WO2023058434A1 - ヒドロキシアルキル基含有ポリシロキサン及びその製造方法 - Google Patents
ヒドロキシアルキル基含有ポリシロキサン及びその製造方法 Download PDFInfo
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- WO2023058434A1 WO2023058434A1 PCT/JP2022/034687 JP2022034687W WO2023058434A1 WO 2023058434 A1 WO2023058434 A1 WO 2023058434A1 JP 2022034687 W JP2022034687 W JP 2022034687W WO 2023058434 A1 WO2023058434 A1 WO 2023058434A1
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- groups
- above formula
- formula
- containing polysiloxane
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- -1 polysiloxane Polymers 0.000 title claims abstract description 60
- 125000002768 hydroxyalkyl group Chemical group 0.000 title claims abstract description 33
- 229920001296 polysiloxane Polymers 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 3
- 125000001183 hydrocarbyl group Chemical group 0.000 claims abstract 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 39
- 239000003054 catalyst Substances 0.000 claims description 22
- 229920006136 organohydrogenpolysiloxane Polymers 0.000 claims description 17
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 11
- 229910052909 inorganic silicate Inorganic materials 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract description 11
- 238000006356 dehydrogenation reaction Methods 0.000 abstract description 10
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 abstract description 10
- 239000002994 raw material Substances 0.000 abstract description 6
- 150000001875 compounds Chemical class 0.000 abstract description 5
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 abstract description 5
- 239000000376 reactant Substances 0.000 abstract description 2
- 229910020485 SiO4/2 Inorganic materials 0.000 abstract 1
- 125000006238 prop-1-en-1-yl group Chemical group [H]\C(*)=C(/[H])C([H])([H])[H] 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 30
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 24
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 23
- 150000002430 hydrocarbons Chemical group 0.000 description 22
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 19
- 239000000047 product Substances 0.000 description 19
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 16
- 239000002253 acid Substances 0.000 description 13
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 13
- 238000006243 chemical reaction Methods 0.000 description 12
- 229910052697 platinum Inorganic materials 0.000 description 11
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 238000005481 NMR spectroscopy Methods 0.000 description 9
- 238000007259 addition reaction Methods 0.000 description 8
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 8
- 239000012535 impurity Substances 0.000 description 8
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 8
- 235000017557 sodium bicarbonate Nutrition 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 7
- 238000006459 hydrosilylation reaction Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 6
- 125000000217 alkyl group Chemical group 0.000 description 6
- 125000002947 alkylene group Chemical group 0.000 description 6
- 125000003118 aryl group Chemical group 0.000 description 6
- 229920001577 copolymer Polymers 0.000 description 6
- GCYHRYNSUGLLMA-UHFFFAOYSA-N 2-prop-2-enoxyethanol Chemical compound OCCOCC=C GCYHRYNSUGLLMA-UHFFFAOYSA-N 0.000 description 5
- 125000003342 alkenyl group Chemical group 0.000 description 5
- 125000004429 atom Chemical group 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 5
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 5
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 5
- GIEMHYCMBGELGY-UHFFFAOYSA-N 10-undecen-1-ol Chemical compound OCCCCCCCCCC=C GIEMHYCMBGELGY-UHFFFAOYSA-N 0.000 description 4
- 125000004450 alkenylene group Chemical group 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 4
- 125000005388 dimethylhydrogensiloxy group Chemical group 0.000 description 4
- WXPWPYISTQCNDP-UHFFFAOYSA-N oct-7-en-1-ol Chemical compound OCCCCCCC=C WXPWPYISTQCNDP-UHFFFAOYSA-N 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 3
- 125000000732 arylene group Chemical group 0.000 description 3
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 description 3
- 125000002993 cycloalkylene group Chemical group 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 229910052763 palladium Inorganic materials 0.000 description 3
- LQAVWYMTUMSFBE-UHFFFAOYSA-N pent-4-en-1-ol Chemical compound OCCCC=C LQAVWYMTUMSFBE-UHFFFAOYSA-N 0.000 description 3
- 229920001843 polymethylhydrosiloxane Polymers 0.000 description 3
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 3
- 229910052703 rhodium Inorganic materials 0.000 description 3
- 239000010948 rhodium Substances 0.000 description 3
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 3
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 2
- QGFSQVPRCWJZQK-UHFFFAOYSA-N 9-Decen-1-ol Chemical compound OCCCCCCCCC=C QGFSQVPRCWJZQK-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 101150003085 Pdcl gene Proteins 0.000 description 2
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 125000003710 aryl alkyl group Chemical group 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 239000007809 chemical reaction catalyst Substances 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000002537 cosmetic Substances 0.000 description 2
- QNXYZQSFDTZEBK-UHFFFAOYSA-N dodec-11-en-1-ol Chemical compound OCCCCCCCCCCC=C QNXYZQSFDTZEBK-UHFFFAOYSA-N 0.000 description 2
- IIEWJVIFRVWJOD-UHFFFAOYSA-N ethylcyclohexane Chemical compound CCC1CCCCC1 IIEWJVIFRVWJOD-UHFFFAOYSA-N 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- FKGFCVJJLGSFSB-UHFFFAOYSA-N non-8-en-1-ol Chemical compound OCCCCCCCC=C FKGFCVJJLGSFSB-UHFFFAOYSA-N 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- CLSUSRZJUQMOHH-UHFFFAOYSA-L platinum dichloride Chemical compound Cl[Pt]Cl CLSUSRZJUQMOHH-UHFFFAOYSA-L 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- NVGOATMUHKIQQG-UHFFFAOYSA-N 2-Methyl-3-buten-1-ol Chemical compound OCC(C)C=C NVGOATMUHKIQQG-UHFFFAOYSA-N 0.000 description 1
- 125000000094 2-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 1
- ZSPTYLOMNJNZNG-UHFFFAOYSA-N 3-Buten-1-ol Chemical compound OCCC=C ZSPTYLOMNJNZNG-UHFFFAOYSA-N 0.000 description 1
- YMTRRNPGRBDHDL-UHFFFAOYSA-N 3-methylhex-5-en-1-ol Chemical compound OCCC(C)CC=C YMTRRNPGRBDHDL-UHFFFAOYSA-N 0.000 description 1
- VTCQTYOGWYLVES-UHFFFAOYSA-N 3-methylpent-4-en-1-ol Chemical compound C=CC(C)CCO VTCQTYOGWYLVES-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Chemical group CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000004956 cyclohexylene group Chemical group 0.000 description 1
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000004979 cyclopentylene group Chemical group 0.000 description 1
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 1
- DKPGJRQAKBRCNH-UHFFFAOYSA-N docos-21-en-1-ol Chemical compound OCCCCCCCCCCCCCCCCCCCCC=C DKPGJRQAKBRCNH-UHFFFAOYSA-N 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- BITPLIXHRASDQB-UHFFFAOYSA-N ethenyl-[ethenyl(dimethyl)silyl]oxy-dimethylsilane Chemical compound C=C[Si](C)(C)O[Si](C)(C)C=C BITPLIXHRASDQB-UHFFFAOYSA-N 0.000 description 1
- 125000005678 ethenylene group Chemical group [H]C([*:1])=C([H])[*:2] 0.000 description 1
- 125000001033 ether group Chemical group 0.000 description 1
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- UFULDTPDHIRNGS-UHFFFAOYSA-N hept-6-en-1-ol Chemical compound OCCCCCC=C UFULDTPDHIRNGS-UHFFFAOYSA-N 0.000 description 1
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- UIZVMOZAXAMASY-UHFFFAOYSA-N hex-5-en-1-ol Chemical compound OCCCCC=C UIZVMOZAXAMASY-UHFFFAOYSA-N 0.000 description 1
- IVJLSPVMJRCRPF-UHFFFAOYSA-N hexadec-15-en-1-ol Chemical compound OCCCCCCCCCCCCCCC=C IVJLSPVMJRCRPF-UHFFFAOYSA-N 0.000 description 1
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- VHACDHVYHUJPLU-UHFFFAOYSA-N icos-19-en-1-ol Chemical compound OCCCCCCCCCCCCCCCCCCC=C VHACDHVYHUJPLU-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 description 1
- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 125000004957 naphthylene group Chemical group 0.000 description 1
- 229910052759 nickel 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
- KJCIMIKIPFJKAT-UHFFFAOYSA-N octadec-17-en-1-ol Chemical compound OCCCCCCCCCCCCCCCCC=C KJCIMIKIPFJKAT-UHFFFAOYSA-N 0.000 description 1
- 125000002347 octyl 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])[H] 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 1
- 125000004817 pentamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 125000006410 propenylene group Chemical group 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- GXBLITCOLKGJDG-UHFFFAOYSA-N tetradec-13-en-1-ol Chemical compound OCCCCCCCCCCCCC=C GXBLITCOLKGJDG-UHFFFAOYSA-N 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
- C08G77/16—Polysiloxanes containing silicon bound to oxygen-containing groups to hydroxyl groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/38—Polysiloxanes modified by chemical after-treatment
Definitions
- the present invention relates to a hydroxyalkyl group-containing polysiloxane and a method for producing the same.
- Hydroxyalkyl group-containing polysiloxanes are used in various applications such as paint additives, cosmetics, and resin modifiers.
- a resin modifier for example, by using a hydroxyalkyl group-containing polysiloxane when synthesizing a polyurethane resin, heat resistance, cold resistance, water resistance, chemical resistance, electrical properties, and gas permeability, which are the characteristics of siloxane, can be improved. can be given.
- Patent Document 1 proposes one obtained by a hydrosilylation reaction between allyl glycol and hydrogensiloxane.
- the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a hydroxyalkyl group-containing polysiloxane that has a low amount of dehydrogenation products of the hydroxy groups and hydrosilyl groups of the raw material compound and has high heat resistance.
- the present inventors have made intensive studies to solve the above problems, and have found that the following hydroxyalkyl group-containing polysiloxane has a low amount of dehydrogenation reaction product between the hydroxy group and the hydrosilyl group of the raw material compound and has high heat resistance. This discovery led to the completion of the present invention.
- Y is a divalent hydrocarbon group having 3 to 20 carbon atoms
- Y' is a divalent hydrocarbon group having 2 to 19 carbon atoms
- an asterisk * is another hydroxyalkyl Indicates
- each siloxane unit shown in parentheses is arbitrary.
- the hydroxyalkyl group-containing polysiloxane according to 1, wherein r 0 in the above formula (1); 3.
- Formula (6) below ( R13SiO1 / 2 ) k ( R22SiO2 /2 ) p ( R2SiO3 /2 ) q (6) (In the above formula, each R 2 is independently a monovalent hydrocarbon group having 1 to 20 carbon atoms.
- R 1 , k, p and q are the same as above.
- the hydroxyalkyl group-containing polysiloxane according to 2 which is a hydroxyalkyl group-containing polysiloxane represented by 4.
- Formula (7) below ( R33SiO1 / 2 ) k ( R32SiO2 /2 ) p ( R3SiO3 /2 ) q (SiO4 /2 ) r (7)
- each R 3 is independently a hydrogen atom or a monovalent hydrocarbon group having 1 to 20 carbon atoms, and at least one of R 3 is a hydrogen atom.
- the hydroxyalkyl group-containing polysiloxane of the present invention has less dehydrogenation products of the hydroxy groups and hydrosilyl groups of the raw material compound than conventional ones, and has high heat resistance.
- the present invention will be described in detail below.
- the hydroxyalkyl group-containing polysiloxane of the present invention is represented by the following formula (1). ( R13SiO1 / 2 ) k ( R12SiO2 / 2 ) p ( R1SiO3 /2 ) q (SiO4 /2 ) r (1)
- each R 1 is independently a monovalent hydrocarbon group having 1 to 20 carbon atoms and a group selected from the following formulas (2) to (5).
- -O-Y-CH CH 2 (3)
- -O-Y'-CH CH-CH 3 (4) -O-Y-CH 2 -CH 2 -* (5)
- the monovalent hydrocarbon group having 1 to 20 carbon atoms for R 1 may be linear, branched or cyclic.
- monovalent hydrocarbon groups for R 1 include alkyl groups such as methyl, ethyl, propyl, butyl, pentyl, hexyl, heptyl, octyl, nonyl, decyl, dodecyl, tetradecyl, hexadecyl and octadecyl groups; cyclopentyl and cyclohexyl. alkenyl groups such as vinyl and allyl groups; aryl groups such as phenyl, tolyl and naphthyl groups; and aralkyl groups such as benzyl and phenethyl groups.
- the monovalent hydrocarbon group for R 1 is more preferably an alkyl group having 1 to 6 carbon atoms or an aryl group having 6 to 8 carbon atoms, more preferably methyl, ethyl, propyl, butyl or phenyl. be.
- Y is a divalent hydrocarbon group having 3 to 20 carbon atoms.
- the divalent hydrocarbon group of Y having 3 to 20 carbon atoms may be linear, branched, or cyclic, for example, an alkylene group having 3 to 20 carbon atoms, preferably 3 to 19 carbon atoms; 3 to 20, preferably 4 to 10, cycloalkylene groups; 3 to 20, preferably 4 to 10, alkenylene groups; 6 to 20, preferably 6 to 10, arylene groups; 7 to 20, preferably 8 to 10 aralkylene groups, etc., but preferably contain no ether bond.
- divalent hydrocarbon group for Y examples include trimethylene, propylene, tetramethylene, pentamethylene, hexamethylene, heptamethylene, octamethylene, nonamethylene, decamethylene, dodecamethylene, tetradecamethylene, hexadecamethylene and octadecamethylene.
- nonadecamethylene alkylene groups such as eicosadecylene groups; cycloalkylene groups such as cyclopentylene and cyclohexylene groups; alkenylene groups such as propenylene groups; phenylene, methylphenylene, arylene groups such as naphthylene groups; An aralkylene group and the like can be mentioned.
- the divalent hydrocarbon group for Y is preferably an alkylene group having 3 to 18 carbon atoms, more preferably a trimethylene, propylene, tetramethylene, pentamethylene, hexamethylene, heptamethylene, octamethylene, nonamethylene, decamethylene group. and more preferably trimethylene, propylene, tetramethylene, hexamethylene, octamethylene and nonamethylene groups, still more preferably trimethylene, hexamethylene and nonamethylene groups, and particularly preferably hexamethylene and nonamethylene groups. If the number of carbon atoms is less than 3 or more than 20, the dehydrogenation reaction product between the hydroxy group and the hydrosilyl group of the starting compound increases.
- Y' is a divalent hydrocarbon group having 2 to 19 carbon atoms.
- the divalent hydrocarbon group having 2 to 19 carbon atoms of Y' may be linear, branched, or cyclic, for example, an alkylene group having 2 to 19, preferably 2 to 18 carbon atoms; cycloalkylene group having 3 to 19 atoms, preferably 4 to 10; alkenylene group having 2 to 19 carbon atoms, preferably 2 to 10; arylene group having 6 to 19 carbon atoms, preferably 6 to 10 carbon atoms; Examples include aralkylene groups of numbers 7 to 19, preferably 8 to 10, but preferably contain no ether bond.
- divalent hydrocarbon group for Y' include those similar to the groups having 3 to 19 carbon atoms exemplified for Y, and further, the alkylene group is an ethylene group, and the alkenylene group is vinylene. groups, respectively.
- the divalent hydrocarbon group for Y' is preferably an alkylene group having 2 to 17 carbon atoms, more preferably ethylene, trimethylene, propylene, tetramethylene, pentamethylene, hexamethylene, heptamethylene, octamethylene, nonamethylene. groups, more preferably ethylene, trimethylene, propylene, pentamethylene, hexamethylene and octamethylene groups, still more preferably trimethylene, pentamethylene and octamethylene groups, and particularly preferably pentamethylene and octamethylene groups. .
- R 1 is preferably an alkyl group having 1 to 4 carbon atoms, an aryl group having 6 to 8 carbon atoms, or a group represented by formulas (2) to (5), more preferably Methyl, ethyl, propyl, butyl, phenyl, groups represented by formulas (2) to (5), more preferably methyl, butyl, phenyl, groups represented by formulas (2) to (5) , and particularly preferably methyl group, phenyl group, and groups represented by formulas (2) to (5).
- the number of groups represented by the above formula (2) is n2
- the number of groups represented by the above formula (3) is n3
- the above formula (4) When the number of groups represented by is n4 and the number of groups represented by the above formula (5) is n5, n2 > 0, n3 ⁇ 0, n4 ⁇ 0, n5 ⁇ 0, n2 + n3 + n4 + n5 ⁇ 1. . Furthermore, the number 0.97 ⁇ n2/(n2+n3+n4+n5) ⁇ 1.0.
- the lower limit is preferably 0.98 ⁇ n2/(n2+n3+n4+n5), more preferably 0.99 ⁇ n2/(n2+n3+n4+n5).
- the value of n2/(n2+n3+n4+n5) was determined by 29 Si-NMR analysis.
- k, p, q and r are numbers k>0, p ⁇ 0, q ⁇ 0 and r ⁇ 0 independently of each other.
- k is preferably a number from 2 to 5, more preferably a number from 2 to 4, even more preferably 2 or 3.
- p is preferably a number from 2 to 100, more preferably a number from 3 to 50, even more preferably a number from 3 to 20.
- q is preferably a number from 0 to 3, more preferably a number from 0 to 2, still more preferably 0 or 1.
- the order of bonding of each siloxane unit shown in parentheses is not particularly limited, and may be randomly bonded or may form a block structure.
- the weight average molecular weight of the hydroxyalkyl group-containing polysiloxane of the present invention is preferably 300 to 20,000, more preferably 300 to 15,000, still more preferably 400 to 8,000, still more preferably 500 to 4,000. Especially preferred is 600 to 1,500.
- the said weight average molecular weight is a value by polystyrene conversion by the gel permeation chromatography (GPC) measured based on the following conditions.
- GPC gel permeation chromatography
- TSKgel Super H2500 (6.0mm I.D. x 15cm x 1) (both manufactured by Tosoh Corporation) Column temperature: 40°C Sample injection volume: 50 ⁇ L (THF solution with a concentration of 0.3% by mass)
- the hydroxyalkyl group-containing polysiloxane represented by the above formula (1) may have a linear, branched, cyclic or three-dimensional network molecular structure. Particularly preferred are linear or branched siloxanes. As such a linear or branched siloxane, one represented by the following formula (6) is preferable. ( R13SiO1 / 2 ) k ( R22SiO2 /2 ) p ( R2SiO3 /2 ) q (6)
- each R 2 is independently a monovalent hydrocarbon group having 1 to 20 carbon atoms.
- the monovalent hydrocarbon group for R 2 include the same groups as those exemplified for R 1 .
- R 2 is preferably an alkyl group having 1 to 6 carbon atoms or an aryl group having 6 to 8 carbon atoms, more preferably a methyl, ethyl, propyl, butyl or phenyl group, still more preferably is a methyl, butyl or phenyl group, particularly preferably a methyl group or a phenyl group.
- R 1 , k, p and q are the same as above.
- the hydroxyalkyl group-containing polysiloxane of the present invention represented by the above formula (1) can be obtained, for example, by subjecting an organohydrogenpolysiloxane and an alkenyl alcohol to a hydrosilylation reaction.
- an alkenyl alcohol having a specific alkyl chain length as a raw material for organohydrogenpolysiloxane
- the hydrosilylation reaction proceeds selectively, and the hydroxy group of the alkenyl alcohol and the hydrosilyl of the organohydrogenpolysiloxane are It is possible to obtain a hydroxyalkyl group-containing polysiloxane with less dehydrogenation products of groups.
- Organohydrogenpolysiloxane As the organohydrogenpolysiloxane, for example, one represented by the following formula (7) is preferable. ( R33SiO1 / 2 ) k ( R32SiO2 /2 ) p ( R3SiO3 /2 ) q (SiO4 /2 ) r (7)
- each R 3 is independently a hydrogen atom or a monovalent hydrocarbon group having 1 to 20 carbon atoms. However, one or more of R 3 are hydrogen atoms, preferably two or more are hydrogen atoms.
- R 3 is preferably a hydrogen atom, an alkyl group having 1 to 6 carbon atoms or an aryl group having 6 to 8 carbon atoms, more preferably a hydrogen atom, methyl, ethyl, propyl, butyl or phenyl group; More preferred are a hydrogen atom, methyl, butyl and phenyl groups, and particularly preferred are a hydrogen atom, methyl group and phenyl group.
- k, p, q and r are the same as above.
- organohydrogenpolysiloxane one represented by the following formula (8) is more preferable.
- R33SiO1 / 2 k ( R22SiO2 /2 ) p ( R2SiO3 /2 ) q (8)
- R 2 , R 3 , k, p and q are the same as above.
- organohydrogenpolysiloxane represented by the above formula (7) include, for example, dimethylpolysiloxane having both molecular chain terminals blocked with dimethylhydrogensiloxy groups, and methylhydrogenpolysiloxane having both molecular chain terminals blocked with dimethylhydrogensiloxy groups.
- Siloxane dimethylhydrogensiloxy group-blocked methylhydrogensiloxane/dimethylsiloxane copolymer at both molecular chain ends, methylhydrogensiloxane/diphenylsiloxane copolymer at both molecular chain ends dimethylhydrogensiloxy group-blocked, dimethylhydrogen at both molecular chain ends
- Gensiloxy group-blocked methylhydrogensiloxane/dimethylsiloxane/diphenylsiloxane copolymer ( CH3 ) 3SiO1 / 2 units, ( CH3 )2HSiO1 / 2 units, ( CH3 ) 2SiO units and CH3
- alkenyl alcohol for example, one represented by the following formula (9) is preferable.
- CH2 CH-Y-OH (9) (In the above formula (9), Y is the same as above.)
- alkenyl alcohols represented by the above formula (9) include 4-penten-1-ol, 5-hexene-1-ol, 6-hepten-1-ol, 7-octen-1-ol, 8 -nonen-1-ol, 9-decen-1-ol, 10-undecen-1-ol, 11-dodecen-1-ol, 13-tetradecen-1-ol, 15-hexadecen-1-ol, 17-octadecene -1-ol, 19-eicosen-1-ol, 21-docosen-1-ol, 2-methyl-3-buten-1-ol, 3-methyl-4-penten-1-ol, 3-methyl-5 -hexen-1-ol and the like. These may be used individually by 1 type, or may use 2 or more types together. Among these, 4-penten-1-ol, 7-octen-1-ol, and 10-undecen-1-ol are preferred.
- the amount of alkenyl alcohol used in the reaction is preferably such that the total number of alkenyl groups is excessive with respect to the number of hydrosilyl groups possessed by the organohydrogenpolysiloxane.
- the ratio is such that the total number of alkenyl groups is 1 to 5, preferably 1 to 2, particularly preferably 1 to 1.5, per hydrosilyl group. If it is less than 1, the number of alkenyl groups may be insufficient, dehydrogenation may occur, and the amount of dehydrogenation reactants may increase. On the other hand, if it exceeds 5, a large amount of alkenyl alcohol remains in the reaction system, which may be uneconomical.
- the hydrosilylation addition reaction is preferably carried out in the presence of a catalyst, but the catalyst is not particularly limited, and conventionally known addition reaction catalysts can be used.
- the catalyst include simple substances of platinum group metals such as platinum (including platinum black), palladium, rhodium, and ruthenium, and metal catalysts containing these platinum group metals, gold, nickel, and the like. Among these, catalysts containing platinum, palladium or rhodium are preferred.
- catalysts containing platinum, palladium or rhodium include PtCl 4 , H 2 PtCl 6 .6H 2 O, Pt-ether complexes, Pt-olefin complexes, PdCl 2 (PPh 3 ) 2 , PdCl 2 (PhCN ) 2 , RhCl 2 (PPh 3 ) 3 (wherein Ph is a phenyl group), platinum chloride, chloroplatinic acid, or a complex of chloroplatinic acid salt and vinyl group-containing siloxane.
- PtCl 4 H 2 PtCl 6 .6H 2 O
- Pt-ether complexes Pt-olefin complexes
- PdCl 2 (PPh 3 ) 2 PdCl 2 (PhCN ) 2
- RhCl 2 (PPh 3 ) 3 wherein Ph is a phenyl group
- platinum chloride chloroplatinic acid
- vinyl group-containing siloxane platinum chloride
- catalysts can be diluted with a solvent such as alcohols, aromatics, hydrocarbons, ketones, or basic solvents, if necessary.
- a catalyst containing platinum more preferred is platinum chloride, chloroplatinic acid or a complex of chloroplatinic acid salt and a vinyl group-containing siloxane, still more preferably chloroplatinic acid and a vinyl group-containing siloxane
- the amount of the catalyst is not particularly limited as long as it is a catalytic amount.
- a catalytic amount is an amount sufficient for the above addition reaction to proceed.
- the amount of the metal catalyst in terms of main metal is preferably 0.02 parts by mass or less, more preferably 0.00001 to 0.02 parts by mass, and still more preferably 0. 0.0001 to 0.01 parts by weight, particularly preferably 0.0003 to 0.005 parts by weight.
- the catalyst may be added in its entirety from the beginning of the reaction, or may be added in several portions during the reaction. Even with a low amount of catalyst, the reaction can proceed sufficiently. However, if the amount of the catalyst is too small, the reaction rate may become too slow, so the above lower limit or more is preferable. Moreover, even if the amount of the catalyst is too large, the reaction rate is not particularly improved, which may be uneconomical.
- the amount of the metal catalyst contained in the resulting hydroxy group-containing siloxane is preferably 0.02 parts by mass or less, more preferably 0.02 parts by mass or less in terms of the main metal atom, based on 100 parts by mass of the siloxane. can be 0.01 parts by mass or less, more preferably 0.005 parts by mass or less.
- the residual metal catalyst may be removed by adsorption using activated carbon or the like.
- a solvent may be used for the hydrosilylation addition reaction, if necessary. Any solvent can be used as long as it does not inhibit the reaction, and includes toluene, xylene, benzene, hexane, cyclohexane, methylcyclohexane, ethylcyclohexane, chloroform, dichloromethane, carbon tetrachloride, tetrahydrofuran (THF), diethyl ether, acetone, and methyl ethyl ketone.
- Any solvent can be used as long as it does not inhibit the reaction, and includes toluene, xylene, benzene, hexane, cyclohexane, methylcyclohexane, ethylcyclohexane, chloroform, dichloromethane, carbon tetrachloride, tetrahydrofuran (THF), diethyl ether, acetone, and
- dimethylformamide (DMF) dimethylformamide
- acetonitrile methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, 2-butanol and the like
- the solvent may or may not be distilled off after completion of the addition reaction.
- the addition reaction temperature is preferably 20-250°C, more preferably 40-180°C, still more preferably 80-120°C.
- the reaction time is preferably 1 hour or longer, more preferably 20 hours or less, still more preferably 12 hours or less, and particularly preferably 8 hours or less.
- the hydroxyalkyl group-containing polysiloxane of the present invention is useful, for example, for the synthesis of polyester resins and urethane resins, paint additives, cosmetics, and the like.
- Example 1 298.28 parts by mass of 7-octen-1-ol, chloroplatinic acid neutralized sodium bicarbonate/vinylsiloxane in 500 parts by mass of organohydrogenpolysiloxane represented by the formula H—(Me 2 SiO) 9 —SiMe 2 H 0.5 parts by mass of a toluene solution of the complex (platinum content: 0.5% by mass) was added, and the mixture was heated and stirred at 100°C for 6 hours. After that, impurities are removed at 140° C. and 2 mmHg, 3.95 parts by mass of activated carbon is added, and after stirring at 20° C.
- organohydrogenpolysiloxane represented by the formula H—(Me 2 SiO) 9 —SiMe 2 H 0.5 parts by mass of a toluene solution of the complex (platinum content: 0.5% by mass) was added, and the mixture was heated and stirred at 100°C for 6 hours. After that, impur
- the activated carbon is filtered through a filter plate (NA-500, manufactured by Advantech Co., Ltd.). to obtain the product.
- 2 g of the product was weighed in a 50 mL beaker and the rate of change in the weight average molecular weight when heated in the air at 120 ° C. for 1 week was examined. When the residual rate was calculated from the amount, it was 92%.
- Example 2 65.41 parts by weight of 4-penten-1-ol, chloroplatinic acid neutralized sodium bicarbonate/vinylsiloxane in 180 parts by weight of organohydrogenpolysiloxane represented by the formula H—(Me 2 SiO) 9 —SiMe 2 H 0.18 parts by mass of a toluene solution of the complex (platinum content: 0.5% by mass) was added, and the mixture was heated and stirred at 100°C for 4 hours. After that, impurities are removed at 120° C. and 1 mmHg, 0.9 parts by mass of activated carbon is added, and after stirring at 20° C.
- organohydrogenpolysiloxane represented by the formula H—(Me 2 SiO) 9 —SiMe 2 H 0.18 parts by mass of a toluene solution of the complex (platinum content: 0.5% by mass) was added, and the mixture was heated and stirred at 100°C for 4 hours. After that, impurities are removed
- the activated carbon is filtered through a filter plate (NA-500, manufactured by Advantech Co., Ltd.). to obtain the product.
- Example 3 107.93 parts by weight of 10 -undecen- 1 - ol, 107.93 parts by weight of 10-undecen-1-ol, chloroplatinic acid neutralized sodium bicarbonate/vinylsiloxane 0.15 parts by mass of a toluene solution of the complex (platinum content: 0.5% by mass) was added, and the mixture was heated and stirred at 120°C for 4 hours. After that, impurities are removed at 150° C. and 1 mmHg, 0.75 parts by mass of activated carbon is added, and after stirring at 20° C. for 1 hour, the activated carbon is filtered through a filter plate (NA-500, manufactured by Advantech Co., Ltd.). to obtain the product.
- a filter plate NA-500, manufactured by Advantech Co., Ltd.
- Example 4 To 40 parts by mass of an organohydrogenpolysiloxane represented by the formula ( Me3SiO1 / 2) 0.45 (HMe2SiO1 / 2 ) 2.55 (Me2SiO2 /2 ) 61.48 ( MeSiO3 /2 ) 2.07 , 7 -Octen-1-ol 5.02 parts by mass, 0.04 parts by mass of a toluene solution of chloroplatinic acid sodium bicarbonate neutralized/vinylsiloxane complex (platinum content 0.5% by mass) are added, and 4 at 120 ° C. Heat and stir for hours. After that, impurities are removed at 150° C.
- organohydrogenpolysiloxane represented by the formula ( Me3SiO1 / 2) 0.45 (HMe2SiO1 / 2 ) 2.55 (Me2SiO2 /2 ) 61.48 ( MeSiO3 /2 ) 2.07 , 7 -Octen
- n2>0, n3>0, n4>0, n5>0, n2+n3+n4+n5>1, and n2/(n2+n3+n4+n5) 0.992. Further, the rate of change in weight-average molecular weight after heating at 120° C. for one week, which was measured in the same manner as in Example 1, was 334%, and the residual rate was 99%.
- the activated carbon is filtered through a filter plate (NA-500, manufactured by Advantech Co., Ltd.). to obtain the product.
- the activated carbon is filtered through a filter plate (NA-500, manufactured by Advantech Co., Ltd.). to obtain the product.
- n2>0, n3>0, n4>0, n5>0, n2+n3+n4+n5>1, and n2/(n2+n3+n4+n5) 0.933. Further, the rate of change in weight-average molecular weight after heating at 120° C. for one week, which was measured in the same manner as in Example 1, was 4169%, and the residual rate was 97%.
- Example 1-4 and Comparative Examples 1-3 are summarized in Table 1.
- Table 1 the hydroxyalkyl group-containing polysiloxanes of Examples 1 to 4 show a small rate of change in weight-average molecular weight before and after heating at 120° C. and a high residual rate, resulting in high heat resistance.
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Abstract
Description
ヒドロキシアルキル基含有ポリシロキサンとしては、特許文献1に、アリルグリコールとハイドロジェンシロキサンとのヒドロシリル化反応によって得られるものが提案されている。
そのため、原料化合物のヒドロキシ基とヒドロシリル基との脱水素反応物が少なく、耐熱性の高いヒドロキシアルキル基含有ポリシロキサンが強く求められている。
1. 下記式(1)で表されるヒドロキシアルキル基含有ポリシロキサン、
(R1 3SiO1/2)k(R1 2SiO2/2)p(R1SiO3/2)q(SiO4/2)r
(1)
[上記式中、R1は、互いに独立して、炭素原子数1~20の1価炭化水素基及び下記式(2)~(5)より選ばれる基であり、
-CH2-CH2-Y-OH 又は -CH2-CH2-Y-O-*
(2)
-O-Y-CH=CH2 (3)
-O-Y’-CH=CH-CH3 (4)
-O-Y-CH2-CH2-* (5)
(上記式中、Yは、炭素原子数3~20の2価炭化水素基であり、Y’は、炭素原子数2~19の2価炭化水素基であり、アスタリスク*は、別のヒドロキシアルキル基含有ポリシロキサン分子中のケイ素原子に直接結合する結合点を示す。)
上記式(2)で示される基の数をn2、上記式(3)で示される基の数をn3、上記式(4)で示される基の数をn4、上記式(5)で示される基の数をn5としたときに、n2>0、n3≧0、n4≧0、n5≧0、n2+n3+n4+n5≧1であり、かつ0.97<n2/(n2+n3+n4+n5)≦1.0の数である。
また、k>0、p≧0、q≧0及びr≧0の数であり、ただし、k+p+q≧2である。なお、上記括弧内に示される各シロキサン単位の結合順序は、任意である。]
2. 上記式(1)において、r=0である1記載のヒドロキシアルキル基含有ポリシロキサン、
3. 下記式(6)
(R1 3SiO1/2)k(R2 2SiO2/2)p(R2SiO3/2)q (6)
(上記式中、R2は、互いに独立して、炭素原子数1~20の1価炭化水素基である。R1、k、p及びqは、上記と同じである。)
で表されるヒドロキシアルキル基含有ポリシロキサンである2記載のヒドロキシアルキル基含有ポリシロキサン、
4. 下記式(7)
(R3 3SiO1/2)k(R3 2SiO2/2)p(R3SiO3/2)q(SiO4/2)r
(7)
(上記式中、R3は、互いに独立して、水素原子又は炭素原子数1~20の1価炭化水素基であるが、R3のうち、1個以上は水素原子である。k、p及びqは、上記と同じである。)
で表されるオルガノハイドロジェンポリシロキサンと、下記式(9)
CH2=CH-Y-OH (9)
(上記式(9)において、Yは、上記と同じである。)
で表されるアルケニルアルコールとを触媒の存在下でヒドロシリル化反応させる1~3のいずれかに記載のヒドロキシアルキル基含有ポリシロキサンの製造方法
を提供する。
〔ヒドロキシアルキル基含有ポリシロキサン〕
本発明のヒドロキシアルキル基含有ポリシロキサンは、下記式(1)で表される。
(R1 3SiO1/2)k(R1 2SiO2/2)p(R1SiO3/2)q(SiO4/2)r
(1)
-CH2-CH2-Y-OH 又は -CH2-CH2-Y-O-*
(2)
-O-Y-CH=CH2 (3)
-O-Y’-CH=CH-CH3 (4)
-O-Y-CH2-CH2-* (5)
R1の1価炭化水素基の具体例としては、メチル、エチル、プロピル、ブチル、ペンチル、ヘキシル、ヘプチル、オクチル、ノニル、デシル、ドデシル、テトラデシル、ヘキサデシル、オクタデシル基等のアルキル基;シクロペンチル、シクロヘキシル基等のシクロアルキル基;ビニル、アリル基等のアルケニル基;フェニル、トリル、ナフチル基等のアリール基;ベンジル、フェネチル基等のアラルキル基などが挙げられる。
R1の1価炭化水素基としては、より好ましくは炭素原子数1~6のアルキル基、炭素原子数6~8のアリール基であり、更に好ましくはメチル、エチル、プロピル、ブチル、フェニル基である。
Yの炭素原子数3~20の2価炭化水素基としては、直鎖状、分岐状、環状のいずれでもよく、例えば、炭素原子数3~20、好ましくは3~19のアルキレン基;炭素原子数3~20、好ましくは4~10のシクロアルキレン基;炭素原子数3~20、好ましくは4~10のアルケニレン基;炭素原子数6~20、好ましくは6~10のアリーレン基;炭素原子数7~20、好ましくは8~10のアラルキレン基などが挙げられるが、エーテル結合を含まないことが好ましい。
Yの2価炭化水素基の具体例としては、トリメチレン、プロピレン、テトラメチレン、ペンタメチレン、ヘキサメチレン、ヘプタメチレン、オクタメチレン、ノナメチレン、デカメチレン、ドデカメチレン、テトラデカメチレン、ヘキサデカメチレン、オクタデカメチレン、ノナデカメチレン、エイコサデシレン基等のアルキレン基;シクロペンチレン、シクロヘキシレン基等のシクロアルキレン基;プロペニレン基等のアルケニレン基;フェニレン、メチルフェニレン、ナフチレン基等のアリーレン基;ベンジレン、フェネチレン基等のアラルキレン基などが挙げられる。
Y’の炭素原子数2~19の2価炭化水素基としては、直鎖状、分岐状、環状のいずれでもよく、例えば、炭素原子数2~19、好ましくは2~18のアルキレン基;炭素原子数3~19、好ましくは4~10のシクロアルキレン基;炭素原子数2~19、好ましくは2~10のアルケニレン基;炭素原子数6~19、好ましくは6~10のアリーレン基;炭素原子数7~19、好ましくは8~10のアラルキレン基などが挙げられるが、エーテル結合を含まないことが好ましい。
Y’の2価炭化水素基の具体例としては、Yで例示した炭素原子数が3~19の基と同様のものが挙げられ、更に、アルキレン基として、エチレン基が、アルケニレン基として、ビニレン基がそれぞれ挙げられる。
更に、0.97<n2/(n2+n3+n4+n5)≦1.0の数である。n2/(n2+n3+n4+n5)≦0.97では、ヒドロキシアルキル基が少なく、特に、ヒドロキシアルキル基を反応させて使用する用途では、反応点が減少し、十分な性能を得ることが難しくなる。そのため、下限値は、好ましくは0.98≦n2/(n2+n3+n4+n5)、より好ましくは0.99≦n2/(n2+n3+n4+n5)である。なお、上記n2/(n2+n3+n4+n5)の値は、29Si-NMR分析により求めたものである。
kは、好ましくは2~5の数であり、より好ましくは2~4の数であり、更に好ましくは2又は3である。
pは、好ましくは2~100の数であり、より好ましくは3~50の数であり、更に好ましくは3~20の数である。
qは、好ましくは0~3の数であり、より好ましくは0~2の数であり、更に好ましくは0又は1である。
rは、好ましくは0~3の数であり、より好ましくは0~2の数であり、更に好ましくは0又は1であり、特に好ましくはr=0である。
なお、上記括弧内に示される各シロキサン単位の結合順序は、特に制限されず、ランダムに結合していても、ブロック構造を形成していてもよい。
[測定条件]
展開溶媒:テトラヒドロフラン(THF)
流量:0.6mL/min
検出器:示差屈折率検出器(RI)
カラム:TSK Guardcolumn SuperH-H
TSKgel SuperHM-N(6.0mmI.D.×15cm×1)
TSKgel SuperH2500(6.0mmI.D.×15cm×1)
(いずれも東ソー(株)製)
カラム温度:40℃
試料注入量:50μL(濃度0.3質量%のTHF溶液)
(R1 3SiO1/2)k(R2 2SiO2/2)p(R2SiO3/2)q (6)
R2の1価炭化水素基の具体例としては、R1で例示した基と同様のものが挙げられる。それらの中でも、R2は、好ましくは炭素原子数1~6のアルキル基、炭素原子数6~8のアリール基であり、より好ましくはメチル、エチル、プロピル、ブチル、フェニル基であり、更に好ましくはメチル、ブチル、フェニル基であり、特に好ましくはメチル基、フェニル基である。
上記式(6)中、R1、k、p及びqは、上記と同じである。
上記式(1)で表される本発明のヒドロキシアルキル基含有ポリシロキサンは、例えば、オルガノハイドロジェンポリシロキサンと、アルケニルアルコールとをヒドロシリル化反応させることで得ることができる。本発明では、オルガノハイドロジェンポリシロキサンに対して特定アルキル鎖長のアルケニルアルコールを原料として用いることで、ヒドロシリル化反応が選択的に進行し、アルケニルアルコールのヒドロキシ基と、オルガノハイドロジェンポリシロキサンのヒドロシリル基の脱水素反応物が少ないヒドロキシアルキル基含有ポリシロキサンを得ることができる。
オルガノハイドロジェンポリシロキサンとしては、例えば、下記式(7)で示されるものが好ましい。
(R3 3SiO1/2)k(R3 2SiO2/2)p(R3SiO3/2)q(SiO4/2)r
(7)
上記式(7)において、k、p、q及びrは、上記と同じである。
(R3 3SiO1/2)k(R2 2SiO2/2)p(R2SiO3/2)q (8)
(上記式(8)中、R2、R3、k、p及びqは、上記と同じである。)
一方、アルケニルアルコールとしては、例えば、下記式(9)で表されるものが好ましい。
CH2=CH-Y-OH (9)
(上記式(9)において、Yは、上記と同じである。)
これらの中でも、4-ペンテン-1-オール、7-オクテン-1-オール、10-ウンデセン-1-オールが好ましい。
触媒の具体例としては、例えば、白金(白金黒を含む。)、パラジウム、ロジウム、ルテニウム等の白金族金属の単体、これら白金族金属や金、ニッケル等を有する金属触媒等が挙げられる。これらの中でも、白金、パラジウム又はロジウムを有する触媒が好ましい。
白金、パラジウム又はロジウムを有する触媒の具体例としては、例えば、PtCl4、H2PtCl6・6H2O、Pt-エーテル錯体、Pt-オレフィン錯体、PdCl2(PPh3)2、PdCl2(PhCN)2、RhCl2(PPh3)3(前記式中、Phはフェニル基である。)、塩化白金、塩化白金酸又は塩化白金酸塩とビニル基含有シロキサンとの錯体等が挙げられる。これらの触媒は、1種単独で用いても、2種以上の混合物として用いてもよい。
なお、これらの触媒は、必要に応じて、アルコール類、芳香族類、炭化水素類、ケトン類、又は塩基性溶媒等の溶媒で希釈して用いることができる。
これらの中でも、より好ましくは白金を有する触媒であり、更に好ましくは塩化白金、塩化白金酸又は塩化白金酸塩とビニル基含有シロキサンとの錯体であり、一層好ましくは塩化白金酸とビニル基含有シロキサンとの錯体であり、特に好ましくは1,1,3,3-テトラメチル-1,3-ジビニルジシロキサンと塩化白金酸の重曹中和物との錯体(カルステッド触媒)であり、付加反応触媒として最も好適である。
触媒は、反応の初めから全量を添加しても、反応途中に数回に分けて添加してもよい。低触媒量であっても十分に反応を進行させることができる。しかし、触媒の量が少なすぎると反応速度が遅くなりすぎる場合があるため、上記下限値以上が好ましい。また、触媒の量が多すぎても反応速度性は格別に向上せず、不経済となる場合がある。
なお、付加反応終了後に、活性炭等によって、残存金属触媒を吸着除去してもよい。
式H-(Me2SiO)9-SiMe2Hで表されるオルガノハイドロジェンポリシロキサン500質量部に、7-オクテン-1-オール298.28質量部、塩化白金酸重曹中和物・ビニルシロキサン錯体のトルエン溶液(白金含有量0.5質量%)0.5質量部を添加して、100℃で6時間、加熱撹拌した。その後、140℃、2mmHgにて不純物を除去し、活性炭3.95質量部を加え、20℃にて1時間撹拌した後、濾過板(NA-500、アドバンテック(株)製)で活性炭を濾過して生成物を得た。
得られた生成物を29Si-NMRで分析したところ、n2>0、n3≧0、n4≧0、n5≧0、n2+n3+n4+n5≧1であり、n2/(n2+n3+n4+n5)=0.995であった。
また、前記生成物を50mLビーカーに2g秤量して、120℃×1週間空気中で加熱したときの重量平均分子量の変化率を調べたところ、257%であり、ビーカーに残った前記生成物の量から残存率を計算すると、92%であった。
式H-(Me2SiO)9-SiMe2Hで表されるオルガノハイドロジェンポリシロキサン180質量部に、4-ペンテン-1-オール65.41質量部、塩化白金酸重曹中和物・ビニルシロキサン錯体のトルエン溶液(白金含有量0.5質量%)0.18質量部を添加して、100℃で4時間、加熱撹拌した。その後、120℃、1mmHgにて不純物を除去し、活性炭0.9質量部を加え、20℃にて1時間撹拌した後、濾過板(NA-500、アドバンテック(株)製)で活性炭を濾過して生成物を得た。
得られた生成物を29Si-NMRで分析したところ、n2>0、n3≧0、n4≧0、n5≧0、n2+n3+n4+n5≧1であり、n2/(n2+n3+n4+n5)=0.985であった。
また、実施例1と同様に測定した、120℃で1週間加熱したときの重量平均分子量の変化率は、641%であり、残存率は、90%であった。
式H-(Me2SiO)9-SiMe2Hで表されるオルガノハイドロジェンポリシロキサン150質量部に、10-ウンデセン-1-オール107.93質量部、塩化白金酸重曹中和物・ビニルシロキサン錯体のトルエン溶液(白金含有量0.5質量%)0.15質量部を添加して、120℃で4時間、加熱撹拌した。その後、150℃、1mmHgにて不純物を除去し、活性炭0.75質量部を加え、20℃にて1時間撹拌した後、濾過板(NA-500、アドバンテック(株)製)で活性炭を濾過して生成物を得た。
得られた生成物を29Si-NMRで分析したところ、n2>0、n3≧0、n4≧0、n5≧0、n2+n3+n4+n5≧1であり、n2/(n2+n3+n4+n5)=0.995であった。
また、実施例1と同様に測定した、120℃で1週間加熱したときの重量平均分子量の変化率は、175%であり、残存率は、98%であった。
式(Me3SiO1/2)0.45(HMe2SiO1/2)2.55(Me2SiO2/2)61.48(MeSiO3/2)2.07で表されるオルガノハイドロジェンポリシロキサン40質量部に、7-オクテン-1-オール5.02質量部、塩化白金酸重曹中和物・ビニルシロキサン錯体のトルエン溶液(白金含有量0.5質量%)0.04質量部を添加して、120℃で4時間、加熱撹拌した。その後、150℃、1mmHgにて不純物を除去し、活性炭0.2質量部を加え、20℃にて1時間撹拌した後、濾過板(NA-500、アドバンテック(株)製)で活性炭を濾過して生成物を得た。
得られた生成物を29Si-NMRで分析したところ、n2>0、n3≧0、n4≧0、n5≧0、n2+n3+n4+n5≧1であり、n2/(n2+n3+n4+n5)=0.992であった。
また、実施例1と同様に測定した、120℃で1週間加熱したときの重量平均分子量の変化率は、334%であり、残存率は、99%であった。
式H-(Me2SiO)9-SiMe2Hで表されるオルガノハイドロジェンポリシロキサン190質量部に、3-ブテン-1-オール57.8質量部、塩化白金酸重曹中和物・ビニルシロキサン錯体のトルエン溶液(白金含有量0.5質量%)0.19質量部を添加して、80℃で6時間、加熱撹拌した。その後、120℃、2mmHgにて不純物を除去し、活性炭0.95質量部を加え、20℃にて1時間撹拌した後、濾過板(NA-500、アドバンテック(株)製)で活性炭を濾過して生成物を得た。
得られた生成物を29Si-NMRで分析したところ、n2>0、n3≧0、n4≧0、n5≧0、n2+n3+n4+n5≧1であり、n2/(n2+n3+n4+n5)=0.780であった。
また、実施例1と同様に測定した、120℃で1週間加熱したときの重量平均分子量の変化率は、401%であり、残存率は、83%であった。
式H-(Me2SiO)9-SiMe2Hで表されるオルガノハイドロジェンポリシロキサン150質量部に、アリルグリコール64.65質量部、塩化白金酸重曹中和物・ビニルシロキサン錯体のトルエン溶液(白金含有量0.5質量%)0.15質量部を添加して、120℃で4時間、加熱撹拌した。その後、120℃、1mmHgにて不純物を除去し、活性炭0.75質量部を加え、20℃にて1時間撹拌した後、濾過板(NA-500、アドバンテック(株)製)で活性炭を濾過して生成物を得た。
得られた生成物を29Si-NMRで分析したところ、n2>0、n3≧0、n4≧0、n5≧0、n2+n3+n4+n5≧1であり、n2/(n2+n3+n4+n5)=0.970であった。
また、実施例1と同様に測定した、120℃で1週間加熱したときの重量平均分子量の変化率は、588%であり、残存率は、78%であった。
式(Me3SiO1/2)0.45(HMe2SiO1/2)2.55(Me2SiO2/2)61.48(MeSiO3/2)2.07で表されるオルガノハイドロジェンポリシロキサン40質量部に、アリルグリコール3.72質量部、塩化白金酸重曹中和物・ビニルシロキサン錯体のトルエン溶液(白金含有量0.5質量%)0.04質量部を添加して、120℃で4時間、加熱撹拌した。その後、150℃、1mmHgにて不純物を除去し、活性炭0.2質量部を加え、20℃にて1時間撹拌した後、濾過板(NA-500、アドバンテック(株)製)で活性炭を濾過して生成物を得た。
得られた生成物を29Si-NMRで分析したところ、n2>0、n3≧0、n4≧0、n5≧0、n2+n3+n4+n5≧1であり、n2/(n2+n3+n4+n5)=0.933であった。
また、実施例1と同様に測定した、120℃で1週間加熱したときの重量平均分子量の変化率は、4169%であり、残存率は、97%であった。
Claims (4)
- 下記式(1)で表されるヒドロキシアルキル基含有ポリシロキサン。
(R1 3SiO1/2)k(R1 2SiO2/2)p(R1SiO3/2)q(SiO4/2)r
(1)
[上記式中、R1は、互いに独立して、炭素原子数1~20の1価炭化水素基及び下記式(2)~(5)より選ばれる基であり、
-CH2-CH2-Y-OH 又は -CH2-CH2-Y-O-*
(2)
-O-Y-CH=CH2 (3)
-O-Y’-CH=CH-CH3 (4)
-O-Y-CH2-CH2-* (5)
(上記式中、Yは、炭素原子数3~20の2価炭化水素基であり、Y’は、炭素原子数2~19の2価炭化水素基であり、アスタリスク*は、別のヒドロキシアルキル基含有ポリシロキサン分子中のケイ素原子に直接結合する結合点を示す。)
上記式(2)で示される基の数をn2、上記式(3)で示される基の数をn3、上記式(4)で示される基の数をn4、上記式(5)で示される基の数をn5としたときに、n2>0、n3≧0、n4≧0、n5≧0、n2+n3+n4+n5≧1であり、かつ0.97<n2/(n2+n3+n4+n5)≦1.0の数である。
また、k>0、p≧0、q≧0及びr≧0の数であり、ただし、k+p+q≧2である。なお、上記括弧内に示される各シロキサン単位の結合順序は、任意である。] - 上記式(1)において、r=0である請求項1記載のヒドロキシアルキル基含有ポリシロキサン。
- 下記式(6)
(R1 3SiO1/2)k(R2 2SiO2/2)p(R2SiO3/2)q (6)
(上記式中、R2は、互いに独立して、炭素原子数1~20の1価炭化水素基である。R1、k、p及びqは、上記と同じである。)
で表されるヒドロキシアルキル基含有ポリシロキサンである請求項2記載のヒドロキシアルキル基含有ポリシロキサン。 - 下記式(7)
(R3 3SiO1/2)k(R3 2SiO2/2)p(R3SiO3/2)q(SiO4/2)r
(7)
(上記式中、R3は、互いに独立して、水素原子又は炭素原子数1~20の1価炭化水素基であるが、R3のうち、1個以上は水素原子である。k、p及びqは、上記と同じである。)
で表されるオルガノハイドロジェンポリシロキサンと、下記式(9)
CH2=CH-Y-OH (9)
(上記式(9)において、Yは、上記と同じである。)
で表されるアルケニルアルコールとを触媒の存在下でヒドロシリル化反応させる請求項1~3のいずれか1項記載のヒドロキシアルキル基含有ポリシロキサンの製造方法。
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