JP2015043827A - シリンジ用ガスケット - Google Patents
シリンジ用ガスケット Download PDFInfo
- Publication number
- JP2015043827A JP2015043827A JP2013175755A JP2013175755A JP2015043827A JP 2015043827 A JP2015043827 A JP 2015043827A JP 2013175755 A JP2013175755 A JP 2013175755A JP 2013175755 A JP2013175755 A JP 2013175755A JP 2015043827 A JP2015043827 A JP 2015043827A
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- Prior art keywords
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- syringe
- gasket
- monomer
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- Prior art date
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- Granted
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- 229920000642 polymer Polymers 0.000 claims abstract description 54
- -1 etc. Polymers 0.000 claims abstract description 48
- 239000007788 liquid Substances 0.000 claims abstract description 22
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229920005672 polyolefin resin Polymers 0.000 claims abstract description 8
- 239000000178 monomer Substances 0.000 claims description 78
- 238000006116 polymerization reaction Methods 0.000 claims description 38
- 150000001875 compounds Chemical class 0.000 claims description 31
- 239000003999 initiator Substances 0.000 claims description 31
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 29
- 125000003709 fluoroalkyl group Chemical group 0.000 claims description 25
- 239000012965 benzophenone Substances 0.000 claims description 24
- 238000006243 chemical reaction Methods 0.000 claims description 20
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 19
- 239000001257 hydrogen Substances 0.000 claims description 17
- 229910052739 hydrogen Inorganic materials 0.000 claims description 17
- 238000010526 radical polymerization reaction Methods 0.000 claims description 16
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 15
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 14
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 14
- 125000001153 fluoro group Chemical group F* 0.000 claims description 13
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 10
- 239000003112 inhibitor Substances 0.000 claims description 7
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 6
- 229910052783 alkali metal Inorganic materials 0.000 claims description 6
- 229920001038 ethylene copolymer Polymers 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims description 6
- IWDCLRJOBJJRNH-UHFFFAOYSA-N p-cresol Chemical group CC1=CC=C(O)C=C1 IWDCLRJOBJJRNH-UHFFFAOYSA-N 0.000 claims description 6
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 5
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 5
- 230000000379 polymerizing effect Effects 0.000 claims description 5
- XLPJNCYCZORXHG-UHFFFAOYSA-N 1-morpholin-4-ylprop-2-en-1-one Chemical compound C=CC(=O)N1CCOCC1 XLPJNCYCZORXHG-UHFFFAOYSA-N 0.000 claims description 4
- QUKRIOLKOHUUBM-UHFFFAOYSA-N 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecyl prop-2-enoate 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)CCOC(=O)C=C QUKRIOLKOHUUBM-UHFFFAOYSA-N 0.000 claims description 4
- LWLHCZLCSDUDEL-UHFFFAOYSA-O C[N+](C)(C)CC(O)=P(=O)CCOC(=O)C=C Chemical compound C[N+](C)(C)CC(O)=P(=O)CCOC(=O)C=C LWLHCZLCSDUDEL-UHFFFAOYSA-O 0.000 claims description 4
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 claims description 4
- LEAPLXCRUNAADY-UHFFFAOYSA-N [4,4,5,5,6,6,7,7,8,9,9,9-dodecafluoro-2-hydroxy-8-(trifluoromethyl)nonyl] prop-2-enoate Chemical compound C=CC(=O)OCC(O)CC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(C(F)(F)F)C(F)(F)F LEAPLXCRUNAADY-UHFFFAOYSA-N 0.000 claims description 4
- 125000000468 ketone group Chemical group 0.000 claims description 4
- DDQNBJUNTSWDDM-UHFFFAOYSA-N (2,3,5,6-tetrafluorophenyl) 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC1=C(F)C(F)=CC(F)=C1F DDQNBJUNTSWDDM-UHFFFAOYSA-N 0.000 claims description 3
- UXBMPEBBRQPJDL-UHFFFAOYSA-N 3-hydroxy-2-methylprop-2-enamide Chemical compound OC=C(C)C(N)=O UXBMPEBBRQPJDL-UHFFFAOYSA-N 0.000 claims description 3
- PIRPEUWCTMKABH-UHFFFAOYSA-N 4-methoxy-2-methylidenebutanamide Chemical compound COCCC(=C)C(N)=O PIRPEUWCTMKABH-UHFFFAOYSA-N 0.000 claims description 3
- FNOHIDVCKAPYOZ-UHFFFAOYSA-N C(C(=C)C)(=O)OC(C1=C(C(=C(C(=C1F)F)F)F)F)=O Chemical compound C(C(=C)C)(=O)OC(C1=C(C(=C(C(=C1F)F)F)F)F)=O FNOHIDVCKAPYOZ-UHFFFAOYSA-N 0.000 claims description 3
- GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 claims description 3
- UMWCHHTXFDYJDZ-UHFFFAOYSA-N [4,4,5,5,6,7,7,7-octafluoro-2-hydroxy-6-(trifluoromethyl)heptyl] prop-2-enoate Chemical compound C=CC(=O)OCC(O)CC(F)(F)C(F)(F)C(F)(C(F)(F)F)C(F)(F)F UMWCHHTXFDYJDZ-UHFFFAOYSA-N 0.000 claims description 3
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 3
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 claims description 3
- XOJYPYPTLZUHAG-UHFFFAOYSA-N n,n-dimethylpent-2-yn-1-amine Chemical compound CCC#CCN(C)C XOJYPYPTLZUHAG-UHFFFAOYSA-N 0.000 claims description 3
- ULYOZOPEFCQZHH-UHFFFAOYSA-N n-(methoxymethyl)prop-2-enamide Chemical compound COCNC(=O)C=C ULYOZOPEFCQZHH-UHFFFAOYSA-N 0.000 claims description 3
- ZJJPUYQUBOQRGK-UHFFFAOYSA-N prop-2-enoyl 2,3,4,5,6-pentafluorobenzoate Chemical compound FC1=C(C(=O)OC(C=C)=O)C(=C(C(=C1F)F)F)F ZJJPUYQUBOQRGK-UHFFFAOYSA-N 0.000 claims description 3
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 3
- FPBWSPZHCJXUBL-UHFFFAOYSA-N 1-chloro-1-fluoroethene Chemical group FC(Cl)=C FPBWSPZHCJXUBL-UHFFFAOYSA-N 0.000 claims description 2
- CWWYEELVMRNKHZ-UHFFFAOYSA-N 2,3-dimethylbut-2-enamide Chemical compound CC(C)=C(C)C(N)=O CWWYEELVMRNKHZ-UHFFFAOYSA-N 0.000 claims description 2
- FCZRAAJZTGOYIC-UHFFFAOYSA-N 2,4-dimethylpent-2-enamide Chemical compound CC(C)C=C(C)C(N)=O FCZRAAJZTGOYIC-UHFFFAOYSA-N 0.000 claims description 2
- AKVUWTYSNLGBJY-UHFFFAOYSA-N 2-methyl-1-morpholin-4-ylprop-2-en-1-one Chemical compound CC(=C)C(=O)N1CCOCC1 AKVUWTYSNLGBJY-UHFFFAOYSA-N 0.000 claims description 2
- FIAHOPQKBBASOY-UHFFFAOYSA-N 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,12-henicosafluorododecyl prop-2-enoate Chemical group 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)CCOC(=O)C=C FIAHOPQKBBASOY-UHFFFAOYSA-N 0.000 claims description 2
- SDNHWPVAYKOIGU-UHFFFAOYSA-N 3-ethyl-2-methylpent-2-enamide Chemical compound CCC(CC)=C(C)C(N)=O SDNHWPVAYKOIGU-UHFFFAOYSA-N 0.000 claims description 2
- UVRCNEIYXSRHNT-UHFFFAOYSA-N 3-ethylpent-2-enamide Chemical compound CCC(CC)=CC(N)=O UVRCNEIYXSRHNT-UHFFFAOYSA-N 0.000 claims description 2
- WHNPOQXWAMXPTA-UHFFFAOYSA-N 3-methylbut-2-enamide Chemical compound CC(C)=CC(N)=O WHNPOQXWAMXPTA-UHFFFAOYSA-N 0.000 claims description 2
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 claims description 2
- 125000005396 acrylic acid ester group Chemical group 0.000 claims description 2
- WPKYZIPODULRBM-UHFFFAOYSA-N azane;prop-2-enoic acid Chemical compound N.OC(=O)C=C WPKYZIPODULRBM-UHFFFAOYSA-N 0.000 claims description 2
- 125000004175 fluorobenzyl group Chemical group 0.000 claims description 2
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 claims description 2
- 125000005397 methacrylic acid ester group Chemical group 0.000 claims description 2
- QNILTEGFHQSKFF-UHFFFAOYSA-N n-propan-2-ylprop-2-enamide Chemical compound CC(C)NC(=O)C=C QNILTEGFHQSKFF-UHFFFAOYSA-N 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 14
- 229910052731 fluorine Inorganic materials 0.000 abstract description 4
- 229920005989 resin Polymers 0.000 abstract description 4
- 239000011347 resin Substances 0.000 abstract description 4
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 abstract description 3
- 239000011737 fluorine Substances 0.000 abstract description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 22
- 229920001971 elastomer Polymers 0.000 description 20
- 239000005060 rubber Substances 0.000 description 20
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 16
- 239000002585 base Substances 0.000 description 14
- 238000011282 treatment Methods 0.000 description 12
- 229920002725 thermoplastic elastomer Polymers 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 10
- 230000001678 irradiating effect Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 150000002431 hydrogen Chemical class 0.000 description 8
- 238000007789 sealing Methods 0.000 description 8
- YRHRIQCWCFGUEQ-UHFFFAOYSA-N thioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3SC2=C1 YRHRIQCWCFGUEQ-UHFFFAOYSA-N 0.000 description 8
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 7
- 239000007864 aqueous solution Substances 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 7
- 125000004432 carbon atom Chemical group C* 0.000 description 7
- 238000004132 cross linking Methods 0.000 description 7
- 125000002947 alkylene group Chemical group 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical group CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- 125000001424 substituent group Chemical group 0.000 description 5
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 4
- 150000003926 acrylamides Chemical class 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 125000000217 alkyl group Chemical group 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 230000000977 initiatory effect Effects 0.000 description 4
- 125000005010 perfluoroalkyl group Chemical group 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 238000004381 surface treatment Methods 0.000 description 4
- JNELGWHKGNBSMD-UHFFFAOYSA-N xanthone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3OC2=C1 JNELGWHKGNBSMD-UHFFFAOYSA-N 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000002411 adverse Effects 0.000 description 3
- 229960003237 betaine Drugs 0.000 description 3
- 150000001728 carbonyl compounds Chemical class 0.000 description 3
- 229920005556 chlorobutyl Polymers 0.000 description 3
- 239000003431 cross linking reagent Substances 0.000 description 3
- 208000028659 discharge Diseases 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229920005555 halobutyl Polymers 0.000 description 3
- 150000002430 hydrocarbons Chemical group 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
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- NOYRFDHEJYWIHG-UHFFFAOYSA-N 2-methoxythioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC(OC)=CC=C3SC2=C1 NOYRFDHEJYWIHG-UHFFFAOYSA-N 0.000 description 2
- VVBLNCFGVYUYGU-UHFFFAOYSA-N 4,4'-Bis(dimethylamino)benzophenone Chemical compound C1=CC(N(C)C)=CC=C1C(=O)C1=CC=C(N(C)C)C=C1 VVBLNCFGVYUYGU-UHFFFAOYSA-N 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
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- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- VOPWNXZWBYDODV-UHFFFAOYSA-N Chlorodifluoromethane Chemical compound FC(F)Cl VOPWNXZWBYDODV-UHFFFAOYSA-N 0.000 description 2
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- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 2
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- 239000000370 acceptor Substances 0.000 description 2
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- AUZONCFQVSMFAP-UHFFFAOYSA-N disulfiram Chemical compound CCN(CC)C(=S)SSC(=S)N(CC)CC AUZONCFQVSMFAP-UHFFFAOYSA-N 0.000 description 2
- 238000010828 elution Methods 0.000 description 2
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- YLQWCDOCJODRMT-UHFFFAOYSA-N fluoren-9-one Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C2=C1 YLQWCDOCJODRMT-UHFFFAOYSA-N 0.000 description 2
- 125000005843 halogen group Chemical group 0.000 description 2
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- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- HCCPWBWOSASKLG-UHFFFAOYSA-N (2,3,4,5,6-pentafluorophenyl)-phenylmethanone Chemical compound FC1=C(F)C(F)=C(F)C(F)=C1C(=O)C1=CC=CC=C1 HCCPWBWOSASKLG-UHFFFAOYSA-N 0.000 description 1
- VLTYTTRXESKBKI-UHFFFAOYSA-N (2,4-dichlorophenyl)-phenylmethanone Chemical compound ClC1=CC(Cl)=CC=C1C(=O)C1=CC=CC=C1 VLTYTTRXESKBKI-UHFFFAOYSA-N 0.000 description 1
- GEEMGMOJBUUPBY-UHFFFAOYSA-N (4,4,5,5,6,6,7,7,8,8,9,9,9-tridecafluoro-2-hydroxynonyl) prop-2-enoate Chemical compound C=CC(=O)OCC(O)CC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F GEEMGMOJBUUPBY-UHFFFAOYSA-N 0.000 description 1
- PSBDWGZCVUAZQS-UHFFFAOYSA-N (dimethylsulfonio)acetate Chemical compound C[S+](C)CC([O-])=O PSBDWGZCVUAZQS-UHFFFAOYSA-N 0.000 description 1
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- IQHHBXCEQVIZEF-UHFFFAOYSA-N 2,3-diethylthioxanthen-9-one Chemical compound S1C2=CC=CC=C2C(=O)C2=C1C=C(CC)C(CC)=C2 IQHHBXCEQVIZEF-UHFFFAOYSA-N 0.000 description 1
- UGZADCUCQJGKFX-UHFFFAOYSA-N 2,4-bis(ethenyl)thioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC(C=C)=CC(C=C)=C3SC2=C1 UGZADCUCQJGKFX-UHFFFAOYSA-N 0.000 description 1
- UXCIJKOCUAQMKD-UHFFFAOYSA-N 2,4-dichlorothioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC(Cl)=CC(Cl)=C3SC2=C1 UXCIJKOCUAQMKD-UHFFFAOYSA-N 0.000 description 1
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- XOAKHODFHUHKSO-UHFFFAOYSA-N 2,4-diethylthioxanthen-9-one Chemical compound C(C)C1=CC=2C(C3=CC=CC=C3SC2C(=C1)CC)=O.C(C)C1=CC=2C(C3=CC=CC=C3SC2C(=C1)CC)=O XOAKHODFHUHKSO-UHFFFAOYSA-N 0.000 description 1
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- AYCNOIJHAJUAIH-UHFFFAOYSA-N 2-but-1-enyl-4-phenylthioxanthen-9-one Chemical compound C(=CCC)C1=CC=2C(C3=CC=CC=C3SC2C(=C1)C1=CC=CC=C1)=O AYCNOIJHAJUAIH-UHFFFAOYSA-N 0.000 description 1
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- UPZFLZYXYGBAPL-UHFFFAOYSA-N 2-ethyl-2-methyl-1,3-dioxolane Chemical compound CCC1(C)OCCO1 UPZFLZYXYGBAPL-UHFFFAOYSA-N 0.000 description 1
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- KTALPKYXQZGAEG-UHFFFAOYSA-N 2-propan-2-ylthioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC(C(C)C)=CC=C3SC2=C1 KTALPKYXQZGAEG-UHFFFAOYSA-N 0.000 description 1
- NCLVBVXPXLVABY-UHFFFAOYSA-N 4-cyclohexylthioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3SC2=C1C1CCCCC1 NCLVBVXPXLVABY-UHFFFAOYSA-N 0.000 description 1
- SBVKVAIECGDBTC-UHFFFAOYSA-N 4-hydroxy-2-methylidenebutanamide Chemical compound NC(=O)C(=C)CCO SBVKVAIECGDBTC-UHFFFAOYSA-N 0.000 description 1
- IKVYHNPVKUNCJM-UHFFFAOYSA-N 4-propan-2-ylthioxanthen-9-one Chemical compound S1C2=CC=CC=C2C(=O)C2=C1C(C(C)C)=CC=C2 IKVYHNPVKUNCJM-UHFFFAOYSA-N 0.000 description 1
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- NQSMEZJWJJVYOI-UHFFFAOYSA-N Methyl 2-benzoylbenzoate Chemical compound COC(=O)C1=CC=CC=C1C(=O)C1=CC=CC=C1 NQSMEZJWJJVYOI-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
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- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 125000003647 acryloyl group Chemical group O=C([*])C([H])=C([H])[H] 0.000 description 1
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- WWQLXRAKBJVNCC-UHFFFAOYSA-N bis(2,3,4,5,6-pentafluorophenyl)methanone Chemical compound FC1=C(F)C(F)=C(F)C(F)=C1C(=O)C1=C(F)C(F)=C(F)C(F)=C1F WWQLXRAKBJVNCC-UHFFFAOYSA-N 0.000 description 1
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- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
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- 239000004927 clay Substances 0.000 description 1
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- 238000013329 compounding Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
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- 125000006165 cyclic alkyl group Chemical group 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 description 1
- 150000008049 diazo compounds Chemical class 0.000 description 1
- 229920003244 diene elastomer Polymers 0.000 description 1
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 125000001664 diethylamino group Chemical group [H]C([H])([H])C([H])([H])N(*)C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- OMRRUNXAWXNVFW-UHFFFAOYSA-N fluoridochlorine Chemical compound ClF OMRRUNXAWXNVFW-UHFFFAOYSA-N 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical group FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002366 halogen compounds Chemical class 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229960001545 hydrotalcite Drugs 0.000 description 1
- 229910001701 hydrotalcite Inorganic materials 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- 229920003049 isoprene rubber Polymers 0.000 description 1
- 238000013532 laser treatment Methods 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 125000004184 methoxymethyl group Chemical group [H]C([H])([H])OC([H])([H])* 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 150000002898 organic sulfur compounds Chemical class 0.000 description 1
- 125000005702 oxyalkylene group Chemical group 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 229920000306 polymethylpentene Polymers 0.000 description 1
- 239000011116 polymethylpentene Substances 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
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- 150000003839 salts Chemical class 0.000 description 1
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- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229940117986 sulfobetaine Drugs 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
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- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
- A61M5/31513—Piston constructions to improve sealing or sliding
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Polymerisation Methods In General (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Materials For Medical Uses (AREA)
Abstract
Description
前記工程1は、前記摺動部の表面に光重合開始剤を吸着させ、又は更に300〜400nmのLED光を照射し、前記表面上の光重合開始剤から重合開始点を形成させるものであることが好ましい。
前記光重合開始剤は、ベンゾフェノン系化合物及び/又はチオキサントン系化合物であることが好ましい。
前記ラジカル重合時に、光照射時又は照射前に反応容器及び反応液に不活性ガスを導入し、不活性ガス雰囲気に置換して重合させることが好ましい。
前記フルオロ基含有モノマーは、フルオロアルキル基含有モノマーであることが好ましい。
前記フルオロ基含有モノマーは、[1H,1H−perfluoro(2,5−dimethyl−3,6−dioxanonanoyl)]acrylate、[1H,1H−perfluoro(2,5−dimethyl−3,6−dioxanonanoyl)]methacrylate、pentafluorobenzyl acrylate、pentafluorobenzyl methacrylate、及び2,3,5,6−tetrafluorophenyl methacrylateからなる群より選択される少なくとも1種であることが好ましい。
前記モノマーは、2−(メタ)アクリロイルオキシエチルホスホリルコリン、2−(メタ)アクリロイルオキシエチルカルボキシベタイン、及び2−(メタ)アクリロイルオキシエチルスルホベタインからなる群より選択される少なくとも1種であることが好ましい。
前記重合禁止剤が4−メチルフェノールであることが好ましい。
前記ポリマー鎖の長さは、10〜50000nmであることが好ましい。
図1において、基材ガスケット1は、シリンジ内で薬液に接触し、摺動時にシリンジ内壁に接触しない接液部2と、摺動時にシリンジ内壁と接触する摺動部3と、プランジャーロッドが嵌合される嵌合穴4とを有する。
ベンゾフェノン系化合物として、フルオロベンゾフェノン系化合物も好適に使用でき、2,3,4,5,6−ペンタフルオロベンゾフェノン、デカフルオロベンゾフェノンなどが挙げられる。
イソプレンユニットを含むクロロブチルゴム(不飽和度:1〜2%)に架橋剤としてトリアジンを混合した未加硫ゴムシートと厚み100μmの不活性フィルム(PTFEフィルム)とを貼り合わせて、真空プレスで175℃、10分間加硫接着しながら成形し、図1に示す形状の基材ガスケットを得た。得られた基材ガスケットを洗浄し、乾燥させた後、ベンゾフェノンの3wt%アセトン溶液に浸漬して、表面にベンゾフェノンを吸着させ、乾燥させた。
乾燥した基材ガスケットをアクリルアミドの水溶液(1.25M、8.9gのアクリルアミドを100mlの水に溶解)の入ったガラス反応容器に浸漬し、365nmの波長を持つLED−UV光を150分照射してラジカル重合を行って、摺動部表面にポリマー鎖を成長させ、目的のシリンジ用ガスケットを得た。
アクリルアミド水溶液に代えて、アクリルアミド/アクリル酸混合水溶液(1.25M、アクリルアミド:アクリル酸=75:25)を使用し、重合(照射)時間を120分にした以外は、実施例1と同様にして目的のシリンジ用ガスケットを得た。
アクリルアミド水溶液に代えて、3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10−Heptadecafluorodecyl acrylateを使用し、重合(照射)時間を300分にした以外は、実施例1と同様にして目的のシリンジ用ガスケットを得た。
アクリルアミド水溶液に代えて、2−メタクリロイルオキシエチルホスホリルコリン水溶液(2.5M)を使用し、重合(照射)時間を120分にした以外は、実施例1と同様にして目的のシリンジ用ガスケットを得た。
イソプレンユニットを含むクロロブチルゴム(不飽和度:1〜2%)をトリアジンで架橋した加硫ゴムガスケット(175℃で10分加硫)そのものを用いた。
イソプレンユニットを含むクロロブチルゴム(不飽和度:1〜2%)に架橋剤としてトリアジンを混合した未加硫ゴムシートと厚み100μmの不活性フィルム(PTFEフィルム)とを貼り合わせて、真空プレスで175℃、10分間加硫接着しながら成形し、図1に示す形状のシリンジ用ガスケットを得た。
(ポリマー鎖の長さ)
ガスケットの表面に形成されたポリマー鎖の長さは、ポリマー鎖が形成された改質ゴム断面を、SEMを使用し、加速電圧15kV、1000倍で測定した。撮影されたポリマー層の厚みをポリマー鎖の長さとした。
ガスケットの表面の摩擦抵抗力を測定するために、実施例、比較例で作製したシリンジ用ガスケットを注射器のCOP樹脂シリンジにセットし、引張試験機を用いて押し込んでいき、そのときの摩擦抵抗力を測定した(押し込み速度:100mm/min)。比較例1の摩擦抵抗力を100として、下記式を用い、各実施例について摩擦抵抗指数で示した。指数が小さい方が、摩擦抵抗力が低いことを示す。
(摩擦抵抗指数)=各実施例の摩擦抵抗力/比較例1の摩擦抵抗力×100
2 接液部
3 摺動部
4 嵌合穴
5 不活性フィルム
6 切断部
6a 金型成形部
7 環状突起
7a 第一環状突起部
Claims (20)
- 接液部と、摺動部とを備えるシリンジ用ガスケットであって、
前記接液部は、不活性フィルムが積層され、
前記摺動部は、不活性フィルムが積層されておらず、表面にポリマー鎖が形成されているシリンジ用ガスケット。 - 前記不活性フィルムは、テトラフルオロエチレン重合体、テトラフルオロエチレン・エチレン共重合体、変性テトラフルオロエチレン重合体、変性テトラフルオロエチレン・エチレン共重合体、クロロフルオロエチレン重合体からなる群より選択される少なくとも1種のフッ素樹脂、及び/又はオレフィン系樹脂からなるものである請求項1記載のシリンジ用ガスケット。
- 前記ポリマー鎖は、前記摺動部の表面に重合開始点を形成する工程1と、前記重合開始点を起点にしてモノマーをラジカル重合させ、前記摺動部の表面にポリマー鎖を成長させる工程2とを含む形成方法により形成されるものである請求項1又は2記載のシリンジ用ガスケット。
- 前記工程1は、前記摺動部の表面に光重合開始剤を吸着させ、又は更に300〜400nmのLED光を照射し、前記表面上の光重合開始剤から重合開始点を形成させるものである請求項3記載のシリンジ用ガスケット。
- 前記ポリマー鎖は、光重合開始剤の存在下でモノマーをラジカル重合させ、前記摺動部の表面にポリマー鎖を成長させる工程Iを含む形成方法により形成されるものである請求項1又は2記載のシリンジ用ガスケット。
- 前記ラジカル重合は、300〜400nmのLED光を照射する光ラジカル重合である請求項3〜5のいずれかに記載のシリンジ用ガスケット。
- 前記光重合開始剤は、ベンゾフェノン系化合物及び/又はチオキサントン系化合物である請求項4〜6のいずれかに記載のシリンジ用ガスケット。
- 前記ラジカル重合時に、光照射時又は照射前に反応容器及び反応液に不活性ガスを導入し、不活性ガス雰囲気に置換して重合させる請求項3〜7のいずれかに記載のシリンジ用ガスケット。
- 前記モノマーは、アクリル酸、アクリル酸エステル、アクリル酸アルカリ金属塩、アクリル酸アミン塩、メタクリル酸、メタクリル酸エステル、メタクリル酸アルカリ金属塩、メタクリル酸アミン塩、アクリロニトリル、アクリルアミド、メトキシメチルアクリルアミド、ヒドロキシエチルアクリルアミド、ジメチルアクリルアミド、ジエチルアクリルアミド、イソプロピルアクリルアミド、アクリロイルモルホリン、メタクリロニトリル、メタクリルアミド、ジメチルメタクリルアミド、ジエチルメタクリルアミド、イソプロピルメタクリルアミド、ヒドロキシメタクリルアミド、メトキシエチルアクリルアミド、及びメタクリロイルモルホリンからなる群より選択される少なくとも1種である請求項3〜8のいずれかに記載のシリンジ用ガスケット。
- 前記モノマーは、フルオロ基含有モノマーである請求項3〜8のいずれかに記載のシリンジ用ガスケット。
- 前記フルオロ基含有モノマーは、フルオロアルキル基含有モノマーである請求項10記載のシリンジ用ガスケット。
- 前記フルオロアルキル基含有モノマーは、3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,12−heneicosafluorododecyl acrylate(H2C=CHCO2CH2CH2(CF2)9CF3)、3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10−Heptadecafluorodecyl acrylate(H2C=CHCO2CH2CH2(CF2)7CF3)、3−(perfluorobutyl)−2−hydroxypropyl acrylate(F(CF2)4CH2CH(OH)CH2OCOCH=CH2)、3−perfluorohexyl−2−hydroxypropyl acrylate(F(CF2)6CH2CH(OH)CH2OCOCH=CH2)、3−(perfluoro−3−methylbutyl)−2−hydroxypropyl acrylate((CF3)2CF(CF2)2CH2CH(OH)CH2OCOCH=CH2)、及び3−(perfluoro−5−methylhexyl)−2−hydroxypropyl acrylate((CF3)2CF(CF2)4CH2CH(OH)CH2OCOCH=CH2)からなる群より選択される少なくとも1種である請求項11記載のシリンジ用ガスケット。
- 前記フルオロアルキル基含有モノマーは、下記式(3)、(4)、(5)又は(6)で表される化合物である請求項11記載のシリンジ用ガスケット。
- 前記フルオロ基含有モノマーは、フルオロアルキレンオキシド基又はフルオロベンジル基含有モノマーである請求項10記載のシリンジ用ガスケット。
- 前記フルオロ基含有モノマーは、[1H,1H−perfluoro(2,5−dimethyl−3,6−dioxanonanoyl)]acrylate、[1H,1H−perfluoro(2,5−dimethyl−3,6−dioxanonanoyl)]methacrylate、pentafluorobenzyl acrylate、pentafluorobenzyl methacrylate、及び2,3,5,6−tetrafluorophenyl methacrylateからなる群より選択される少なくとも1種である請求項10記載のシリンジ用ガスケット。
- 前記モノマーは、側鎖にカルボキシベタイン基、スルホキシベタイン基又はホスホベタイン基を含む双性イオン性モノマーである請求項3〜8のいずれかに記載のシリンジ用ガスケット。
- 前記モノマーは、2−(メタ)アクリロイルオキシエチルホスホリルコリン、2−(メタ)アクリロイルオキシエチルカルボキシベタイン、及び2−(メタ)アクリロイルオキシエチルスルホベタインからなる群より選択される少なくとも1種である請求項3〜8のいずれかに記載のシリンジ用ガスケット。
- 前記モノマー(液体)又はそれらの溶液が重合禁止剤を含むもので、該重合禁止剤の存在下で重合させる請求項3〜17のいずれかに記載のシリンジ用ガスケット。
- 前記重合禁止剤が4−メチルフェノールである請求項18記載のシリンジ用ガスケット。
- 前記ポリマー鎖の長さは、10〜50000nmである請求項1〜19のいずれかに記載のシリンジ用ガスケット。
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JPS61209667A (ja) * | 1985-03-13 | 1986-09-17 | 株式会社 日本メデイカル・サプライ | 摺動性の優れた注射器 |
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JP2013159667A (ja) * | 2012-02-02 | 2013-08-19 | Sumitomo Rubber Ind Ltd | 表面改質方法及び表面改質弾性体 |
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EP3689952A1 (en) * | 2019-01-30 | 2020-08-05 | Sumitomo Rubber Industries, Ltd. | Syringe gasket |
JP2020120919A (ja) * | 2019-01-30 | 2020-08-13 | 住友ゴム工業株式会社 | シリンジ用ガスケット |
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