JP5650786B2 - 疎水性シリカの調製方法 - Google Patents
疎水性シリカの調製方法 Download PDFInfo
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- JP5650786B2 JP5650786B2 JP2013083250A JP2013083250A JP5650786B2 JP 5650786 B2 JP5650786 B2 JP 5650786B2 JP 2013083250 A JP2013083250 A JP 2013083250A JP 2013083250 A JP2013083250 A JP 2013083250A JP 5650786 B2 JP5650786 B2 JP 5650786B2
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- reaction mixture
- silica
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- silica particles
- aqueous dispersion
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims description 303
- 239000000377 silicon dioxide Substances 0.000 title claims description 91
- 230000002209 hydrophobic effect Effects 0.000 title claims description 65
- 238000000034 method Methods 0.000 title claims description 44
- 239000006185 dispersion Substances 0.000 claims description 109
- 239000011541 reaction mixture Substances 0.000 claims description 100
- 150000001875 compounds Chemical class 0.000 claims description 66
- 230000002378 acidificating effect Effects 0.000 claims description 54
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 50
- 239000002245 particle Substances 0.000 claims description 38
- 239000000203 mixture Substances 0.000 claims description 30
- 150000001412 amines Chemical class 0.000 claims description 27
- 239000003960 organic solvent Substances 0.000 claims description 27
- 239000000126 substance Substances 0.000 claims description 26
- -1 alkali metal cation Chemical class 0.000 claims description 25
- 229910021529 ammonia Inorganic materials 0.000 claims description 25
- 238000005384 cross polarization magic-angle spinning Methods 0.000 claims description 18
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 claims description 18
- 238000001035 drying Methods 0.000 claims description 17
- 229910052783 alkali metal Inorganic materials 0.000 claims description 12
- FFUAGWLWBBFQJT-UHFFFAOYSA-N hexamethyldisilazane Chemical compound C[Si](C)(C)N[Si](C)(C)C FFUAGWLWBBFQJT-UHFFFAOYSA-N 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 125000004122 cyclic group Chemical group 0.000 claims description 6
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 3
- 239000003456 ion exchange resin Substances 0.000 claims description 3
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 18
- 229910052710 silicon Inorganic materials 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 13
- 229910052799 carbon Inorganic materials 0.000 description 12
- 150000003754 zirconium Chemical class 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 8
- MSRJTTSHWYDFIU-UHFFFAOYSA-N octyltriethoxysilane Chemical compound CCCCCCCC[Si](OCC)(OCC)OCC MSRJTTSHWYDFIU-UHFFFAOYSA-N 0.000 description 7
- 229960003493 octyltriethoxysilane Drugs 0.000 description 7
- 229910052910 alkali metal silicate Inorganic materials 0.000 description 6
- 125000000217 alkyl group Chemical group 0.000 description 6
- 239000003153 chemical reaction reagent Substances 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- 230000035484 reaction time Effects 0.000 description 6
- 239000000460 chlorine Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 238000004381 surface treatment Methods 0.000 description 5
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 4
- 239000012298 atmosphere Substances 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 125000004430 oxygen atom Chemical group O* 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 229910000077 silane Inorganic materials 0.000 description 4
- CZDYPVPMEAXLPK-UHFFFAOYSA-N tetramethylsilane Chemical compound C[Si](C)(C)C CZDYPVPMEAXLPK-UHFFFAOYSA-N 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 239000003570 air Substances 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 125000004429 atom Chemical group 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 125000000524 functional group Chemical group 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000013558 reference substance Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000001694 spray drying Methods 0.000 description 3
- BHTZPJXABISXPB-UHFFFAOYSA-N 4-triethoxysilylbutan-2-amine Chemical compound CCO[Si](OCC)(OCC)CCC(C)N BHTZPJXABISXPB-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 125000003342 alkenyl group Chemical group 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 125000005021 aminoalkenyl group Chemical group 0.000 description 2
- 125000004103 aminoalkyl group Chemical group 0.000 description 2
- 239000000908 ammonium hydroxide Substances 0.000 description 2
- 239000012736 aqueous medium Substances 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 125000004104 aryloxy group Chemical group 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052794 bromium Inorganic materials 0.000 description 2
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 description 2
- XGZGKDQVCBHSGI-UHFFFAOYSA-N butyl(triethoxy)silane Chemical compound CCCC[Si](OCC)(OCC)OCC XGZGKDQVCBHSGI-UHFFFAOYSA-N 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 150000001721 carbon Chemical group 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001246 colloidal dispersion Methods 0.000 description 2
- 239000008119 colloidal silica Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 125000000753 cycloalkyl group Chemical group 0.000 description 2
- BAAAEEDPKUHLID-UHFFFAOYSA-N decyl(triethoxy)silane Chemical compound CCCCCCCCCC[Si](OCC)(OCC)OCC BAAAEEDPKUHLID-UHFFFAOYSA-N 0.000 description 2
- KQAHMVLQCSALSX-UHFFFAOYSA-N decyl(trimethoxy)silane Chemical compound CCCCCCCCCC[Si](OC)(OC)OC KQAHMVLQCSALSX-UHFFFAOYSA-N 0.000 description 2
- YGUFXEJWPRRAEK-UHFFFAOYSA-N dodecyl(triethoxy)silane Chemical compound CCCCCCCCCCCC[Si](OCC)(OCC)OCC YGUFXEJWPRRAEK-UHFFFAOYSA-N 0.000 description 2
- SCPWMSBAGXEGPW-UHFFFAOYSA-N dodecyl(trimethoxy)silane Chemical compound CCCCCCCCCCCC[Si](OC)(OC)OC SCPWMSBAGXEGPW-UHFFFAOYSA-N 0.000 description 2
- 238000002296 dynamic light scattering Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- VRINOTYEGADLMW-UHFFFAOYSA-N heptyl(trimethoxy)silane Chemical compound CCCCCCC[Si](OC)(OC)OC VRINOTYEGADLMW-UHFFFAOYSA-N 0.000 description 2
- CZWLNMOIEMTDJY-UHFFFAOYSA-N hexyl(trimethoxy)silane Chemical compound CCCCCC[Si](OC)(OC)OC CZWLNMOIEMTDJY-UHFFFAOYSA-N 0.000 description 2
- 230000036571 hydration Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- BFXIKLCIZHOAAZ-UHFFFAOYSA-N methyltrimethoxysilane Chemical compound CO[Si](C)(OC)OC BFXIKLCIZHOAAZ-UHFFFAOYSA-N 0.000 description 2
- 150000007522 mineralic acids Chemical class 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- SLYCYWCVSGPDFR-UHFFFAOYSA-N octadecyltrimethoxysilane Chemical compound CCCCCCCCCCCCCCCCCC[Si](OC)(OC)OC SLYCYWCVSGPDFR-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 125000005372 silanol group Chemical group 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- DENFJSAFJTVPJR-UHFFFAOYSA-N triethoxy(ethyl)silane Chemical compound CCO[Si](CC)(OCC)OCC DENFJSAFJTVPJR-UHFFFAOYSA-N 0.000 description 2
- SAWDTKLQESXBDN-UHFFFAOYSA-N triethoxy(heptyl)silane Chemical compound CCCCCCC[Si](OCC)(OCC)OCC SAWDTKLQESXBDN-UHFFFAOYSA-N 0.000 description 2
- WUMSTCDLAYQDNO-UHFFFAOYSA-N triethoxy(hexyl)silane Chemical compound CCCCCC[Si](OCC)(OCC)OCC WUMSTCDLAYQDNO-UHFFFAOYSA-N 0.000 description 2
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 description 2
- FZXOVEZAKDRQJC-UHFFFAOYSA-N triethoxy(nonyl)silane Chemical compound CCCCCCCCC[Si](OCC)(OCC)OCC FZXOVEZAKDRQJC-UHFFFAOYSA-N 0.000 description 2
- FHVAUDREWWXPRW-UHFFFAOYSA-N triethoxy(pentyl)silane Chemical compound CCCCC[Si](OCC)(OCC)OCC FHVAUDREWWXPRW-UHFFFAOYSA-N 0.000 description 2
- NBXZNTLFQLUFES-UHFFFAOYSA-N triethoxy(propyl)silane Chemical compound CCC[Si](OCC)(OCC)OCC NBXZNTLFQLUFES-UHFFFAOYSA-N 0.000 description 2
- SVKDNKCAGJVMMY-UHFFFAOYSA-N triethoxy(tetradecyl)silane Chemical compound CCCCCCCCCCCCCC[Si](OCC)(OCC)OCC SVKDNKCAGJVMMY-UHFFFAOYSA-N 0.000 description 2
- BBWMWJONYVGXGQ-UHFFFAOYSA-N triethoxy(undecyl)silane Chemical compound CCCCCCCCCCC[Si](OCC)(OCC)OCC BBWMWJONYVGXGQ-UHFFFAOYSA-N 0.000 description 2
- NMEPHPOFYLLFTK-UHFFFAOYSA-N trimethoxy(octyl)silane Chemical compound CCCCCCCC[Si](OC)(OC)OC NMEPHPOFYLLFTK-UHFFFAOYSA-N 0.000 description 2
- LIJFLHYUSJKHKV-UHFFFAOYSA-N trimethoxy(undecyl)silane Chemical compound CCCCCCCCCCC[Si](OC)(OC)OC LIJFLHYUSJKHKV-UHFFFAOYSA-N 0.000 description 2
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 1
- 238000004400 29Si cross polarisation magic angle spinning Methods 0.000 description 1
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-OUBTZVSYSA-N Carbon-13 Chemical compound [13C] OKTJSMMVPCPJKN-OUBTZVSYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000005046 Chlorosilane Substances 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- SXPLZNMUBFBFIA-UHFFFAOYSA-N butyl(trimethoxy)silane Chemical compound CCCC[Si](OC)(OC)OC SXPLZNMUBFBFIA-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical class Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005388 cross polarization Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- LVYZJEPLMYTTGH-UHFFFAOYSA-H dialuminum chloride pentahydroxide dihydrate Chemical group [Cl-].[Al+3].[OH-].[OH-].[Al+3].[OH-].[OH-].[OH-].O.O LVYZJEPLMYTTGH-UHFFFAOYSA-H 0.000 description 1
- JJQZDUKDJDQPMQ-UHFFFAOYSA-N dimethoxy(dimethyl)silane Chemical compound CO[Si](C)(C)OC JJQZDUKDJDQPMQ-UHFFFAOYSA-N 0.000 description 1
- LIKFHECYJZWXFJ-UHFFFAOYSA-N dimethyldichlorosilane Chemical compound C[Si](C)(Cl)Cl LIKFHECYJZWXFJ-UHFFFAOYSA-N 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- SBRXLTRZCJVAPH-UHFFFAOYSA-N ethyl(trimethoxy)silane Chemical compound CC[Si](OC)(OC)OC SBRXLTRZCJVAPH-UHFFFAOYSA-N 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 229910021485 fumed silica Inorganic materials 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000005661 hydrophobic surface Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- POPACFLNWGUDSR-UHFFFAOYSA-N methoxy(trimethyl)silane Chemical compound CO[Si](C)(C)C POPACFLNWGUDSR-UHFFFAOYSA-N 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- HMMGMWAXVFQUOA-UHFFFAOYSA-N octamethylcyclotetrasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 HMMGMWAXVFQUOA-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000005049 silicon tetrachloride Substances 0.000 description 1
- XUIMIQQOPSSXEZ-OUBTZVSYSA-N silicon-29 atom Chemical compound [29Si] XUIMIQQOPSSXEZ-OUBTZVSYSA-N 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- SNOOUWRIMMFWNE-UHFFFAOYSA-M sodium;6-[(3,4,5-trimethoxybenzoyl)amino]hexanoate Chemical compound [Na+].COC1=CC(C(=O)NCCCCCC([O-])=O)=CC(OC)=C1OC SNOOUWRIMMFWNE-UHFFFAOYSA-M 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- FZMJEGJVKFTGMU-UHFFFAOYSA-N triethoxy(octadecyl)silane Chemical compound CCCCCCCCCCCCCCCCCC[Si](OCC)(OCC)OCC FZMJEGJVKFTGMU-UHFFFAOYSA-N 0.000 description 1
- QQQSFSZALRVCSZ-UHFFFAOYSA-N triethoxysilane Chemical compound CCO[SiH](OCC)OCC QQQSFSZALRVCSZ-UHFFFAOYSA-N 0.000 description 1
- JEPXSTGVAHHRBD-UHFFFAOYSA-N trimethoxy(nonyl)silane Chemical compound CCCCCCCCC[Si](OC)(OC)OC JEPXSTGVAHHRBD-UHFFFAOYSA-N 0.000 description 1
- HILHCDFHSDUYNX-UHFFFAOYSA-N trimethoxy(pentyl)silane Chemical compound CCCCC[Si](OC)(OC)OC HILHCDFHSDUYNX-UHFFFAOYSA-N 0.000 description 1
- HQYALQRYBUJWDH-UHFFFAOYSA-N trimethoxy(propyl)silane Chemical compound CCC[Si](OC)(OC)OC HQYALQRYBUJWDH-UHFFFAOYSA-N 0.000 description 1
- AXNJHBYHBDPTQF-UHFFFAOYSA-N trimethoxy(tetradecyl)silane Chemical compound CCCCCCCCCCCCCC[Si](OC)(OC)OC AXNJHBYHBDPTQF-UHFFFAOYSA-N 0.000 description 1
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 description 1
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- SCHZCUMIENIQMY-UHFFFAOYSA-N tris(trimethylsilyl)silicon Chemical compound C[Si](C)(C)[Si]([Si](C)(C)C)[Si](C)(C)C SCHZCUMIENIQMY-UHFFFAOYSA-N 0.000 description 1
- XREXPQGDOPQPAH-QKUPJAQQSA-K trisodium;[(z)-18-[1,3-bis[[(z)-12-sulfonatooxyoctadec-9-enoyl]oxy]propan-2-yloxy]-18-oxooctadec-9-en-7-yl] sulfate Chemical compound [Na+].[Na+].[Na+].CCCCCCC(OS([O-])(=O)=O)C\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CC(CCCCCC)OS([O-])(=O)=O)COC(=O)CCCCCCC\C=C/CC(CCCCCC)OS([O-])(=O)=O XREXPQGDOPQPAH-QKUPJAQQSA-K 0.000 description 1
- 238000001622 two pulse phase modulation pulse sequence Methods 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
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Description
反応器中の約3のpHを有するシリカの酸性水性分散体(日産化学から入手したOMP−1040)40kgに2−プロパノール27.8kg、次いでオクチルトリエトキシシラン1.84kgを加えた。得られた混合物を70℃に加熱しながらオーバーヘッドパドルスターラーで急速撹拌し、同時にホモジナイザーにより循環させ、それを6時間保持した。反応混合物に水酸化アンモニウムの3.43wt%水溶液3.8kgを加え、その混合物を70℃でさらに2.5時間撹拌した。次いで、反応混合物を135℃の温度で噴霧乾燥し、疎水性シリカ粒子を乾燥粉末として得た。シリカ粒子の炭素含量は4.28wt%であった。T2/T3比は0.48であった。
反応器中の約3のpHを有するシリカの酸性水性分散体(日産化学から入手したOYL)41kgに2−プロパノール28.7kg、次いでオクチルトリエトキシシラン1.87kgを加えた。得られた混合物を68℃に加熱しながらオーバーヘッドパドルスターラーで急速撹拌し、同時にホモジナイザーにより循環させ、それを7.5時間保持した。次いで、反応混合物を130℃の温度で噴霧乾燥し、疎水性シリカ粒子を乾燥粉末として得た。シリカ粒子の炭素含量は4.8wt%であった。T2/T3比は1.45であった。
反応器中の約3のpHを有するシリカの酸性水性分散体(日産化学から入手したOYL)39kgに脱イオン水20.7kg、次いでヘキサメチルジシラザン2.51kgを加えた。得られた混合物を50℃に加熱しながらオーバーヘッドパドルスターラーで急速撹拌し、同時にホモジナイザーにより循環させ、それを6時間保持した。約28Lの反応混合物を取り出し、別の目的のために取っておいた。残りの反応混合物に2−プロパノール24.6kg、次いでオクチルトリエトキシシラン0.61kgを加えた。反応を70℃で5.8時間続けた。次いで、反応混合物を125℃で噴霧乾燥し、疎水性シリカ粒子を乾燥粉末として得た。シリカ粒子の炭素含量は2.32wt%であった。T2/T3比は0.51であった。粒子サイズ分布を図1に示す。
丸底ガラスフラスコ中のコロイドシリカ分散体(pH約3)(日産化学のSnowtex OYL)107gに脱イオン水47gを加えて20%固形物の分散体を得た。この分散体にヘキサメチルジシラザン2.8gを加えた。この混合物を50℃に加熱しながらオーバーヘッドスターラーで激しく撹拌し、それを4時間保持した。混合物を室温に冷却し、フラスコのヘッドスペースを窒素ガスで約10時間パージした。その後、反応混合物に3−アミノプロピルトリエトキシシラン0.59gを加え、反応混合物を50℃に加熱しながらオーバーヘッドスターラーで激しく撹拌し、それを周囲の空気雰囲気下で4時間保持した。次いで、混合物をガラスビーカーに注ぎ、130℃で8時間乾燥した。得られた乾燥固形物の炭素含量は0.64wt%であった。
丸底ガラスフラスコ中のコロイドシリカ分散体(pH約3)(日産化学のSnowtex OYL)107gに脱イオン水47gを加えて20%固形物の分散体を得た。この分散体に3−アミノプロピルトリエトキシシラン0.59gを加えた。この混合物を50℃に加熱しながらオーバーヘッドスターラーで激しく撹拌し、それを4時間保持した。その後、混合物にヘキサメチルジシラザン2.8gを加え、さらに4時間にわたって撹拌しながら50℃で加熱した。次いで、混合物をガラスビーカーに注ぎ、130℃で8時間乾燥した。得られた乾燥固形物の炭素含量は0.62wt%であった。
反応器中の約9.5のpHを有するシリカの塩基性水性分散体(日産化学から入手したMP−1040)42kgに2−プロパノール27kg、次いでオクチルトリエトキシシラン1.44kgを加えた。得られた混合物を70℃に加熱しながらオーバーヘッドパドルスターラーで急速撹拌し、同時にホモジナイザーにより循環させ、それを7時間保持した。次いで、反応混合物を110℃で噴霧乾燥し、疎水性シリカ粒子を乾燥粉末として得た。シリカ粒子の炭素含量は2.8wt%であった。T2/T3比は0.21であった。
反応器中の約9.5のpHを有するシリカの塩基性水性分散体(日産化学から入手したYL)41kgに2−プロパノール26kg、次いでオクチルトリエトキシシラン1.86kgを加えた。得られた混合物を70℃に加熱しながらオーバーヘッドパドルスターラーで急速撹拌し、同時にホモジナイザーにより循環させ、それを7.5時間保持した。次いで、反応混合物を135℃で噴霧乾燥し、疎水性シリカ粒子を乾燥粉末として得た。シリカ粒子の炭素含量は3.7wt%であった。疎水性シリカ粒子のT2/T3比は0.21であった。
Claims (19)
- (a)シリカの酸性水性分散体を準備する工程であって、該酸性水性分散体中の遊離アルカリ金属カチオン含量が0.05wt%以下である工程、
(b)該分散体をアルコキシシラン化合物と組み合わせて、40wt%以下の有機溶媒を含む反応混合物を得る工程、及び
(c)工程(b)の反応混合物を直接乾燥して疎水性シリカ粒子を得る工程
を含む、疎水性シリカ粒子の調製方法。 - 前記工程(b)が、
(b1)前記分散体をアルコキシシラン化合物及び任意選択で有機溶媒と組み合わせて第1の反応混合物を与える工程、及び
(b2)該第1の反応混合物にシラザン、アンモニア及びアミンからなる群より選択される化合物を加えて第2の反応混合物を与える工程
を含み、該第1及び第2の反応混合物が40wt%以下の有機溶媒を含む、請求項1に記載の方法。 - 前記工程(b)が、
(b1)前記分散体をシラザン、アンモニア及びアミンからなる群より選択される化合物と組み合わせて第1の反応混合物を与える工程、及び
(b2)該第1の反応混合物にアルコキシシラン化合物及び任意選択で有機溶媒を加えて第2の反応混合物を与える工程
を含み、該第1及び第2の反応混合物が40wt%以下の有機溶媒を含む、請求項1に記載の方法。 - 前記第1の反応混合物が2〜9のpHを有する、請求項3に記載の方法。
- 前記分散体をヘキサメチルジシラザン又は環状シラザンと組み合わせて前記第1の反応混合物を与える、請求項3又は4に記載の方法。
- 前記分散体が、アルコキシシラン化合物、並びにシラザン、アンモニア及びアミンからなる群より選択される化合物と同時に組み合わせられる、請求項1に記載の方法。
- 前記シリカがシリカゾル又は焼成シリカである、請求項1〜4及び6のいずれか1項に記載の方法。
- 前記工程(a)の前に、シリカの塩基性水性分散体の水性分散体が提供され、イオン交換樹脂と接触されてシリカの酸性水性分散体が提供される、請求項7に記載の方法。
- 前記工程(a)と前記工程(b)の間で、前記分散体が、ハロゲン化アルミニウム、ヒドロキシハロゲン化アルミニウム、オキシハロゲン化ジルコニル、ヒドロキシハロゲン化ジルコニル、及びそれらの混合物からなる群より選択される化合物と組み合わせられる、請求項1〜4及び6のいずれか1項に記載の方法。
- (a)シリカの酸性水性分散体を準備する工程であって、該酸性水性分散体中の遊離アルカリ金属カチオン含量が0.05wt%以下である工程、
(b)該分散体をアルコキシシラン化合物と組み合わせて、40wt%以下の有機溶媒を含む反応混合物を得る工程、及び
(c)工程(b)の反応混合物を直接乾燥して疎水性シリカ粒子を得る工程
を含むプロセスによって生成され、該粒子の固体Si核磁気共鳴スペクトルが0.4以上のT2:T3比を示し、T2が−56ppm〜−59ppmの範囲に中心があるCP/MAS29Si NMRスペクトルにおける化学シフトを有するピークの強度であり、T3が−65ppm〜−69ppmの範囲に中心があるCP/MAS29Si NMRスペクトルにおける化学シフトを有するピークの強度である、疎水性シリカ粒子。 - 前記工程(b)が、
(b1)前記分散体をアルコキシシラン化合物及び有機溶媒と組み合わせて第1の反応混合物を与える工程、及び
(b2)該第1の反応混合物にシラザン、アンモニア及びアミンからなる群より選択される化合物を加えて第2の反応混合物を与える工程
を含み、該第1及び第2の反応混合物が40wt%以下の有機溶媒を含む、請求項10に記載の疎水性シリカ粒子。 - 前記工程(b)が、
(b1)前記分散体をシラザン、アンモニア及びアミンからなる群より選択される化合物と組み合わせて第1の反応混合物を与える工程、及び
(b2)該第1の反応混合物にアルコキシシラン化合物及び有機溶媒を加えて第2の反応混合物を与える工程
を含み、該第1及び第2の反応混合物が40wt%以下の有機溶媒を含む、請求項10に記載の疎水性シリカ粒子。 - 前記第1の反応混合物が2〜9のpHを有する、請求項12に記載の疎水性シリカ粒子。
- 前記分散体をヘキサメチルジシラザン又は環状シラザンと組み合わせて前記第1の反応混合物を与える、請求項12又は13に記載の疎水性シリカ粒子。
- 前記分散体が、アルコキシシラン化合物、並びにシラザン、アンモニア及びアミンからなる群より選択される化合物と同時に組み合わせられる、請求項10に記載の疎水性シリカ粒子。
- 前記シリカがシリカゾル又は焼成シリカである、請求項12又は13に記載の疎水性シリカ粒子。
- 前記工程(a)の前に、塩基性水性分散体のシリカの水性分散体が提供され、イオン交換樹脂と接触されて酸性水性シリカの水性分散体が提供される、請求項16に記載の疎水性シリカ粒子。
- 前記工程(a)と前記工程(b)の間で、前記分散体が、ハロゲン化アルミニウム、ヒドロキシハロゲン化アルミニウム、オキシハロゲン化ジルコニル、ヒドロキシハロゲン化ジルコニル、及びそれらの混合物からなる群より選択される化合物と組み合わせられる、請求項12又は13に記載の疎水性シリカ粒子。
- (1)0.4以上のT2:T3比(ここで、T2は−56ppm〜−59ppmの範囲に中心があるCP/MAS29Si NMRスペクトルにおける化学シフトを有するピークの強度であり、T3は−65ppm〜−69ppmの範囲に中心があるCP/MAS29Si NMRスペクトルにおける化学シフトを有するピークの強度である)、及び(2)0.05超の(T2+T3)/(T2+T3+M)比(ここで、Mは+7ppm〜+18ppmの範囲に中心があるCP/MAS29Si NMRスペクトルにおける化学シフトを有するピークの強度である)を有する、疎水性の表面処理されたシリカ粒子。
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US7857905B2 (en) * | 2007-03-05 | 2010-12-28 | Momentive Performance Materials Inc. | Flexible thermal cure silicone hardcoats |
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