WO2011027549A1 - ジエチル亜鉛組成物、熱安定化方法および熱安定化用化合物 - Google Patents
ジエチル亜鉛組成物、熱安定化方法および熱安定化用化合物 Download PDFInfo
- Publication number
- WO2011027549A1 WO2011027549A1 PCT/JP2010/005379 JP2010005379W WO2011027549A1 WO 2011027549 A1 WO2011027549 A1 WO 2011027549A1 JP 2010005379 W JP2010005379 W JP 2010005379W WO 2011027549 A1 WO2011027549 A1 WO 2011027549A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- diethylzinc
- additive
- compound
- carbon atoms
- composition
- Prior art date
Links
- HQWPLXHWEZZGKY-UHFFFAOYSA-N diethylzinc Chemical compound CC[Zn]CC HQWPLXHWEZZGKY-UHFFFAOYSA-N 0.000 title claims abstract description 282
- 239000000203 mixture Substances 0.000 title claims abstract description 181
- 150000001875 compounds Chemical class 0.000 title claims description 85
- 238000000034 method Methods 0.000 title claims description 39
- 230000006641 stabilisation Effects 0.000 title claims description 16
- 238000011105 stabilization Methods 0.000 title claims description 16
- 239000000654 additive Substances 0.000 claims abstract description 148
- 230000000996 additive effect Effects 0.000 claims abstract description 134
- 150000001491 aromatic compounds Chemical class 0.000 claims abstract description 40
- 125000000555 isopropenyl group Chemical group [H]\C([H])=C(\*)C([H])([H])[H] 0.000 claims abstract description 35
- 125000004432 carbon atom Chemical group C* 0.000 claims description 59
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 24
- 230000008018 melting Effects 0.000 claims description 23
- 238000002844 melting Methods 0.000 claims description 23
- 230000000694 effects Effects 0.000 claims description 22
- 125000000217 alkyl group Chemical group 0.000 claims description 18
- 125000003342 alkenyl group Chemical group 0.000 claims description 17
- UFWIBTONFRDIAS-UHFFFAOYSA-N naphthalene-acid Natural products C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims description 16
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 15
- -1 ether compound Chemical class 0.000 claims description 15
- 239000001257 hydrogen Substances 0.000 claims description 14
- 229910052739 hydrogen Inorganic materials 0.000 claims description 14
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 14
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 13
- 229920006395 saturated elastomer Polymers 0.000 claims description 13
- 229930195734 saturated hydrocarbon Natural products 0.000 claims description 13
- 125000003828 azulenyl group Chemical group 0.000 claims description 12
- 230000008014 freezing Effects 0.000 claims description 11
- 238000007710 freezing Methods 0.000 claims description 11
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 10
- CUFNKYGDVFVPHO-UHFFFAOYSA-N azulene Chemical compound C1=CC=CC2=CC=CC2=C1 CUFNKYGDVFVPHO-UHFFFAOYSA-N 0.000 claims description 9
- QIMMUPPBPVKWKM-UHFFFAOYSA-N 2-methylnaphthalene Chemical compound C1=CC=CC2=CC(C)=CC=C21 QIMMUPPBPVKWKM-UHFFFAOYSA-N 0.000 claims description 8
- 125000003250 fulvenyl group Chemical group C1(=CC=CC1=C)* 0.000 claims description 8
- FWKQNCXZGNBPFD-UHFFFAOYSA-N Guaiazulene Chemical compound CC(C)C1=CC=C(C)C2=CC=C(C)C2=C1 FWKQNCXZGNBPFD-UHFFFAOYSA-N 0.000 claims description 7
- 150000002170 ethers Chemical class 0.000 claims description 6
- YYGNTYWPHWGJRM-UHFFFAOYSA-N (6E,10E,14E,18E)-2,6,10,15,19,23-hexamethyltetracosa-2,6,10,14,18,22-hexaene Chemical compound CC(C)=CCCC(C)=CCCC(C)=CCCC=C(C)CCC=C(C)CCC=C(C)C YYGNTYWPHWGJRM-UHFFFAOYSA-N 0.000 claims description 5
- UNEATYXSUBPPKP-UHFFFAOYSA-N 1,3-Diisopropylbenzene Chemical compound CC(C)C1=CC=CC(C(C)C)=C1 UNEATYXSUBPPKP-UHFFFAOYSA-N 0.000 claims description 5
- IBVPVTPPYGGAEL-UHFFFAOYSA-N 1,3-bis(prop-1-en-2-yl)benzene Chemical compound CC(=C)C1=CC=CC(C(C)=C)=C1 IBVPVTPPYGGAEL-UHFFFAOYSA-N 0.000 claims description 5
- QAVDMWIHZMXKFR-BUHFOSPRSA-N 1-[(e)-2-phenylethenyl]naphthalene Chemical compound C=1C=CC2=CC=CC=C2C=1\C=C\C1=CC=CC=C1 QAVDMWIHZMXKFR-BUHFOSPRSA-N 0.000 claims description 5
- LUZDYPLAQQGJEA-UHFFFAOYSA-N 2-Methoxynaphthalene Chemical compound C1=CC=CC2=CC(OC)=CC=C21 LUZDYPLAQQGJEA-UHFFFAOYSA-N 0.000 claims description 5
- BHEOSNUKNHRBNM-UHFFFAOYSA-N Tetramethylsqualene Natural products CC(=C)C(C)CCC(=C)C(C)CCC(C)=CCCC=C(C)CCC(C)C(=C)CCC(C)C(C)=C BHEOSNUKNHRBNM-UHFFFAOYSA-N 0.000 claims description 5
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 claims description 5
- PRAKJMSDJKAYCZ-UHFFFAOYSA-N dodecahydrosqualene Natural products CC(C)CCCC(C)CCCC(C)CCCCC(C)CCCC(C)CCCC(C)C PRAKJMSDJKAYCZ-UHFFFAOYSA-N 0.000 claims description 5
- 150000002430 hydrocarbons Chemical class 0.000 claims description 5
- 229940031439 squalene Drugs 0.000 claims description 5
- TUHBEKDERLKLEC-UHFFFAOYSA-N squalene Natural products CC(=CCCC(=CCCC(=CCCC=C(/C)CCC=C(/C)CC=C(C)C)C)C)C TUHBEKDERLKLEC-UHFFFAOYSA-N 0.000 claims description 5
- NAWXUBYGYWOOIX-SFHVURJKSA-N (2s)-2-[[4-[2-(2,4-diaminoquinazolin-6-yl)ethyl]benzoyl]amino]-4-methylidenepentanedioic acid Chemical compound C1=CC2=NC(N)=NC(N)=C2C=C1CCC1=CC=C(C(=O)N[C@@H](CC(=C)C(O)=O)C(O)=O)C=C1 NAWXUBYGYWOOIX-SFHVURJKSA-N 0.000 claims description 4
- ZENYUPUKNXGVDY-UHFFFAOYSA-N 1,4-bis(prop-1-en-2-yl)benzene Chemical compound CC(=C)C1=CC=C(C(C)=C)C=C1 ZENYUPUKNXGVDY-UHFFFAOYSA-N 0.000 claims description 4
- SPPWGCYEYAMHDT-UHFFFAOYSA-N 1,4-di(propan-2-yl)benzene Chemical compound CC(C)C1=CC=C(C(C)C)C=C1 SPPWGCYEYAMHDT-UHFFFAOYSA-N 0.000 claims description 4
- GWLLTEXUIOFAFE-UHFFFAOYSA-N 2,6-diisopropylnaphthalene Chemical compound C1=C(C(C)C)C=CC2=CC(C(C)C)=CC=C21 GWLLTEXUIOFAFE-UHFFFAOYSA-N 0.000 claims description 4
- MMSLOZQEMPDGPI-UHFFFAOYSA-N p-Mentha-1,3,5,8-tetraene Chemical compound CC(=C)C1=CC=C(C)C=C1 MMSLOZQEMPDGPI-UHFFFAOYSA-N 0.000 claims description 4
- PMPBFICDXLLSRM-UHFFFAOYSA-N 1-propan-2-ylnaphthalene Chemical compound C1=CC=C2C(C(C)C)=CC=CC2=C1 PMPBFICDXLLSRM-UHFFFAOYSA-N 0.000 claims description 3
- ANCUXNXTHQXICN-UHFFFAOYSA-N 2-prop-1-en-2-ylnaphthalene Chemical compound C1=CC=CC2=CC(C(=C)C)=CC=C21 ANCUXNXTHQXICN-UHFFFAOYSA-N 0.000 claims description 3
- TVYVQNHYIHAJTD-UHFFFAOYSA-N 2-propan-2-ylnaphthalene Chemical compound C1=CC=CC2=CC(C(C)C)=CC=C21 TVYVQNHYIHAJTD-UHFFFAOYSA-N 0.000 claims description 3
- WXACXMWYHXOSIX-UHFFFAOYSA-N 5-propan-2-ylidenecyclopenta-1,3-diene Chemical compound CC(C)=C1C=CC=C1 WXACXMWYHXOSIX-UHFFFAOYSA-N 0.000 claims description 3
- 229960002350 guaiazulen Drugs 0.000 claims description 3
- VUMCUSHVMYIRMB-UHFFFAOYSA-N 1,3,5-tri(propan-2-yl)benzene Chemical compound CC(C)C1=CC(C(C)C)=CC(C(C)C)=C1 VUMCUSHVMYIRMB-UHFFFAOYSA-N 0.000 claims description 2
- 229930195735 unsaturated hydrocarbon Natural products 0.000 claims 12
- 230000000087 stabilizing effect Effects 0.000 claims 6
- 125000003118 aryl group Chemical group 0.000 claims 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 abstract description 18
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract description 15
- 239000011701 zinc Substances 0.000 abstract description 15
- 229910052725 zinc Inorganic materials 0.000 abstract description 15
- 239000002244 precipitate Substances 0.000 abstract description 13
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 9
- 239000011787 zinc oxide Substances 0.000 abstract description 9
- 239000002245 particle Substances 0.000 abstract description 8
- 239000002685 polymerization catalyst Substances 0.000 abstract description 8
- 238000003786 synthesis reaction Methods 0.000 abstract description 8
- 239000002994 raw material Substances 0.000 abstract description 6
- 230000007774 longterm Effects 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 38
- 239000010408 film Substances 0.000 description 28
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 26
- 230000020169 heat generation Effects 0.000 description 20
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 18
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 18
- CWRYPZZKDGJXCA-UHFFFAOYSA-N acenaphthene Chemical compound C1=CC(CC2)=C3C2=CC=CC3=C1 CWRYPZZKDGJXCA-UHFFFAOYSA-N 0.000 description 16
- HXGDTGSAIMULJN-UHFFFAOYSA-N acetnaphthylene Natural products C1=CC(C=C2)=C3C2=CC=CC3=C1 HXGDTGSAIMULJN-UHFFFAOYSA-N 0.000 description 16
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 15
- 239000010409 thin film Substances 0.000 description 15
- 125000004054 acenaphthylenyl group Chemical group C1(=CC2=CC=CC3=CC=CC1=C23)* 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 13
- 239000012299 nitrogen atmosphere Substances 0.000 description 12
- 239000007788 liquid Substances 0.000 description 11
- 238000002076 thermal analysis method Methods 0.000 description 11
- 238000013112 stability test Methods 0.000 description 9
- 238000000354 decomposition reaction Methods 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 125000001424 substituent group Chemical group 0.000 description 7
- 239000000543 intermediate Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 238000000197 pyrolysis Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- ZOKCNEIWFQCSCM-UHFFFAOYSA-N (2-methyl-4-phenylpent-4-en-2-yl)benzene Chemical compound C=1C=CC=CC=1C(C)(C)CC(=C)C1=CC=CC=C1 ZOKCNEIWFQCSCM-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000011109 contamination Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 239000012770 industrial material Substances 0.000 description 3
- 239000008204 material by function Substances 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 150000002790 naphthalenes Chemical class 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- 230000001699 photocatalysis Effects 0.000 description 3
- 229920001451 polypropylene glycol Polymers 0.000 description 3
- 125000004368 propenyl group Chemical group C(=CC)* 0.000 description 3
- 238000012827 research and development Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000005979 thermal decomposition reaction Methods 0.000 description 3
- 125000005425 toluyl group Chemical group 0.000 description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000007707 calorimetry Methods 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- HNXRLRRQDUXQEE-ALURDMBKSA-N (2s,3r,4s,5r,6r)-2-[[(2r,3s,4r)-4-hydroxy-2-(hydroxymethyl)-3,4-dihydro-2h-pyran-3-yl]oxy]-6-(hydroxymethyl)oxane-3,4,5-triol Chemical compound O[C@@H]1[C@@H](O)[C@@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](CO)OC=C[C@H]1O HNXRLRRQDUXQEE-ALURDMBKSA-N 0.000 description 1
- CWABICBDFJMISP-UHFFFAOYSA-N 1,3,5-tris(prop-1-en-2-yl)benzene Chemical compound CC(=C)C1=CC(C(C)=C)=CC(C(C)=C)=C1 CWABICBDFJMISP-UHFFFAOYSA-N 0.000 description 1
- VCRUZZCOKOYABX-UHFFFAOYSA-N 1,3-bis(prop-1-en-2-yl)naphthalene Chemical compound C1=CC=CC2=CC(C(=C)C)=CC(C(C)=C)=C21 VCRUZZCOKOYABX-UHFFFAOYSA-N 0.000 description 1
- IVJFXSLMUSQZMC-UHFFFAOYSA-N 1,3-dithiole Chemical compound C1SC=CS1 IVJFXSLMUSQZMC-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- LCJNYCWJKAWZKZ-UHFFFAOYSA-N 1-prop-1-en-2-ylnaphthalene Chemical compound C1=CC=C2C(C(=C)C)=CC=CC2=C1 LCJNYCWJKAWZKZ-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- KFLXZUPIDNPCSD-UHFFFAOYSA-N Lactarazulene Chemical compound CC(=C)C1=CC=C(C)C2=CC=C(C)C2=C1 KFLXZUPIDNPCSD-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- WAIPAZQMEIHHTJ-UHFFFAOYSA-N [Cr].[Co] Chemical compound [Cr].[Co] WAIPAZQMEIHHTJ-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 150000001545 azulenes Chemical class 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000113 differential scanning calorimetry Methods 0.000 description 1
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 description 1
- QNDQILQPPKQROV-UHFFFAOYSA-N dizinc Chemical compound [Zn]=[Zn] QNDQILQPPKQROV-UHFFFAOYSA-N 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910000856 hastalloy Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 150000002927 oxygen compounds Chemical class 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F3/00—Compounds containing elements of Groups 2 or 12 of the Periodic Table
- C07F3/06—Zinc compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C13/00—Cyclic hydrocarbons containing rings other than, or in addition to, six-membered aromatic rings
- C07C13/28—Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof
- C07C13/32—Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof with condensed rings
- C07C13/47—Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof with condensed rings with a bicyclo ring system containing ten carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D205/00—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom
- C07D205/02—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings
- C07D205/06—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D205/08—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams
- C07D205/085—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams with a nitrogen atom directly attached in position 3
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/50—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides selected from alkaline earth metals, zinc, cadmium, mercury, copper or silver
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2410/00—Features related to the catalyst preparation, the catalyst use or to the deactivation of the catalyst
- C08F2410/01—Additive used together with the catalyst, excluding compounds containing Al or B
Definitions
- the present invention relates to a diethylzinc composition excellent in thermal stability, a method for thermal stabilization of a diethylzinc composition, and a compound for thermal stabilization.
- Diethyl zinc is conventionally used as a reaction reagent for organic synthesis in polymerization catalyst applications such as polyethylene oxide and polypropylene oxide, and in the production of intermediates such as pharmaceuticals and functional materials, and is known as an extremely useful industrial material. ing.
- MOCVD Metal Organic Chemical Vapor Deposition
- the zinc oxide thin film obtained by this MOCVD method has various functions in solar cells such as CIGS solar cell buffer layer, transparent conductive film, dye-sensitized solar cell electrode film, thin-film Si solar cell intermediate layer, and transparent conductive film. It is used in various functional films such as films, photocatalytic films, ultraviolet cut films, infrared reflective films, and antistatic films, compound semiconductor light emitting devices, electronic devices such as thin film transistors, etc., and has a wide range of uses.
- Diethyl zinc is known to be gradually decomposed when heat is applied to deposit metal zinc particles (see Non-Patent Document 1, for example). Therefore, handling of diethyl zinc has problems such as a decrease in product purity due to precipitation of metal zinc particles generated by pyrolysis, contamination of storage containers, and blockage of manufacturing equipment piping.
- anthracene, acenaphthene, and acenaphthylene are compounds that are solid at room temperature, and there is a problem that operations such as charging powder are required in the preparation of the diethylzinc composition.
- anthracene, acenaphthene, and acenaphthylene are solid compounds at room temperature of about 25 ° C., which is a general handling temperature, and there is a problem that operations such as powder charging are required in the preparation of a diethylzinc composition. .
- a substance with a high melting point has a low vapor pressure, and in the use of diethyl zinc in CVD film formation etc., vaporization occurs when diethyl zinc is supplied as a saturated gas in the carrier gas by bubbling with the carrier gas. There is a risk of remaining without.
- the additives are transferred using a solid charging machine or the like, but in the case of troubles such as blocking of the additives during the transfer. Therefore, it is necessary to take measures to prevent contamination of diethyl zinc with impurities.
- the compound has a lower melting point. From this point, it is desirable that the diethylzinc additive is a compound having a lower melting point.
- the first invention improves the thermal stability of diethyl zinc used as a raw material for producing a zinc oxide thin film by a polymerization catalyst, an organic synthesis reagent, MOCVD method, etc., and does not precipitate metal zinc particles even when handled for a long time.
- an aromatic compound having an isopropenyl group in the side chain is used as an additive.
- the second invention improves the thermal stability of diethyl zinc used as a raw material for producing a zinc oxide thin film by a polymerization catalyst, an organic synthesis reagent, MOCVD method, etc., and does not precipitate metallic zinc particles even when handled for a long time.
- a liquid compound at a temperature of 25 ° C. that is easy to handle as an additive that is, the melting point or freezing point of the additive is 25 ° C. or less.
- the third invention improves the thermal stability of diethyl zinc used as a raw material for producing a zinc oxide thin film by a polymerization catalyst, an organic synthesis reagent, MOCVD method, etc., and does not precipitate metallic zinc particles even when handled for a long time. It is an object of the present invention to provide a diethylzinc composition and a method for thermal stabilization of diethylzinc that are excellent in reducing the residual problem when using diethylzinc, and the melting point of the additive is the aforementioned known additive. Lower than that of the additive, that is, a compound having a melting point or freezing point of the additive of 85 ° C. or lower.
- 4th invention improves the thermal stability of diethyl zinc used for a raw material for zinc oxide thin film production by a polymerization catalyst, an organic synthesis reagent, MOCVD method, etc.
- a compound having an azulene structure is used as an additive for the purpose of providing a diethylzinc composition having excellent properties.
- the present inventor made a composition in which an aromatic compound having an isopropenyl group in the side chain coexists in diethyl zinc (CAS No. 557-20-0). As a result, it was found that the thermal stability was remarkably improved, and the first invention was completed.
- the diethyl zinc composition according to the first invention of the present application is a diethyl zinc composition obtained by adding an aromatic compound having an isopropenyl group in the side chain as an additive to diethyl zinc.
- the diethyl zinc composition which concerns on 1st invention of this application is a group which consists of an aromatic compound which has the isopropenyl group represented by following General formula (1), General formula (2), General formula (3) in a side chain. 1 or 2 or more compounds selected from.
- each R is independently hydrogen, a linear or branched alkyl group having 1 to 8 carbon atoms, or a linear or branched group having 1 to 8 carbon atoms.
- An alkenyl group (an alkenyl group includes an isopropenyl group) and an allyl group having 6 to 14 carbon atoms.
- R which is a substituent bonded to the side chain of the aromatic compound having the isopropenyl group represented by the above general formula (1), general formula (2), or general formula (3) in the side chain,
- isopropenyl group characterized in the present invention but also a linear or branched alkyl group having 1 to 8 carbon atoms such as hydrogen, methyl group, and isopropyl group, and 1 carbon atom such as vinyl group and propenyl group.
- alkenyl group includes an isopropenyl group characterized in the present invention as described above
- an allyl group having 6 to 14 carbon atoms such as a phenyl group and a toluyl group, etc. It may have a substituent different from the isopropenyl group.
- the number of isopropenyl groups present in the side chain may be one or more than two. For example, in the case of benzene as the aromatic compound, 1,3-diisopropenyl having two isopropenyl groups Benzene and 1,4-diisopropenylbenzene have a high thermal stability effect.
- Examples of the aromatic compound having the above-mentioned isopropenyl group in the side chain include mono-substituted products of isopropenyl groups such as ⁇ -methylstyrene, 4-isopropenyltoluene, 1-isopropenylnaphthalene, 2-isopropenylnaphthalene, and the like.
- ⁇ -methylstyrene, 4-isopropenyltoluene, 1,3-dithiol is an additive that has a simple structure, is easily available industrially, and has a high effect.
- Isopropenylbenzene, 1,4-diisopropenylbenzene, and 2-isopropenylnaphthalene can be preferably used.
- ⁇ -methylstyrene, 4-isopropenyltoluene, and 1,3-diisopropenylbenzene are liquid at a temperature of about 20 ° C., and the diethylzinc composition can be easily adjusted.
- the diethyl zinc composition according to the first invention of the present application is excellent in thermal stability at a low temperature of 180 ° C. or lower from the measured value of ARC measurement (Accelerating Rate Calorimetry) generally used as an accelerated test of thermal stability. It has sex. From the temperature dependency of the measured value of the ARC test, the effect of the thermal stability of the diethylzinc composition is more manifested as the temperature decreases.
- ARC measurement Accelelerating Rate Calorimetry
- a liquid compound at a temperature of 25 ° C. that is, a compound having a melting point or a freezing point of an additive of 25 ° C. or less, is 1) A specific aromatic compound having a side chain, 2) a specific compound having a fulvene skeleton, 3) squalene, and 4) 2,4-diphenyl-4-methyl-1-pentene are converted into diethyl zinc (CAS No. 557-20). It was found that the thermal stability was remarkably improved by using the composition coexisting with -0), and the second invention of the present application was completed.
- the diethylzinc composition according to the second invention of the present application is a compound in which the melting point of the additive is 25 ° C. or less as an additive to diethylzinc, that is, a liquid compound at a temperature of 25 ° C. 2) a specific compound having a fulvene skeleton, 3) squalene, and 4) diethyl to which one or more of 2,4-diphenyl-4-methyl-1-pentene is added It is a zinc composition.
- each R is independently hydrogen, a linear or branched alkyl group having 1 to 8 carbon atoms (alkyl Group includes an isopropyl group), a linear or branched alkenyl group having 1 to 8 carbon atoms, and an allyl group having 6 to 14 carbon atoms.
- R which is a substituent, is not only an isopropyl group characterized in the present invention, but also a linear or branched alkyl group having 1 to 8 carbon atoms such as hydrogen, methyl group, propyl group ( As described above, the alkyl group includes an isopropyl group characterized in the present invention), a linear or branched alkenyl group having 1 to 8 carbon atoms such as a vinyl group or a propenyl group, and a carbon such as a phenyl group or a toluyl group.
- the number of isopropyl groups present in the side chain may be one or a plurality of two or more.
- 1,3-diisopropylbenzene particularly having two or more isopropyl groups 1,4-diisopropylbenzene and 1,3,5-diisopropylbenzene have a high thermal stability effect.
- aromatic compound having an isopropyl group in the side chain examples include, for example, monosubstituted isopropyl groups such as 1-isopropylnaphthalene and 2-isopropylnaphthalene, 1,3-diisopropylbenzene, 1,4-diisopropylbenzene, 1, Examples thereof include compounds having two or more isopropyl groups such as 3,5-triisopropylbenzene.
- 1-isopropylnaphthalene, 2-isopropylnaphthalene, 1,3-diisopropylbenzene are those that have a simple structure and can be easily obtained industrially and have high effects.
- 1,4-diisopropylbenzene and 1,3,5-triisopropylbenzene can be preferably used.
- aromatic compounds having an isopropyl group in the side chain are liquid at a temperature of 25 ° C., and the diethylzinc composition can be easily adjusted.
- examples of the specific compound having the above-mentioned 2) fulvene skeleton include compounds represented by the following general formula (9).
- each R independently represents hydrogen, a linear or branched alkyl group having 1 to 8 carbon atoms, a linear or branched alkenyl group having 1 to 8 carbon atoms, or an allyl group having 6 to 14 carbon atoms. It is a group.
- Dimethylfulvene (CAS No. 2175-91-9) can be preferably used.
- the above-mentioned 3) squalene (CAS No. 111-02-4) and 4) 2,4-diphenyl-4-methyl-1-pentene (CAS No. 5) are used. 6362-80-7) can be used.
- These compounds 3) and 4) are liquid at a temperature of 25 ° C., and the diethylzinc composition can be easily adjusted.
- the present inventors have determined that a naphthalene compound having a melting point or freezing point of 85 ° C. or lower as diethyl zinc (CAS No. .557-20-0) was found to significantly improve the thermal stability, and the third invention of the present application was completed.
- the diethyl zinc composition according to the third invention of the present application is diethyl zinc in which a naphthalene compound having a melting point or freezing point of 85 ° C. or lower is added to diethyl zinc as a compound having a melting point or freezing point of 85 ° C. or lower added as an additive. It is a composition.
- the naphthalene compound is selected from the group consisting of compounds represented by the following general formula (1), general formula (2) and general formula (3). One or more compounds.
- each R is independently hydrogen, a linear or branched alkyl group having 1 to 8 carbon atoms (the alkyl group includes an isopropyl group), A straight-chain or branched alkenyl group having 1 to 8 carbon atoms and an allyl group having 6 to 14 carbon atoms).
- naphthalene compound having a melting point or freezing point of 85 ° C. or lower as described above examples include, for example, naphthalene itself and those having an alkyl group in the side chain as examples of formula (10) and formula (11), for example, 2-methylnaphthalene 2,6-diisopropylnaphthalene, alkenyl groups, etc., those having an allyl group, 1-styrylnaphthalene, etc., examples of formula (3) which are oxygen-containing naphthalene compounds, for example, compounds such as 2-methoxynaphthalene Can be mentioned.
- naphthalene 2-methylnaphthalene, 2,6-diisopropylnaphthalene, and the like, which are simple in structure and can be easily obtained industrially, have high effects.
- 1-styrylnaphthalene and 2-methoxynaphthalene can be preferably used.
- These naphthalene compounds have a melting point of 85 ° C. or lower.
- the diethyl zinc composition according to the fourth invention of the present application is a diethyl zinc composition obtained by adding a compound having an azulene structure as an additive to diethyl zinc.
- the azulene structure is generally widely known as a structure in which a structure composed of carbon having a cyclic structure of 7 carbon atoms and a structure composed of carbon having a cyclic structure of 5 carbon atoms in the following general formula (13) are connected.
- the diethylzinc composition according to the present invention includes the following general formula (14) and a compound having an azulene structure.
- each R independently represents hydrogen, a linear or branched alkyl group having 1 to 8 carbon atoms, a linear or branched alkenyl group having 1 to 8 carbon atoms, or an allyl group having 6 to 14 carbon atoms. It is a group.
- R which is a substituent bonded to the side chain of the compound having an azulene structure represented by the above general formula (14), is independently of 1 to 8 carbon atoms such as hydrogen, methyl group, isopropyl group and the like.
- Linear or branched alkenyl groups having 1 to 8 carbon atoms such as linear or branched alkyl groups, vinyl groups, propenyl groups, isopropenyl groups, etc. (as described above, alkenyl groups include isopropenyls characterized by the present invention)
- substituents such as phenyl groups, toluyl groups, and the like and allyl groups having 6 to 14 carbon atoms.
- the number of substituents present in the side chain may be different from each other, and may be one or two or more.
- Examples of the compound having the above-described azulene structure include various substituted azulene compounds such as azulene, guaiazulene, and lactalazulene.
- azulene (CAS No.275-51-4), guaiazulene (CAS No.489-84-9), and lactal azulene (CAS No.489-85-0) have the structure.
- the additive used in the present invention can provide a sufficient effect when added alone, but a plurality of additives may be used in combination.
- the addition amount of the additives of the first to fourth inventions is not particularly limited as long as the performance of diethyl zinc is maintained and a thermal stabilization effect can be obtained. If it is 100 ppm to 20 wt%, preferably 200 ppm to 10 wt%, more preferably 500 ppm to 5 wt%, a diethylzinc composition having excellent thermal stability can be obtained.
- the added amount of these additives is too small, there may be cases where a sufficient effect of improving the thermal stability may not be obtained, and if it is too large, the effect of increasing the added amount may not be obtained. It is desirable to add an appropriate amount for obtaining a desired effect.
- Diethyl zinc used in the present invention is generally known as an industrial material used as a reaction reagent for organic synthesis in polymerization catalyst applications such as polyethylene oxide and polypropylene oxide, and in the production of intermediates such as pharmaceuticals and functional materials. What is being used can be used.
- a buffer layer of CIGS solar cell a transparent conductive film
- an electrode film of a dye-sensitized solar cell an intermediate layer of a thin film Si solar cell
- Various functional films in solar cells such as transparent conductive films, photocatalytic films, ultraviolet cut films, infrared reflective films, various functional films such as antistatic films, compound semiconductor light emitting devices, electronic devices such as thin film transistors, etc. Diethyl zinc having a purity higher than that of industrial materials can also be used.
- diethylzinc composition of the present application it is only necessary to mix diethylzinc and the additives according to the first to third inventions.
- addition method such as adding the above-mentioned additive to diethylzinc, There is no particular limitation.
- a method of adding an additive to diethyl zinc in advance can be used. Further, for example, when used for a reaction or the like, an additive can be added to diethyl zinc immediately before use.
- the temperature for preparing the diethylzinc composition of the present invention is preferably 70 ° C. or less, which is less affected by the thermal decomposition of diethylzinc.
- the composition of the present invention can be prepared at -20 ° C to 35 ° C.
- the pressure is not particularly limited. Except for special cases such as reaction, diethylzinc and the composition of the present invention can be usually prepared near atmospheric pressure, such as 0.1013 MPa.
- the equipment used in the equipment such as storage / transport containers, storage tanks, pipes, etc. for the diethyl zinc composition of the present invention can be used as it is for diethyl zinc.
- the material of the above-mentioned equipment can be a metal such as SUS, carbon steel, titanium, or Hastelloy, or a resin such as Teflon (registered trademark) or fluorine rubber.
- an inert gas such as nitrogen, helium, or argon can be used in the same manner as diethyl zinc.
- the diethylzinc composition of the present invention can be used by dissolving it in a known solvent that can be used when diethylzinc is used.
- the solvent include, for example, saturated hydrocarbons such as pentane, hexane, heptane and octane, hydrocarbon compounds such as aromatic hydrocarbons such as benzene, toluene and xylene, diethyl ether, diisopropyl ether, tetrahydrofuran, dioxane and diglyme.
- ether compounds such as
- Examples of the use of the diethylzinc composition of the present invention include use as a polymerization catalyst such as polyethylene oxide and polypropylene oxide, use as a reaction reagent for organic synthesis in the production of intermediates such as pharmaceuticals and functional materials, , Used in a method of forming a zinc oxide thin film by MOCVD method, etc., and CIGS solar cell buffer layer, transparent conductive film, dye-sensitized solar cell electrode film, thin film Si solar cell intermediate layer, transparent conductive film, etc.
- Various functional films such as various functional films, photocatalytic films, ultraviolet cut films, infrared reflective films, antistatic films, etc.
- oxide forming applications such as compound semiconductor light emitting devices, electronic devices such as thin film transistors, etc.
- ZnS listed are the same applications where diethyl zinc has been used so far, such as thin film forming applications for II-VI electronic devices. Door can be.
- the diethyl zinc composition to which the additive of the present invention is added is excellent in thermal stability, and there is very little precipitation of metal zinc particles generated by the thermal decomposition of diethyl zinc. As a result, it is possible to prevent problems such as a decrease in product purity, contamination of storage containers, and blockage of manufacturing equipment piping.
- DSC measurement was performed using DSC6200 (manufactured by Seiko Instruments Inc.).
- ARC measurement was performed using ARC2000 (manufactured by ADL (Authur D Little)).
- diethyl zinc (manufactured by Tosoh Finechem Co., Ltd.) and additives such as aromatic compounds having various isopropenyl groups in the side chain (commercial reagents) were weighed in glass containers at a predetermined concentration at room temperature in a nitrogen atmosphere. The additive was dissolved in diethyl zinc to prepare a diethyl zinc composition.
- Addition rate (% by weight) of additive (additive weight / (additive weight + diethyl zinc weight)) ⁇ 100
- the initial exothermic temperature of the sample of the diethylzinc composition to which the aromatic compound having an isopropenyl group in the side chain of the present invention is added is higher than the initial exothermic temperature of the sample of only diethylzinc obtained in the reference example.
- This composition has a higher decomposition onset temperature than the diethylzinc-only sample. From this result, the high thermal stability of the diethyl zinc composition to which the additive was added was confirmed.
- Examples 6 to 20 The thermal analysis measurement was performed in the same manner as in Examples 1 to 5 while changing the addition rate of the additive.
- Table 3 shows the initial heat generation temperature of each sample.
- the initial exothermic temperature of the sample of the diethylzinc composition to which the aromatic compound having an isopropenyl group in the side chain of the present invention is added is only that of diethylzinc obtained in the reference example, even if the addition rate of the additive is changed. Beyond the initial exothermic temperature of the sample, the composition of the present invention has a higher decomposition initiation temperature than the sample of diethyl zinc alone. From the results of Examples 6 to 19, high thermal stability of the diethylzinc composition to which the additive of the present invention was added was confirmed even when the additive addition rate was changed.
- the initial exothermic temperature of the sample of the diethylzinc composition obtained by adding an oxygen compound such as a methoxy group to the side chain R of the aromatic compound is higher than the initial exothermic temperature of the sample of only diethylzinc obtained in the reference example.
- the decomposition start temperature of the composition of the present invention is higher than that of the diethylzinc-only sample. From the results of Example 20, an additive containing oxygen such as a methoxy group in the side chain of the aromatic compound is added. Even in this case, high thermal stability of the diethylzinc composition to which the additive of the present invention was added was confirmed.
- Example 21 to 23 [Thermal stability test by ARC measurement of diethyl zinc composition]
- a diethyl zinc composition to which an aromatic compound having an isopropenyl group in the side chain of the present invention was added was examined in the same manner as in Reference Example 2.
- the initial heat generation temperature of the sample is shown in Examples 21 to 23 in Table 4.
- the initial exothermic temperature of the diethylzinc composition to which the aromatic compound having an isopropenyl group in the side chain of the present invention is added is higher than the initial exothermic temperature of the sample of only diethylzinc, and the diethylzinc composition of the present invention is thermally stable. It was confirmed that the properties were excellent.
- Examples 24 to 50 and Reference Examples 3 to 11 Using the ARC measurement data obtained in Examples 21 to 23 and Reference Example 2, the maximum exothermic rate arrival time (TMR) at each temperature was calculated for diethyl zinc and various diethyl zinc compositions.
- TMR maximum exothermic rate arrival time
- J. E. Using the Huff method, an equation for extrapolating the self-heating rate and TMR to the low temperature side was obtained, and the method for calculating the self-heating rate and TMR obtained after ( ⁇ ) correction at each temperature was used.
- TMR was calculated using an approximate expression obtained from each of the four data of 50 ° C., 60 ° C., 70 ° C., and 80 ° C.
- the TMR value of the diethylzinc composition to which the aromatic compound having an isopropenyl group in the side chain of the present invention was added was compared with that of the diethylzinc composition to which the additive was not added and the TMR value was set to 1. It calculated in each temperature as a relative value with respect to a value. That is, the higher the relative value of TMR of the diethyl zinc composition to which the additive is added, the longer it takes to reach the maximum heat generation rate, and the diethyl zinc composition is more stable against diethyl zinc to which no additive is added. It shows having sex.
- Examples 24-26 and Reference Example 3 The relative value of the maximum heat release rate arrival time (TMR) at 120 ° C. of each diethyl zinc composition when the TMR value of diethyl zinc at 120 ° C. with no additive added is 1 (Reference Example 3). Table 5 shows. From Examples 24 to 26 in Table 5, each diethyl zinc composition has a relative value of maximum exothermic rate arrival time (TMR) greater than 1, and thus diethyl zinc obtained by adding the additive of the present invention. The composition was confirmed to have high thermal stability.
- TMR maximum heat release rate arrival time
- Example 27 to 29 and Reference Example 4 The relative value of the maximum heat generation rate arrival time (TMR) at 100 ° C of each diethylzinc composition when the TMR value of diethylzinc with no additive at 100 ° C is set to 1 (Reference Example 4). Table 6 shows. From Examples 27 to 29 in Table 6, each diethyl zinc composition had a relative value of maximum exothermic rate arrival time (TMR) greater than 1, and thus diethyl zinc obtained by adding the additive of the present invention. The composition was confirmed to have high thermal stability.
- TMR maximum heat generation rate arrival time
- Examples 30 to 32 and Reference Example 5 The relative value of the maximum heat release rate arrival time (TMR) of each diethyl zinc composition at 80 ° C. when the TMR value of diethyl zinc at 80 ° C. with no additive added is 1 (Reference Example 5). It is shown in Table 7. From Examples 30 to 32 in Table 7, each diethyl zinc composition has a relative value of maximum exothermic rate arrival time (TMR) larger than 1, and thus diethyl zinc obtained by adding the additive of the present invention. The composition was confirmed to have high thermal stability.
- TMR maximum heat release rate arrival time
- Example 33 to 35 and Reference Example 6 The relative value of the maximum heat release rate arrival time (TMR) at 60 ° C of each diethylzinc composition when the TMR value of diethylzinc with no additive at 60 ° C is 1 (Reference Example 6). Table 8 shows. From Examples 33 to 35 in Table 8, each diethyl zinc composition had a relative value of maximum exothermic rate arrival time (TMR) greater than 1, and thus diethyl zinc obtained by adding the additive of the present invention. The composition was confirmed to have high thermal stability.
- TMR maximum heat release rate arrival time
- Example 39 to 41 and Reference Example 8 The relative value of the maximum heat release rate arrival time (TMR) at 30 ° C. of each diethyl zinc composition when the TMR value of diethyl zinc at 30 ° C. with no additive added is 1 (Reference Example 8). Table 10 shows. From Examples 39 to 41 in Table 10, each diethyl zinc composition has a relative value of maximum exothermic rate arrival time (TMR) greater than 1, and thus diethyl zinc obtained by adding the additive of the present invention. The composition was confirmed to have high thermal stability.
- TMR maximum heat release rate arrival time
- Example 45 to 47 and Reference Example 10 The relative value of the maximum heat release rate arrival time (TMR) at 20 ° C of each diethylzinc composition when the TMR value of diethylzinc with no additive at 20 ° C is 1 (Reference Example 10). It is shown in Table 12. From Examples 45 to 47 in Table 12, each diethyl zinc composition has a relative value of maximum exothermic rate arrival time (TMR) greater than 1, and thus the diethyl zinc composition obtained by adding the additive of the present invention. The product was confirmed to have high thermal stability.
- TMR maximum heat release rate arrival time
- Example 48 to 50 and Reference Example 11 The relative value of the maximum heat release rate arrival time (TMR) at 10 ° C of each diethylzinc composition when the TMR value of diethylzinc with no additive at 10 ° C is 1 (Reference Example 11). Table 13 shows. From Examples 48 to 50 in Table 13, each of the zinc zinc compositions had a relative value of maximum exothermic rate arrival time (TMR) greater than 1, so that diethyl zinc obtained by adding the additive of the present invention was obtained. The composition was confirmed to have high thermal stability.
- TMR maximum heat release rate arrival time
- the amount of precipitates generated by pyrolysis of the diethylzinc composition to which the additive was added was compared with the amount of precipitates generated by pyrolysis of diethylzinc to which the additive was not added was set to 1. Calculated as a relative amount to the value. That is, the amount of precipitates generated by thermal decomposition of the diethylzinc composition to which the additive is added is smaller than 1 relative to the above-mentioned value, and the diethylzinc composition is less than diethylzinc to which no additive is added. It shows that it has thermal stability.
- Table 14 shows the relative amount of zinc deposited in each sample. From Examples 51 to 52 in Table 14, the amount of precipitate generated by pyrolysis of the diethylzinc composition to which the additive was added is the amount of precipitate generated by pyrolysis of diethylzinc to which no additive was added. Of less than 1/50. From this result, it was confirmed that the diethyl zinc composition obtained by adding the additive of the present invention has high thermal stability over a long period of time.
- Examples 53 to 55 and Comparative Examples 12 to 14 [Examples 53 to 55]
- an aromatic compound having an isopropenyl group in the side chain of the present invention a kind of hydrocarbon different from an additive that further improves the thermal stability of diethyl zinc to diethyl zinc added with 1,3-diisopropenylbenzene
- Samples coexisting with hexane as an aromatic compound and toluene as an aromatic hydrocarbon compound were prepared as shown in Table 15 and subjected to the same thermal analysis measurement as in Examples 1 to 5.
- Table 15 shows the initial heat generation temperature of each sample.
- the aromatic compound having an isopropenyl group in the side chain of the present invention is a different kind of hydrocarbon from the additive that improves the thermal stability of diethylzinc. It is effective as an additive to improve the thermal stability of diethyl zinc even when certain hexane or aromatic hydrocarbon compound toluene coexists, and the high thermal stability of the diethyl zinc composition to which the additive of the present invention is added It was confirmed even when hexane, which is a different kind of hydrocarbon from the additive that improves the thermal stability of diethyl zinc, and toluene, which is an aromatic hydrocarbon compound, coexist.
- the obtained sample was subjected to DSC measurement, and the same thermal analysis measurement as in Reference Example 1 was carried out at a temperature increase rate of 10 ° C./min with a temperature range of 30 to 450 ° C.
- Table 16 shows the initial heat generation temperature of each sample.
- the initial exothermic temperature of the sample of diethyl zinc composition to which various additives of the present invention were added was higher than the initial exothermic temperature of the sample of only diethyl zinc obtained in the reference example, and the composition of the present invention
- the decomposition start temperature is higher than that of the sample alone. From this result, the high thermal stability of the diethyl zinc composition to which the additive was added was confirmed.
- the melting points of these additives of the present invention are all liquid at a temperature of 25 ° C., and the diethylzinc composition can be easily adjusted.
- anthracene and acenaphthene are lower than the initial exothermic temperature of the sample of the diethyl zinc composition to which the additive of the present invention is added, and the composition to which the existing additive is added is more than the composition of the present invention.
- Thermal stability was poor.
- the thermal stability effect is slightly higher than that of the additive of the present invention, but these known compounds have a melting point of 25 ° C. or higher and a general handling temperature such as 25 ° C. In the environment, both are solid, and complicated devices such as a solid charging machine maintaining a nitrogen atmosphere are required for mixing with diethyl zinc, which is ignitable in the air.
- the additive of the present invention is liquid at room temperature, it can be easily added to diethyl zinc by installing a tank and a charging line that can be easily replaced with a nitrogen atmosphere.
- Example 63 For Example 63, the thermal analysis measurement was performed in the same manner as in Examples 56 to 62, except that the additive addition rate was changed. Table 17 shows the initial heat generation temperature of the sample.
- the initial exothermic temperature of the sample of the diethylzinc composition to which the additive of the present invention is added is higher than the initial exothermic temperature of the sample of only diethylzinc obtained in the reference example, even if the addition rate of the additive is changed.
- the composition of the present invention has a higher decomposition initiation temperature than the diethylzinc-only sample. From this result, even when the addition rate of the additive was changed, high thermal stability of the diethylzinc composition to which the additive of the present invention was added was confirmed.
- Example 64 to 68 [Thermal stability test by DSC measurement of diethyl zinc composition]
- naphthalene, 2-methylnaphthalene, 2,6-diisopropylnaphthalene, 1-styrylnaphthalene and 2-methoxynaphthalene are used as naphthalene compounds having a melting point or freezing point of 85 ° C. or lower in a nitrogen atmosphere.
- Each of the added diethylzinc compositions was weighed and sealed in a SUS DSC cell.
- the obtained sample was subjected to DSC measurement, and the same thermal analysis measurement as in Reference Example 1 was carried out at a temperature increase rate of 10 ° C./min with a temperature range of 30 to 450 ° C.
- Table 19 shows the initial heat generation temperature of each sample.
- the initial exothermic temperature of the sample of diethyl zinc composition to which various additives of the present invention were added was higher than the initial exothermic temperature of the sample of only diethyl zinc obtained in the reference example, and the composition of the present invention
- the decomposition start temperature is higher than that of the sample alone. From this result, the high thermal stability of the diethyl zinc composition to which the additive was added was confirmed.
- the melting points of these additives are known as naphthalene: 80 ° C., 2-methylnaphthalene: 31 ° C., 2,6-diisopropylnaphthalene: 70 ° C., 1-styrylnaphthalene: 70 ° C. and 2-methoxynaphthalene: 73 ° C. Lower than the melting point of the additive.
- anthracene and acenaphthene are lower than the initial exothermic temperature of the sample of the diethyl zinc composition to which the additive of the present invention is added, and the composition to which the existing additive is added is more than the composition of the present invention.
- Thermal stability was poor.
- the diethylzinc composition added with acenaphthylene has a slightly higher thermal stability effect than the additive of the present invention.
- the melting points of these known additives are anthracene: 216 ° C., acenaphthene: 93 ° C., acenaphthylene. 90-95 ° C. is higher than the additive of the present invention.
- Example 69 to 70 [Thermal stability test of diethyl zinc composition by DSC measurement]
- a diethylzinc composition to which various compounds having the azulene structure of the present invention were added in a nitrogen atmosphere was weighed and sealed in a SUS DSC cell.
- the obtained sample was subjected to DSC measurement, and the same thermal analysis measurement as in Reference Example 1 was carried out at a temperature increase rate of 10 ° C./min with a temperature range of 30 to 450 ° C.
- Table 20 shows the initial heat generation temperature of each sample.
- the initial exothermic temperature of the sample of the diethylzinc composition to which the compound having an azulene structure of the present invention was added was higher than the initial exothermic temperature of the sample of only diethylzinc obtained in the Reference Example.
- the decomposition start temperature is higher than that of the zinc-only sample. From this result, the high thermal stability of the diethyl zinc composition to which the additive was added was confirmed.
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Abstract
Description
この移送に際するトラブルの際の添加物の除去に際して、ジエチル亜鉛への不純物の汚染がないように対応として、添加物自身を加熱して融解するなどの対応を行う場合には、添加物は、より融点の低い化合物であることが望ましい。
このような点から、ジエチル亜鉛の添加物は、より融点の低い化合物であることが望ましい。
これらの3)および4)の化合物は、25℃の温度において液体であり、ジエチル亜鉛組成物の調整を容易に行なうことが出来る。
これらのナフタレン化合物は、85℃以下の融点である。
また、例えば、反応等に使用する場合、使用の直前にジエチル亜鉛に添加物を添加することも可能である。
DSC測定は、DSC6200(セイコーインスツルメンツ株式会社製)を用いて行なった。
ARC測定は、ARC2000(ADL社製(Authur D Little))を用いて行なった。
ジエチル亜鉛(東ソー・ファインケム株式会社製)と種々のイソプロペニル基を側鎖に有する芳香族化合物などの添加物(市販試薬)とを窒素雰囲気下、室温において所定の濃度でガラス容器に秤量した。添加物をジエチル亜鉛に溶解して、ジエチル亜鉛組成物を調製した。
添加物の添加率(重量%)=(添加物重量/(添加物重量+ジエチル亜鉛重量))×100
[ジエチル亜鉛のDSC測定による熱安定性試験]
窒素雰囲気下、ジエチル亜鉛を、SUS製DSCセルに秤収して密閉した。得られたサンプルについてDSC測定を、30~450℃を測定温度範囲として10℃/分の昇温速度で熱分析測定を行なった。それぞれのサンプルの分解温度は、DSC測定の初期発熱温度で観測される。添加物を添加していないジエチル亜鉛のみのサンプルの初期発熱温度を表1に示す。
[ジエチル亜鉛組成物のDSC測定による熱安定性試験]
参考例1と同様にして、窒素雰囲気下、種々の本発明のイソプロペニル基を側鎖に有する芳香族化合物を添加したジエチル亜鉛組成物を、SUS製DSCセルに秤収して密閉した。得られたサンプルについてDSC測定を、30~450℃を測定温度範囲として10℃/分の昇温速度で参考例1と同様の熱分析測定を行なった。各サンプルの初期発熱温度を表1に示す。
本発明のイソプロペニル基を側鎖に有する芳香族化合物を添加したジエチル亜鉛組成物のサンプルの初期発熱温度は、参考例で得られたジエチル亜鉛のみのサンプルの初期発熱温度よりも高く、本発明の組成物は、ジエチル亜鉛のみのサンプルよりも分解の開始温度が高い。本結果より添加物を添加したジエチル亜鉛組成物の高い熱安定性が確認された。
実施例1~5と同様にして、イソプロペニル基を側鎖に有していない芳香族化合物として、実施例1から5の化合物からイソプロペニル基を水素に置き換えたベンゼン、トルエンを添加したジエチル亜鉛組成物について同様の検討を行った。それぞれのサンプルの初期発熱温度を表1に示す。
比較例1~2の結果より、これらのサンプルは、いずれも本発明のイソプロペニル基を側鎖に有する芳香族化合物を添加したジエチル亜鉛組成物のサンプルの初期発熱温度よりも低く、本発明の組成物よりも熱安定性が劣っていた。この結果より、イソプロペニル基を側鎖に有していることが熱安定性に対して極めて高い効果があることが確認された。
実施例1~5と同様にして、特許文献1~3に記載の化合物であるアントラセン、アセナフテン、アセナフチレンを添加したジエチル亜鉛組成物について同様の検討を行った。それぞれのサンプルの初期発熱温度を表1に示す。
これらのサンプルは、本発明のイソプロペニル基を側鎖に有する芳香族化合物を添加したジエチル亜鉛組成物のサンプルの初期発熱温度よりも低く、既存の添加物の添加した組成物は本発明の組成物よりも熱安定性が劣っていた。
特許文献1~3に記載の化合物であるアントラセン、アセナフテン、アセナフチレンを添加したジエチル亜鉛組成物について添加物の添加率を変えて、実施例1~5と同様の熱分析測定を行なった。各サンプルの初期発熱温度を表2に示す。
これらのサンプルは、本発明のイソプロペニル基を側鎖に有する芳香族化合物を添加したジエチル亜鉛組成物のサンプルの初期発熱温度よりも低く、既存の添加物の添加した組成物は、添加物の添加率が低くなっても、本発明の組成物よりも熱安定性が劣っていることが確認された。
添加物の添加率を変えて、実施例1~5と同様の熱分析測定を行なった。各サンプルの初期発熱温度を表3に示す。
本発明のイソプロペニル基を側鎖に有する芳香族化合物を添加したジエチル亜鉛組成物のサンプルの初期発熱温度は、添加物の添加率を変化させても、参考例で得られたジエチル亜鉛のみのサンプルの初期発熱温度よりも高く、本発明の組成物は、ジエチル亜鉛のみのサンプルよりも分解の開始温度が高い。
実施例6~19の結果より、添加物の添加率を変化させた場合においても、本発明の添加物を添加したジエチル亜鉛組成物の高い熱安定性が確認された。
[ジエチル亜鉛のARC測定による熱安定性試験]
窒素雰囲気下、ジエチル亜鉛をハステロイC製ARCボンベに秤収し、密閉した。得られたサンプルについてARC測定を、測定開始温度50℃、測定終了温度350℃、昇温ステップ温度5℃、待機時間10分、検索検出感度0.02℃/分、データ出力間隔0.2℃、測定最大圧力170bar、窒素雰囲気で行なった。得られたARC測定データにおいて、サンプルの初期発熱温度を表3の参考例2に示す。
[ジエチル亜鉛組成物のARC測定による熱安定性試験]
参考例2と同様にして、本発明のイソプロペニル基を側鎖に有する芳香族化合物を添加したジエチル亜鉛組成物について参考例2と同様の検討を行った。得られたARC測定データにおいて、サンプルの初期発熱温度を表4の実施例21~23に示す。
本発明のイソプロペニル基を側鎖に有する芳香族化合物を添加したジエチル亜鉛組成物の初期発熱温度は、ジエチル亜鉛のみのサンプルの初期発熱温度よりも高く、本発明のジエチル亜鉛組成物は熱安定性が優れていることが確認された。
実施例21~23および参考例2で得られたARC測定データを用いて、各温度における最大発熱速度到達時間(TMR:Time to Maximum Rate)をジエチル亜鉛および種々のジエチル亜鉛組成物について算出した。TMRの算出においては、J.E。Huffの方法を用い、自己発熱速度とTMRを低温側に外挿する場合の式を求め、各温度における(Φ)補正後に得られた自己発熱速度とTMRを算出する方法を用いた。
ARC測定温度の範囲外(50℃未満)の値は、50℃、60℃、70℃、80℃の4点の各データから得られた近似式を用いてTMRを算出した。
120℃における添加物を添加していないジエチル亜鉛のTMRの値を1とした(参考例3)場合の、各ジエチル亜鉛組成物の120℃での最大発熱速度到達時間(TMR)の相対値を表5に示した。
表5の実施例24~26より、各ジエチル亜鉛組成物では最大発熱速度到達時間(TMR)の相対値が1よりも大きいことより、本発明の添加物を添加することによって得られたジエチル亜鉛組成物は高い熱安定性があることが確認された。
100℃における添加物を添加していないジエチル亜鉛のTMRの値を1とした(参考例4)場合の、各ジエチル亜鉛組成物の100℃での最大発熱速度到達時間(TMR)の相対値を表6に示した。
表6の実施例27~29より、各ジエチル亜鉛組成物では最大発熱速度到達時間(TMR)の相対値が1よりも大きいことより、本発明の添加物を添加することによって得られたジエチル亜鉛組成物は高い熱安定性があることが確認された。
80℃における添加物を添加していないジエチル亜鉛のTMRの値を1とした(参考例5)場合の、各ジエチル亜鉛組成物の80℃での最大発熱速度到達時間(TMR)の相対値を表7に示した。
表7の実施例30~32より、各ジエチル亜鉛組成物では最大発熱速度到達時間(TMR)の相対値が1よりも大きいことより、本発明の添加物を添加することによって得られたジエチル亜鉛組成物は高い熱安定性があることが確認された。
60℃における添加物を添加していないジエチル亜鉛のTMRの値を1とした(参考例6)場合の、各ジエチル亜鉛組成物の60℃での最大発熱速度到達時間(TMR)の相対値を表8に示した。
表8の実施例33~35より、各ジエチル亜鉛組成物では最大発熱速度到達時間(TMR)の相対値が1よりも大きいことより、本発明の添加物を添加することによって得られたジエチル亜鉛組成物は高い熱安定性があることが確認された。
40℃における添加物を添加していないジエチル亜鉛のTMRの値を1とした(参考例7)場合の、各ジエチル亜鉛組成物の40℃での最大発熱速度到達時間(TMR)の相対値を表9に示した。
表9の実施例36~38より、各ジエチル亜鉛組成物では最大発熱速度到達時間(TMR)の相対値が1よりも大きいことより、本発明の添加物を添加することによって得られたジエチル亜鉛組成物は高い熱安定があることが確認された。
30℃における添加物を添加していないジエチル亜鉛のTMRの値を1とした(参考例8)場合の、各ジエチル亜鉛組成物の30℃での最大発熱速度到達時間(TMR)の相対値を表10に示した。
表10の実施例39~41より、各ジエチル亜鉛組成物では最大発熱速度到達時間(TMR)の相対値が1よりも大きいことより、本発明の添加物を添加することによって得られたジエチル亜鉛組成物は高い熱安定性があることが確認された。
25℃における添加物を添加していないジエチル亜鉛のTMRの値を1とした(参考例9)場合の、各ジエチル亜鉛組成物の25℃での最大発熱速度到達時間(TMR)の相対値を表11に示した。
表11の実施例42~44より、各ジエチル亜鉛組成物では最大発熱速度到達時間(TMR)の相対値が1よりも大きいことより、本発明の添加物を添加することによって得られたジエチル亜鉛組成物は高い熱安定性があることが確認された。
20℃における添加物を添加していないジエチル亜鉛のTMRの値を1とした(参考例10)場合の、各ジエチル亜鉛組成物の20℃での最大発熱速度到達時間(TMR)の相対値を表12に示した。
表12の実施例45~47より各ジエチル亜鉛組成物では最大発熱速度到達時間(TMR)の相対値が1よりも大きいことより、本発明の添加物を添加することによって得られたジエチル亜鉛組成物は高い熱安定性があることが確認された。
10℃における添加物を添加していないジエチル亜鉛のTMRの値を1とした(参考例11)場合の、各ジエチル亜鉛組成物の10℃での最大発熱速度到達時間(TMR)の相対値を表13に示した。
表13の実施例48~50より、各ジエチル亜鉛組成物では最大発熱速度到達時間(TMR)の相対値が1よりも大きいことより、本発明の添加物を添加することによって得られたジエチル亜鉛組成物は高い熱安定性があることが確認された。
[ジエチル亜鉛組成物の長期熱安定性試験]
ガラス内挿容器を備えた200ml耐圧オートクレーブに、ジエチル亜鉛組成物の調製に記載の方法で調製したサンプルを約40g仕込み、70℃で32日間加熱貯蔵する加速試験を行なった。参考例として添加物を添加していないジエチル亜鉛についても同様のサンプルを200ml耐圧オートクレーブに仕込んで同様の加速試験を行なった(参考例12)。試験終了後、窒素雰囲気下で開封し、各サンプルにおいて生成した析出物の析出状態を目視で確認した。さらに、窒素雰囲気下、ジエチル亜鉛を除去し、析出物をヘキサンで洗浄し、残存する析出物を乾燥した。残存する析出物は、ICP分析より亜鉛金属であることを確認した。析出した亜鉛が回収可能な場合は秤量により、回収不可能なほど微量な場合は、10%硝酸水溶液で容器を洗浄し、硝酸溶液中の亜鉛の絶対量を定量した。
[実施例53~55]
本発明のイソプロペニル基を側鎖に有する芳香族化合物として、1、3-ジイソプロペニルベンゼンを添加したジエチル亜鉛に、さらにジエチル亜鉛の熱安定性を向上させる添加物とは異なる種類の炭化水素であるヘキサンや、芳香族炭化水素化合物であるトルエンが共存させたサンプルを、それぞれ表15のように調整して、実施例1~5と同様の熱分析測定を行なった。各サンプルの初期発熱温度を表15に合わせて示す。
実施例53~55において、本発明の1、3-ジイソプロペニルベンゼンを添加していないこと以外は、実施例53~55と同様のサンプルを表15のように調整し、実施例1~5と同様の熱分析測定を行なった。各サンプルの初期発熱温度を表15に合わせて示す。
[ジエチル亜鉛組成物のDSC測定による熱安定性試験]
前記した参考例1と同様にして、窒素雰囲気下、25℃の温度において液体状の化合物として、1)イソプロピル基を側鎖に有する特定の芳香族化合物、2)フルベン骨格を有する特定の化合物、3)スクアレン、および4)2,4-ジフェニル-4-メチル-1-ペンテンをそれぞれ添加したジエチル亜鉛組成物を、SUS製DSCセルに秤収して密閉した。得られたサンプルについてDSC測定を、30~450℃を測定温度範囲として10℃/分の昇温速度で参考例1と同様の熱分析測定を行なった。各サンプルの初期発熱温度を表16に示す。
また、これらの本発明の添加物の融点はいずれも25℃の温度において液体であり、ジエチル亜鉛組成物の調整を容易に行なうことが出来る。
実施例56~62と同様にして、本発明のイソプロピル基を側鎖に有していない芳香族化合物として、実施例56から62の化合物からイソプロピル基を水素に置き換えたベンゼン、トルエンを添加したジエチル亜鉛組成物について同様の検討を行った。それぞれのサンプルの初期発熱温度を表16に示す。
実施例56~62と同様にして、特許文献1~3に記載の化合物であるアントラセン、アセナフテン、アセナフチレンを添加したジエチル亜鉛組成物について同様の検討を行った。それぞれのサンプルの初期発熱温度を表16に示す。
実施例63について、添加物の添加率を変えて、実施例56~62と同様の熱分析測定を行なった。サンプルの初期発熱温度を表17に示す。
本結果より、添加物の添加率を変化させた場合においても、本発明の添加物を添加したジエチル亜鉛組成物の高い熱安定性が確認された。
特許文献1~3に記載の化合物であるアントラセン、アセナフテン、アセナフチレンを添加したジエチル亜鉛組成物について、添加物の添加率を変えて、実施例56~60と同様の熱分析測定を行なった。各サンプルの初期発熱温度を表18に示す。既存の添加物を添加した組成物は、添加物の添加率が低くなると、本発明の組成物よりも熱安定性が劣っていた。
[ジエチル亜鉛組成物のDSC測定による熱安定性試験]
前記参考例1と同様にして、窒素雰囲気下、融点または凝固点が85℃以下であるナフタレン化合物として、ナフタレン、2-メチルナフタレン、2,6-ジイソプロピルナフタレン、1-スチリルナフタレンおよび2―メトキシナフタレンをそれぞれ添加したジエチル亜鉛組成物を、SUS製DSCセルに秤収して密閉した。得られたサンプルについてDSC測定を、30~450℃を測定温度範囲として10℃/分の昇温速度で参考例1と同様の熱分析測定を行なった。各サンプルの初期発熱温度を表19に示す。
実施例64~68と同様にして、特許文献1~3に記載の化合物であるアントラセン、アセナフテン、アセナフチレンを添加したジエチル亜鉛組成物について同様の検討を行った。それぞれのサンプルの初期発熱温度を表19に示す。
[ジエチル亜鉛組成物のDSC測定による熱安定性試験]
参考例1と同様にして、窒素雰囲気下、種々の本発明のアズレン構造を有する化合物を添加したジエチル亜鉛組成物を、SUS製DSCセルに秤収して密閉した。得られたサンプルについてDSC測定を、30~450℃を測定温度範囲として10℃/分の昇温速度で参考例1と同様の熱分析測定を行なった。各サンプルの初期発熱温度を表20に示す。
本発明のアズレン構造を有する化合物を添加したジエチル亜鉛組成物のサンプルの初期発熱温度は、参考例で得られたジエチル亜鉛のみのサンプルの初期発熱温度よりも高く、本発明の組成物は、ジエチル亜鉛のみのサンプルよりも分解の開始温度が高い。本結果より添加物を添加したジエチル亜鉛組成物の高い熱安定性が確認された。
実施例69~70と同様にして、特許文献1~3に記載の化合物であるアントラセン、アセナフテン、アセナフチレンを添加したジエチル亜鉛組成物について同様の検討を行った。それぞれのサンプルの初期発熱温度を表20に示す。
これらのサンプルは、本発明のアズレン構造を有する化合物を添加したジエチル亜鉛組成物のサンプルの初期発熱温度よりも低く、既存の添加物の添加した組成物は本発明の組成物よりも熱安定性が劣っていた。
Claims (36)
- ジエチル亜鉛に添加物としてイソプロペニル基を側鎖に有する芳香族化合物が添加されたジエチル亜鉛組成物。
- 添加物が、α―メチルスチレン、4-イソプロペニルトルエン、1,3-ジイソプロペニルベンゼン、1、4―ジイソプロペニルベンゼンおよび2-イソプロペニルナフタレンからなる群より選ばれる1つまたは2以上の化合物である、請求項1または請求項2に記載のジエチル亜鉛組成物。
- ジエチル亜鉛への添加物の添加率が100ppm~20wt%である、請求項1~請求項3のいずれかに記載のジエチル亜鉛組成物。
- ジエチル亜鉛の熱安定性を向上させる方法とて、添加物として請求項1~3のいずれかに記載の化合物を用い、請求項4の添加率で添加することを特徴とする、ジエチル亜鉛の熱安定化の方法。
- ジエチル亜鉛の熱安定性を向上させる添加物として、請求項1~3のいずれかに記載の構造を有することを特徴とする化合物。
- 請求項1~4のいずれかに記載のジエチル亜鉛組成物において、ジエチル亜鉛組成物を構成する添加物とは異なる種類の炭素数5~25の飽和及び/または不飽和炭化水素及び炭素数6~30の芳香族炭化水素化合物あるいはエーテル系化合物が共存する、請求項1~4のいずれかに記載のジエチル亜鉛組成物。
- 請求項5記載のジエチル亜鉛の安定化方法において、ジエチル亜鉛に熱安定性に効果のある添加物とは異なる種類の炭素数5~25の飽和及び/または不飽和炭化水素及び炭素数6~30の芳香族炭化水素化合物あるいはエーテル系化合物がジエチル亜鉛に共存する、請求項5記載のジエチル亜鉛の熱安定化の方法。
- 請求項6記載のジエチル亜鉛において、ジエチル亜鉛の熱安定性を向上させる添加物とは異なる種類の炭素数5~25の飽和及び/または不飽和炭化水素及び炭素数6~30の芳香族炭化水素化合物あるいはエーテル系化合物が共存する場合におけるジエチル亜鉛の熱安定性を向上させる添加物として、請求項6記載の構造を有することを特徴とする化合物。
- ジエチル亜鉛に添加物として、融点または凝固点が25℃以下である、1)イソプロピル基を側鎖に有する特定の芳香族化合物、2)フルベン骨格を有する特定の化合物、3)スクアレン、および4)2,4-ジフェニル-4-メチル-1-ペンテンのうちの1または2以上が添加されたジエチル亜鉛組成物。
- 前記1)イソプロピル基を側鎖に有する特定の芳香族化合物として、下記一般式(4)、一般式(5)、一般式(6)、一般式(7)および一般式(8)で表される化合物からなる群より選ばれる1つまたは2以上の化合物であり、また前記2)フルベン骨格を有する特定の化合物として、下記一般式(9)で表される化合物である、請求項10記載のジエチル亜鉛組成物。
- 前記添加物が、1-イソプロピルナフタレン、2-イソプロピルナフタレン、1,3-ジイソプロピルベンゼン、1,4―ジイソプロピルベンゼン、1,3,5-トリイソプロピルベンゼンおよび6,6-ジメチルフルベンからなる群より選ばれる1つまたは2以上の化合物である、請求項10または請求項11に記載のジエチル亜鉛組成物。
- 前記添加物の添加率が100ppm~20wt%である、請求項10~請求項12のいずれかに記載のジエチル亜鉛組成物。
- ジエチル亜鉛の熱安定性を向上させる方法として請求項10~12のいずれかに記載の化合物を100ppm~20wt%の割合で添加する、ジエチル亜鉛の熱安定化方法。
- ジエチル亜鉛の熱安定性を向上させる添加物として、請求項10~12のいずれかに記載の構造を有する化合物。
- 請求項10~14のいずれかに記載のジエチル亜鉛組成物において、ジエチル亜鉛組成物を構成する添加物とは異なる種類の炭素数5~25の飽和及び/または不飽和炭化水素及び炭素数6~30の芳香族炭化水素化合物あるいはエーテル系化合物が共存するジエチル亜鉛組成物。
- 請求項14記載のジエチル亜鉛の安定化方法において、ジエチル亜鉛に熱安定性に効果のある添加物とは異なる種類の炭素数5~25の飽和及び/または不飽和炭化水素及び炭素数6~30の芳香族炭化水素化合物あるいはエーテル系化合物がジエチル亜鉛に共存するジエチル亜鉛の熱安定化の方法。
- ジエチル亜鉛の熱安定性を向上させる添加物とは異なる種類の炭素数5~25の飽和及び/または不飽和炭化水素及び炭素数6~30の芳香族炭化水素化合物あるいはエーテル系化合物が共存する場合におけるジエチル亜鉛の熱安定性を向上させる添加物として、請求項15記載の構造を有する、化合物。
- ジエチル亜鉛に添加物として、融点または凝固点が85℃以下であるナフタレン化合物が添加されたジエチル亜鉛組成物。
- 請求項19または請求項20に記載のジエチル亜鉛組成物において、前記添加物が、ナフタレン、2-メチルナフタレン、2,6-ジイソプロピルナフタレン、1-スチリルナフタレンおよび2―メトキシナフタレンからなる群より選ばれる1つまたは2以上の化合物であることを特徴とするジエチル亜鉛組成物。
- ジエチル亜鉛への添加物の添加率が100ppm~20wt%である、請求項19~請求項21のいずれかに記載のジエチル亜鉛組成物。
- 請求項19~22のいずれかに記載のジエチル亜鉛組成物において、前記ジエチル亜鉛組成物を構成する添加物とは異なる種類の炭素数5~25の飽和及び/または不飽和炭化水素及び炭素数6~30の芳香族炭化水素化合物あるいはエーテル系化合物が共存することを特徴とするジエチル亜鉛組成物。
- ジエチル亜鉛の熱安定性を向上させる方法であって、添加物として請求項19~21のいずれかに記載の化合物を用い、請求項22に記載した添加率で添加することを特徴とするジエチル亜鉛の熱安定化方法。
- 請求項24記載のジエチル亜鉛の安定化方法において、前記ジエチル亜鉛組成物を構成する添加物とは異なる種類の炭素数5~25の飽和及び/または不飽和炭化水素及び炭素数6~30の芳香族炭化水素化合物あるいはエーテル系化合物をジエチル亜鉛に共存させることを特徴とするジエチル亜鉛の熱安定化方法。
- ジエチル亜鉛の熱安定性を向上させるために添加する化合物であって、請求項19~21のいずれかに記載の構造を有することを特徴とする熱安定化用化合物。
- 請求項26記載の熱安定化用化合物において、前記ジエチル亜鉛組成物を構成する添加物とは異なる種類の炭素数5~25の飽和及び/または不飽和炭化水素及び炭素数6~30の芳香族炭化水素化合物あるいはエーテル系化合物が共存することを特徴とする熱安定化用化合物。
- 添加物が、アズレン、グアイアズレンおよびラクタルアズレンからなる群より選ばれる1つまたは2以上の化合物である、請求項28または請求項29に記載のジエチル亜鉛組成物。
- ジエチル亜鉛への添加物の添加率が100ppm~20wt%である、請求項28~請求項30のいずれかに記載のジエチル亜鉛組成物。
- ジエチル亜鉛の熱安定性を向上させる方法とて、添加物として請求項28~30記載のいずれかに記載の化合物を用い、請求項31の添加率で添加することを特徴とする、ジエチル亜鉛の熱安定化の方法。
- ジエチル亜鉛の熱安定性を向上させる添加物として、請求項28~30記載のいずれかに記載の構造を有することを特徴とする化合物。
- 請求項28~31記載のいずれかに記載のジエチル亜鉛組成物において、ジエチル亜鉛組成物を構成する添加物とは異なる種類の炭素数5~25の飽和及び/または不飽和炭化水素及び炭素数6~30の芳香族炭化水素化合物あるいはエーテル系化合物が共存する、請求項28~31記載のジエチル亜鉛組成物。
- 請求項32記載のジエチル亜鉛の安定化方法において、ジエチル亜鉛に熱安定性に効果のある添加物とは異なる種類の炭素数5~25の飽和及び/または不飽和炭化水素及び炭素数6~30の芳香族炭化水素化合物あるいはエーテル系化合物がジエチル亜鉛に共存する、請求項32記載のジエチル亜鉛の熱安定化の方法。
- 請求項33記載のジエチル亜鉛において、ジエチル亜鉛の熱安定性を向上させる添加物とは異なる種類の炭素数5~25の飽和及び/または不飽和炭化水素及び炭素数6~30の芳香族炭化水素化合物あるいはエーテル系化合物が共存する場合におけるジエチル亜鉛の熱安定性を向上させる添加物として、請求項33記載の構造を有することを特徴とする化合物。
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