずれか一項に記載のマイクロ粒子。
項19.
コアが酸素を含む、項1~17のいずれか一項に記載のマイクロ粒子。
項20.
シェルの弾性率が、500MPa以下である、項1~19のいずれか一項に記載のマイクロ粒子。
項21.
項1~20のいずれか一項に記載のマイクロ粒子と、
有機溶剤と
を含む組成物。
項22.
項1~20のいずれか一項に記載のマイクロ粒子と、
水性媒体と
を含み、前記マイクロ粒子が前記水性媒体中に分散している、マイクロ粒子分散液。
項23.
酸素運搬液、移植組織保存液、移植臓器保護液、又は培養液である、項22に記載のマイクロ粒子分散液。
項24.
項1~20のいずれか一項に記載のマイクロ粒子の製造方法であって、以下の工程(1)及び(2)を含む方法:
(1)ポリマーとフルオロカーボンとを有機溶媒中に分散させた分散相を、均一な細孔を有する多孔質膜を介して、界面活性剤を含む連続相中に、膜乳化させて前記マイクロ粒子を分散質として含むエマルションを得る工程;及び
(2)前記エマルションに含まれる有機溶媒相を除去する工程。
項25.
くぼみを有する項1~18のいずれか一項に記載のマイクロ粒子の製造方法であって、以下の工程(1)及び(2)を含む方法:
(1)項1~20のいずれか一項に記載のマイクロ粒子を、水性媒体に分散させた分散液に、アルコールを添加する工程;及び
(2)工程(1)で得られた粒子を溶媒に再懸濁させる工程。
本開示のマイクロ粒子は、ポリマーを含むシェルと、フルオロカーボンを含むコアとを含む、コアシェル型のマイクロ粒子である。
CV値(%)=(粒子径の標準偏差/体積平均粒子径)×100
本開示のマイクロ粒子はシェルを有し、シェルは特定のポリマーを含む。本開示のポリマーは、フッ素含有ポリマー、フッ素非含有ビニルポリマー、及びシリコーンポリマーからなる群から選択される少なくとも一つのポリマーであってもよい。単独で用いてもよいし、二つ以上のポリマーを組み合わせて用いてもよい。フッ素含有ポリマーとは、構造式中にフッ素原子を含むポリマーをいう。フッ素非含有ビニルポリマーとは、ビニル基を含むモノマーから誘導される構造式中にフッ素原子を含まないポリマーをいう。シリコーンポリマーとは構造式中にフッ素原子を含まず、かつ、ケイ素―ケイ素結合、又はケイ素―酸素結合を含むポリマーをいう。
及び下記式(A4)で表される構成単位を含む共重合体
等が挙げられる。
下記式(B):
R11は下記式:
R12はNH2-R12-NH2で示されるジアミンの炭素鎖部分を表わし、nは1以上の整数である。)
(1)試験フィルムの調製
引張試験のための試験片はシェルをクロロホルム等の溶媒に溶かしてガラス基板上に塗布し、乾燥することで、約200μmのフィルムを形成することにより得る。
(2)引張試験
引張試験を、引張試験機(例えばサン科学(株)製、CR-3000EX-S)を用いて、5mm/minの変位速度で行う。測定は、試験片形成後、室温(21±2℃)で5週間貯蔵した後、ISO 527-3/1995(ISO 527-3/2/5)に従って、室温および50±5%相対湿度(RH)で行う。引張試験結果から、試験片の弾性率を得る。
本開示のマイクロ粒子はコアを有し、コアはフルオロカーボンを含む。フルオロカーボンは酸素溶解性に優れており、本開示のマイクロ粒子を酸素運搬体として好ましく用いることができる。
Rf7-О-(RfxО)m-Rf8
(Rf7およびRf8は1個又はそれ以上のフッ素原子により置換されていてもよい炭素数1~16の(パー)フルオロアルキル基を表しRfxは(パー)フルオロアルキレン基であり、mは1~300である。mはより好ましくは20~300である。但し、(RfxО)mは、炭素数の異なる2種以上のRf x Oからなるものであってもよい。)
本開示のマイクロ粒子は、特に限定されないが、例えば以下の多孔質膜を介した膜乳化法により製造することができる。
膜乳化法は、(1)均一な粒度分布(単分散、低CV値)を有するマイクロ粒子を得られる、(2)マイクロ粒子の粒子サイズ(粒子径)およびシェルの厚みのサイズコントロールが可能である、といった利点を有する。膜乳化法は、具体的には以下の工程を含む。
工程1:上記1.で説明した、本開示のフルオロカーボンと本開示のポリマーとを有機溶媒中に分散させた分散相を、均一な細孔径を有する多孔質膜を介して、界面活性剤を含む連続相中に、膜乳化させてエマルションを得る工程
工程2:前記エマルションに含まれる有機溶媒相を除去することにより、前記ポリマーを含むシェルと前記フルオロカーボンを含むコアとを含むコアシェル型のマイクロ粒子を形成させる工程
界面活性剤としては特に制限されず、エマルション形成のために使用される従来公知のものを好適に使用することができる。例えば、ポリビニルアルコール;ポリエチレンオキシドとポリプロピレンオキシドのブロック共重合体であるプルロニック(登録商標)系界面活性剤等が挙げられる。
水性溶媒としては、例えば、水、リン酸緩衝食塩水、培地、生理食塩水等が挙げられる。使用する界面活性剤の種類および濃度は、エマルションのサイズに影響を与える。具体的には、界面活性剤の濃度が小さいと、形成されるエマルションのサイズが大きくなる傾向がある。また、水性溶液中の界面活性剤の濃度は、水性溶液(水性溶媒および界面活性剤)の合計重量(100重量%)に対して、0.01~10重量%が好ましく、0.1~3重量%がより好ましい。
くぼみを有する本開示のマイクロ粒子は、特に限定されないが例えば以下の工程を含む方法により製造することができる。
工程1:本開示のマイクロ粒子を、水性媒体に分散させた分散液に、アルコールを添加する工程
工程2:工程1で得られた粒子を溶媒に再懸濁させる工程
アルコールの添加後に、第2の分散液を、好ましくは6~48時間(より好ましくは8~36時間、さらに好ましくは10~24時間)の間、撹拌下(好ましくは粒子が沈降しないゆっくりとした速度で)、静置することが好ましい。静置する際の温度は特に制限されないが、通常、室温(例えば10~35℃)である。
溶媒としては特に制限されないが、安全性の面から、例えば、水、リン酸緩衝食塩水、生理食塩水などの水性媒体、エタノール、ジメチルスルホキシドが挙げられ、水、リン酸緩衝食塩水などの水性媒体が好ましく、水が特に好ましい。
粒子と溶媒との重量比(粒子/溶媒)は、形状制御の面から、好ましくは、1/10000~3/2であり、より好ましくは1/1000~1/1である。
上記の通り、本開示のマイクロ粒子の製造過程において、本開示のマイクロ粒子と、有機溶剤とを含む組成物が得られる。
本開示のマイクロ粒子分散液は、本開示のマイクロ粒子と、水性媒体とを含み、前記マイクロ粒子が前記水性媒体中に分散している、マイクロ粒子分散液である。
実施例で得た粒子に対してレーザー回折/散乱式粒子径分布測定装置(ParticaLA-950V2, Horiba)を使用して測定を行い、粒子サイズ(体積平均粒 子径 )およびCV値を測定した。なお、CV値は、粒子径の標準偏差および平均粒子径の値から下記の式に従って求めた。
CV値(%)=( 粒子径 の標準偏差/平均粒子径)x100
(2)弾性率の評価
微小圧縮試験機(MCT series, Shimadzu)を用いて、マイクロ粒子の変形能を測定した。ステージ上の粒子から顕微鏡観察下(対物レンズ50倍)で測定対象を一つ選択し、プローブによって粒子を上方から圧縮することで、圧縮時の応力と変位を評価した。
1.球状マイクロ粒子
[実施例1]
(工程1)30mgの四フッ化エチレンビニルピロリドン共重合体(重量平均分子量44500、四フッ化エチレン:ビニルピロリドン=36:64、フッ素含有率26重量%)、0.12gのパーフルオロオクチルブロミド(酸素溶解度50vol%)を2mLのジクロロメタンに溶解させた。ナイルレッドを蛍光測定用に添加した。次いで、得られた溶液を20mLの2%ポリビニルアルコール水溶液中に、親水性ガラス多孔質膜を介してシリンジで押出すことにより、膜乳化させ、乳化粒子を得た。
(工程2)続いて、エマルションを200rpmで撹拌しながら室温でジクロロメタンを蒸発させ、さらに1000rpmで3分間遠心分離した。得られた粒子を純水で洗浄し、パーフルオロオクチルブロミドからなるコアと四フッ化エチレンビニルピロリドン共重合体からなるシェルとから構成される粒子を得た。体積平均粒子径は11.93μmであった。CV値は34%であった。
50mgの四フッ化エチレンビニルピロリドン共重合体を用いたこと以外は、実施例1と同様にして、パーフルオロオクチルブロミドからなるコアと四フッ化エチレンビニルピロリドン共重合体からなるシェルとから構成される粒子を得た。体積平均粒子径は10.97μmであった。CV値は43%であった。
100mgの四フッ化エチレンビニルピロリドン共重合体を用いたこと以外は、実施例1と同様にして、パーフルオロオクチルブロミドからなるコアと四フッ化エチレンビニルピロリドン共重合体からなるシェルとから構成される粒子を得た。体積平均粒子径は12.37μmであった。CV値は31%であった。
工程1として50mgのポリ(メチルα―フルオロアクリレート)(重量平均分子量10400、フッ素含有率18重量%)を用いたこと以外は実施例1と同様にして、乳化粒子を得た。後に、工程2として溶媒留去と洗浄を行うことでパーフルオロオクチルブロミドからなるコアとポリ(メチルα―フルオロアクリレート)からなるシェルとから構成される粒子を得た。体積平均粒子径は7.57μmであった。CV値は30%であった。
工程1として50mgの4,4‘-[パーフルオロプロパンー2,2’-ジイル]ジ無水フタル酸/2,2‘-ビス(トリフルオロメチル)-4,4’ジアミノビフェニル交互共重合体(フッ素含有率33重量%)を用いたこと以外は実施例1と同様にして、乳化粒子を得た。後に、工程2として溶媒留去と洗浄を行うことで、パーフルオロオクチルブロミドからなるコアと4,4‘-[パーフルオロプロパンー2,2’-ジイル]ジ無水フタル酸/2,2‘-ビス(トリフルオロメチル)-4,4’ジアミノビフェニル交互共重合体からなるシェルとから構成される粒子を得た。体積平均粒子径は6.63μmであった。CV値は29%であった。
工程1として50mgのポリジメチルシロキサンエラストマー(品番 SuperPDMS XM-1700)を用いたこと以外は実施例1と同様にして、乳化粒子を得た。後に、工程2として溶媒留去と洗浄を行うことで、パーフルオロオクチルブロミドからなるコアとポリジメチルシロキサンからなるシェルとから構成される粒子を得た。体積平均粒子径は10.1μmであった。CV値は28%であった。
工程1として50mgのスチレンーブタジエンースチレンブロック共重合体(スチレン30wt%、メルトインデックス:10g/10min (200℃/5.0kg))を用いたこと以外は実施例1と同様にして、乳化粒子を得た。後に、工程2として溶媒留去と洗浄を行うことで、パーフルオロオクチルブロミドからなるスチレンーブタジエンースチレンブロック共重合体からなるシェルとから構成される粒子を得た。体積平均粒子径は9.3μmであった。CV値は33%であった。
工程1として50mgのビニリデンフルオライド/四フッ化エチレン/六フッ化プロピレン共重合体(含有比率 ビニリデンフルオライド/四フッ化エチレン/六フッ化プロピレン=50/20/30、フッ素含有率67重量%)と61μLのパーフルオロデカリン(酸素溶解度40vol%)、溶媒としてハイドロフルオロエーテル(商品名 Novec7000)を用いたこと以外は実施例1と同様にして、乳化粒子を得た。後に、工程2として溶媒留去と洗浄を行うことで、パーフルオロデカリンからなるコアとビニリデンフルオライド/四フッ化エチレン/六フッ化プロピレン共重合体からなるシェルとから構成される粒子を得た。体積平均粒子径は18.62μmであった。CV値は66%であった。
工程1として50mgのビニリデンフルオライド/四フッ化エチレン/六フッ化プロピレン共重合体(含有比率 ビニリデンフルオライド/四フッ化エチレン/六フッ化プロピレン=50/20/30、フッ素含有率67重量%)、61μLのパーフルオロポリエーテルオイル(クライトックスGPL103)、溶媒としてハイドロフルオロエーテル(商品名Novec7000)を用いたこと以外は実施例1と同様にして、乳化粒子を得た。後に、工程2として溶媒留去と洗浄を行うことで、パーフルオロポリエーテルオイルからなるコアとビニリデンフルオライド/四フッ化エチレン/六フッ化プロピレン共重合体からなるシェルとから構成される粒子を得た。体積平均粒子径は5.99μmであった。CV値は34%であった。
工程1として50mgのビニリデンフルオライド/四フッ化エチレン/六フッ化プロピレン共重合体(含有比率 ビニリデンフルオライド/四フッ化エチレン/六フッ化プロピレン=50/20/30、フッ素含有率67重量%)、61μLのパーフルオロオクチルブロミドを2mLのハイドロフルオロエーテル(商品名 Novec7000)を用いたこと以外は実施例1と同様にして乳化粒子を得た。
工程2として溶媒留去と洗浄を行うことで、パーフルオロオクチルブロミドからなるコアとビニリデンフルオライド/四フッ化エチレン/六フッ化プロピレン共重合体からなシェルとから構成される粒子を得た。体積平均粒子径は6.31μmであった。CV値は28%であった。
工程1として5mgの四フッ化エチレンビニルピロリドン共重合体、45mgの4,4‘-[パーフルオロプロパンー2,2’-ジイル]ジ無水フタル酸/2,2‘-ビス(トリフルオロメチル)-4,4’ジアミノビフェニル交互共重合体を用いたこと以外は実施例1と同様にして、乳化粒子を得た。後に、工程2として溶媒留去と洗浄を行うことで、パーフルオロオクチルブロミドからなるコアと四フッ化エチレンビニルピロリドン共重合体および4,4‘-[パーフルオロプロパンー2,2’-ジイル]ジ無水フタル酸/2,2‘-ビス(トリフルオロメチル)-4,4’ジアミノビフェニル交互共重合体からなるシェルとから構成される粒子を得た。体積平均粒子径は5.86μmであった。CV値は30%であった。
工程1として50mgの4,4‘-[パーフルオロプロパンー2,2’-ジイル]ジ無水フタル酸/2,2‘-ビス(トリフルオロメチル)-4,4’ジアミノビフェニル交互共重合体、溶媒としてジクロロメタンとNovec7000の混合溶媒(ジクロロメタン/Novec7000=2mL/0.2mL)を用いたこと以外は実施例1と同様にして、乳化粒子を得た。後に、工程2として溶媒留去と洗浄を行うことで、パーフルオロデカリンからなるコアと4,4‘-[パーフルオロプロパンー2,2’-ジイル]ジ無水フタル酸/2,2‘-ビス(トリフルオロメチル)-4,4’ジアミノビフェニル交互共重合体からなるシェルとから構成される粒子を得た。体積平均粒子径は10.54μmであった。CV値は29%であった。
工程1として50mgの4,4‘-[パーフルオロプロパンー2,2’-ジイル]ジ無水フタル酸/2,2‘-ビス(トリフルオロメチル)-4,4’ジアミノビフェニル交互共重合体、58μLのパーフルオロオクチルブロミド、4μLのパーフルオロオクチルデカンを用いたこと以外は実施例1と同様にして、乳化粒子を得た。後に、工程2として溶媒留去と洗浄を行うことで、パーフルオロオクチルブロミド、パーフルオロオクチルデカンからなるコアと4,4‘-[パーフルオロプロパンー2,2’-ジイル]ジ無水フタル酸/2,2‘-ビス(トリフルオロメチル)-4,4’ジアミノビフェニル交互共重合体からなるシェルとから構成される粒子を得た。体積平均粒子径は6.7μmであった。CV値は29%であった。
工程1として5mgの四フッ化エチレンビニルピロリドン共重合体、45mgの4,4‘-[パーフルオロプロパンー2,2’-ジイル]ジ無水フタル酸/2,2‘-ビス(トリフルオロメチル)-4,4’ジアミノビフェニル交互共重合体、61μLのパーフルオロデカリン、溶媒としてジクロロメタンとNovec7000の混合溶媒(ジクロロメタン/Novec7000=2mL/0.2mL)を用いたこと以外は実施例1と同様にして、乳化粒子を得た。後に、工程2として溶媒留去と洗浄を行うことで、パーフルオロデカリンからなるコアと四フッ化エチレンビニルピロリドン共重合体、4,4‘-[パーフルオロプロパンー2,2’-ジイル]ジ無水フタル酸/2,2‘-ビス(トリフルオロメチル)-4,4’ジアミノビフェニル交互共重合体からなるシェルとから構成される粒子を得た。体積平均粒子径は28.9μmであった。CV値は66%であった。
工程1として25mgのスチレンー無水マレイン酸共重合体、25mgの4,4‘-[パーフルオロプロパンー2,2’-ジイル]ジ無水フタル酸/2,2‘-ビス(トリフルオロメチル)-4,4’ジアミノビフェニル交互共重合体を用いたこと以外は実施例1と同様にして、乳化粒子を得た。後に、工程2として溶媒留去と洗浄を行うことで、パーフルオロオクチルブロミドからなるコアとスチレンー無水マレイン酸共重合体、4,4‘-[パーフルオロプロパンー2,2’-ジイル]ジ無水フタル酸/2,2‘-ビス(トリフルオロメチル)-4,4’ジアミノビフェニル交互共重合体からなるシェルとから構成される粒子を得た。体積平均粒子径は6.58μmであった。CV値は29%であった。
工程1として50mgのポリ[4,5-ジフルオロ-2,2-ビス(トリフルオロメチル)-1,3-ジオキソール-co-テトラフルオロエチレン]、61μLのパーフルオロポリエーテルオイル(クライトックスGPL103)、溶媒としてハイドロフルオロエーテル(商品名 Novec7000)を用いたこと以外は実施例1と同様にして、乳化粒子を得た。体積平均粒子径は27.2μmであった。
[実施例17]くぼみのある粒子
実施例5と同様の方法により製造した粒子の0.8重量%の分散液2mLに、1mLのイソプロパノールを撹拌しながら添加した。室温下、マイクロ粒子が沈降しない速度で撹拌させながら約12時間静置した。得られた粒子を純水で再懸濁させることにより、くぼみを有する形状のマイクロ粒子を得た。
実施例6と同様の方法により製造した粒子を、希塩酸水溶液(pH=4.4)、水酸化ナトリウム水溶液(pH=10.4)、70%エタノール、120℃高圧水蒸気条件にそれぞれ24時間さらした後、走査電子顕微鏡にて観察し、コアシェル粒子形状が変化していないことを確認した。
実施例5と同様の方法により製造した粒子を、希塩酸水溶液(pH=4.4)、水酸化ナトリウム水溶液(pH=10.4)、70%エタノール条件にそれぞれ24時間さらした後、走査型電子顕微鏡にて観察し、コアシェル粒子形状が変化していないことを確認した。
Adv. Mater. Technol. 2021, 2100573記載のパーフルオロオクチルブロミドをコアに有し、L-乳酸―カプロラクトン共重合体をシェルに有するコアシェル型粒子を水酸化ナトリウム水溶液(pH=10.4)条件に24時間浸漬させた後、走査型電子顕微鏡にて観察すると、粒子形状が変化してコアシェル構造が崩壊することを確認した。
11 シェル
12 コア
13 ポリマー
14 フルオロカーボン
15 くぼみ
da 短径
db 長径
Claims (20)
- フッ素含有ポリマー、フッ素非含有ビニルポリマー、及びシリコーンポリマーからなる群より選択される少なくとも一種のポリマーを含むシェルと、フルオロカーボンを含むコアとを含む、コアシェル型のマイクロ粒子。
- ポリマーを含むシェルと、フルオロカーボンを含むコアとを含む、コアシェル型のマイクロ粒子であって、
前記ポリマー主鎖中の繰り返し単位中の主鎖を構成する構造単位が、実質的に-CX1X2-CX3CX4-,-CX1=CX2-,-C≡C-,-CX1-O-CX2-,-CX1-S-CX2-,-CX1-S-S-CX2-,-CX1X2-C(=O)-CX3X4-,-C(=O)-N(X,Y)-,-CX1X2-C(=S)-CX1X2-,-C(=S)-N(X,Y)-,-Si(X,Y)-O-Si(X,Y)-,及び-Si(X,Y)-Si(X,Y)-(式中、X1,X2,X3,及びX4は、同一又は異なって、水素原子、フッ素原子、塩素原子、置換基を有していてもよい酸素原子、鎖状又は環状で置換基を有していてもよい炭素数1~20のアルキル基、置換基を有していてもよい炭素数1~20のアルキレン基、ニトリル基、エステル基、置換基を有していてもよい炭素数1~20の含フッ素アルキル基、置換基を有していてもよい炭素数1~20の含フッ素アルキレン基であり、X及びYは、同一又は異なって、水素原子、置換基を有していてもよく鎖状又は環状で炭素数1~20の、アルキル基、アルキレン基、アリール基、(パー)フルオロアルキル基、又は(パー)フルオロアルキレン基を表す)からなる群より選択される少なくとも1種の構造単位からなる、マイクロ粒子。 - 前記ポリマー主鎖中の繰り返し単位中の主鎖を構成する構造単位が、実質的に-CX1X2-CX3CX4-,-CX1=CX2-,-CX1-O-CX2-,-CX1X2-C(=O)-CX3X4-,-C(=O)-N(X,Y)-,-CX1X2-C(=S)-CX1X2-,-Si(X,Y)-O-Si(X,Y)-,及び-Si(X,Y)-Si(X,Y)-(式中、X1,X2,X3,及びX4は、同一又は異なって、水素原子、フッ素原子、塩素原子、置換基を有していてもよい酸素原子、鎖状又は環状で置換基を有していてもよい炭素数1~20のアルキル基、鎖状又は環状で置換基を有していてもよい炭素数1~20のアルキレン基、ニトリル基、エステル基、置換基を有していてもよい炭素数1~20の含フッ素アルキル基、置換基を有していてもよい炭素数1~20の含フッ素アルキレン基であり、X及びYは、同一又は異なって、水素原子、置換基を有していてもよく鎖状又は環状で炭素数1~20の、アルキル基、アルキレン基、アリール基、(パー)フルオロアルキル基、又は(パー)フルオロアルキレン基を表す)からなる群より選択される少なくとも1種の構造単位からなる、請求項1に記載のマイクロ粒子。
- 酸性条件付与後におけるマイクロ粒子形状の変化率が50%以下である、請求項1~3のいずれか一項に記載のマイクロ粒子。
- アルカリ性条件付与後におけるマイクロ粒子形状の変化率が50%以下である、請求項1~4のいずれか一項に記載のマイクロ粒子。
- 前記ポリマーがシリコーンポリマー又はフッ素含有ポリマーであり、前記ポリマーに含まれるフッ素の含有量が、20重量%以上である請求項1~5のいずれか一項に記載のマイクロ粒子。
- コアのフルオロカーボンのフッ素含有率が10質量%以上である、請求項1~6のいずれか一項に記載のマイクロ粒子。
- コアのフルオロカーボンの沸点が90℃以上である、請求項1~7のいずれか一項に記載のマイクロ粒子。
- コアのフルオロカーボンの酸素の溶解度が30vol/vol%以上である、請求項1~8のいずれか一項に記載のマイクロ粒子。
- 前記フルオロカーボンがパーフルオロアルキル基を含むフルオロカーボン又はフルオロポリエーテル基とパーフルオロアルキル基とを含むフルオロカーボンであり、かつ重量平均分子量が50000以下である、請求項1~9のいずれか一項に記載のマイクロ粒子。
- フルオロポリエーテル基とパーフルオロアルキル基とを含む前記フルオロカーボンの沸点が150℃以上である、請求項10に記載のマイクロ粒子。
- 体積平均粒子径が、500μm以下である、請求項1~11のいずれか一項に記載のマイクロ粒子。
- シェルの厚みが、50nm以上である、請求項1~12のいずれか一項に記載のマイクロ粒子。
- コアが酸素を含む、請求項1~12のいずれか一項に記載のマイクロ粒子。
- シェルの弾性率が、500MPa以下である、請求項1~14のいずれか一項に記載のマイクロ粒子。
- 請求項1~15のいずれか一項に記載のマイクロ粒子と、
有機溶剤と
を含む組成物。 - 請求項1~15のいずれか一項に記載のマイクロ粒子と、
水性媒体と
を含み、前記マイクロ粒子が前記水性媒体中に分散している、マイクロ粒子分散液。 - 酸素運搬液、移植組織保存液、移植臓器保護液、又は培養液である、請求項17に記載のマイクロ粒子分散液。
- 請求項1~15のいずれか一項に記載のマイクロ粒子の製造方法であって、以下の工程(1)及び(2)を含む方法:
(1)ポリマーとフルオロカーボンとを有機溶媒中に分散させた分散層を、均一な細孔を有する多孔質膜を介して、界面活性剤を含む連続相中に、膜乳化させて前記マイクロ粒子を分散質として含むエマルションを得る工程;及び
(2)前記エマルションに含まれる有機溶媒相を除去する工程。 - くぼみを有する請求項1~13のいずれか一項に記載のマイクロ粒子の製造方法であって、以下の工程(1)及び(2)を含む方法:
(1)項1~15のいずれか一項に記載のマイクロ粒子を、水性媒体に分散させた分散液に、アルコールを添加する工程;及び
(2)工程(1)で得られた粒子を溶媒に再懸濁させる工程。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202280018517.6A CN116917029A (zh) | 2021-03-01 | 2022-03-01 | 微颗粒和微颗粒分散液 |
KR1020237033570A KR20230153441A (ko) | 2021-03-01 | 2022-03-01 | 마이크로 입자 및 마이크로 입자 분산액 |
EP22763278.3A EP4302753A1 (en) | 2021-03-01 | 2022-03-01 | Microparticles and microparticle dispersion |
US18/240,635 US20230404065A1 (en) | 2021-03-01 | 2023-08-31 | Microparticles and microparticle dispersion |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021-032109 | 2021-03-01 | ||
JP2021032109 | 2021-03-01 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US18/240,635 Continuation US20230404065A1 (en) | 2021-03-01 | 2023-08-31 | Microparticles and microparticle dispersion |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022186224A1 true WO2022186224A1 (ja) | 2022-09-09 |
Family
ID=83154474
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2022/008668 WO2022186224A1 (ja) | 2021-03-01 | 2022-03-01 | マイクロ粒子及びマイクロ粒子分散液 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20230404065A1 (ja) |
EP (1) | EP4302753A1 (ja) |
JP (2) | JP7221505B2 (ja) |
KR (1) | KR20230153441A (ja) |
CN (1) | CN116917029A (ja) |
TW (1) | TW202302216A (ja) |
WO (1) | WO2022186224A1 (ja) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5734107A (en) | 1980-08-08 | 1982-02-24 | Asahi Glass Co Ltd | Room temperature-curable fluorine-containing copolymer |
JPH06507830A (ja) * | 1991-03-01 | 1994-09-08 | マイクロ ベシキュラ システムズ インコーポレイテッド | 気体運搬用及び酸素運搬用脂質小胞 |
US5374243A (en) * | 1993-07-06 | 1994-12-20 | Alpha Therapeutic Corporation | Oxygen permeable bag containing oxygen-transporting perfluorochemical for providing oxygen internally to mammals |
JPH07216127A (ja) * | 1994-02-02 | 1995-08-15 | Asahi Glass Co Ltd | ポリテトラフルオロエチレン微小中空体およびその製造方法 |
WO2003106516A1 (ja) | 2002-06-14 | 2003-12-24 | ダイキン工業株式会社 | 含フッ素共重合体および塗料用組成物 |
JP2016503100A (ja) * | 2012-12-20 | 2016-02-01 | スリーエム イノベイティブ プロパティズ カンパニー | フルオロポリマーを含む複合粒子及びその製造方法、並びに該複合粒子を含む物品 |
WO2016133206A1 (ja) | 2015-02-20 | 2016-08-25 | ダイキン工業株式会社 | 親水化剤、親水化剤を含む組成物及び高分子多孔質膜 |
-
2022
- 2022-03-01 CN CN202280018517.6A patent/CN116917029A/zh active Pending
- 2022-03-01 WO PCT/JP2022/008668 patent/WO2022186224A1/ja active Application Filing
- 2022-03-01 KR KR1020237033570A patent/KR20230153441A/ko unknown
- 2022-03-01 EP EP22763278.3A patent/EP4302753A1/en active Pending
- 2022-03-01 JP JP2022031192A patent/JP7221505B2/ja active Active
- 2022-03-01 TW TW111107407A patent/TW202302216A/zh unknown
- 2022-12-06 JP JP2022194743A patent/JP2023029971A/ja active Pending
-
2023
- 2023-08-31 US US18/240,635 patent/US20230404065A1/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5734107A (en) | 1980-08-08 | 1982-02-24 | Asahi Glass Co Ltd | Room temperature-curable fluorine-containing copolymer |
JPH06507830A (ja) * | 1991-03-01 | 1994-09-08 | マイクロ ベシキュラ システムズ インコーポレイテッド | 気体運搬用及び酸素運搬用脂質小胞 |
US5374243A (en) * | 1993-07-06 | 1994-12-20 | Alpha Therapeutic Corporation | Oxygen permeable bag containing oxygen-transporting perfluorochemical for providing oxygen internally to mammals |
JPH07216127A (ja) * | 1994-02-02 | 1995-08-15 | Asahi Glass Co Ltd | ポリテトラフルオロエチレン微小中空体およびその製造方法 |
WO2003106516A1 (ja) | 2002-06-14 | 2003-12-24 | ダイキン工業株式会社 | 含フッ素共重合体および塗料用組成物 |
JP2016503100A (ja) * | 2012-12-20 | 2016-02-01 | スリーエム イノベイティブ プロパティズ カンパニー | フルオロポリマーを含む複合粒子及びその製造方法、並びに該複合粒子を含む物品 |
WO2016133206A1 (ja) | 2015-02-20 | 2016-08-25 | ダイキン工業株式会社 | 親水化剤、親水化剤を含む組成物及び高分子多孔質膜 |
Also Published As
Publication number | Publication date |
---|---|
CN116917029A (zh) | 2023-10-20 |
US20230404065A1 (en) | 2023-12-21 |
TW202302216A (zh) | 2023-01-16 |
EP4302753A1 (en) | 2024-01-10 |
JP7221505B2 (ja) | 2023-02-14 |
JP2023029971A (ja) | 2023-03-07 |
JP2022133261A (ja) | 2022-09-13 |
KR20230153441A (ko) | 2023-11-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3760649B1 (en) | Method for manufacturing fluoropolymer | |
JP4488552B2 (ja) | 重合方法 | |
JP2002524628A (ja) | ポリマー | |
CA2248003A1 (en) | Process for manufacture of a porous polymer by use of a porogen | |
ITMI991269A1 (it) | Miscele di dispersioni di fluoropolimeri | |
JP2000508682A (ja) | 高含水量多孔性ポリマー | |
JP2004075978A (ja) | 含フッ素結晶性ポリマー分散体製造方法 | |
JP7231868B2 (ja) | 組成物およびその製造方法 | |
ES2229137T3 (es) | Dispersiones de gran espesor de capa. | |
JP7221505B2 (ja) | マイクロ粒子及びマイクロ粒子分散液 | |
JP2013217008A (ja) | ポリイミド膜 | |
US20060002881A1 (en) | Perfluorocarbon-soluble compounds | |
US20080014423A1 (en) | Fluoropolymer Tape, Article Comprising a Fluoropolymer Tape and Process for Manufacturing a Fluoropolymer Tape | |
JP2012046674A (ja) | コーティング組成物、及びその製造方法 | |
EP3957656A1 (en) | Method for producing fluoropolymer powder | |
US10188999B2 (en) | Process for encapsulating a liquid | |
US20210380741A1 (en) | Dispersible ionomer powder and method of making the same | |
WO2021060303A1 (ja) | マイクロ粒子 | |
CN113423557B (zh) | 组合物、拉伸体及其制造方法 | |
JP3775420B2 (ja) | 低分子量ポリテトラフルオロエチレン造粒粉末、低分子量ポリテトラフルオロエチレン粉末及びこれらの製造方法 | |
Hsu et al. | Diminution of phagocytosed perfluorocarbon emulsions using perfluoroalkylated polyethylene glycol surfactant | |
JP7295507B2 (ja) | フッ素樹脂の製造方法 | |
JP2001300272A (ja) | フッ素系ブロック共重合体により被覆されている中空糸膜及びその製造方法 | |
JP7553859B2 (ja) | 変性ポリテトラフルオロエチレン及び水性分散液 | |
WO2012084749A1 (en) | Thermoprocessable per(halo)fluoropolymer composition |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 22763278 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 202280018517.6 Country of ref document: CN |
|
ENP | Entry into the national phase |
Ref document number: 20237033570 Country of ref document: KR Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2022763278 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2022763278 Country of ref document: EP Effective date: 20231002 |