WO2010004948A1 - α-ヘテロ置換アルキルハロヒドロシランの製造方法およびその利用 - Google Patents
α-ヘテロ置換アルキルハロヒドロシランの製造方法およびその利用 Download PDFInfo
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- WO2010004948A1 WO2010004948A1 PCT/JP2009/062272 JP2009062272W WO2010004948A1 WO 2010004948 A1 WO2010004948 A1 WO 2010004948A1 JP 2009062272 W JP2009062272 W JP 2009062272W WO 2010004948 A1 WO2010004948 A1 WO 2010004948A1
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- polymer
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- silane compound
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- LDXXEPGDAMUDJO-UHFFFAOYSA-N n-[dimethoxy(methyl)silyl]-n-ethylethanamine Chemical compound CCN(CC)[Si](C)(OC)OC LDXXEPGDAMUDJO-UHFFFAOYSA-N 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- WIBFFTLQMKKBLZ-SEYXRHQNSA-N n-butyl oleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCCCC WIBFFTLQMKKBLZ-SEYXRHQNSA-N 0.000 description 1
- FRDNYWXDODPUJV-UHFFFAOYSA-N n-ethyl-2-methyl-3-trimethoxysilylpropan-1-amine Chemical compound CCNCC(C)C[Si](OC)(OC)OC FRDNYWXDODPUJV-UHFFFAOYSA-N 0.000 description 1
- QKXPEYXEXYIFRB-UHFFFAOYSA-N n-ethyl-n-(trichlorosilylmethyl)ethanamine Chemical compound CCN(CC)C[Si](Cl)(Cl)Cl QKXPEYXEXYIFRB-UHFFFAOYSA-N 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- PXSXRABJBXYMFT-UHFFFAOYSA-N n-hexylhexan-1-amine Chemical compound CCCCCCNCCCCCC PXSXRABJBXYMFT-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 125000002560 nitrile group Chemical group 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 229920003986 novolac Polymers 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- IIGMITQLXAGZTL-UHFFFAOYSA-N octyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCCCCCCCC IIGMITQLXAGZTL-UHFFFAOYSA-N 0.000 description 1
- GHBKQPVRPCGRAQ-UHFFFAOYSA-N octylsilicon Chemical compound CCCCCCCC[Si] GHBKQPVRPCGRAQ-UHFFFAOYSA-N 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- 125000005386 organosiloxy group Chemical group 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 125000005702 oxyalkylene group Chemical group 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- 125000006340 pentafluoro ethyl group Chemical group FC(F)(F)C(F)(F)* 0.000 description 1
- UKODFQOELJFMII-UHFFFAOYSA-N pentamethyldiethylenetriamine Chemical compound CN(C)CCN(C)CCN(C)C UKODFQOELJFMII-UHFFFAOYSA-N 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- PKELYQZIUROQSI-UHFFFAOYSA-N phosphane;platinum Chemical compound P.[Pt] PKELYQZIUROQSI-UHFFFAOYSA-N 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 150000004980 phosphorus peroxides Chemical class 0.000 description 1
- IUGYQRQAERSCNH-UHFFFAOYSA-N pivalic acid Chemical compound CC(C)(C)C(O)=O IUGYQRQAERSCNH-UHFFFAOYSA-N 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002627 poly(phosphazenes) Polymers 0.000 description 1
- 229920002589 poly(vinylethylene) polymer Polymers 0.000 description 1
- 229920006122 polyamide resin Chemical class 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920005599 polyhydrosilane Polymers 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 239000002685 polymerization catalyst Substances 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 150000008442 polyphenolic compounds Chemical class 0.000 description 1
- 235000013824 polyphenols Nutrition 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 150000004032 porphyrins Chemical class 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- HKJYVRJHDIPMQB-UHFFFAOYSA-N propan-1-olate;titanium(4+) Chemical compound CCCO[Ti](OCCC)(OCCC)OCCC HKJYVRJHDIPMQB-UHFFFAOYSA-N 0.000 description 1
- JTQPTNQXCUMDRK-UHFFFAOYSA-N propan-2-olate;titanium(2+) Chemical compound CC(C)O[Ti]OC(C)C JTQPTNQXCUMDRK-UHFFFAOYSA-N 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- AOHJOMMDDJHIJH-UHFFFAOYSA-N propylenediamine Chemical compound CC(N)CN AOHJOMMDDJHIJH-UHFFFAOYSA-N 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000012763 reinforcing filler Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 150000003873 salicylate salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 125000005372 silanol group Chemical group 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- ACECBHHKGNTVPB-UHFFFAOYSA-N silylformic acid Chemical class OC([SiH3])=O ACECBHHKGNTVPB-UHFFFAOYSA-N 0.000 description 1
- MEYKIINCQGWFEQ-UHFFFAOYSA-N silylmethyl carbamate Chemical compound C(N)(OC[SiH3])=O MEYKIINCQGWFEQ-UHFFFAOYSA-N 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000012419 sodium bis(2-methoxyethoxy)aluminum hydride Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000008117 stearic acid 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
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000006557 surface reaction Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000001302 tertiary amino group Chemical group 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 description 1
- DPKBAXPHAYBPRL-UHFFFAOYSA-M tetrabutylazanium;iodide Chemical compound [I-].CCCC[N+](CCCC)(CCCC)CCCC DPKBAXPHAYBPRL-UHFFFAOYSA-M 0.000 description 1
- RKHXQBLJXBGEKF-UHFFFAOYSA-M tetrabutylphosphanium;bromide Chemical compound [Br-].CCCC[P+](CCCC)(CCCC)CCCC RKHXQBLJXBGEKF-UHFFFAOYSA-M 0.000 description 1
- IBWGNZVCJVLSHB-UHFFFAOYSA-M tetrabutylphosphanium;chloride Chemical compound [Cl-].CCCC[P+](CCCC)(CCCC)CCCC IBWGNZVCJVLSHB-UHFFFAOYSA-M 0.000 description 1
- YMBCJWGVCUEGHA-UHFFFAOYSA-M tetraethylammonium chloride Chemical compound [Cl-].CC[N+](CC)(CC)CC YMBCJWGVCUEGHA-UHFFFAOYSA-M 0.000 description 1
- 239000012974 tin catalyst Substances 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- IRPUCAVSATXZQW-UHFFFAOYSA-N tribromo-[(1-bromocyclohexa-2,4-dien-1-yl)methyl]silane Chemical compound Br[Si](Br)(Br)CC1(Br)CC=CC=C1 IRPUCAVSATXZQW-UHFFFAOYSA-N 0.000 description 1
- ISEIIPDWJVGTQS-UHFFFAOYSA-N tributylsilicon Chemical compound CCCC[Si](CCCC)CCCC ISEIIPDWJVGTQS-UHFFFAOYSA-N 0.000 description 1
- ULEFMIBQUGNENM-UHFFFAOYSA-N trichloro(ethoxymethyl)silane Chemical compound CCOC[Si](Cl)(Cl)Cl ULEFMIBQUGNENM-UHFFFAOYSA-N 0.000 description 1
- BCZMHLQQANKEBO-UHFFFAOYSA-N trichloro(methoxymethyl)silane Chemical compound COC[Si](Cl)(Cl)Cl BCZMHLQQANKEBO-UHFFFAOYSA-N 0.000 description 1
- DXAFLZQVNXIPRV-UHFFFAOYSA-N trichloro(piperidin-1-ylmethyl)silane Chemical compound Cl[Si](Cl)(Cl)CN1CCCCC1 DXAFLZQVNXIPRV-UHFFFAOYSA-N 0.000 description 1
- YWUUHVWMPSPGQO-UHFFFAOYSA-N trichloro(trichloromethyl)silane Chemical compound ClC(Cl)(Cl)[Si](Cl)(Cl)Cl YWUUHVWMPSPGQO-UHFFFAOYSA-N 0.000 description 1
- FAQYAMRNWDIXMY-UHFFFAOYSA-N trichloroborane Chemical compound ClB(Cl)Cl FAQYAMRNWDIXMY-UHFFFAOYSA-N 0.000 description 1
- QNUNGEBLKJZTRW-UHFFFAOYSA-N trichlorosilylmethanethiol Chemical compound SC[Si](Cl)(Cl)Cl QNUNGEBLKJZTRW-UHFFFAOYSA-N 0.000 description 1
- BDZBKCUKTQZUTL-UHFFFAOYSA-N triethyl phosphite Chemical compound CCOP(OCC)OCC BDZBKCUKTQZUTL-UHFFFAOYSA-N 0.000 description 1
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-N triflic acid Chemical compound OS(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-N 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- IMZUFUFGAVTNKR-UHFFFAOYSA-N triiodo(iodomethyl)silane Chemical compound IC[Si](I)(I)I IMZUFUFGAVTNKR-UHFFFAOYSA-N 0.000 description 1
- RKBCYCFRFCNLTO-UHFFFAOYSA-N triisopropylamine Chemical compound CC(C)N(C(C)C)C(C)C RKBCYCFRFCNLTO-UHFFFAOYSA-N 0.000 description 1
- ARCGXLSVLAOJQL-UHFFFAOYSA-N trimellitic acid Chemical class OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 1
- PZJJKWKADRNWSW-UHFFFAOYSA-N trimethoxysilicon Chemical group CO[Si](OC)OC PZJJKWKADRNWSW-UHFFFAOYSA-N 0.000 description 1
- MQAYPFVXSPHGJM-UHFFFAOYSA-M trimethyl(phenyl)azanium;chloride Chemical compound [Cl-].C[N+](C)(C)C1=CC=CC=C1 MQAYPFVXSPHGJM-UHFFFAOYSA-M 0.000 description 1
- HYWCXWRMUZYRPH-UHFFFAOYSA-N trimethyl(prop-2-enyl)silane Chemical compound C[Si](C)(C)CC=C HYWCXWRMUZYRPH-UHFFFAOYSA-N 0.000 description 1
- SZYJELPVAFJOGJ-UHFFFAOYSA-N trimethylamine hydrochloride Chemical group Cl.CN(C)C SZYJELPVAFJOGJ-UHFFFAOYSA-N 0.000 description 1
- AAPLIUHOKVUFCC-UHFFFAOYSA-N trimethylsilanol Chemical compound C[Si](C)(C)O AAPLIUHOKVUFCC-UHFFFAOYSA-N 0.000 description 1
- SJHCUXCOGGKFAI-UHFFFAOYSA-N tripropan-2-yl phosphite Chemical compound CC(C)OP(OC(C)C)OC(C)C SJHCUXCOGGKFAI-UHFFFAOYSA-N 0.000 description 1
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- XAASNKQYFKTYTR-UHFFFAOYSA-N tris(trimethylsilyloxy)silicon Chemical compound C[Si](C)(C)O[Si](O[Si](C)(C)C)O[Si](C)(C)C XAASNKQYFKTYTR-UHFFFAOYSA-N 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 235000014692 zinc oxide Nutrition 0.000 description 1
- 150000003755 zirconium compounds Chemical class 0.000 description 1
- DUNKXUFBGCUVQW-UHFFFAOYSA-J zirconium tetrachloride Chemical compound Cl[Zr](Cl)(Cl)Cl DUNKXUFBGCUVQW-UHFFFAOYSA-J 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
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/12—Organo silicon halides
- C07F7/121—Preparation or treatment not provided for in C07F7/14, C07F7/16 or C07F7/20
- C07F7/126—Preparation or treatment not provided for in C07F7/14, C07F7/16 or C07F7/20 by reactions involving the formation of Si-Y linkages, where Y is not a carbon or halogen atom
-
- 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
- C08F8/00—Chemical modification by after-treatment
- C08F8/42—Introducing metal atoms or metal-containing 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/336—Polymers modified by chemical after-treatment with organic compounds containing silicon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
Definitions
- the present invention relates to a method for producing an organohalohydrosilane having a hetero substituent at the ⁇ -position of silicon, an organoalkoxyhydrosilane and a reactive silicon group-containing polymer using the same.
- each R 1 is independently a hydrogen atom or a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms.
- Each R 2 is independently a substituted or unsubstituted carbon atom having 1 carbon atom.
- each a is .
- X hydrocarbon group independently of 20, a halogen atom .Y halogen atom, -OR 3, -NR 4 R 5 , -N R 6, -SR 7 (R 3, R 4 , R 5 and R 7 are each a hydrogen atom or a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms, and R 6 is a divalent substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms.
- a group selected from a perfluoroalkyl group having 1 to 20 carbon atoms and a cyano group (hereinafter, these may be collectively referred to as a hetero substituent), a is 1 or 2, b is one of 1, 2, 3; Is 1 or 0, and a + c does not exceed 2.
- the halohydrosilane compound (A) represented by formula (A) has a halogen substituent, a hydrosilyl group, and a hetero substituent at the ⁇ -position on silicon.
- a unique silane compound having a hydrocarbon group hereinafter sometimes referred to as a heteromethyl group).
- the halogen substituent is a hydrolyzable group, can generate silanol by hydrolysis, and can form a siloxane bond by silanol condensation reaction.
- the hydrosilyl group not only acts as a hydrolyzable group, but can be added to an olefin or the like by a hydrosilylation reaction.
- the heteromethyl group, which is another substituent is a halomethyl group such as a chloromethyl group, it can be used as a Grignard reagent by reacting with magnesium metal, or another substituent can be obtained by a nucleophilic substitution reaction. It has the characteristic that it can be converted into.
- the induction effect due to the difference in electronegativity between the hetero substituent and the carbon atom also affects other substituents on the silicon, resulting in hydrolyzability.
- An effect of improving the reactivity of the group may be obtained.
- halohydrosilane compound (A) An example of the use of this halohydrosilane compound (A) is to add a halohydrosilane compound (A) to a polymer having a vinyl group by a hydrosilylation reaction to obtain a reactive silicon group-containing polymer.
- a reactive silicon group-containing polymer forms a siloxane bond when a reactive silicon group reacts with moisture or the like, and thereby the polymer is crosslinked. Thus, it has a property that a cured product can be obtained.
- the reactive silicon group-containing polymer obtained using the halohydrosilane compound (A) can be expected to exhibit high activity.
- the halohydrosilane compound (A) has both a halogen substituent and a hydrosilyl group on silicon.
- a method for producing such a silane compound having both a halogen substituent and a hydrosilyl group (halohydrosilane) on silicon E. G. According to the direct method (Non-patent Document 1) by Rochow et al. (HSiCH 3 Cl 2 , HSi (CH 3 ) 2 Cl, etc.), or a method for producing HSiCl 3 obtained by reacting metal silicon with hydrogen chloride as a starting material Is mentioned.
- Patent Document 3 a partial chlorination method of polyhydrosilane (referred to as method (3)) has been proposed in (Patent Document 3).
- method (3) a partial chlorination method of polyhydrosilane
- the number of steps is increased, for example, the organotrichlorosilane is hydrolyzed once and then chlorinated again, which is disadvantageous for industrialization.
- An object of the present invention is to provide a method for producing a heteromethyl group-containing halohydrosilane in a high yield by a safe and industrially advantageous method. Furthermore, the present invention provides a method for industrially advantageously producing a polymer having a heteromethyl group-substituted reactive silyl group.
- each R 1 is independently a hydrogen atom or a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms.
- Each R 2 is independently a substituted or unsubstituted carbon atom having 1 carbon atom.
- X is independently a halogen atom
- Y is a halogen atom
- —OR 3 —NR 4 R 5 , —N ⁇ R 6 , —SR 7
- R 3 , R 4 , R 5 and R 7 are each a hydrogen atom or a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms
- R 6 is a divalent substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms.
- the monohydrosilane compound (C1) is represented by the general formula (3): H-SiR 8 g Z 3-g (3) (Wherein, in each R 8 independently represents a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms or R 9 3 SiO- (R 9 are each independently, a substituted or from 1 to 20 carbon atoms in the An unsubstituted hydrocarbon group.)
- Z is a group independently selected from a halogen atom, an alkoxy group, and an aryloxy group, and g is any one of 1, 2, and 3.
- the hydrosilane compound (C) has the general formula (4): H d SiR 10 e R 11 4- de (4) Wherein R 10 is independently a substituted or unsubstituted aromatic hydrocarbon group, and R 11 is independently a substituted or unsubstituted aliphatic hydrocarbon group having 1 to 20 carbon atoms, a halogen atom, or an alkoxy group.
- a group selected from aryloxy groups, d is 1, 2, or 3, e is 1, 2, or 3, and the sum of d and e does not exceed 4.
- R 13 is independently a hydrogen atom or a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms. Z is each independently a hydroxyl group or a hydrolyzable group.
- the main chain skeleton of the polymer (H) is at least one organic polymer selected from the group consisting of a polyoxyalkylene polymer, a saturated hydrocarbon polymer, and a (meth) acrylate polymer.
- the method for producing silane of the present invention is safe and suitable for industrialization.
- the reactive silicon group-containing polymer produced using this silane exhibits excellent curability while using a non-tin catalyst.
- (I) Heteromethyl group-containing halohydrosilane compound The present invention is represented by the general formula (1): H-SiR 2 c (CR 1 3-b Y b ) a X 3-ac (1) (Wherein, R 1 each independently, .R 2 is a hydrogen atom or a hydrocarbon group substituted or unsubstituted carbon atom number of 1 to 20 are each independently, several substituted or unsubstituted carbon atoms of 1 To X.
- X is independently a halogen atom
- Y is a halogen atom
- —OR 3 —NR 4 R 5 , —N ⁇ R 6 , —SR 7
- R 3 , R 4 , R 5 and R 7 are each a hydrogen atom or a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms
- R 6 is a divalent substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms.
- That halo hydrosilane compounds relates to a method for producing the (A), in the formula (2): SiR 2 c (CR 1 3-b Y b ) a X 4-ac (2) (Wherein R 1 , R 2 , X, Y, a, b, and c are the same as above), and the halosilane compound (B) represented by the reaction with the hydrosilane compound (C). This reaction is sometimes called redistribution reaction or leveling reaction.
- the halohydrosilane compound (A) of the general formula (1) is a hydrocarbon group having a substituent Y on the carbon atom at the 1-position together with a hydrosilyl group and a halogen group (hereinafter sometimes referred to as “heteromethyl group”). It is characterized by having.
- X consists of halogen substituents such as fluorine, chlorine, bromine and iodine, but chlorine is preferred from the viewpoint of availability of raw materials. When there are two or more X, they may be the same or different.
- Y include halogen substituents of fluorine, chlorine, bromine and iodine; alkoxy groups such as methoxy group, ethoxy group, isopropenoxy group and phenoxy group; diethylamino group, 1-piperidino group and methylethylketimino group A nitrogen-based substituent of the above; a sulfur-based substituent such as a mercapto group or a methylthio group; a perfluoroalkyl group such as a trifluoromethyl group or a pentafluoroethyl group; a cyano group, but not limited thereto.
- a halogen substituent, an alkoxy group, and a nitrogen-based substituent are preferable, a halogen substituent is more preferable, and chlorine is particularly preferable.
- substituent R 1 examples include, but are not limited to, a hydrogen atom, a methyl group, an ethyl group, a vinyl group, and a phenyl group.
- a hydrogen atom is preferable because it is less affected by steric hindrance and is easily available.
- substituent R 2 examples include, but are not limited to, a methyl group, an ethyl group, a vinyl group, and a phenyl group. Of these, a methyl group is preferred because it is less affected by steric hindrance and is readily available.
- A is 1 or 2, but 1 is more preferable in terms of availability.
- B is one of 1, 2, and 3, but 1 is more preferable from the viewpoint of easy introduction of Y and availability of halosilane (B).
- C is 0 or 1, but 0 is more preferable in terms of availability.
- halohydrosilane (A) obtained by the method for producing a silane compound of the present invention include chloromethyldichlorosilane (HSi (CH 2 Cl) Cl 2 ) and dichloromethyldichlorosilane (HSi (CHCl 2 ) Cl 2.
- halosilane compound (B) used in the method for producing a silane compound of the present invention include chloromethyltrichlorosilane (Si (CH 2 Cl) Cl 3 ) and dichloromethyltrichlorosilane (Si (CHCl 2 ) Cl 3.
- chloromethyltrichlorosilane dichloromethyltrichlorosilane, chloromethylmethyldichlorosilane, 1-chloroethyltrichlorosilane, and bromomethyltribromosilane are more preferable, and chloromethyltrichlorosilane is particularly preferable.
- the hydrosilane compound (C) used in the method for producing a silane compound of the present invention is not particularly limited, and various Si—H-containing compounds can be used.
- Specific examples of the hydrosilane (C) include organomonohydrosilanes such as diethylmethylsilane, triethylsilane, phenyldimethylsilane, tripropylsilane, diphenylmethylsilane, triphenylsilane, and trihexylsilane; phenylmethylsilane, diphenylsilane 1,1,3,3-tetramethyldisiloxane, 1,1,3,3-tetramethyldisilazane and other organodihydrosilanes; phenylsilane, octylsilane and other organotrihydrosilanes; chlorodimethylsilane, dichloromethylsilane Hydrosilanes containing hydrolyzable groups such as dimethoxy
- Hydrosilane (C) is used to selectively replace one Si—H group of halosilane (B) with one Si—H, but not only monohydrolysates but also dihydrolysates and trihydross are formed. (Side reaction (1)). Further, there is a case where the ⁇ -position hetero substituent of halosilane (B) is substituted (reduced) with a hydro group (side reaction (2)). To illustrate the side reaction, for the purpose of obtaining chloromethyldichlorosilane (ClCH 2 SiCl 2 H) using chloromethyltrichlorosilane (ClCH 2 SiCl 3 ), side reaction (1) causes chloromethylchlorosilane (ClCH 2 SiClH 2).
- Chloromethylsilane (ClCH 2 SiH 3 ) may be obtained.
- methyltrichlorosilane (CH 3 SiCl 3 ), methyldichlorosilane (CH 3 SiCl 2 H), or the like may be obtained.
- a monohydrosilane compound (C1) having only one hydro group on one silicon atom as the hydrosilane (C).
- hydrosilane (C1) include chlorodimethylsilane, ethoxydimethylsilane, dichloromethylsilane (HSi (CH 3 ) Cl 2 ), dimethoxymethylsilane, diethylmethylsilane, triethylsilane, tripropylsilane, Dichlorophenylsilane, phenyldimethylsilane, diphenylmethylsilane, 1,1,3,3-tetramethyldisiloxane, 1,1,3,3-tetramethyldisilazane, 1,1,3,3,5,5-hexa Examples include, but are not limited to, methyltrisiloxane, D4H, D5H, and H oil.
- dichloromethylsilane triethylsilane, phenyldimethylsilane, D4H, and H oil are preferable because of their high activity, and dichloromethylsilane is particularly preferable in terms of availability.
- each R 8 is independently a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms, or R 9 3 SiO— (wherein R 9 is independently substituted or substituted with 1 to 20 carbon atoms) An unsubstituted hydrocarbon group.)
- Z is a group independently selected from a halogen atom, an alkoxy group, and an aryloxy group, and g is any one of 1, 2, and 3.
- the monohydrosilane compound (C1) represented by is preferable because the side reaction (1) can be easily suppressed.
- Specific examples include triethylsilane, tripropylsilane, tributylsilane, trihexylsilane, phenyldimethylsilane, diphenylmethylsilane, 1,1,1,3,5,5,5-heptamethyltrisiloxane, tris (trimethyl Siloxy) silane and the like, but are not limited thereto.
- triethylsilane and phenyldimethylsilane are preferable because they are easy to handle.
- hydrosilane (C) since there exists a tendency for high reactivity to be obtained, as hydrosilane (C), general formula (4): H d SiR 10 e R 11 4- de (4) Wherein R 10 is independently a substituted or unsubstituted aromatic hydrocarbon group, and R 11 is independently a substituted or unsubstituted aliphatic hydrocarbon group having 1 to 20 carbon atoms, a halogen atom, or an alkoxy group. , A group selected from aryloxy groups, d is 1, 2, or 3, e is 1, 2, or 3, and the sum of d and e does not exceed 4. It is preferable to use an arylhydrosilane compound (C2) represented by.
- aryl hydrosilane (C2) phenylsilane, chlorophenyl silane (C 6 H 5 SiClH 2) , dichlorophenyl silane (C 6 H 5 SiCl 2 H ), phenylmethyl silane, phenyl dimethyl silane, diphenyl silane, diphenyl Examples include, but are not limited to, methylsilane, triphenylsilane, and trifurylsilane.
- D is preferably 1 from the viewpoint that the desired halohydrosilane (A) is easily obtained selectively. Since e tends to provide high reactivity, e is preferably 1 or 2.
- dichloromethylsilane phenylsilane, diphenylsilane, triethylsilane, phenyldimethylsilane, diphenylmethylsilane, D4H, and H oil.
- Dichloromethylsilane is particularly preferred because it is available at low cost and has high reactivity.
- Phenyldimethylsilane is particularly preferable because it has high reactivity, can easily control side reactions, and can obtain halohydrosilane (A) in a high yield.
- the hydrosilane (C) used in the method for producing a silane compound of the present invention has a boiling point difference between the obtained halohydrosilane (A) and the halosilane compound (C ′) in which the hydrosilane (C) by-produced by the reaction is halogenated. It is preferably 4 ° C. or higher, more preferably 10 ° C. or higher, and particularly preferably 15 ° C. or higher. Moreover, it is preferable that the boiling point of hydrosilane (C) is 40 degreeC or more. When the boiling point is low, the reaction temperature cannot be raised sufficiently, the reaction does not proceed sufficiently, and the reaction time tends to be long. Further, halosilane (C ′) preferably has a higher boiling point than halohydrosilane (A). This is because the halohydrosilane (A) can be easily purified.
- hydrosilane (B ′) in which the halogen substituent X of halosilane (B) is substituted with hydrogen is used as hydrosilane (C)
- the type of reaction mixture obtained is reduced and purification becomes easier.
- Product yield may also be improved. For example, reacting chloromethyltrichlorosilane and chloromethyltrihydrosilane.
- the amount of hydrosilane (C) used is preferably such that the amount of Si—H contained in hydrosilane (C) is 0.1 to 5 molar equivalents relative to halosilane (B), and 0.5 to 3 It is more preferably a molar equivalent, and particularly preferably 0.8 to 1.2 molar equivalent. If the amount of hydrosilane (C) used is small, the amount of halohydrosilane (A) obtained will be small. Moreover, when there is much usage-amount of hydrosilane (C), the production amount of the by-product by a side reaction will increase, and the yield of halohydrosilane (A) may fall.
- a catalyst (D) is used in the reaction of the halosilane (B) and hydrosilane (C) of the present invention.
- the catalyst (D) include tetrabutylammonium fluoride, tetrabutylammonium chloride, tetrabutylammonium bromide, tetrabutylammonium iodide, tributylmethylammonium chloride, tetraethylammonium chloride, benzyltributylammonium chloride, and benzyl chloride.
- Halogenated quaternary ammonium salts such as trimethylammonium chloride, phenyltrimethylammonium chloride, and methyltrioctylammonium chloride; quaternary phosphonium salts such as tetrabutylphosphonium chloride and tetrabutylphosphonium bromide; tripropylamine, triisopropylamine, tributylamine , Tertiary amines such as octyldimethylamine and triphenylamine; Amberlyst A21 (manufactured by Organo Corporation), Diaion WA30 (Mitsubishi) Weakly basic anion exchange resin such as Amberlite IRA900JCL (manufactured by Organo Corporation), Diaion SA10A (manufactured by Mitsubishi Chemical Corporation), etc .; Amber List 15 Strongly acidic cation exchange resins such as JS-HG (manufactured by Organo Corporation), Diaion PK216, Diaion
- quaternary ammonium salts and quaternary phosphonium salts are often dissolved in silane compounds and become homogeneous, and are more preferable from the viewpoint of catalytic activity, and tetrabutylammonium chloride and tributylmethylammonium chloride are more preferable. . From the viewpoint of availability, tributylmethylammonium chloride is particularly preferable.
- a homogeneous catalyst is used as the catalyst (D), it is preferably used in the range of 1 to 0.001 molar equivalents relative to the halosilane compound (B), and 0.5 to 0.005 molar equivalents. More preferred is 0.3 to 0.007 molar equivalent. If it is less than this range, the reaction may take time or the reaction may not proceed at all. If it is more than this range, the selectivity of the reaction may be lowered, which is economically disadvantageous.
- a solid catalyst such as an ion exchange resin is advantageous in that the catalyst can be easily removed after the reaction, side reactions can be easily controlled, and repeated use is easy.
- the functional group possessed by the weakly basic anion exchange resin include substituted or unsubstituted amino groups such as amino groups and dimethylamino groups.
- the functional group possessed by the strongly basic anion exchange resin include a trimethylammonium chloride group (—N (CH 3 ) 3 + Cl ⁇ ).
- Examples of the functional group possessed by the strongly acidic cation exchange resin include a sulfonic acid group (—SO 3 H) and a sulfonic acid sodium salt (—SO 3 Na).
- a weakly basic anion exchange resin having a substituted amino group such as a dimethylamino group as a functional group such as Amberlyst A21 and Diaion WA30 is more preferable because of its high activity, and Amberlyst A21 is particularly preferable.
- the amount used is not particularly limited, but is preferably 0.01 g or more per 1 mmol of the halosilane compound (B).
- the temperature during the reaction is not particularly specified, but is preferably in the range of 20 ° C to 110 ° C, more preferably 50 ° C to 100 ° C.
- the reaction temperature is lower than this range, the progress of the reaction tends to be slow.
- reaction temperature becomes higher than this range, while the reactivity will improve, there exists a tendency for the production
- the yield of the target halohydrosilane (A) decreases.
- the unreacted halosilane (B) and the dihydro form or trihydro form obtained by the side reaction (1) can be reused as a reaction raw material or can be reused relatively easily by halogenation.
- the ⁇ -position reduced product produced in the side reaction (2) is difficult to reuse, and the molecular weight is the same as that of the target halohydrosilane (A), so that the halohydrosilane (A) is purified. May be difficult. Therefore, in the production method of the present invention, it is preferable to suppress the side reaction (2) as much as possible.
- the ratio of the total amount of (K) to the total amount of products derived from halosilane (B) and halosilane (B) is interrupted before the value exceeds a certain value, thereby reducing the yield of halohydrosilane (A). Can be suppressed.
- the proportion of the total amount of silane (K) in the total amount of halosilane (B) and the product derived from halosilane (B) is preferably interrupted before exceeding 30%, more preferably before exceeding 15%.
- the reaction tracking method is not particularly limited, and various GC measurements and various NMR measurements can be used. Since the molecular weight of halohydrosilane (A) and silane (K) may be the same, 1 HNMR measurement is effective.
- the reaction time is preferably 10 minutes or more and less than 24 hours, more preferably 0.5 hours or more and less than 5 hours, and more preferably 0.5 hours or more. Less than 3 hours is particularly preferred.
- reaction is preferably carried out under conditions with little water, and the reaction is preferably carried out in an atmosphere of dry air, nitrogen, argon or the like. It is also preferable to use an apparatus capable of maintaining the drying conditions not only in a reaction vessel such as a glove box but also when handling raw materials and during storage.
- the by-produced halosilane (C ′) can be regenerated to hydrosilane (C) by another reaction and used again for production.
- hydrogenation method hydrogen reduction, hydride reduction, redistribution with hydrosilane, and the like can be used.
- the halohydrosilane (A) produced according to the present invention can be used for hydrosilylation reaction using Si—H, hydrolysis, condensation reaction using Si—X, and the like.
- Si-X can be further converted into other hydrolyzable silyl groups such as alkoxysilyl groups, aminosilyl groups and the like.
- the heteromethyl group of halohydrosilane (A) can be utilized for conversion to other substituents, and the reactivity of the hydrolyzable group on silicon can be increased.
- halohydrosilane (A) A reactive silicon group-containing compound having high hydrolyzability is obtained by adding halohydrosilane (A) to an unsaturated group-containing compound by a hydrosilylation reaction.
- halohydrosilane (A) chloromethyldichlorosilane is added to allyl chloride by hydrosilylation to give 3-chloropropyl (chloromethyl) dichlorosilane.
- This can be used as a raw material for so-called silane coupling agents and silane coupling agents having both a hydrolyzable silicon group and other reactive groups.
- the silane coupling agent thus obtained is considered to exhibit higher hydrolyzability by having a heteromethyl group on silicon.
- the unsaturated group-containing compound may be a high molecular weight compound.
- a reactive silicon group-containing organic polymer having very high reactivity is obtained. Furthermore, the handleability is improved by alkoxylating Si—X of the obtained polymer.
- the hydrolyzable silicon group-containing compound obtained in the same manner as in (1) is converted to a siloxane compound by hydrolysis and condensation reaction, and then the halomethyl group is converted to the desired substituent by nucleophilic substitution reaction, etc.
- a chloromethyl group can be converted to a diethylaminomethyl group.
- the obtained silane compound has improved handleability and can be used in a hydrosilylation reaction.
- halosilane and alcohol are reacted.
- acid HX is by-produced together with alkoxysilane.
- Si—H bond such as halohydrosilane (A)
- this by-product HX is mixed in the generated alkoxysilane and is difficult to remove.
- the Si—H bond may be alkoxylated.
- Alcohol (F) is not particularly limited, but methanol, ethanol, 1-propanol, 2-propanol, phenol and the like are preferably used. When the alcohol (F) is reacted, if water is mixed, the halohydrosilane (A) tends to condense, and the yield of the target silane compound (E) decreases. It is preferable to use alcohol.
- the alcohol (F) of the present invention may be generated in the reaction system using a compound capable of generating an alcohol by reaction.
- a compound capable of generating an alcohol by reaction such as trimethyl orthoformate, triethyl orthoformate, trimethyl orthoacetate, triethyl orthoacetate and the like, which generate methanol by reaction with acid and water
- trialkyl phosphite such as trimethyl phosphite
- Examples include an acetal compound, an alkyl ester compound that generates an alcohol by hydrolysis with an acid or an alkali, and an alkoxysilane.
- Trialkyl orthocarboxylate and trialkyl phosphite are also used as an acid scavenger (G) described later.
- the amount of alcohol used is preferably 1.0 to 2.0 molar equivalents, more preferably 1.02 to 1.5 molar equivalents relative to Si—X of the halohydrosilane (A), and 1.05 to 1. Two molar equivalents are particularly preferred.
- the amount of alcohol used is small, alkoxylation does not proceed sufficiently. Further, when the amount of alcohol used is large, not only is it disadvantageous economically, but a side reaction in which Si—H of the resulting alkoxyhydrosilane (E) is alkoxylated easily occurs.
- the addition of alcohol may be divided in small amounts, but the total amount used is preferably in the above range.
- acid scavengers weakly basic compounds such as pyridine and triethylamine are generally known. However, in the present invention, for the same reason as described above, there is a tendency that Si—H is easily decomposed even with such a weak base. Therefore, in the present invention, a neutral compound is preferably used as the acid scavenger (G). Any neutral compound having acid scavenging ability can be used without particular limitation, and specific examples include trialkyl orthocarboxylate, trialkyl phosphite, epoxy group-containing compound, urea and the like.
- the trialkyl orthocarboxylate has the general formula (9): R 14 -C (OR 12 ) 3 (9)
- each R 12 is independently a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms.
- Each R 14 is independently a hydrogen atom or a substituted or unsubstituted carbon atom having 1 carbon atom.
- To 20 hydrocarbon groups which reacts with acid HX generated under the reaction conditions of halohydrosilane (A) and alcohol (F) to produce alcohol (R 12 OH), An alkyl halide (XR 12 ) and an alkyl carboxylate (R 14 —CO 2 R 12 ) are produced.
- the trialkyl orthocarboxylate is not particularly limited, and trimethyl orthoformate, triethyl orthoformate, trimethyl orthoacetate, triethyl orthoacetate and the like can be suitably used.
- By-products resulting from this reaction are all highly volatile and easy to remove.
- an alkoxy group ortho carboxylic acid trialkyl used (OR 12) is preferably a structure corresponding to the alcohol (F). This is because the purity of the alkoxyhydrosilane (E) increases.
- trialkyl orthocarboxylate reacts with an acid to produce an alcohol and can also be used as the component (F) of the present invention. That is, the alkoxyhydrosilane compound (E) can be produced by reacting the halohydrosilane (A) with the trialkyl orthocarboxylate. This method is advantageous both economically and industrially and is preferable.
- the trialkyl phosphite has the general formula (10): P (OR 12 ) 3 (10) (Wherein R 12 is the same as above) and reacts with acid HX generated under the reaction conditions of halohydrosilane (B) and alcohol (F) to produce an alkyl halide (XR 12 ) to produce a dialkyl phosphite.
- the trialkyl phosphite is not particularly limited, and trimethyl phosphite, triethyl phosphite, triisopropyl phosphite, tris phosphite (2-ethylhexyl) and the like can be preferably used.
- alkoxylation of halohydrosilane (A) is carried out by using only trialkyl orthocarboxylate or trialkyl phosphite without using alcohol (F), Obtainable. At this time, when the alkoxylation does not proceed completely, the reactivity can be improved by adding a small amount of alcohol (F) and the alkoxylation can be completed.
- the epoxy group-containing compound is captured by ring-opening addition of the acid HX generated under the reaction conditions of the halohydrosilane (A) and the alcohol (F) to the epoxy ring.
- the epoxy group-containing compound is not particularly limited, and examples thereof include compounds such as epoxidized unsaturated fats and oils, epoxidized unsaturated fatty acid esters, alicyclic epoxy compounds, epichlorohydrin derivatives, and mixtures thereof. More specifically, epoxidized soybean oil, epoxidized linseed oil, bis (2-ethylhexyl) -4,5-epoxycyclohexane-1,2-dicarboxylate (E-PS), epoxy octyl stearate And epoxybutyl stearate. From the viewpoint of the safety of the adduct, the epoxy group-containing compound is preferably a non-volatile or high boiling point compound. Epoxidized soybean oil is particularly preferred because of its availability and ease of handling.
- trialkyl orthocarboxylate As the acid scavenger (G). Trimethyl orthoformate, triethyl orthoformate, It is particularly preferable to use trimethyl orthoacetate or triethyl orthoacetate.
- the amount of the acid scavenger (G) used is less than this range, the acid HX cannot be sufficiently captured, and the reaction may not proceed, or the alkoxyhydrosilane compound may be decomposed by the remaining HX.
- the amount of the acid scavenger used is more than this range, an undesirable side reaction occurs or it is economically disadvantageous.
- a solvent can be used.
- the reaction can be controlled.
- a solvent An aliphatic hydrocarbon, aromatic hydrocarbon, alicyclic hydrocarbon, halogenated hydrocarbon, alcohol, ester, ketone, ether etc. are mention
- the reaction temperature in the process for producing the silane compound (E) of the present invention is not particularly limited, but is preferably in the range of ⁇ 78 ° C. to 110 ° C., more preferably ⁇ 20 ° C. to 70 ° C., and particularly preferably 0 ° C. to 50 ° C. preferable.
- the reaction time is preferably 10 minutes or more and less than 24 hours, and more preferably 0.5 hours or more and less than 5 hours.
- chloromethyldimethoxysilane, chloromethyldiethoxysilane, chloromethyldiisopropenoxysilane, chloromethylmethoxymethylsilane, bis (chloromethyl) methoxysilane, 1-chloroethyldimethoxysilane, methoxymethyldimethoxysilane are preferable, and chloromethyldimethoxysilane, chloromethyldiethoxysilane, and methoxymethyldimethoxysilane are more preferable.
- a reactive silicon group-containing compound having high hydrolyzability is obtained by adding an alkoxyhydrosilane compound (E) to an unsaturated group-containing compound by a hydrosilylation reaction.
- chloromethyldimethoxysilane is added to allyl chloride by hydrosilylation to give 3-chloropropyl (chloromethyl) dimethoxysilane.
- This can be used as a raw material for so-called silane coupling agents and silane coupling agents having both a hydrolyzable silicon group and other reactive groups.
- the silane coupling agent thus obtained is considered to exhibit higher hydrolyzability by having a heteromethyl group on silicon.
- the unsaturated group-containing compound may be a high molecular weight compound.
- the alkoxyhydrosilane compound (E) produced according to the present invention for introduction of the reactive silicon group of the reactive silicon group-containing organic polymer described in JP-A-52-73998.
- a reactive silicon group-containing organic polymer having very high reactivity and good handleability can be obtained.
- the hydrolyzable silicon group-containing compound obtained in the same manner as in (1) is converted to a siloxane compound by hydrolysis and condensation reaction, and then the halomethyl group is converted to the desired substituent by nucleophilic substitution reaction, etc. (For example, a chloromethyl group can be converted to a diethylaminomethyl group).
- the reactive silicon group-containing polymer (H) obtained by using halohydrosilane (A) or alkoxyhydrosilane (E) has the general formula (6): —CHR 13 CR 13 2 —SiR 2 c (CR 1 3-b Y b ) a Z 3-ac (6) (Wherein R 1 , R 2 , Y, a, b and c are the same as above.
- R 13 is independently a hydrogen atom or a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms.
- Each Z independently represents a hydroxyl group or a hydrolyzable group) and has an average of one or more groups per molecule.
- This group is one of so-called reactive silicon groups that form a siloxane bond with a silanol condensation catalyst.
- the polymer (H) is characterized by being crosslinked and cured by moisture.
- the polymer (H) is characterized by having a heteromethyl group on the silyl group.
- this silyl group may be referred to as a “heteromethyl type reactive silicon group”.
- the polymer (H) has a heteromethyl type reactive silicon group, so that the polymer (H) has a reactive silicon group having an unsubstituted hydrocarbon group such as a methyl group (for example, a dimethoxymethylsilyl group). Shows fast curability.
- the polymer (H) has a heteromethyl type reactive silicon group bonded to the polymer main chain through a carbon-silicon bond
- a cured product obtained from the polymer (H) is described in WO2008 / 053875. Compared to a cured product obtained from a reactive silicon group-containing polymer that is bonded to the main chain with an oxygen-silicon bond, it can be expected to exhibit characteristics that are more resistant to deterioration.
- Z in the general formula (6) represents a hydrolyzable group or a hydroxyl group.
- the hydrolyzable group is not particularly limited and may be a known group, such as a halogen atom represented by X in formula (1); a hydrogen atom, an alkoxy group, an aryloxy group, an alkenyloxy group, an acyloxy group, or a ketoximate group Amino group, amide group, acid amide group, aminooxy group, mercapto group and the like.
- halogen atoms, alkoxy groups, alkenyloxy groups, and aryloxy groups are preferred because of their high activity.
- a chlorine atom and an alkoxy group are preferable because they can be easily introduced.
- Alkoxy groups such as a methoxy group and an ethoxy group are more preferable because the hydrolyzability is mild and easy to handle, and a methoxy group and an ethoxy group are particularly preferable.
- the ethoxy group and the isopropenoxy group are preferably removed from the reaction by ethanol and acetone, respectively, from the viewpoint of safety.
- the number of substituents Z is 1 or 2. It is preferable to have two hydrolyzable groups and two hydroxyl groups, since fast curability is easy to obtain and the resulting cured product exhibits good rubber elasticity. Hydrolyzable groups other than the halogen atom shown here can be introduced by substituting the halogen atom.
- the conversion from the halogen atom to other hydrolyzable groups may be performed by converting X of the halohydrosilane (A) in advance, or by converting the halohydrosilane (A) after hydrosilylation of the polymer. Also good.
- heteromethyl type reactive silicon group of the polymer (H) of the present invention include chloromethylmethoxymethylsilyl group, bis (chloromethyl) methoxysilyl group, bis (chloromethyl) ethoxysilyl group, chloromethyl Dichlorosilyl group, chloromethyldimethoxysilyl group, chloromethyldiethoxysilyl group, chloromethyldiisopropenoxysilyl group, dichloromethyldimethoxysilyl group, 1-chloroethyldimethoxysilyl group, 1-bromobenzyldimethoxysilyl group, methoxymethyl Dimethoxysilyl group, methoxymethyldiethoxysilyl group, ethoxymethyldiethoxysilyl group, aminomethyldimethoxysilyl group, dimethylaminomethyldimethoxysilyl group, diethylaminomethyldimethoxysilyl group, diethylaminomethyl Ethoxy sily
- chloromethyldimethoxysilyl group, chloromethyldiethoxysilyl group, methoxymethyldimethoxysilyl group, methoxymethyldiethoxysilyl group, and diethylaminomethyldiethoxysilyl group have high activity, and chloromethyldimethoxysilyl group, diethylamino A methyldimethoxysilyl group is particularly preferred. Further, a chloromethyldimethoxysilyl group and a methoxymethyldimethoxysilyl group are more preferable because of easy introduction.
- a reactive silicon group having only one hydrolyzable group is generally low in reactivity. For example, even if a polymer having a methoxydimethylsilyl group is allowed to react with an organotin silanol condensation catalyst, the reaction hardly proceeds and no increase in molecular weight is seen. On the other hand, since the silicon group of the polymer (H) of the present invention is activated by a heteromethyl group, the reaction can proceed even with only one hydrolyzable group such as a chloromethylmethoxymethylsilyl group. Can be expected.
- R 13 in the general formula (6) examples include a hydrogen atom, a methyl group, an ethyl group, and a phenyl group, but are not particularly limited.
- R 13 is preferably a hydrogen atom because the influence of the steric hindrance on the activity of the reactive silicon group is small.
- the polymer (H) has a heteromethyl type reactive silicon group as an essential component, but may have a reactive silicon group as shown in the general formula (14) described later.
- the main chain skeleton of the polymer (H) is not particularly limited, and those having various main chain skeletons can be used.
- Polyoxyalkylene polymers such as oxyethylene-polyoxypropylene copolymers and polyoxypropylene-polyoxybutylene copolymers
- ethylene-propylene copolymers polyisobutylene, copolymers of isobutylene and isoprene
- Hydrocarbon polymers such as hydrogenated polyolefin polymers
- Polysiloxane polymers such as polydiorganosiloxane can also be used.
- saturated hydrocarbon polymers such as polyisobutylene, hydrogenated polyisoprene, and hydrogenated polybutadiene, polyoxyalkylene polymers, (meth) acrylate polymers, and polysiloxane polymers are relatively glass.
- a cured product obtained when the transition temperature is low and used as a curable composition is preferable because of its excellent cold resistance.
- (meth) acrylate means acrylate and / or methacrylate in this specification.
- the polymer (H) may be linear or branched, and its number average molecular weight is 3,000 to 100,000, more preferably 3,000 to 50,000 in terms of polystyrene in GPC. Particularly preferred is 3,000 to 30,000. If the number average molecular weight is less than 3,000, the cured product tends to be inconvenient in terms of elongation characteristics, and if it exceeds 100,000, the viscosity tends to be inconvenient because of high viscosity.
- the molecular weight distribution of the polymer (H) is not particularly limited, but is preferably narrow, preferably less than 2.00, more preferably 1.60 or less, and particularly preferably 1.40 or less. As the molecular weight distribution increases, the viscosity tends to increase, and therefore workability tends to deteriorate.
- the glass transition temperature of the polymer (H) is not particularly limited, but is preferably 20 ° C. or lower, more preferably 0 ° C. or lower, and particularly preferably ⁇ 20 ° C. or lower.
- the glass transition temperature can be determined by DSC measurement according to the measurement method specified in JISK7121.
- Organic polymers such as saturated hydrocarbon polymers, polyoxyalkylene polymers, and (meth) acrylic ester polymers are used as adhesive groups for low molecular weight components when used as a base polymer for adhesives and sealants. It is preferable because there is little contamination due to transfer to materials.
- Polyoxyalkylene polymers and (meth) acrylic acid ester polymers are preferred because they have high moisture permeability and are excellent in deep part curability and further in adhesion when made into one-component compositions.
- An oxyalkylene polymer is particularly preferable.
- the method for introducing the reactive silicon group is not particularly limited, and a known method can be used. For example, the following methods can be mentioned.
- B A method in which the polymer (I) is reacted with a compound having a mercapto group and a heteromethyl type reactive silicon group.
- the method (a) is preferable because the reaction proceeds with high efficiency and the number of steps is small, which is advantageous for industrialization.
- hydrosilane compound (L) used in the method (a) include, but are not limited to, the halohydrosilane (A) and the alkoxyhydrosilane (E) described above.
- chloromethyldichlorosilane, chloromethyldimethoxysilane, chloromethyldiethoxysilane, and methoxymethyldimethoxysilane are more preferable from the viewpoint of availability, and chloromethyldichlorosilane is particularly preferable.
- Alkoxy silanes such as chloromethyldimethoxysilane, chloromethyldiethoxysilane, and methoxymethyldimethoxysilane are more preferred because there are few side reactions during the reaction.
- the amount of halohydrosilane (A) and / or alkoxyhydrosilane (E) used is such that the molar ratio of unsaturated groups in polymer (I) (number of moles of hydrosilane / number of moles of unsaturated groups) is 0.05. To 10 are preferable from the viewpoint of reactivity, and 0.3 to 2 are more preferable from the viewpoint of economy.
- the hydrosilylation reaction of the method is accelerated by various catalysts.
- the hydrosilylation catalyst known catalysts such as various complexes such as cobalt, nickel, iridium, platinum, palladium, rhodium, and ruthenium may be used.
- platinum supported on a carrier such as alumina, silica, carbon black, chloroplatinic acid, chloroplatinic acid complex, platinum-olefin complex, platinum-vinylsiloxane complex, platinum-phosphine complex, platinum-phosphite complex, etc.
- a platinum catalyst such as chloroplatinic acid or a platinum vinylsiloxane complex.
- the temperature conditions for the silylation reaction are not particularly limited, but the reaction is preferably carried out under heating conditions for the purpose of reducing the viscosity of the reaction system or improving the reactivity, and the reaction is carried out in the range of 50 ° C to 150 ° C. Is more preferable, and 70 to 120 ° C. is particularly preferable. If the reaction time is longer than necessary, the polymer main chain may deteriorate, and it is preferable to adjust the reaction time together with the temperature. Although the temperature and reaction time are affected by the main chain structure of the polymer (I) to be produced, it is preferably terminated within 5 hours from the viewpoint of increasing the efficiency of the production process, and more preferably within 3 hours. preferable.
- the heteromethyl group on silicon of the polymer (H) of the present invention can be converted to another heteromethyl group by a substitution reaction.
- a halomethyl group such as a chloromethyl group is preferable because it can be easily substituted.
- the polymer (H) exhibits high activity, the viscosity is likely to increase, and the storage stability tends to be difficult to control. For example, if the polymer (H) is stored for a long time after production, the viscosity may increase.
- the storage stability of the polymer (H) is improved by using trialkyl orthocarboxylate and / or trialkyl phosphite during hydrosilylation. can do.
- a polymer having a reactive silicon group such as methyldimethoxysilyl group shows good storage stability without using trialkyl orthocarboxylate or trialkyl phosphite during hydrosilylation.
- the amount of trialkyl orthocarboxylate and / or trialkyl phosphite used during silylation for improving the storage stability of the polymer (H) is based on 100 parts by weight of the polymer (I) having an unsaturated group. 0.1 to 50 parts by weight, preferably 0.1 to 30 parts by weight. If the amount used is small, the effects of the present invention cannot be obtained sufficiently, and the viscosity may increase during storage. Moreover, if there is too much usage-amount, it will be economically disadvantageous, and the work amount of a removal process will increase.
- the polyoxyalkylene polymer essentially has the general formula (12): -R 15 -O- (12) Is a polymer having a repeating unit described (wherein, R 15 is a linear or branched alkylene group having 14 from 1 carbon atoms.), R 15 is 2 to 4, linear Or a branched alkylene group is more preferable.
- R 15 is a linear or branched alkylene group having 14 from 1 carbon atoms.
- R 15 is 2 to 4
- linear Or a branched alkylene group is more preferable.
- the main chain skeleton of the polyoxyalkylene polymer may be composed of only one type of repeating unit, or may be composed of two or more types of repeating units.
- a polymer composed mainly of a propylene oxide polymer is preferable because it is amorphous or has a relatively low viscosity.
- the method for synthesizing the polyoxyalkylene polymer is not particularly limited.
- a polymerization method using an alkali catalyst such as KOH, an organoaluminum compound disclosed in JP-A-61-215623, and porphyrin are used.
- Polymerization method using transition metal compound-porphyrin complex catalyst such as complex obtained by reaction, JP-B-46-27250, JP-B-59-15336, US Pat. No. 3,278,457, US Pat. No. 3,278,458, US Pat. No. 3,278,459, US Polymerization method using double metal cyanide complex catalyst as disclosed in Japanese Patent No. 3427256, US Pat. No. 3,427,334, US Pat. No.
- the saturated hydrocarbon polymer is a polymer that does not substantially contain a carbon-carbon unsaturated bond other than an aromatic ring, and the polymer constituting the skeleton thereof is (1) ethylene, propylene, 1-butene, isobutylene, etc. (2) A homopolymerization of a diene compound such as butadiene or isoprene, or a copolymerization with the olefin compound. Thereafter, it can be obtained by a method of hydrogenation.
- isobutylene-based polymers and hydrogenated polybutadiene-based polymers are preferred because they are easy to introduce functional groups at the ends, easy to control the molecular weight, and can increase the number of terminal functional groups.
- An isobutylene polymer is more preferable.
- Those whose main chain skeleton is a saturated hydrocarbon polymer have characteristics of excellent heat resistance, weather resistance, durability, and moisture barrier properties.
- all of the repeating units may be formed from isobutylene units, or may be a copolymer with other repeating units (monomers).
- the repeating units are derived from isobutylene. Those having 50% by weight or more of units are preferred, those having 80% by weight or more are more preferred, and those having 90 to 99% by weight are particularly preferred.
- the method for synthesizing the saturated hydrocarbon polymer is not particularly limited, and various conventionally reported polymerization methods can be mentioned, but the living polymerization method that has been reported in many recent years is particularly preferable.
- saturated hydrocarbon polymers particularly isobutylene polymers, inifer polymerization found by Kennedy et al. (JP Kennedy et al., J. Polymer Sci., Polymer Chem. Ed. 1997, 15), page 2843), and can be polymerized with a molecular weight of about 500 to 100,000 with a molecular weight distribution of 1.5 or less, and various functional groups can be introduced at the molecular ends. It has been.
- (meth) acrylic acid ester type monomer which comprises the principal chain of the said (meth) acrylic acid ester type polymer
- (meth) acrylic acid for example, (meth) acrylic acid, ( Methyl) methacrylate, isopropyl (meth) acrylate, n-butyl (meth) acrylate, tert-butyl (meth) acrylate, n-hexyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, ( Phenyl (meth) acrylate, 2-methoxyethyl (meth) acrylate, 2-hydroxyethyl (meth) acrylate, stearyl (meth) acrylate, glycidyl (meth) acrylate, ⁇ - (methacryloyloxypropyl) trimethoxysilane , ⁇ - (methacryloyloxypropyl) dimethoxy
- the (meth) acrylic acid ester polymer may be a polymer obtained by copolymerizing a (meth) acrylic acid ester monomer and a vinyl monomer copolymerizable therewith.
- the vinyl monomer is not particularly limited.
- styrene monomers such as styrene, ⁇ -methylstyrene, chlorostyrene, styrenesulfonic acid and salts thereof; fluorine-containing compounds such as perfluoroethylene, perfluoropropylene and vinylidene fluoride.
- Vinyl monomers silicon-containing vinyl monomers such as vinyltrimethoxysilane and vinyltriethoxysilane; maleic anhydride, maleic acid, monoalkyl esters and dialkyl esters of maleic acid; fumaric acid, monoalkyl esters and dialkyl esters of fumaric acid
- Maleimide monomers such as maleimide, butylmaleimide and phenylmaleimide
- nitrile group-containing vinyl monomers such as acrylonitrile and methacrylonitrile
- vinyl ester monomers such as vinyl acetate
- alkenyl monomers such as ethylene and propylene
- conjugated diene monomers such as butadiene and isoprene
- vinyl chloride, vinylidene chloride, allyl chloride, and allyl alcohol These can also be used as a copolymerization component.
- a copolymer composed of a styrene monomer and a (meth) acrylic acid monomer is preferable because of its excellent physical properties.
- a (meth) acrylic acid ester polymer composed of an acid ester monomer is more preferred, and an acrylic acid ester polymer composed of an acrylic acid ester monomer is particularly preferred.
- the butyl acrylate system is required from the viewpoint of physical properties such as low viscosity of the compound, low modulus of the cured product, high elongation, weather resistance, and heat resistance.
- a butyl acrylate polymer comprising a monomer is preferred.
- the copolymer which has ethyl acrylate as a main component is preferable.
- Polymers made of ethyl acrylate are excellent in oil resistance but may be slightly inferior in low-temperature properties (cold resistance), so in order to improve low-temperature properties, it is possible to replace part of ethyl acrylate with butyl acrylate. Is possible. However, as the ratio of butyl acrylate is increased, its good oil resistance is impaired. Therefore, for applications requiring oil resistance, the ratio is preferably 40% or less, and more preferably 30% or less. More preferably. It is also preferable to use 2-methoxyethyl acrylate or 2-ethoxyethyl acrylate in which oxygen is introduced into the side chain alkyl group in order to improve low temperature characteristics without impairing oil resistance.
- the ratio is preferably 40% or less.
- required physical properties such as oil resistance, heat resistance and low temperature characteristics.
- examples of excellent balance of physical properties such as oil resistance, heat resistance, and low temperature characteristics include ethyl acrylate / butyl acrylate / 2-methoxyethyl acrylate (by weight ratio of 40-50 / 20- 30/30 to 20).
- these preferred monomers may be copolymerized with other monomers, and further block copolymerized, and in that case, these preferred monomers are preferably contained in a weight ratio of 40% or more. .
- the method for synthesizing the (meth) acrylic acid ester-based polymer is not particularly limited, and examples thereof include known methods.
- a polymer obtained by a normal free radical polymerization method using an azo compound or a peroxide as a polymerization initiator has a problem that the molecular weight distribution is generally as large as 2 or more and the viscosity is increased. Yes. Therefore, in order to obtain a (meth) acrylate polymer having a narrow molecular weight distribution and a low viscosity and having a crosslinkable functional group at the molecular chain terminal at a high ratio. It is preferable to use a living radical polymerization method.
- the “atom transfer radical polymerization method” in which a (meth) acrylate monomer is polymerized using an organic halide or a sulfonyl halide compound as an initiator and a transition metal complex as a catalyst, In addition to the characteristics of the “Living Radical Polymerization Method”, it has a specific functional group because it has a halogen, which is relatively advantageous for functional group conversion reaction, at the end, and has a high degree of freedom in designing initiators and catalysts.
- the method for producing a (meth) acrylic acid ester polymer is more preferable.
- Examples of the atom transfer radical polymerization method include Matyjazewski et al., Journal of American Chemical Society (J. Am. Chem. Soc.) 1995, 117, 5614.
- polymers (H) composed of various main chain skeletons may be used alone or in combination of two or more different main chain skeletons.
- the main chain skeleton of the polymer (H) may contain other components such as a urethane bond component as long as the effects of the present invention are not significantly impaired.
- the urethane bond component is not particularly limited, and examples thereof include a group (hereinafter also referred to as an amide segment) generated by a reaction between an isocyanate group and an active hydrogen group.
- the amide segment has the general formula (13): —NR 16 (C ⁇ O) — (13) (R 16 represents a hydrogen atom or a substituted or unsubstituted organic group).
- the amide segment described in the general formula (10) is not particularly limited.
- a functional group having an amide bond such as a thiourethane group produced by reaction with a group, and a group produced by further reacting an active hydrogen in the urethane group, urea group and thiourethane group with an isocyanate group are listed. It is done.
- a cured product obtained by curing a curable composition comprising a polymer containing a urethane bond or an ester bond in the main chain may cleave the main chain at the urethane bond or ester bond part due to heat, etc., and the strength of the cured product May be significantly reduced.
- the viscosity of the polymer tends to increase. Moreover, a viscosity may rise after storage, and workability
- the average number of amide segments per molecule is preferably 1 to 10, more preferably 1.5 to 5, and more preferably 2 to 3 Particularly preferred. When the number is less than 1, the curability may not be sufficient. When the number is more than 10, the polymer may have a high viscosity and may be difficult to handle.
- the curable composition of the present invention essentially comprises the polymer (H) as a moisture curable polymer component, but if necessary, in addition to the polymer (H), the general formula (14): -SiR 17 3-e Z e (14) (In the formula, Z is the same as above.
- R 17 is each independently a hydrocarbon group having 1 to 20 carbon atoms, or R 18 3 SiO— (R 18 is independently each having 1 to 20 carbon atoms.
- an organosiloxy group described in (1), e is any one of 1, 2, and 3.
- the reactive silicon groups described in (1) above are averaged per molecule.
- the polymer (M) having one or more may be included.
- the reactive silicon group described in the general formula (14) is not particularly limited, and examples thereof include a trimethoxysilyl group, a triethoxysilyl group, a triisopropoxysilyl group, a triisopropenoxy group, a dimethoxymethylsilyl group, a dimethoxy group, and a dimethoxymethylsilyl group. Examples thereof include ethoxymethylsilyl group, diisopropoxymethylsilyl group, methoxydimethylsilyl group and ethoxydimethylsilyl group.
- the reactive silicon groups contained in the polymer (M) may all be the same or two or more may be mixed.
- the main chain skeleton of the polymer (M) and the method for synthesizing the same can be explained in the same manner as the polymer (H).
- the polymer (H) For more details, refer to the section of the polymer (A) in WO2006 / 051799. .
- the polymer (H) and the polymer (M) can be mixed and used at an arbitrary ratio, and the ratio of the mixture can be selected from the viewpoints of curing speed, stability, cost, and the like. .
- the polymer (H) and the polymer (M) may be of the same type or different types with respect to the main chain skeleton, but are preferably compatible with each other.
- the curable composition of the present invention has a silanol condensation catalyst (J) as a constituent component.
- the silanol condensation catalyst (J) plays a role of accelerating the reaction of hydrolyzing and condensing the reactive silicon groups of the polymer (H) and the polymer (M), thereby giving a cured product.
- the silanol condensation catalyst (J) may be referred to as a curing catalyst (J).
- the silanol condensation catalyst (J) is not particularly limited, and examples thereof include known catalysts such as organic tin compounds, carboxylic acid metal salts, amine compounds, carboxylic acids, alkoxy metals, inorganic acids and the like.
- the curing catalyst does not substantially contain an organic tin-based catalyst, and a non-organic tin-based compound is used.
- the amine compound (J1) is preferable because the polymer (H) can be cured in a very short time while being a non-organotin catalyst.
- the amine compound (J1) is not particularly limited, and examples thereof include aliphatic primary compounds such as propylamine, isopropylamine, butylamine, hexylamine, octylamine, 2-ethylhexylamine, laurylamine, stearylamine, and cyclohexylamine.
- Aliphatic secondary amines such as diethylamine, diisopropylamine, dibutylamine and dihexylamine; Aliphatic tertiary amines such as triethylamine, tributylamine and trioctylamine; Aliphatic amines such as allylamine and oleylamine Saturated amines; aromatic amines such as aniline and triphenylamine; pyridine, 2-aminopyridine, 2- (dimethylamino) pyridine, 4- (dimethylaminopyridine), 2-hydroxypyridine, imidazole N-methylmorpholine, piperidine, 1,2-dimethyl-1,4,5,6-tetrahydropyrimidine, 1,8-diazabicyclo (5,4,0) undecene-7 (DBU), 6- (dibutylamino)- 1,8-diazabicyclo (5,4,0) undecene-7 (DBA-DBU), 1,5-diazabicyl
- R 19 N CR 19 -NR 19 2
- R 19 is independently a hydrogen atom or a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms, and each R 19 may be linked
- the catalyst activity is high and preferable.
- Specific examples include, but are not limited to, 1,2-dimethyl-1,4,5,6-tetrahydropyrimidine, DBU, DBA-DBU, DBN, and the like. DBU and DBN are more preferable because of their high availability and ease of handling.
- R 20 N ⁇ C (NR 20 2 ) 2 (16) (Wherein R 20 is each independently a hydrogen atom or a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms, and each R 20 may be linked).
- High catalytic activity is preferable. Specific examples include, but are not limited to, guanidine, phenylguanidine, 1-tolylguanidine, diphenylguanidine, and the like.
- phenylguanidine and tolylguanidine, in which one of R 20 is an aryl group are preferred because they have a high activity and tend to give a composition having good adhesion.
- each R 21 is independently a hydrogen atom or a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms, and each R 21 may be linked.
- High catalytic activity is preferable. Specific examples include, but are not limited to, butyl biguanide, 1-o-tolyl biguanide, 1-phenyl biguanide, and the like. In particular, 1-o-tolylbiguanide is preferable because it has good availability and no bleed or precipitate is observed on the surface of the cured product.
- alkylamines having 5 to 20 carbon atoms are preferably used, and alkylamines having 6 to 15 carbon atoms are more preferable.
- the number of carbon atoms is less than 5, it tends to volatilize and the odor tends to increase.
- the number of carbon atoms is larger than 15, it tends to be solid at room temperature and may not act effectively as a catalyst.
- Octylamine, 2-ethylhexylamine, laurylamine, and 3-diethylaminopropylamine are preferable because they are easily available.
- an amino group-containing silane coupling agent (hereinafter sometimes referred to as aminosilane) can be used as the amine compound used in the curing catalyst (J).
- Aminosilane is a compound having a hydrolyzable silicon group and a substituted or unsubstituted amino group.
- the substituent of the substituted amino group is not particularly limited, and examples thereof include an alkyl group, an aralkyl group, and an aryl group.
- the hydrolysable silicon group described in the term of the polymer (H) or (M) can be mention
- a silicon group having an alkoxy group such as a methoxy group or an ethoxy group as a hydrolyzable group is preferable because of its mild hydrolyzability and easy handling.
- the number of hydrolyzable groups bonded to silicon atoms in aminosilane is preferably 2 or more, particularly 3 or more.
- the compound is not particularly limited.
- aminosilanes having an amino group are preferable from the viewpoint of curability, and ⁇ -aminopropyltrimethoxysilane, ⁇ -aminopropyltriethoxysilane, and ⁇ -aminopropylmethyl are preferable from the viewpoint of availability. Dimethoxysilane and ⁇ - (2-aminoethyl) aminopropyltrimethoxysilane are preferred.
- ketimine compound that generates the amine compound by hydrolysis can be used as the curing catalyst (J).
- Examples of the curing catalyst (J) other than the amine compound (J1) include 2-ethylhexanoic acid, stearic acid, oleic acid, pivalic acid, 2,2-dimethylbutyric acid, 2,2-dimethylhexanoic acid, 2,2 -Carboxylic acids such as dimethyloctanoic acid, 2-ethyl-2,5-dimethylhexanoic acid, neodecanoic acid, versatic acid; derivatives of the above carboxylic acids (carboxylic anhydrides, esters, amides, nitriles, acyl chlorides); Carboxylic acid metal salts such as tin oxide, bismuth carboxylate, titanium carboxylate, zirconium carboxylate, hafnium carboxylate, iron carboxylate; tetrabutyl titanate, tetrapropyl titanate, titanium tetrakis (acetylacetonate), bis (acetylacetona
- the amount of the organic tin compound used is preferably 5 parts by weight or less, and 0.5 parts by weight or less with respect to 100 parts by weight of the total amount of the polymer (H) and the polymer (M). Is more preferable, 0.05 parts by weight or less is still more preferable, it is particularly preferable that it is not substantially contained, and it is most preferable that it is not included.
- substantially no organotin catalyst means that the content of the organotin compound used as the curing catalyst (J) is the sum of the polymer (H) and the polymer (M). It means 0.01 parts by weight or less with respect to 100 parts by weight.
- the curing catalyst (J) two or more different types of catalysts may be used in combination.
- the amine compound (J1) and a carboxylic acid in combination, an effect of improving curability is obtained. There is a possibility that.
- the use amount of the curing catalyst (J) is preferably 0.001 to 20 parts by weight, and more preferably 0.01 to 15 parts by weight with respect to 100 parts by weight of the total amount of the polymer (H) and the polymer (M). Part is more preferable, and 0.01 to 10 parts by weight is particularly preferable. If the blending amount of the curing catalyst (J) is less than 0.001 part by weight, the curing rate may be insufficient, and the curing reaction may not proceed sufficiently. On the other hand, when the blending amount of the curing catalyst (J) exceeds 20 parts by weight, the curing rate is too fast, and the workable time is deteriorated due to the shortened time in which the curable composition can be used, and the storage stability is degraded. Tend.
- the curing catalyst (J) after the curable composition is cured, it may ooze out on the surface of the cured product or contaminate the cured product surface.
- the amount of the curing catalyst (J) used is 0.01 to 1.0 in such a case.
- an adhesiveness imparting agent such as a silane coupling agent can be added as necessary.
- aminosilane also exhibits a function as a curing catalyst (J), and specific examples include aminosilane exemplified in the section of curing catalyst (J).
- aminosilane may be used in an amount more than the necessary amount as a curing catalyst.
- the silane coupling agent other than aminosilane is not particularly limited.
- isocyanate silanes such as ⁇ -isocyanatopropyltrimethoxysilane and (isocyanatemethyl) trimethoxysilane; methyl 3-trimethoxysilylpropylcarbamate, methyl trimethoxy Carbamate silanes such as silylmethyl carbamate; Ketimine silanes such as N- (1,3-dimethylbutylidene) -3- (triethoxysilyl) -1-propanamine; ⁇ -mercaptopropyltrimethoxysilane, mercaptomethyl Mercaptosilanes such as triethoxysilane; Epoxysilanes such as ⁇ -glycidoxypropyltrimethoxysilane; Carboxysilanes such as ⁇ -carboxyethyltriethoxysilane; Vinyl-type unsaturated group-containing silanes such as xysi
- the amount of the silane coupling agent used in the present invention is preferably 0.01 to 20 parts by weight with respect to 100 parts by weight of the total amount of the polymer (H) and the polymer (M).
- epoxy resins other than the silane coupling agent epoxy resins other than the silane coupling agent, phenol resins, sulfur, alkyl titanates, aromatic polyisocyanates, and the like can be used.
- a filler can be added depending on the application.
- the filler is not particularly limited, and includes reinforcing fillers such as fume silica, precipitated silica, crystalline silica, fused silica, dolomite, anhydrous silicic acid, hydrous silicic acid, and carbon black; heavy calcium carbonate, Collagen calcium carbonate, magnesium carbonate, diatomaceous earth, calcined clay, clay, talc, titanium oxide, bentonite, organic bentonite, ferric oxide, aluminum fine powder, flint powder, zinc oxide, activated zinc white, shirasu balloon, glass microballoon And organic micro-balloons of phenol resin and vinylidene chloride resin, fillers such as resin powders such as PVC powder and PMMA powders; fibrous fillers such as glass fibers and filaments, scaly substances, and particulate substances.
- the amount used is preferably 1 to 250 parts by weight
- the cured product can form irregularities on the surface and improve the design.
- JP-A-2001-115142 discloses preferred diameters, blending amounts, materials, and the like of the cured sealant particles.
- silicates such as tetramethoxysilane, tetraethoxysilane and partial hydrolysis condensates thereof can be added to the cured composition of the present invention as necessary.
- the amount used is preferably 0.1 to 20 parts by weight, preferably 0.5 to 10 parts by weight based on 100 parts by weight of the total amount of the polymer (H) and the polymer (M). Part is more preferred.
- a plasticizer can be added to the curable composition of the present invention as necessary.
- the plasticizer is not particularly limited.
- phthalates such as dioctyl phthalate and diisodecyl phthalate
- non-aromatic dibasic esters such as dimethyl adipate
- aliphatic esters such as butyl oleate
- phosphorus Acid esters Trimellitic acid esters
- Chlorinated paraffins Hydrocarbon oils
- Process oils Epoxy plasticizers.
- polymer plasticizer examples include vinyl polymers; esters of polyalkylene glycol; polyester plasticizers; polyether polyols such as polypropylene glycol having a molecular weight of 500 or more, and further 1000 or more; polystyrenes; polybutadiene, Polyisobutylene can also be used.
- the number average molecular weight of the polymer plasticizer is preferably 500 to 15000.
- the polymer plasticizer when the polymer plasticizer has a reactive silicon group, it acts as a reactive plasticizer and can prevent the plasticizer from transferring from the cured product.
- the amount of the plasticizer used is preferably 5 to 150 parts by weight with respect to 100 parts by weight of the total amount of the polymer (H) and the polymer (M).
- a tackifier can be added to the curable composition of the present invention as necessary. Although it does not specifically limit as tackifier, Well-known thing can be used regardless of solid and liquid at normal temperature, for example, a styrene-type block copolymer, its hydrogenated substance, a phenol resin, a modified phenol resin (For example, cashew oil-modified phenol resin, tall oil-modified phenol resin, etc.), terpene phenol resin, xylene-phenol resin, cyclopentadiene-phenol resin, coumarone indene resin, rosin resin, rosin ester resin, hydrogenated rosin ester resin , Xylene resin, low molecular weight polystyrene resin, styrene copolymer resin, petroleum resin (for example, C5 hydrocarbon resin, C9 hydrocarbon resin, C5C9 hydrocarbon copolymer resin, etc.), hydrogenated petroleum resin, terpene resin, DCPD
- resin petroleum resin for example,
- a physical property modifier that adjusts the tensile properties of the cured product to be produced can be added as necessary.
- a physical property modifier For example, alkoxy silanes, such as methyltrimethoxysilane, dimethyldimethoxysilane, methyltriisopropenoxysilane, vinyltrimethoxysilane; Silicone varnish; Polysiloxane etc. are mention
- a compound that generates a compound having a monovalent silanol group in the molecule by hydrolysis has an action of reducing the modulus of the cured product without deteriorating the stickiness of the surface of the cured product.
- Particularly preferred are compounds that produce trimethylsilanol.
- the physical property modifier is preferably used in the range of 0.1 to 20 parts by weight with respect to 100 parts by weight of the total amount of the polymer (H) and the polymer (M).
- a thixotropic agent can be added to the curable composition of the present invention.
- the anti-sagging agent is not particularly limited, and examples thereof include polyamide waxes; hydrogenated castor oil derivatives; metal soaps such as calcium stearate and aluminum stearate; rubber powder having a particle size of 10 to 500 ⁇ m; and organic fibers.
- the thixotropic agent is used in the range of 0.1 to 20 parts by weight with respect to 100 parts by weight of the total amount of the polymer (H) and the polymer (M).
- a compound having an epoxy group in one molecule can be added as necessary.
- the compound having an epoxy group is not particularly limited, and examples thereof include compounds such as epoxidized unsaturated fats and oils, epoxidized unsaturated fatty acid esters, alicyclic epoxy compounds, epichlorohydrin derivatives, and mixtures thereof.
- the epoxy compound is preferably used in the range of 0.5 to 50 parts by weight with respect to 100 parts by weight of the total amount of the polymer (H) and the polymer (M).
- the photocurable material can be added to the curable composition of the present invention as necessary.
- the photocurable substance is not particularly limited, and examples thereof include known compounds composed of organic monomers, oligomers, resins or compositions containing them.
- the photo-curable substance is preferably used in the range of 0.1 to 20 parts by weight with respect to 100 parts by weight of the total amount of the polymer (H) and the polymer (M).
- the oxygen curable substance can be added to the curable composition of the present invention as necessary.
- the oxygen curable substance is not particularly limited, and examples thereof include dry oils typified by drill oil and linseed oil, and various alkyd resins; acrylic polymers modified with dry oils, epoxy resins, and silicon resins; Liquid polymers such as 1,2-polybutadiene, 1,4-polybutadiene, and C5-C8 diene polymers obtained by polymerizing or copolymerizing diene compounds such as butadiene, chloroprene, and isoprene; and these diene compounds Examples thereof include liquid copolymers such as NBR and SBR obtained by copolymerizing monomers such as acrylonitrile and styrene having a copolymerization property so that the main component is a diene compound.
- dry oils typified by drill oil and linseed oil, and various alkyd resins
- the amount of the oxygen curable substance used is preferably in the range of 0.1 to 20 parts by weight with respect to 100 parts by weight of the total amount of the polymer (H) and the polymer (M).
- antioxidant antioxidant
- the antioxidant is not particularly limited, and examples thereof include hindered phenol, monophenol, bisphenol, and polyphenol antioxidants.
- the amount of the antioxidant used is preferably in the range of 0.1 to 10 parts by weight with respect to 100 parts by weight of the total amount of the polymer (H) and the polymer (M).
- a light stabilizer can be added to the curable composition of the present invention as necessary.
- the light stabilizer include benzotriazole, hindered amine, and benzoate compounds.
- the light stabilizer is preferably used in a range of 0.1 to 10 parts by weight with respect to 100 parts by weight of the total amount of the polymer (H) and the polymer (M).
- An ultraviolet absorber can be added to the curable composition of the present invention as necessary.
- the ultraviolet absorber is not particularly limited, and examples thereof include benzophenone series, benzotriazole series, salicylate series, substituted tolyl series and metal chelate series compounds.
- the amount of the ultraviolet absorber used is preferably in the range of 0.1 to 10 parts by weight with respect to 100 parts by weight of the total amount of the polymer (H) and the polymer (M).
- an epoxy resin can be added to the curable composition of the present invention.
- the epoxy resin is not particularly limited.
- epichlorohydrin-bisphenol A type epoxy resin epichlorohydrin-bisphenol F type epoxy resin, novolac type epoxy resin, hydrogenated bisphenol A type epoxy resin, various alicyclic epoxy resins, N, N-diglycidyl aniline, N, N-diglycidyl-o-toluidine, triglycidyl isocyanurate, polyalkylene glycol diglycidyl ether, glycidyl ether of polyhydric alcohol such as glycerin, hydantoin type epoxy resin, petroleum resin Examples of the combined epoxidized product.
- the total amount of the polymer (H) and the polymer (M) is 1 with respect to 100 parts by weight of the epoxy resin. It is recommended to use up to 100 parts by weight.
- 1 to 200 parts by weight of an epoxy resin is preferably used with respect to 100 parts by weight of the total amount of the polymer (H) and the polymer (M).
- curing agent for epoxy resins can be used, for example, primary, secondary and tertiary amines, salts of tertiary amines, ketimines, polyamide resin Imidazoles, dicyandiamides, boron trifluoride complex compounds, carboxylic anhydrides, alcohols, phenols, carboxylic acids, aluminum or zirconium diketone complex compounds.
- various additives may be added as necessary for the purpose of adjusting various physical properties of the curable composition or the cured product.
- additives include, for example, curability regulators, radical inhibitors, metal deactivators, ozone degradation inhibitors, phosphorus peroxide decomposers, lubricants, pigments, foaming agents, and anti-anticides. , Fungicides, flame retardants, solvents, diluents and the like. These various additives may be used alone or in combination of two or more.
- the curable composition of the present invention can also be prepared as a one-component type in which all the blended components are pre-blended and sealed and cured by moisture in the air after construction. It is also possible to prepare a two-component type in which components such as a plasticizer and water are blended and the compounding material and the polymer composition are mixed before use. From the viewpoint of workability, a one-component type is preferable.
- the curable composition When the curable composition is of a one-component type, all the ingredients are pre-blended, so the water-containing ingredients are dehydrated and dried before use, or dehydrated during decompression or the like during compounding and kneading. Is preferred.
- the curable composition When the curable composition is a two-component type, it is not necessary to add a curing catalyst to the main component containing a polymer having a reactive silicon group, so gelation is possible even if some moisture is contained in the compounding agent. However, when long-term storage stability is required, dehydration and drying are preferable.
- a heat drying method is preferable for solid materials such as powder, and a dehydration method using a reduced pressure dehydration method or a synthetic zeolite, activated alumina, silica gel, quicklime, magnesium oxide or the like is preferable for a liquid material. is there. Further, an oxazolidine compound such as 3-ethyl-2-methyl-2- (3-methylbutyl) -1,3-oxazolidine may be blended and reacted with water for dehydration.
- the storage stability is further improved by adding lower alcohols such as methanol and ethanol; and alkoxysilane compounds such as vinyltrimethoxysilane, methylsilicate, and ⁇ -glycidoxypropyltrimethoxysilane. .
- the amount of the silicon compound capable of reacting with water is 0.1 to 20 parts by weight with respect to 100 parts by weight of the total amount of the polymer (H) and the polymer (M). preferable.
- the method for preparing the curable composition of the present invention is not particularly limited.
- the components described above are blended and kneaded using a mixer, roll, kneader, or the like at room temperature or under heating, or a small amount of a suitable solvent is used. Ordinary methods such as dissolving and mixing the components may be employed.
- the curable composition of the present invention When the curable composition of the present invention is exposed to the atmosphere, it forms a three-dimensional network structure by the action of moisture, and is cured into a solid having rubbery elasticity.
- the curable composition of the present invention is a pressure-sensitive adhesive, a sealing material for buildings, ships, automobiles, roads, etc., an adhesive, a mold preparation, a vibration-proof material, a vibration-damping material, a sound-proof material, a foam material, a paint, and a spray material. Can be used for etc. Since the cured product obtained by curing the curable composition of the present invention is excellent in flexibility and adhesiveness, among these, it is more preferable to use it as a sealing material or an adhesive.
- electrical and electronic parts materials such as solar cell backside sealing materials, electrical insulation materials such as insulation coating materials for electric wires and cables, elastic adhesives, contact type adhesives, spray type sealing materials, crack repair materials, and tiles
- Adhesives powder paints, casting materials, medical rubber materials, medical adhesives, medical device sealing materials, food packaging materials, sealing materials for joints of exterior materials such as sizing boards, coating materials, primers, electromagnetic wave shielding
- Conductive materials thermal conductive materials, hot melt materials, potting agents for electrical and electronic use, films, gaskets, various molding materials, and anti-rust / waterproof sealing materials for meshed glass and laminated glass end faces (cut parts)
- It can be used for various applications such as liquid sealants used in automobile parts, electrical parts, various machine parts and the like.
- the curable composition of the present invention is an adhesive for interior panels, an adhesive for exterior panels, an adhesive for tiles, an adhesive for stonework, an adhesive for ceiling finishing, an adhesive for floor finishing, and for wall finishing.
- Examples 1 to 17 As shown in Table 1, chloromethyltrichlorosilane, hydrosilane compound (C) and tetrabutylammonium chloride were weighed into a glass reaction vessel in a glove box having a moisture content of 0.1 ppm or less, and sealed. The reaction vessel was placed in each temperature condition, and the reaction status was confirmed by 1 HNMR measurement. The peak assignment of the 1 HNMR spectrum of the resulting product derived from chloromethyltrichlorosilane is as follows.
- Table 2 shows the production ratio of each product derived from chloromethyltrichlorosilane derived from the 1 HNMR spectrum measured.
- “-” indicates that the integration ratio in the 1 HNMR spectrum is less than 1.
- each silane compound was produced at a ratio as shown in the table.
- the hydrosilane (C) Examples 1 to 8
- the selectivity of the monohydro form was good.
- LS8600 Examples 9 to 12
- H oil Examples 13 to 15
- high reactivity was exhibited.
- dimethylphenylsilane Examples 16 and 17
- the production ratio of the compound showing high reactivity and reduced chloromethyl group was suppressed.
- Example 18 Under reflux, 1 mmol of tetrabutylammonium chloride (manufactured by Wako Pure Chemical Industries, Ltd.) was weighed in a three-necked flask equipped with a dropping funnel, a thermometer, and a stirring bar, and the inside of the reaction apparatus was replaced with a dry nitrogen atmosphere. From the dropping funnel, 100 mmol of chloromethyltrichlorosilane (LS-30) and 100 mmol of dimethylphenylsilane (LS-2010, manufactured by Shin-Etsu Chemical Co., Ltd.) were added, and the reaction temperature was raised to 90 degrees with good stirring. .
- LS-30 chloromethyltrichlorosilane
- LS-2010 dimethylphenylsilane
- Example 19 As shown in Table 3, chloromethyltrichlorosilane, hydrosilane compound (C) and catalyst (D) were weighed into a glass tube reaction vessel and devolatilized. Table 4 shows the ratio of silane products derived from chloromethyltrichlorosilane according to the 1 HNMR spectrum of the reaction product.
- the target product was obtained in a short time by using tributylphosphonium chloride as a catalyst.
- the hydrosilane (C) in the case of using a diphenylmethyl silane having a phenyl group, to give the desired chloromethyl dichlorosilane (ClCH 2 SiCl 2 H) at a high ratio in a shorter time than with triethylsilane I was able to.
- the target product was obtained at a higher ratio when tributylphosphonium chloride was used as the catalyst than tetrabutylammonium chloride.
- Example 24 As shown in Table 5, chloromethyltrichlorosilane, dichloromethylsilane (MeSiCl 2 H), and tetrabutylammonium chloride were each reacted under the following conditions.
- each component was measured in a reaction vessel equipped with a reflux tube, and the reaction was performed in a nitrogen stream.
- Example 25 each component was measured in an autoclave reactor, and the reaction was carried out by sealing.
- the reaction was carried out in a glass tube type reaction vessel and devolatilized.
- Table 6 shows the product ratio of the chloromethyl group-containing silane by 1 HNMR spectrum.
- dichloromethylsilane was found to be effective as hydrosilane (C).
- the target chloromethyldichlorosilane was obtained even at a relatively low temperature as in Example 24, and the production ratio of the target product was improved by increasing the reaction temperature as in Examples 25 to 27.
- Example 28 As shown in Table 7, chloromethyltrichlorosilane, hydrosilane (C), and tetrabutylammonium chloride were weighed in a glass tube type reaction vessel and reacted by devolatilization sealing. Table 8 shows the ratio of silane products derived from chloromethyltrichlorosilane by 1 HNMR spectrum.
- hydrosilane (C) when dimethylchlorosilane was used as the hydrosilane (C), the production ratio of dihydro form or trihydro form among the by-products tended to be small. Moreover, as for hydrosilane (C) which has a phenyl group, although all the target chloromethyl dichlorosilane was obtained with the high production ratio, like Example 30 and 32, Si of hydrosilane (C) with respect to chloromethyl trichlorosilane. When the —H molar ratio was large, the ratio of dihydro form chloromethylchlorosilane (ClCH 2 SiClH 2 ) increased.
- Example 33 to 40 As shown in Table 9, chloromethyltrichlorosilane, dichloromethylsilane (MeSiCl 2 H), and catalyst (D) were weighed in a pressure-resistant reaction vessel, and the reaction was carried out by purging with nitrogen and sealing. Table 10 shows the product ratio of the chloromethyl group-containing silane by 1 HNMR spectrum.
- the reaction rate and product ratio are affected by the amount of catalyst (D). It can be seen that when the amount of the catalyst is small, it takes a long time to produce the target chloromethyldichlorosilane, and the target product can be efficiently obtained at about 1 mol% with respect to chloromethyltrichlorosilane.
- the catalyst (D) shown in Examples 37 to 40 was also found to be effective as the catalyst (D) of the present invention.
- Example 41 In a reaction vessel equipped with a reflux tube, 1.2 g of tributylmethylammonium chloride (manufactured by Seyke Asia Co., Ltd.) was weighed, and the inside of the reactor was replaced with a dry nitrogen atmosphere. 92 g of chloromethyltrichlorosilane (manufactured by Shin-Etsu Chemical Co., Ltd.) and 58 g of dichloromethylsilane (MeSiCl 2 H, manufactured by Shin-Etsu Chemical Co., Ltd.) were added, and the temperature was raised with good stirring.
- tributylmethylammonium chloride manufactured by Seyke Asia Co., Ltd.
- fractionation by atmospheric distillation about 40 g of a fraction mainly composed of chloromethyltrichlorosilane, about 28 g of a fraction mainly composed of chloromethyldichlorosilane, about 25 g of a fraction mainly composed of methyltrichlorosilane, About 22 g of a fraction containing dichloromethylsilane as a main component was obtained.
- Example 42 The reaction was started in the same manner as in Example 41 except that 95 g of chloromethyltrichlorosilane and 63 g of dichloromethylsilane were used. When the reaction was performed for 2 hours, 22 g of dichloromethylsilane obtained in Example 41 was further added, and the reaction was continued for 2 hours. When the production ratio of the chloromethyl group-containing silane was confirmed, it was 49% for chloromethyltrichlorosilane, 44% for chloromethyldichlorosilane, and 2% for chloromethylchlorosilane. Distillation was performed in the same manner as in Example 41 to obtain chloromethyldichlorosilane having a purity of 90% and 38 g.
- the target chloromethyldimethoxysilane was obtained using various weakly basic anion exchange resins as catalysts.
- Amberlyst A21 was used, the target product was obtained at a high product ratio.
- Example 48 In a reaction vessel equipped with a reflux tube, 1.3 g of washed and dried Amberlyst A-21 (manufactured by Organo Corporation) was weighed, and the inside of the reaction apparatus was replaced with a dry nitrogen atmosphere. 4.6 g of chloromethyltrichlorosilane and 2.9 g of dichloromethylsilane (MeSiCl 2 H) were added, and the temperature was raised with good stirring. The reaction was allowed to react for 2 hours while refluxing.
- Amberlyst A-21 manufactured by Organo Corporation
- chloromethyltrichlorosilane 69%
- chloromethyldichlorosilane 31%
- chloromethylchlorosilane 1%
- the reaction solution was removed while leaving Amberlyst A21 in the reaction apparatus, and chloromethyltrichlorosilane and dichloromethylsilane were charged and reacted in the same manner as described above.
- the reaction was repeated 4 times, and the production ratios of chloromethyldichlorosilane were 36%, 39%, 36% and 36%, respectively.
- the target chloromethylmethylchlorosilane (ClCH 2 (CH 3 ) SiClH) could be obtained by reacting chloromethylmethyldichlorosilane with hydrosilane (C) having a phenyl group. .
- Example 53 The reaction mixture obtained in Example 18 was simply distilled to obtain a mixture of chloromethyltrichlorosilane, chloromethyldichlorosilane, and chloromethylchlorosilane (mol ratio 22:58:20). To this mixture, trimethyl orthoformate was added in an equimolar amount with respect to the total molar amount of Si—Cl, and then dehydrated methanol was slowly added dropwise with trimethyl orthoformate at room temperature. The reaction was terminated after 1 hour, and the reaction solution was analyzed by 1 HNMR measurement. As a result, it was confirmed that chloromethyltrimethoxysilane, chloromethyldimethoxysilane, and chloromethylmethoxysilane were obtained quantitatively. .
- the reaction mixture was subjected to precision distillation to remove by-products such as chloromethane, methyl formate, chloromethylmethoxysilane, chloromethyltrimethoxysilane and the like to obtain chloromethyldimethoxysilane having a purity of 95% or more.
- Example 54 A reaction vessel substituted with a nitrogen atmosphere was charged with 1 mmol of chloromethyldichlorosilane, and 2 mmol of trimethyl phosphite (manufactured by Sigma-Aldrich Japan) was added at 0 ° C. Subsequently, 2 mmol of dehydrated methanol was added dropwise to raise the reaction temperature to room temperature. After 50 minutes, the reaction solution was sampled and the reaction state was observed by 1 HNMR. As a result, it was confirmed that the raw materials disappeared and chloromethyldimethoxysilane was produced as a main product.
- Example 55 To a reaction vessel substituted with a nitrogen atmosphere, 75 mmol of chloromethyldichlorosilane was charged, and 150 mmol of trimethyl orthoformate (manufactured by Wako Pure Chemical Industries, Ltd., water content 0.012%) was added dropwise at 0 ° C. After the dropwise addition, the reaction temperature was raised to room temperature and reacted. Sampling was conducted 10 minutes later, and the reaction state was observed by 1 HNMR. As a result, it was confirmed that the raw materials disappeared and chloromethyldimethoxysilane was produced. Chloromethylchloromethoxysilane (ClCH 2 SiCl (OCH 3 ) H) was not detected, and it was confirmed that chloromethyldichlorosilane was completely methoxylated in a short time.
- trimethyl orthoformate manufactured by Wako Pure Chemical Industries, Ltd., water content 0.012%
- Example 56 A mixture of chloromethyltrichlorosilane, chloromethyldichlorosilane, and chloromethylchlorosilane obtained in the same manner as in Example 18 (mol ratio 22:64:14) was triethyl orthoformate (Wako Pure Chemical Industries, Ltd.) at 0 ° C. in a nitrogen atmosphere. Yaku Kogyo Co., Ltd., water content 0.004%) was added in an equimolar amount to the total molar amount of Si—Cl in the mixture. The temperature was raised to room temperature and sampled after 15 minutes, observation of the reaction conditions in 1 HNMR, raw material disappeared, it was confirmed that the chloromethyl diethoxy silane is produced.
- Peak assignment of 1 H NMR spectrum of chloromethyldiethoxysilane 1H: 4.56 ppm (triple line), 4H: 3.95 ppm (quadruple line), 2.79 ppm (double line), 6H: 1.28 ppm (triple line) line).
- the integrated value of the CH 3 peak in the main chain of the polymer (I-1) is S-I1
- the integrated value of the terminal CH 2 peak of the allyl group is M-I1.
- the integrated value of the CH 3 peak in the main chain of the polymer (M-1) is S-M1
- the integrated value of the SiCH 2 peak is M-M1.
- Example 57 For 100 parts by weight of the above allyl-terminated polyoxypropylene (I-1), 2.7 parts by weight of chloromethyldichlorosilane for 2 hours at 90 ° C. using 500 ppm of an isopropyl alcohol solution of 3 wt% of chloroplatinic acid as a catalyst. Reacted. Subsequently, the reaction solution was devolatilized under reduced pressure at 90 ° C. for 2 hours using a vacuum pump. As a result of 1 H-NMR measurement, an allyl group peak disappeared and a peak indicating that a chloromethyldichlorosilyl group was introduced was observed at 2.79 ppm. Thus, it was confirmed that a chloromethyldichlorosilyl group-terminated polyoxypropylene polymer (H-1) was obtained.
- Example 58 Next, 10 parts by weight of trimethyl orthoformate was added to 100 parts by weight of the polymer (H-1), and 3.2 parts by weight of dehydrated methanol was added dropwise at 70 ° C. After stirring for 20 minutes, it was confirmed with a pH test paper that the reaction solution changed from acidic to neutral. Again, it was devolatilized at 90 ° C.
- the SiCH 2 Cl peak (2.82 ppm), the Si (OCH 3 ) 2 peak (3.59 ppm), the SiCH 2 CH 2 peak ( 0.80, 1.68 ppm) was observed, and it was confirmed that a chloromethyldimethoxysilyl group-terminated polyoxypropylene polymer (H-2) was obtained.
- the integrated value of the CH 3 peak in the main chain of the polymer (H-2) is S—H2
- the integrated value of the SiCH 2 Cl peak is M—H2.
- Example 59 With respect to 100 parts by weight of the above allyl-terminated polyoxypropylene (I-1), a mixture of chloromethyldimethoxysilane and chloromethyltrimethoxysilane (moles) using 200 ppm of an isopropyl alcohol solution containing 3 wt% platinum as a platinum vinylsiloxane complex as a catalyst. Ratio 77:23) 4.3 parts by weight were reacted at 90 ° C. for 2 hours. Subsequently, the reaction solution was devolatilized under reduced pressure at 90 ° C. for 2 hours using a vacuum pump.
- the integrated value of the CH 3 peak in the main chain of the polymer (H-3) is S—H 3
- the integrated value of the SiCH 2 Cl peak is M—H 3.
- the polymer (H-3) was found to contain 1.6 chloromethyldimethoxysilyl groups on average per molecule.
- Example 60 The chloromethyldiethoxysilane obtained in Example 56 was contained with 100 parts by weight of allyl-terminated polyoxypropylene (I-1) as a catalyst using 500 ppm of an isopropyl alcohol solution containing 3 wt% platinum as a platinum vinylsiloxane complex. 5.6 parts by weight of the mixture was reacted at 100 ° C. for 5 hours. Subsequently, the reaction solution was devolatilized under reduced pressure at 100 ° C. for 2 hours using a vacuum pump. According to 1 HNMR measurement, an allyl group peak disappeared, and a peak indicating that a chloromethyldiethoxysilyl group was introduced was observed.
- I-1 allyl-terminated polyoxypropylene
- the chloromethyldiethoxysilyl-terminated polyoxypropylene polymer (H-4) was It was confirmed that it was obtained. By the same method as in (Example 57), it was confirmed that Fn of the polymer (H-4) was 53%. This revealed that the polymer (H-4) had an average of 1.1 chloromethyldiethoxysilyl groups per molecule.
- the polymerization rate was adjusted so that the internal temperature was about 80 ° C. to 90 ° C. while adding triamine as appropriate.
- the total amount of triamine used in the polymerization was 0.15 parts by weight.
- the monomer conversion rate (polymerization reaction rate) was about 95% or more, unreacted n-butyl acrylate and acetonitrile were removed by devolatilization under reduced pressure. Subsequently, 35 parts by weight of acetonitrile, 21 parts by weight of 1,7-octadiene and 0.34 parts by weight of triamine were added and stirred to restart the reaction. The reaction was continued at about 80 ° C. to 90 ° C. for several hours. A group was introduced.
- the oxygen-nitrogen mixed gas was introduced into the gas phase part of the reaction vessel, and the reaction solution was stirred for several hours while maintaining the internal temperature at about 80 ° C. to 90 ° C. to bring the polymerization catalyst into contact with oxygen.
- acetonitrile and octadiene were removed by devolatilization under reduced pressure, 150 parts by weight of butyl acetate was added for dilution.
- insoluble catalyst components were removed by filtration.
- the filtrate was charged into a reaction vessel, and 1 part by weight of aluminum silicate (manufactured by Kyowa Chemical Co., Ltd., Kyoward 700SEN) and 1 part by weight of hydrotalcite (manufactured by Kyowa Chemical Co., Ltd., Kyoward 500SH) were added as adsorbents.
- An oxygen-nitrogen mixed gas was introduced into the gas phase, and the mixture was stirred with heating at about 100 ° C. for 1 hour, and then insoluble components such as adsorbent were removed by filtration.
- the filtrate was concentrated under reduced pressure to obtain a crude polymer product.
- 0.2 parts by weight of heat stabilizer (Sumitomo Chemical Co., Ltd., Sumilizer GS) is added to 100 parts by weight of the crude polymer, and Kyoward 700SEN and Kyoward 500SH are added as adsorbents.
- the temperature was raised while stirring, and devolatilization and stirring were continued for several hours at a high temperature of about 170 ° C. to 200 ° C., and elimination of halogen groups in the polymer and adsorption purification were performed.
- An oxygen-nitrogen mixed gas was introduced, 10 parts by weight of butyl acetate was added, the above adsorbent was further added, and stirring was continued for several hours at a high temperature of about 170 ° C. to 200 ° C.
- the total amount of adsorbent used in this purification step was 1.5 parts by weight of Kyoward 700SEN and 1.5 parts by weight of Kyoward 500SH. After diluting with butyl acetate and filtering to remove the adsorbent, the filtrate was concentrated to obtain an acrylate polymer (I-2) having alkenyl groups at both ends.
- the number average molecular weight of the polymer (M-4) was about 25,600 (GPC column was Showa Denko K.K., shodex GPC K-804 was used, and the solvent was polystyrene equivalent molecular weight measured using CHCl 3 ). It was. The number of dimethoxymethylsilyl groups determined from the terminal silyl group concentration and number average molecular weight calculated from the 1 HNMR spectrum was 1.9 on average per molecule.
- Example 61 To 100 parts by weight of the above acrylic ester polymer (I-2), 670 ppm of an isopropyl alcohol solution having a platinum content of 3 wt% of a platinum vinylsiloxane complex, 1.2 parts by weight of trimethyl orthoformate, 4.1 parts of chloromethyldimethoxysilane A part by weight was added and reacted at 100 ° C. for 4 hours. Subsequently, the reaction solution was devolatilized under reduced pressure at 130 ° C. for 2 hours using a vacuum pump.
- a pressure-resistant glass liquefied collection tube with a needle valve containing 254 ml (2.99 mol) of isobutylene monomer was connected to a three-way cock, and the polymerization vessel was placed in a -70 ° C dry ice / ethanol bath and cooled. The inside of the container was depressurized using a vacuum pump. After opening the needle valve and introducing isobutylene monomer into the polymerization vessel from the liquefied gas sampling tube, nitrogen was introduced from one side of the three-way cock to return the inside of the vessel to normal pressure. Next, 0.387 g (4.15 mmol) of 2-methylpyridine was added.
- Example 62 With respect to 100 parts by weight of the above allyl-terminated isobutylene polymer (I-3), 200 ppm of an isopropyl alcohol solution having a platinum content of 3 wt% of a platinum vinylsiloxane complex, 2,5-di-tert-butyl-1,4-benzoquinone 0 .3 parts by weight and 6.7 parts by weight of chloromethyldimethoxysilane were added and reacted at 100 ° C. for 6 hours. Subsequently, the reaction solution was devolatilized under reduced pressure at 140 ° C. for 3 hours using a vacuum pump.
- the integrated value of the CH 3 peak in the main chain of the polymer (I-3) is SI-3, and the integrated value of the terminal CH 2 peak of the allyl group is MI-3.
- the integrated value of the CH 3 peak in the main chain of the polymer (H-6) is S—H 6, and the integrated value of the SiCH 2 Cl peak is MH 6.
- the polymer (H-6) contained 1.5 chloromethyldimethoxysilyl groups on average per molecule.
- the number average molecular weight of the polymer (H-6) was 5780 (GPC is Waters LC Module 1 as a liquid feeding system, and the column is a polystyrene-equivalent molecular weight measured using Shodex K-804).
- the polymer (H-2) or the polymer (M-1, M-2) is measured in a minicup, and an organotin compound or an amine compound (J1) is used as a silanol condensation catalyst (J).
- the mixture was added and kneaded well with a spatula for 1 minute. After kneading, the cup was allowed to stand in a constant temperature and humidity chamber at 23 ° C. and 55%, and this time was defined as a curing start time. Touch the surface of the composition with the tip of the spatula every 1 minute for the first 10 minutes, then every 10 minutes until the next 2 hours, and thereafter every hour, and the skinning time is the time when the composition does not adhere to the spatula. The cure time was measured. Those whose surface was not cured after 24 hours were regarded as uncured. The results are shown in Table 15.
- the skin time of the polymer (H-2) was shorter than that of the polymer (M-1).
- the difference was significant in the case of amine compounds.
- Example 64 cured in a short time even when the addition amount of DBU was suppressed, and no liquid substance was observed on the surface of the cured product even after one week.
- the polymer (H-4) or polymer (M-3) was measured in a minicup, and an amine compound (J1) was added as a silanol condensation catalyst (J). Kneaded for a minute. After kneading, the cup was allowed to stand in a constant temperature and humidity chamber at 23 ° C. and 55%, and this time was defined as a curing start time. Touch the surface of the composition with the tip of the spatula every 1 minute for the first 10 minutes, then every 5 minutes until 1 hour, then every 10 minutes until the next 2 hours, and every hour thereafter, and the composition adheres to the spatula. The curing time was measured with the time when it disappeared as the skinning time. Those whose surface was not cured after 24 hours were regarded as uncured. The results are shown in Table 16.
- the skin time of the polymer (H-4) was shorter than that of the polymer (M-3).
- the polymer (H-5) or polymer (M-4) was measured in a minicup, and an amine compound (J1) was added as a silanol condensation catalyst (J). Kneaded for a minute. After kneading, the cup was allowed to stand in a constant temperature and humidity chamber at 23 ° C. and 55%, and this time was defined as a curing start time. Touch the surface of the composition with the tip of the spatula every 1 minute for the first 10 minutes, then every 5 minutes until 1 hour, then every 10 minutes until the next 2 hours, and every hour thereafter, and the composition adheres to the spatula. The curing time was measured with the time when it disappeared as the skinning time. Those whose surface was not cured after 24 hours were regarded as uncured. The results are shown in Table 17.
- the polymer (H-5) had a shorter skinning time than the polymer (M-4).
- the polymer (H-6) was weighed in a minicup, the amine compound (J1) was added as a silanol condensation catalyst (J), and kneaded with a spatula for 1 minute. After kneading, the cup was allowed to stand in a constant temperature and humidity chamber at 23 ° C. and 55%, and this time was defined as a curing start time. Touch the surface of the composition with the tip of the spatula every 1 minute for the first 10 minutes, then every 5 minutes until 1 hour, then every 10 minutes until the next 2 hours, and every hour thereafter, and the composition adheres to the spatula. The curing time was measured with the time when it disappeared as the skinning time. Those whose surface was not cured after 24 hours were regarded as uncured. The results are shown in Table 18.
- the polymer (H-6) showed high curability.
- Example 78 To 100 parts by weight of the allyl-terminated polyoxypropylene (I-4) obtained in Reference Example 8, 100 ppm of an isopropyl alcohol solution having a platinum content of 3 wt% of a platinum vinylsiloxane complex and 1.2 parts by weight of trimethyl orthoformate were added. The mixture was reacted with 1.7 parts by weight of chloromethyldimethoxysilane at 100 ° C. for 2 hours. Subsequently, the reaction solution was devolatilized under reduced pressure at 120 ° C. for 2 hours using a vacuum pump.
- the integrated value of the CH 3 peak in the main chain of the polymer (I-4) is SI-4, and the integrated value of the terminal CH 2 peak of the allyl group is MI-4.
- the integrated value of the CH 3 peak in the main chain of the polymer (H-7) is S—H7, and the integrated value of the SiCH 2 Cl peak is M—H7.
- Example 79 A chloromethyldimethoxysilyl group-terminated polyoxypropylene polymer (H-8) was obtained in the same manner as in Example 78 except that trimethyl orthoformate was not used. Further, it was confirmed that Fn was 80% by the same method as in Example 78.
- Example 80 to 83 Polymers (H-7) and (H-8) were transferred from the reaction vessel to a glass bottle under conditions of 23 ° C. and 55% humidity, respectively, and purged with nitrogen and capped. These samples were stored at the temperatures shown in Table 12, and before storage (initial), 1 week, 2 weeks, and 4 weeks after storage, the viscosity of the polymer was measured using an E-type viscometer (VISCONIC EHD, manufactured by Tokyo Keiki Co., Ltd.). 23 ° C.).
- the ratio of the viscosity after storage to the initial viscosity of the polymer (H-7) and the polymer (H-8) was taken as the viscosity ratio (viscosity after storage / initial viscosity) to evaluate the storage stability.
- the results are shown in Table 19.
- Examples 84 and 85 Comparative Examples 12 and 13
- the polymer (H) or (M) filler, pigment, plasticizer, various stabilizers are first kneaded uniformly using three rolls, and then a planetary mixer is used. While dehydrating, a silane coupling agent and a silanol condensation catalyst were added and kneaded uniformly. The kneaded composition was quickly enclosed in an aluminum cartridge to prepare a one-component curable composition.
- 1-phenylguanidine used was dissolved in Nn-butylbenzenesulfonamide (manufactured by Fujiamide Chemical Co., Ltd., trade name: Topsizer No. 7). The numerical value in the table is the amount of 1-phenylguanidine.
- Each curable composition is extruded from the cartridge in a constant temperature and humidity room at room temperature 23 ° C and humidity 50%, filled with a spatula into a 5mm-thick mold, and curing begins when the surface is flattened It was time.
- the surface was touched with a spatula, and the curing time was measured with the time when the composition no longer adhered to the spatula as the skinning time.
- the chloromethyldimethoxysilyl terminal-containing polymer (H-3) of the present invention includes a methyldimethoxysilyl group-containing polymer (M-1) and a trimethoxysilyl group-containing polymer (M-2). ), Better curability was exhibited.
- Example 86 A chloromethyldimethoxysilyl group-terminated polyoxypropylene polymer (H-9) having an Fn of 65% was prepared in the same manner as in Reference Example 3 except that 1.8 parts by weight of chloromethyldimethoxysilane was used. Obtained.
- Example 87 to 90 Comparative Example 14
- a one-component curable composition was prepared in the same manner as in Example 84.
- the curing time was measured by the same method as in Example 84.
- the chloromethyldimethoxysilyl group-containing polymer (H-9) showed better curability than the methyldimethoxysilyl group-containing polymer (M-5).
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Abstract
Description
H-SiR2 c(CR1 3-bYb)aX3-a-c (1)
(式中、R1は、それぞれ独立に、水素原子または置換あるいは非置換の炭素原子数1から20の炭化水素基である。R2は、それぞれ独立に、置換あるいは非置換の炭素原子数1から20の炭化水素基である。Xはそれぞれ独立に、ハロゲン原子である。Yはハロゲン原子、-OR3、-NR4R5、-N=R6、-SR7(R3、R4、R5、R7はそれぞれ水素原子または炭素原子数1から20の置換あるいは非置換の炭化水素基、R6は炭素原子数1から20の2価の置換あるいは非置換の炭化水素基である。)、炭素原子数1から20のペルフルオロアルキル基、シアノ基、から選択される基(以後、これらを総称してヘテロ置換基と記載する場合もある。)である。aは1または2、bは1,2,3のいずれか、cは1または0であり、a+cが2を超えることはない。)で表されるハロヒドロシラン化合物(A)は、ケイ素上に、ハロゲン置換基、ヒドロシリル基、および、α位にヘテロ置換基を有する炭化水素基(以後、ヘテロメチル基と記載する場合もある。)を有することを特徴とするユニークなシラン化合物である。ハロゲン置換基は加水分解性基であり、加水分解によってシラノールを生成し、さらにシラノール縮合反応によってシロキサン結合を形成することができる。また、ヒドロシリル基は加水分解性基として作用するだけでなく、ヒドロシリル化反応によって、オレフィンなどに付加することができる。もう一つの置換基であるヘテロメチル基は、例えば、クロロメチル基などのハロメチル基であれば、金属マグネシウムと反応させてグリニヤール反応剤として利用することができるし、求核置換反応により別の置換基に変換させることができるという特徴を有する。さらに、ケイ素原子の近傍(α位)にヘテロ置換基を有することで、ヘテロ置換基-炭素原子の電気陰性度の違いによる誘起効果がケイ素上の他の置換基にも影響し、加水分解性基の反応性が向上する効果が得られる場合がある。
(I).一般式(1):
H-SiR2 c(CR1 3-bYb)aX3-a-c (1)
(式中、R1は、それぞれ独立に、水素原子または置換あるいは非置換の炭素原子数1から20の炭化水素基である。R2は、それぞれ独立に、置換あるいは非置換の炭素原子数1から20の炭化水素基である。Xはそれぞれ独立に、ハロゲン原子である。Yはハロゲン原子、-OR3、-NR4R5、-N=R6、-SR7(R3、R4、R5、R7はそれぞれ水素原子または炭素原子数1から20の置換あるいは非置換の炭化水素基、R6は炭素原子数1から20の2価の置換あるいは非置換の炭化水素基である。)、炭素原子数1から20のペルフルオロアルキル基、シアノ基、から選択される基である。aは1または2、bは1,2,3のいずれか、cは1または0であり、a+cが2を超えることはない。)で表されるハロヒドロシラン化合物(A)を、一般式(2):
SiR2 c(CR1 3-bYb)aX4-a-c (2)
(式中、R1、R2、X、Y、a、b、cは上記と同じ。)で表されるハロシラン化合物(B)をヒドロシラン化合物(C)と反応させることによって製造する方法、
(II).Xが、クロロ基である(I)に記載のシラン化合物の製造方法、
(III).Yがハロゲン原子である(I)または(II)に記載のシラン化合物の製造方法、
(IV).ハロヒドロシラン化合物(A)がクロロメチルジクロロシランラン(ClCH2SiCl2H)である(I)から(III)のいずれかに記載のシラン化合物の製造方法、
(V).ヒドロシラン化合物(C)が、1つのケイ素原子上に1つだけヒドロ基を有するモノヒドロシラン化合物(C1)である(I)から(IV)のいずれかに記載のシラン化合物の製造方法、
(VI).モノヒドロシラン化合物(C1)が、一般式(3):
H-SiR8 gZ3-g (3)
(式中、R8はそれぞれ独立に、置換あるいは非置換の炭素原子数1から20の炭化水素基、またはR9 3SiO-(R9はそれぞれ独立に、炭素原子数1から20の置換あるいは非置換の炭化水素基である。)から選択される基である。Zはそれぞれ独立に、ハロゲン原子、アルコキシ基、アリールオキシ基から選択される基である。gは1、2、3のいずれかである。)で表される化合物である(V)に記載のシラン化合物の製造方法、
(VII). ヒドロシラン(C)が、メチルジクロロシランである(V)に記載のシラン化合物の製造方法、
(VIII).一般式(3)のgが3である(VI)に記載のシラン化合物の製造方法、
(IX).ヒドロシラン化合物(C)が一般式(4):
HdSiR10 eR11 4-d-e (4)
(式中、R10はそれぞれ独立に置換あるいは非置換の芳香族炭化水素基、R11はそれぞれ独立に置換あるいは非置換の炭素原子数1から20の脂肪族炭化水素基、ハロゲン原子、アルコキシ基、アリールオキシ基から選択される基である。dは1、2、3のいずれかであり、eは1、2、3のいずれかであり、dとeの合計が4を超えることはない。)で表されるアリールヒドロシラン化合物(C2)である(I)から(IV)のいずれかに記載のシラン化合物の製造方法、
(X).dが1である(IX)に記載のシラン化合物の製造方法、
(XI).eが1または2である(IX)または(X)に記載のシラン化合物の製造方法。
(XII).ヒドロシラン化合物(C)が、フェニルシラン、ジフェニルシラン、ジメチルフェニルシランのいずれかである(V)に記載のシラン化合物の製造方法、
(XIII).ハロシラン化合物(B)とヒドロシラン化合物(C)の反応の触媒(D)として、第四アンモニウム塩および/または第四ホスホニウム塩を用いる(I)から(IX)のいずれかに記載のシラン化合物の製造方法、
(XIV).触媒(D)がテトラブチルアンモニウム塩、メチルトリブチルアンモニウム塩のいずれかである(XIII)に記載のシラン化合物の製法、
(XV).触媒(D)が塩化第四アンモニウム塩である(XIII)または(XIV)に記載のシラン化合物の製造方法、
(XVI).触媒(D)が塩化テトラブチルアンモニウムおよび/または塩化トリブチルメチルアンモニウムである(XIII)に記載のシラン化合物の製造方法、
(XVII).触媒(D)として、イオン交換樹脂を用いる(I)から(IX)のいずれかに記載のシラン化合物の製造方法、
(XVIII).イオン交換樹脂が、陰イオン交換樹脂である(XVII)に記載のシラン化合物の製造方法、
(XIX).陰イオン交換樹脂が、置換あるいは非置換のアミノ基を有する陰イオン交換樹脂である(XVIII)に記載のシラン化合物の製造方法、
(XX).(I)から(XIX)のいずれかに記載の方法で製造した一般式(1)で表されるハロヒドロシラン(A)とアルコール(F)とを反応させることによる、一般式(5):
H-SiR2 c(CR1 3-bYb)a(OR12)3-a-c (5)
(式中、R1、R2、Y、a、b、cは上記と同じ。R12はそれぞれ独立に、置換あるいは非置換の炭素原子数1から20の炭化水素基である。)で表されるアルコキシヒドロシラン化合物(E)の製造方法、
(XXI).ハロヒドロシラン(A)とアルコール(F)を、酸捕捉剤(G)の存在下で反応させることによる、(XX)に記載のシラン化合物の製造方法、
(XXII).酸捕捉剤(G)がオルトカルボン酸トリアルキル、亜燐酸トリアルキルから選択される1種以上である(XXI)に記載のシラン化合物の製造方法、
(XXIII).酸捕捉剤(G)がオルト蟻酸トリメチルである(XXII)に記載のシラン化合物の製造方法、
(XXIV).ハロヒドロシラン(A)とオルトカルボン酸トリアルキルとを反応させることによるアルコキシヒドロシラン(E)の製造方法、
(XXV).ヒドロアルコキシシラン(E)がクロロメチルジメトキシシラン(ClCH2Si(OCH3)2H)である(XX)から(XXIV)のいずれかに記載のシラン化合物の製造方法、
(XXVI).一般式(6):
-CHR13CR13 2-SiR2 c(CR1 3-bYb)aZ3-a-c (6)
(式中、R1、R2、Y、a、b、cは上記と同じ。R13はそれぞれ独立に、水素原子または置換あるいは非置換の炭素原子数1から20の炭化水素基である。Zはそれぞれ独立に、水酸基または加水分解性基である。)で表される反応性ケイ素含有基を有する重合体(H)、
(XXVII).(I)から(XIX)のいずれかに記載の製造方法によって得られたハロヒドロシラン化合物(A)と、一般式(7):
-CR13=CR13 2 (7)
(式中、R13は上記と同じ。)で表される不飽和基を有する重合体(I)を反応させて、重合体(H)を製造する方法、
(XXVIII).(XX)から(XXV)のいずれかに記載の製造方法によって得られたアルコキシヒドロシラン化合物(E)と不飽和基を有する重合体(I)を反応させて、重合体(H)を製造する方法、
(XXIX).さらにオルトカルボン酸トリアルキル、および/または、亜燐酸トリアルキルを併用する、(XXVII)または(XXIX)のいずれかに記載の重合体(H)の製造方法、
(XXX).重合体(H)の主鎖骨格が、ポリオキシアルキレン系重合体、飽和炭化水素系重合体、および(メタ)アクリル酸エステル系重合体からなる群から選択される少なくとも1種の有機重合体である(XXVI)に記載の重合体(H)、
(XXXI).(XXVI)または(XXX)に記載の重合体(H)とシラノール縮合触媒(J)を含有する硬化性組成物、
(XXXII).シラノール縮合触媒(J)がアミン系化合物(J1)(XXXI)であるに記載の硬化性組成物、
に関する。
(I)ヘテロメチル基含有ハロヒドロシラン化合物
本発明は、一般式(1):
H-SiR2 c(CR1 3-bYb)aX3-a-c (1)
(式中、R1は、それぞれ独立に、水素原子または置換あるいは非置換の炭素原子数1から20の炭化水素基である。R2は、それぞれ独立に、置換あるいは非置換の炭素原子数1から20の炭化水素基である。Xはそれぞれ独立に、ハロゲン原子である。Yはハロゲン原子、-OR3、-NR4R5、-N=R6、-SR7(R3、R4、R5、R7はそれぞれ水素原子または炭素原子数1から20の置換あるいは非置換の炭化水素基、R6は炭素原子数1から20の2価の置換あるいは非置換の炭化水素基である。)、炭素原子数1から20のペルフルオロアルキル基、シアノ基、から選択される基である。aは1または2、bは1,2,3のいずれか、cは1または0であり、a+cが2を超えることはない。)で表されるハロヒドロシラン化合物(A)を製造する方法に関するものであり、一般式(2):
SiR2 c(CR1 3-bYb)aX4-a-c (2)
(式中、R1、R2、X、Y、a、b、cは上記と同じ。)で表されるハロシラン化合物(B)をヒドロシラン化合物(C)と反応させて製造する方法である。この反応は、再分配反応や均化反応と呼ばれることもある。
H-SiR8 gZ3-g (3)
(式中、R8はそれぞれ独立に、置換あるいは非置換の炭素原子数1から20の炭化水素基、またはR9 3SiO-(R9はそれぞれ独立に、炭素原子数1から20の置換あるいは非置換の炭化水素基である。)から選択される基である。Zはそれぞれ独立に、ハロゲン原子、アルコキシ基、アリールオキシ基から選択される基である。gは1、2、3のいずれかである。)で表されるモノヒドロシラン化合物(C1)は、副反応(1)が抑えられやすいことから好ましい。
HdSiR10 eR11 4-d-e (4)
(式中、R10はそれぞれ独立に置換あるいは非置換の芳香族炭化水素基、R11はそれぞれ独立に置換あるいは非置換の炭素原子数1から20の脂肪族炭化水素基、ハロゲン原子、アルコキシ基、アリールオキシ基から選択される基である。dは1、2、3のいずれかであり、eは1、2、3のいずれかであり、dとeの合計が4を超えることはない。)で表されるアリールヒドロシラン化合物(C2)を使用することが好ましい。アリールヒドロシラン(C2)を具体的に例示すると、フェニルシラン、クロロフェニルシラン(C6H5SiClH2)、ジクロロフェニルシラン(C6H5SiCl2H)、フェニルメチルシラン、フェニルジメチルシラン、ジフェニルシラン、ジフェニルメチルシラン、トリフェニルシラン、トリフリルシランなどが挙げられるが、これらに限らない。目的のハロヒドロシラン(A)が選択的に得られやすい点から、dは1であることが好ましい。高い反応性が得られる傾向があることから、eは1または2であることが好ましい。
Hf-Si(CR1 3-bHb)aX4-a-f (8)
(式中、R1、X、Y、a、bは前記と同じ。fは0、1、2、3のいずれかであり、a+fが4を超えることはない。)で表されるシラン化合物(K)の合計量が、ハロシラン(B)およびハロシラン(B)由来の生成物全量に占める割合が、ある値を超える前に反応を中断させることで、ハロヒドロシラン(A)の収率低下を抑制することができる。ハロシラン(B)およびハロシラン(B)由来の生成物全量に占める、シラン(K)の合計量の割合が30%を超える前に反応を中断することが好ましく、15%を超える前がより好ましい。
(II)ヘテロメチル基含有アルコキシヒドロシラン
次に、ハロヒドロシラン(A)を用いて一般式(5):
H-SiR2 c(CR1 3-bYb)a(OR12)3-a-c (5)
(式中、R1、R2、Y、a、b、cは上記と同じ。R12はそれぞれ独立に、置換あるいは非置換の炭素原子数1から20の炭化水素基である。)で表されるアルコキシヒドロシラン化合物(E)を製造する方法について説明する。
R14-C(OR12)3 (9)
(式中、R12は、それぞれ独立に、置換あるいは非置換の炭素原子数1から20の炭化水素基である。R14は、それぞれ独立に、水素原子または置換あるいは非置換の炭素原子数1から20の炭化水素基である。)で表される化合物であり、ハロヒドロシラン(A)とアルコール(F)の反応の条件下で発生する酸HXと反応して、アルコール(R12OH)、ハロゲン化アルキル(XR12)、カルボン酸アルキル(R14-CO2R12)を生成する。オルトカルボン酸トリアルキルとしては、特に限定されないが、オルト蟻酸トリメチル、オルト蟻酸トリエチル、オルト酢酸トリメチル、オルト酢酸トリエチルなどが好適に使用できる。この反応による副生成物はいずれも揮発性が高く除去し易い。なお、使用するオルトカルボン酸トリアルキルのアルコキシ基(OR12)は、アルコール(F)に対応する構造であることが好ましい。アルコキシヒドロシラン(E)の純度が高くなるためである。
P(OR12)3 (10)
(式中、R12は上記と同じ。)で表される化合物であり、ハロヒドロシラン(B)とアルコール(F)の反応の条件下で発生する酸HXと反応して、ハロゲン化アルキル(XR12)、亜燐酸ジアルキルを生成する。亜燐酸トリアルキルとしては、特に限定されないが、亜燐酸トリメチル、亜燐酸トリエチル、亜燐酸トリイソプロピル、亜燐酸トリス(2-エチルヘキシル)などが好適に使用できる。中でも、工業的に入手が容易な亜燐酸トリメチルがより好ましい。
上記したように、本発明ではハロヒドロシラン(A)のアルコキシ化に、アルコール(F)を使用せず、オルトカルボン酸トリアルキルのみまたは亜燐酸トリアルキルのみを作用させて、アルコキシヒドロシラン(E)を得ることができる。このとき、アルコキシ化が完全に進行しない場合には、アルコール(F)を微量添加することで反応性を向上させ、アルコキシ化を完結させることができる。 エポキシ基含有化合物は、ハロヒドロシラン(A)とアルコール(F)の反応の条件下で発生する酸HXをエポキシ環に開環付加させることで捕捉する。エポキシ基含有化合物としては、特に限定されず、例えば、エポキシ化不飽和油脂類、エポキシ化不飽和脂肪酸エステル類、脂環族エポキシ化合物類、エピクロルヒドリン誘導体などの化合物及びそれらの混合物などがあげられ、より、具体的には、エポキシ化大豆油、エポキシ化アマニ油、ビス(2-エチルヘキシル)-4,5-エポキシシクロヘキサン-1,2-ジカーボキシレート(E-PS)、エポキシオクチルステアレ-ト、エポキシブチルステアレ-トなどがあげられる。付加体の安全性の観点から、エポキシ基含有化合物としては、難揮発性または高沸点のものが好ましい。入手性の点と、取り扱いの容易さから、エポキシ化大豆油が特に好ましい。
(III)ヘテロメチル基置換反応性シリル基含有重合体
上記のハロヒドロシラン(A)およびアルコキシヒドロシラン(E)の利用例のうち、反応性ケイ素基含有重合体について、以下に詳しく説明する。
-CHR13CR13 2-SiR2 c(CR1 3-bYb)aZ3-a-c (6)
(式中、R1、R2、Y、a、b、cは上記と同じ。R13はそれぞれ独立に、水素原子または置換あるいは非置換の炭素原子数1から20の炭化水素基である。Zはそれぞれ独立に、水酸基または加水分解性基である。)で表される基を1分子あたり平均して1個以上有する。この基は、シラノール縮合触媒によってシロキサン結合を形成する、いわゆる反応性ケイ素基の1つである。これにより、重合体(H)は湿分によって架橋し、硬化するという特徴を有する。一般式(1)で表されるように、重合体(H)はヘテロメチル基をシリル基上に有することを特徴としている。以後、このシリル基を「ヘテロメチル型反応性ケイ素基」と記載する場合もある。重合体(H)はヘテロメチル型反応性ケイ素基を有することにより、メチル基などの非置換の炭化水素基を有する反応性ケイ素基(例えば、ジメトキシメチルシリル基など)を有する重合体と比較して速硬化性を示す。
(イ)分子中に一般式(7):
-CR13=CR13 2 (7)
(式中、R13は上記と同じ。)で表される不飽和基を有する重合体(I)に、一般式(11):
H-SiR2 c(CR1 3-bYb)aZ3-a-c (11)
(式中、R1、R2、Z、Y、a、b、cは上記と同じ。)で表されるヒドロシラン化合物(L)を作用させてヒドロシリル化させる方法。
(ロ)重合体(I)にメルカプト基およびヘテロメチル型反応性ケイ素基を有する化合物を反応させる方法。
(ハ)分子中に水酸基、エポキシ基やイソシアネート基などの官能基を有する重合体に、この官能基に対して反応性を示す官能基およびヘテロメチル型反応性ケイ素基を有する化合物を反応させる方法。
-R15-O- (12)
(式中、R15は炭素原子数1から14の直鎖状もしくは分岐アルキレン基である。)で記載される繰り返し単位を有する重合体であり、R15は、2から4の、直鎖状もしくは分岐状アルキレン基がより好ましい。一般式(12)に記載の繰り返し単位としては、特に限定はなく、例えば、
-NR16(C=O)- (13)
(R16は水素原子または置換あるいは非置換の有機基を表す)で表される基である。
-SiR17 3-eZe (14)
(式中、Zは上記と同じ。R17は、それぞれ独立に、炭素原子数1から20の炭化水素基、またはR18 3SiO-(R18は、それぞれ独立に、炭素原子数1から20の炭化水素基である)で記載されるオルガノシロキシ基のいずれかである。eは1、2、3のいずれかである。)で記載される反応性ケイ素基を、1分子あたり、平均して1個以上有する重合体(M)を含んでもよい。
R19N=CR19-NR19 2 (15)
(式中、R19はそれぞれ独立に水素原子または炭素原子数1から20の置換あるいは非置換の炭化水素基であり、それぞれのR19はつながっていてもよい。)で表されるアミジン化合物は、特に触媒活性が高く好ましい。具体的には、1,2-ジメチル-1,4,5,6-テトラヒドロピリミジン、DBU、DBA-DBU、DBNなどが挙げられるが、これらに限らない。入手性の高さ、取扱いの容易さから、DBU、DBNがより好ましい。
R20N=C(NR20 2)2 (16)
(式中、R20はそれぞれ独立に水素原子または炭素原子数1から20の置換あるいは非置換の炭化水素基であり、それぞれのR20はつながっていてもよい。)で表されるグアニジン化合物も、触媒活性が高く好ましい。具体的には、グアニジン、フェニルグアニジン、1-トリルグアニジン、ジフェニルグアニジンなどが挙げられるが、これらに限らない。特に、R20の1つがアリール基であるフェニルグアニジンやトリルグアニジンは高活性であり、さらに接着性も良好な組成物を与える傾向があり好ましい。
クロロメチルジクロロシラン(ClCH2SiCl2H)を製造する目的で、0.5モル/Lのクロロメチルトリクロロシラン(LS-30、信越化学工業(株)製)のTHF溶液に、LS-30に対して0.5モル当量のRed-Al(水素化ビス(2-メトキシエトキシ)アルミニウムナトリウム、和光純薬工業(株)製)を-68℃で添加し、よく攪拌しながら、ゆっくりと室温まで約1時間かけて昇温した。反応物を1HNMR測定(Bruker製AvanceIII400MHzNMRシステムを用いて、CDCl3溶媒中で測定。CHCl3のピークを7.26ppmとして解析した。)にて解析した結果、スペクトルは複雑で、目的のクロロメチルジクロロシランのピークは観察されず、クロロメチル基が還元されたメチルシランのピークが観察された。
Red-Alの代わりに、1.0モル当量のDIBAL-H(水素化ジイソブチルアルミニウム、東京化成(株)製)の1.0モル/Lヘキサン溶液を室温で添加する以外は参考例1と同様の操作を行い、反応物を1HNMR測定にて解析した結果、反応はほとんど進行しておらず、僅かにクロロメチルクロロシランとクロロメチルシランのピークが観察されただけであった。この反応溶液をさらに、65℃まで加熱し、3時間反応させた後、1HNMR測定を行ったが、ほとんどスペクトルに変化はなかった。
表1に示すように、クロロメチルトリクロロシラン、ヒドロシラン化合物(C)と塩化テトラブチルアンモニウムを、水分0.1ppm以下にしたグローブボックス内でガラス反応容器に計り取り、密栓をした。反応容器を各温度条件に置き、反応状況を1HNMR測定にて確認した。得られたクロロメチルトリクロロシラン由来の生成物の1HNMRスペクトルのピーク帰属は次の通りである。クロロメチルトリクロロシラン(2H:3.29ppm(一重線))、クロロメチルジクロロシラン(2H:3.29ppm(二重線)、1H:5.56ppm(三重線))、クロロメチルクロロシラン(2H:3.14ppm(三重線)、2H:4.80ppm(三重線))、クロロメチルシラン(2H:3.00ppm(四重線)、3H:3.83ppm(三重線))、メチルトリクロロシラン(3H:1.14ppm(一重線))、メチルジクロロシラン(3H:0.89ppm(二重線)、1H:5.59ppm(四重線))、メチルクロロシラン(3H:0.61ppm(三重線)、2H:4.76ppm(四重線))、メチルシラン(3H:0.19ppm(四重線)、3H:3.58ppm(四重線))。
還流下、滴下ロート、温度計、攪拌子を取り付けた3つ口フラスコに塩化テトラブチルアンモニウム(和光純薬工業(株)製)1mmolを計量し、反応装置内を乾燥窒素雰囲気に置換した。滴下ロートからクロロメチルトリクロロシラン(LS-30)を100mmol、ジメチルフェニルシラン(LS-2010、信越化学工業(株)製)を100mmol添加し、よく攪拌しながら、反応温度を90度に昇温した。2時間反応させたところで、1HNMRにてクロロメチルトリクロロシラン由来のシラン生成物の生成比を確認したところ、クロロメチルトリクロロシラン(LS-30)が30%、クロロメチルジクロロシランが52%、クロロメチルクロロシランが18%であり、クロロメチル基が還元された副生成物は観察されなかった。
表3に示すようにクロロメチルトリクロロシラン、ヒドロシラン化合物(C)と触媒(D)を、ガラスチューブ型反応容器に計り取り、脱揮封管した。表の温度、時間で反応を行い、反応物の1HNMRスペクトルによるクロロメチルトリクロロシラン由来のシラン生成物の比を表4に示した。
表5に示すようにクロロメチルトリクロロシラン、ジクロロメチルシラン(MeSiCl2H)、塩化テトラブチルアンモニウムをそれぞれ次の条件で反応させた。実施例24では還流管を装着した反応容器に各成分を計りとり、窒素気流下で、反応を行なった。実施例25ではオートクレーブ反応器に各成分を計りとり、密栓して反応を行なった。実施例26,27では、ガラスチューブ型反応容器に計りとり、脱揮封管して反応を行なった。表6に1HNMRスペクトルによるクロロメチル基含有シランの生成物比を示す。
表7に示すようにクロロメチルトリクロロシラン、ヒドロシラン(C)、塩化テトラブチルアンモニウムを、ガラスチューブ型反応容器に計りとり、脱揮封管して反応を行なった。表8に1HNMRスペクトルによるクロロメチルトリクロロシラン由来のシラン生成物の比を示す。
表9に示すようにクロロメチルトリクロロシラン、ジクロロメチルシラン(MeSiCl2H)、触媒(D)を、耐圧反応容器に計りとり、窒素置換、密栓して反応を行なった。表10に1HNMRスペクトルによるクロロメチル基含有シランの生成物比を示す。
還流管を取り付けた反応容器に塩化トリブチルメチルアンモニウム(セイケムアジア(株)製)1.2gを計量し、反応装置内を乾燥窒素雰囲気に置換した。クロロメチルトリクロロシラン(信越化学工業(株)製)を92g、ジクロロメチルシラン(MeSiCl2H、信越化学工業(株)製)を58g添加し、よく攪拌しながら昇温した。反応温度約60℃でジクロロメチルシランの還流が始まったので、そのまま2時間反応させたところで、1HNMRにてクロロメチル基含有シランの生成物の比を確認したところ、クロロメチルトリクロロシランが69%、クロロメチルジクロロシランが30%、クロロメチルクロロシランが1%であった。先ず、減圧蒸留により、シラン混合物と触媒を分離した。次に、常圧蒸留にて分留し、クロロメチルトリクロロシランが主成分の留分約40g、クロロメチルジクロロシランが主成分の留分約28g、メチルトリクロロシランが主成分の留分約25g、ジクロロメチルシランが主成分の留分約22gを得た。
クロロメチルトリクロロシラン95g、ジクロロメチルシラン63gとした以外は実施例41と同様に反応を開始した。2時間反応させた時点で、実施例41で得たジクロロメチルシラン22gをさらに添加し、反応を2時間続けた。クロロメチル基含有シランの生成比を確認したところ、クロロメチルトリクロロシランが49%、クロロメチルジクロロシランが44%、クロロメチルクロロシランが2%であった。実施例41と同様に蒸留操作を実施し、純度90%、38gのクロロメチルジクロロシランを得た。
表11に示すようにクロロメチルトリクロロシラン、ジクロロメチルシラン、触媒(D)を、耐圧反応容器に計りとり、窒素置換、密栓して反応を行なった。ここで用いた固体触媒のうち、アンバーリストA-21、ダイヤイオンWA30は水、メタノール、トルエン、ヘキサンの順で洗浄し、真空乾燥したものを使用した。アンバーリストB-20HGはそのまま真空乾燥したものを使用した。表12に1HNMRスペクトルによるクロロメチル基含有シランの生成物比を示す。
還流管を取り付けた反応容器に、洗浄、乾燥済みのアンバーリストA-21(オルガノ(株)製)1.3gを計量し、反応装置内を乾燥窒素雰囲気に置換した。クロロメチルトリクロロシランを4.6g、ジクロロメチルシラン(MeSiCl2H)を2.9g添加し、よく攪拌しながら昇温した。反応液を還流させながら2時間反応させた。1HNMRにてクロロメチル基含有シランの生成比を確認したところ、クロロメチルトリクロロシランが69%、クロロメチルジクロロシランが31%、クロロメチルクロロシランが1%であった。
表13に示すようにクロロメチルメチルジクロロシラン、ヒドロシラン(C)、触媒(D)を、ガラスチューブ型反応容器に計りとり、脱揮封管して反応を行なった。表14に1HNMRスペクトルによるクロロメチル基含有シランの生成物比を示す。
実施例18で得られた反応混合物を簡易蒸留し、クロロメチルトリクロロシラン、クロロメチルジクロロシラン、クロロメチルクロロシランの混合物(mol比22:58:20)を得た。この混合物にオルト蟻酸トリメチルをSi-Clの総mol量に対して等mol添加し、ついで、室温で脱水メタノールをオルト蟻酸トリメチルと等molゆっくりと滴下した。1時間後反応を終了し、反応溶液を1HNMR測定にて解析した結果、定量的にそれぞれ、クロロメチルトリメトキシシラン、クロロメチルジメトキシシラン、クロロメチルメトキシシランが得られていることが確認できた。
窒素雰囲気に置換した反応容器に、クロロメチルジクロロシラン1mmolを仕込み、0℃で亜燐酸トリメチル(シグマアルドリッチジャパン(株)製)2mmolを添加した。次いで脱水メタノール2mmolを滴下し、反応温度を室温まで昇温させた。50分後に反応液をサンプリングし、1HNMRにて反応状態を観察したところ、原料は消失し、クロロメチルジメトキシシランが主生成物として生成していることを確認できた。
窒素雰囲気に置換した反応容器に、クロロメチルジクロロシラン75mmolを仕込み、0℃でオルト蟻酸トリメチル150mmol(和光純薬工業株式会社製、水分量0.012%)滴下した。滴下後、反応温度を室温まで昇温し、反応させた。10分後にサンプリングし、1HNMRにて反応状態を観察したところ、原料は消失し、クロロメチルジメトキシシランが生成していることが確認できた。クロロメチルクロロメトキシシラン(ClCH2SiCl(OCH3)H)は検出されず、クロロメチルジクロロシランは短時間で完全にメトキシ化されることが確認できた。
実施例18と同様にして得たクロロメチルトリクロロシラン、クロロメチルジクロロシラン、クロロメチルクロロシランの混合物(mol比22:64:14)に対して、窒素雰囲気下、0℃でオルト蟻酸トリエチル(和光純薬工業株式会社製、水分量0.004%)を混合物のSi-Clの総mol量に対して等mol添加した。室温に昇温して、15分後にサンプリングし、1HNMRにて反応状態を観察したところ、原料は消失し、クロロメチルジエトキシシランが生成していることが確認できた。クロロメチルジエトキシシランの1HNMRスペクトルのピーク帰属:1H:4.56ppm(三重線)、4H:3.95ppm(四重線)、2.79ppm(二重線)、6H:1.28ppm(三重線)。
分子量約2,000のポリオキシプロピレンジオールを開始剤とし、亜鉛ヘキサシアノコバルテートグライム錯体触媒にてプロピレンオキシドの重合を行い、末端が水酸基である数平均分子量約14,500(送液システムとして東ソー製HLC-8120GPCを用い、カラムは東ソー製TSK-GEL Hタイプを用い、溶媒はTHFを用いて測定したポリスチレン換算分子量)のポリオキシプロピレンを得た。続いて、この水酸基末端ポリオキシプロピレンの水酸基に対して1.2倍当量のNaOMeのメタノール溶液を添加してメタノールを留去し、更に塩化アリルを添加して末端の水酸基をアリル基に変換した。未反応の塩化アリルを減圧脱揮により除去した。得られた未精製のアリル基末端ポリオキシプロピレン100重量部に対し、n-ヘキサン300重量部と、水300重量部を混合攪拌した後、遠心分離により水を除去し、得られたヘキサン溶液に更に水300重量部を混合攪拌し、再度遠心分離により水を除去した後、ヘキサンを減圧脱揮により除去した。以上により、末端がアリル基である数平均分子量約14,500の2官能ポリオキシプロピレン(I-1)を得た。
Fn=(M-M1/S-M1)/(M-I1/S-I1)×100(%)
にて算出し、Fnが80%であることを確認した。これにより重合体(M-1)は1分子あたり平均して、1.6個のメチルジメトキシシリル基を含有することがわかった。
ジメトキシメチルシラン1.8重量部の代わりにトリメトキシシラン2.1重量部を用いる以外は、(参考例3)と同様の操作を行い、トリメトキシシリル基末端ポリオキシプロピレン系重合体(M-2)を得た。
上記のアリル末端ポリオキシプロピレン(I-1)100重量部に対し、塩化白金酸の白金含量3wt%のイソプロピルアルコール溶液500ppmを触媒として、クロロメチルジクロロシラン2.7重量部と90℃で2時間反応させた。続いて、真空ポンプを用いて90℃で2時間反応液を減圧脱揮した。1H-NMRによる測定により、アリル基のピークが消失するとともに、クロロメチルジクロロシリル基が導入されたことを示すピークが2.79ppmに観察された。これによりクロロメチルジクロロシリル基末端ポリオキシプロピレン系重合体(H-1)が得られたことを確認した。
次に、重合体(H-1)100重量部に対して、オルト蟻酸トリメチル10重量部を添加し、70℃で脱水メタノール3.2重量部を滴下した。20分攪拌し、反応液が酸性から中性に変化したことをpH試験紙で確認した。再び、90℃で2時間真空脱揮し、1HNMRによる測定により、SiCH2Clのピーク(2.82ppm)、Si(OCH3)2のピーク(3.59ppm)、SiCH2CH2のピーク(0.80、1.68ppm)が観測され、クロロメチルジメトキシシリル基末端ポリオキシプロピレン系重合体(H-2)が得られたことを確認した。1HNMRスペクトルにて、重合体(H-2)の主鎖中のCH3ピークの積分値をS-H2、SiCH2Clピークの積分値をM-H2とする。クロロメチルジメトキシシリル基の導入率(Fn)を次式:
Fn=(M-H2/S-H2)/(M-I1/S-I1)×100(%)
にて算出し、Fnが80%であることを確認した。これにより重合体(H-2)は1分子あたり平均して、1.6個のクロロメチルジメトキシシリル基を含有することがわかった。
上記のアリル末端ポリオキシプロピレン(I-1)100重量部に対し、白金ビニルシロキサン錯体の白金含量3wt%のイソプロピルアルコール溶液200ppmを触媒として、クロロメチルジメトキシシランとクロロメチルトリメトキシシランの混合物(モル比77対23)4.3重量部と90℃で2時間反応させた。続いて、真空ポンプを用いて90℃で2時間反応液を減圧脱揮した。1H-NMRによる測定により、アリル基のピークが消失するとともに、クロロメチルジメトキシシリル基が導入されたことを示すピークが観察され、クロロメチルジメトキシシリル基末端ポリオキシプロピレン系重合体(H-3)が得られたことを確認した。
Fn=(M-H3/S-H3)/(M-I1/S-I1)×100(%)
にて算出し、Fnが80%であることを確認した。これにより重合体(H-3)は1分子あたり平均して、1.6個のクロロメチルジメトキシシリル基を含有することがわかった。
ジメトキシメチルシランの代わりに、トリエトキシシラン2.9重量部を用いる以外は、(参考例3)と同様の操作を行い、トリエトキシシリル基末端ポリオキシプロピレン系重合体(M-3)を得た。また、(参考例3)と同様の方法により、重合体(M-3)のFnが80%であることを確認した。これにより、重合体(M-3)は、1分子あたり平均して、1.6個のトリエトキシシリル基を含有することがわかった。
アリル末端ポリオキシプロピレン(I-1)100重量部に対し、白金ビニルシロキサン錯体の白金含量3wt%のイソプロピルアルコール溶液500ppmを触媒として、実施例56で得られたクロロメチルジエトキシシランが含有された混合物5.6重量部を100℃で5時間反応させた。続いて、真空ポンプを用いて100℃で2時間反応液を減圧脱揮した。1HNMR測定により、アリル基のピークが消失するとともに、クロロメチルジエトキシシリル基が導入されたことを示すピークが観察され、クロロメチルジエトキシシリル末端ポリオキシプロピレン系重合体(H-4)が得られたことを確認した。(実施例57)と同様の方法により、重合体(H-4)のFnが53%であることを確認した。これにより、重合体(H-4)は1分子あたり平均して、1.1個のクロロメチルジエトキシシリル基を有することがわかった。
脱酸素状態にした反応容器に、臭化第一銅0.84重量部、アクリル酸n-ブチル20重量部を仕込み、加熱撹拌した。重合溶媒としてアセトニトリル8.8重量部、開始剤として2,5-ジブロモアジピン酸ジエチル1.76重量部を添加、混合した。約80℃でペンタメチルジエチレントリアミン(以下、トリアミンと称す)を添加し重合を開始した。次いで、アクリル酸n-ブチル80重量部を逐次追加し、重合反応を進めた。重合中、適宜トリアミンを追加しながら、内温が約80℃~90℃になるように重合速度を調整した。重合に使用したトリアミンの総量は0.15重量部であった。モノマー転化率(重合反応率)が約95%以上の時点で未反応のアクリル酸n-ブチルおよびアセトニトリルを減圧脱揮により除去した。続いて、アセトニトリル35重量部、1,7-オクタジエン21重量部、トリアミン0.34重量部を添加、撹拌し反応を再開し、約80℃~90℃で数時間反応させ、重合体末端にアルケニル基を導入した。
上記のアクリル酸エステル系重合体(I-2)100重量部に対し、白金ビニルシロキサン錯体の白金含量3wt%のイソプロピルアルコール溶液670ppm、オルト蟻酸トリメチル1.2重量部、クロロメチルジメトキシシラン4.1重量部を加えて、100℃で4時間反応させた。続いて、真空ポンプを用いて、130℃で2時間反応液を減圧脱揮した。1HNMR測定により、アルケニル基のピークが消失するとともに、クロロメチルルジメトキシシリル基が導入されたことを示すピークが観察され、クロロメチルジメトキシシリル末端ポリアクリル酸エステル系重合体(H-5)が得られたことを確認した。
Fn=(M-H5/S-H5)/(M-I2/S-I2)×100(%)
にて算出し、Fnが95%であることを確認した。これにより、重合体(H-5)は1分子あたり平均して、1.9個のクロロメチルジメトキシシリル基を含有することがわかった。また、重合体(H-5)の数平均分子量は約25,600であった。
2Lの耐圧ガラス製容器に、三方コックを取り付け、容器内を窒素置換した後、注射器を用いて容器内に、エチルシクロヘキサン(モレキュラーシーブス3Aとともに1夜間以上放置することにより乾燥したもの)138mlおよびトルエン(モレキュラーシーブス3Aとともに1夜間以上放置することにより乾燥したもの)1012ml、1,4-ビス(α-クロロイソプロピル)ベンゼン8.14g(35.2mmol)を加えた。
上記のアリル末端イソブチレン系重合体(I-3)100重量部に対し、白金ビニルシロキサン錯体の白金含量3wt%のイソプロピルアルコール溶液200ppm、2,5-ジ-tert-ブチル-1,4-ベンゾキノン0.3重量部、クロロメチルジメトキシシラン6.7重量部を加えて、100℃で6時間反応させた。続いて、真空ポンプを用いて140℃で3時間反応液を減圧脱揮した。1HNMR測定により、アリル基のピークが消失するとともに、クロロメチルルジメトキシシリル基が導入されたことを示すピークが観察され、クロロメチルジメトキシシリル末端イソブチレン系重合体(H-6)が得られたことを確認した。
Fn=(M-H6/S-H6)/(M-I3/S-I3)×100(%)
にて算出し、Fnが74%であることを確認した。これにより、重合体(H-6)は1分子あたり平均して、1.5個のクロロメチルジメトキシシリル基を含有することがわかった。また、重合体(H-6)の数平均分子量は5780(GPCは送液システムとしてWaters LC Module1、カラムはShodex K-804を用いて測定したポリスチレン換算分子量)であった。
以下の方法により、反応性ケイ素基含有有機重合体の硬化性を評価した。
以下の方法により、クロロメチルジエトキシシリル末端ポリオキシプロピレン系重合体の硬化性を評価した。
以下の方法により、クロロメチルジメトキシシリル末端ポリアクリル酸エステル系重合体の硬化性を評価した。
以下の方法により、クロロメチルジメトキシシリル末端イソブチレン系重合体の硬化性を評価した。
分子量約2,000のポリオキシプロピレンジオールを開始剤とし、亜鉛ヘキサシアノコバルテートグライム錯体触媒にてプロピレンオキシドの重合を行い、末端が水酸基である数平均分子量約28,500(送液システムとして東ソー製HLC-8120GPCを用い、カラムは東ソー製TSK-GEL Hタイプを用い、溶媒はTHFを用いて測定したポリスチレン換算分子量)のポリオキシプロピレンを得た。続いて、この水酸基末端ポリオキシプロピレンの水酸基に対して1.2倍当量のNaOMeのメタノール溶液を添加してメタノールを留去し、更に塩化アリルを添加して末端の水酸基をアリル基に変換した。未反応の塩化アリルを減圧脱揮により除去した。得られた未精製のアリル基末端ポリオキシプロピレン100重量部に対し、n-ヘキサン300重量部と、水300重量部を混合攪拌した後、遠心分離により水を除去し、得られたヘキサン溶液に更に水300重量部を混合攪拌し、再度遠心分離により水を除去した後、ヘキサンを減圧脱揮により除去した。以上により、末端がアリル基である数平均分子量約28,500の2官能ポリオキシプロピレン(I-4)を得た。
参考例8で得られたアリル末端ポリオキシプロピレン(I-4)100重量部に対し、白金ビニルシロキサン錯体の白金含量3wt%のイソプロピルアルコール溶液100ppm、オルトぎ酸トリメチル1.2重量部を加え、クロロメチルジメトキシシラン1.7重量部と100℃で2時間反応させた。続いて、真空ポンプを用いて120℃で2時間反応液を減圧脱揮した。1H-NMRによる測定により、アリル基のピークが消失するとともに、クロロメチルジメトキシシリル基が導入されたことを示すピーク(-SiCH 2 Cl:2.82ppm(一重線))が観察され、クロロメチルジメトキシシリル基末端ポリオキシプロピレン系重合体(H-7)が得られたことを確認した。
Fn=(M-H7/S-H7)/(M-I4/S-I4)×100(%)
にて算出し、Fnが80%であることを確認した。これによりポリオキシプロピレン系重合体(H-7)は1分子あたり平均して、1.6個のクロロメチルジメトキシシリル基を含有することがわかった。
オルトぎ酸トリメチルを用いないこと以外は、実施例78と同様の方法で、クロロメチルジメトキシシリル基末端ポリオキシプロピレン系重合体(H-8)を得た。また、実施例78と同様の方法で、Fnが80%であることを確認した。
重合体(H-7)、(H-8)を、それぞれ23℃、湿度55%の条件下で、反応容器からガラス瓶に移し、窒素置換し、蓋をした。これら試料を表12に示す温度で貯蔵し、それぞれ貯蔵前(初期)、貯蔵開始1週間後、2週間後、4週間後に重合体の粘度をE型粘度計(東京計器製 VISCONIC EHD、測定温度23℃)により測定した。重合体(H-7)および重合体(H-8)の初期粘度に対する貯蔵後の粘度の比を粘度比(貯蔵後の粘度/初期粘度)とし、貯蔵安定性を評価した。結果を表19に示す。
表20に示す処方に従って、先ず重合体(H)または(M)、充填材、顔料、可塑剤、各種安定剤を3本ロールを用いて均一に混錬し、ついでプラネタリーミキサーを用いて、脱水しながら、シランカップリング剤およびシラノール縮合触媒を添加し、均一に混錬した。混錬した組成物を素早くアルミカートリッジに封入し、1液型硬化性組成物を作成した。なお、1-フェニルグアニジンはN-n-ブチルベンゼンスルホンアミド(富士アミドケミカル(株)製、商品名:トップサイザーNo.7)に溶解させたものを用いた。表中の数値は1-フェニルグアニジンの量である。
ジメトキシメチルシランを1.4重量部を用いる以外は、(参考例3)と同様の操作を行い、Fnが65%であるジメトキシメチルシリル基末端ポリオキシプロピレン系重合体(M-5)を得た。
クロロメチルジメトキシシランを1.8重量部用いる以外は、(参考例3)と同様の操作を行い、Fnが65%であるクロロメチルジメトキシシリル基末端ポリオキシプロピレン系重合体(H-9)を得た。
表21に示す処方に従って、実施例84と同様の操作により、1液型硬化性組成物を作成した。
Claims (32)
- 一般式(1):
H-SiR2 c(CR1 3-bYb)aX3-a-c (1)
(式中、R1は、それぞれ独立に、水素原子または置換あるいは非置換の炭素原子数1から20の炭化水素基である。R2は、それぞれ独立に、置換あるいは非置換の炭素原子数1から20の炭化水素基である。Xはそれぞれ独立に、ハロゲン原子である。Yはハロゲン原子、-OR3、-NR4R5、-N=R6、-SR7(R3、R4、R5、R7はそれぞれ水素原子または炭素原子数1から20の置換あるいは非置換の炭化水素基、R6は炭素原子数1から20の2価の置換あるいは非置換の炭化水素基である。)、炭素原子数1から20のペルフルオロアルキル基、シアノ基、から選択される基である。aは1または2、bは1,2,3のいずれか、cは1または0であり、a+cが2を超えることはない。)で表されるハロヒドロシラン化合物(A)を、一般式(2):
SiR2 c(CR1 3-bYb)aX4-a-c (2)
(式中、R1、R2、X、Y、a、b、cは上記と同じ。)で表されるハロシラン化合物(B)をヒドロシラン化合物(C)と反応させることによって製造する方法。 - Xが、クロロ基である請求項1に記載のシラン化合物の製造方法。
- Yがハロゲン原子である請求項1または2に記載のシラン化合物の製造方法。
- ハロヒドロシラン化合物(A)がクロロメチルジクロロシラン(ClCH2SiCl2H)である請求項1から3のいずれかに記載のシラン化合物の製造方法。
- ヒドロシラン化合物(C)が、1つのケイ素原子上に1つだけヒドロ基を有するモノヒドロシラン化合物(C1)である請求項1から4のいずれかに記載のシラン化合物の製造方法。
- モノヒドロシラン化合物(C1)が、一般式(3):
H-SiR8 gZ3-g (3)
(式中、R8はそれぞれ独立に、置換あるいは非置換の炭素原子数1から20の炭化水素基、またはR9 3SiO-(R9はそれぞれ独立に、炭素原子数1から20の置換あるいは非置換の炭化水素基である。)から選択される基である。Zはそれぞれ独立に、ハロゲン原子、アルコキシ基、アリールオキシ基から選択される基である。gは1、2、3のいずれかである。)で表される化合物である請求項5に記載のシラン化合物の製造方法。 - ヒドロシラン(C)が、メチルジクロロシランである請求項5に記載のシラン化合物の製造方法。
- 一般式(3)のgが3である請求項6に記載のシラン化合物の製造方法。
- ヒドロシラン(C)が一般式(4):
HdSiR10 eR11 4-d-e (4)
(式中、R10はそれぞれ独立に置換あるいは非置換の芳香族炭化水素基、R11はそれぞれ独立に置換あるいは非置換の炭素原子数1から20の脂肪族炭化水素基、ハロゲン原子、アルコキシ基、アリールオキシ基から選択される基である。dは1、2、3のいずれかであり、eは1、2、3のいずれかであり、dとeの合計が4を超えることはない。)で表されるアリールヒドロシラン化合物(C2)である請求項1から4のいずれかに記載のシラン化合物の製造方法。 - dが1である請求項9に記載のシラン化合物の製造方法。
- eが1または2である請求項9または10に記載のシラン化合物の製造方法。
- ヒドロシラン化合物(C)が、フェニルシラン、ジフェニルシラン、ジメチルフェニルシランのいずれかである請求項5に記載のシラン化合物の製造方法。
- ハロシラン化合物(B)とヒドロシラン化合物(C)の反応の触媒(D)として、第四アンモニウム塩および/または第四ホスホニウム塩を用いる請求項1から9のいずれかに記載のシラン化合物の製造方法。
- 触媒(D)がテトラブチルアンモニウム塩、メチルトリブチルアンモニウム塩のいずれかである請求項13に記載のシラン化合物の製造方法。
- 触媒(D)が塩化第四アンモニウム塩である請求項13または14に記載のシラン化合物の製造方法。
- 触媒(D)が塩化テトラブチルアンモニウムおよび/または塩化トリブチルメチルアンモニウムである請求項13に記載のシラン化合物の製造方法。
- 触媒(D)として、イオン交換樹脂を用いる請求項1から9のいずれかに記載のシラン化合物の製造方法。
- イオン交換樹脂が、陰イオン交換樹脂である請求項17に記載のシラン化合物の製造方法。
- 陰イオン交換樹脂が、置換あるいは非置換のアミノ基を有する陰イオン交換樹脂である請求項18に記載のシラン化合物の製造方法。
- 請求項1から19のいずれかに記載の方法で製造した一般式(1)で表されるハロヒドロシラン(A)とアルコール(F)とを反応させることによる、一般式(5):
H-SiR2 c(CR1 3-bYb)a(OR12)3-a-c (5)
(式中、R1、R2、Y、a、b、cは上記と同じ。R12はそれぞれ独立に、置換あるいは非置換の炭素原子数1から20の炭化水素基である。)で表されるアルコキシヒドロシラン化合物(E)の製造方法。 - ハロヒドロシラン(A)とアルコール(F)を、酸捕捉剤(G)の存在下で反応させることによる、請求項20に記載のシラン化合物の製造方法。
- 酸捕捉剤(G)がオルトカルボン酸トリアルキル、亜燐酸トリアルキルから選択される1種以上である請求項21に記載のシラン化合物の製造方法。
- 酸捕捉剤(G)がオルト蟻酸トリメチルである請求項22に記載のシラン化合物の製造方法。
- ハロヒドロシラン(A)とオルトカルボン酸トリアルキルとを反応させることによるアルコキシヒドロシラン(E)の製造方法。
- ヒドロアルコキシシラン(E)がクロロメチルジメトキシシラン(ClCH2Si(OCH3)2H)である請求項20から24のいずれかに記載のシラン化合物の製造方法。
- 一般式(6):
-CHR13CR13 2-SiR2 c(CR1 3-bYb)aZ3-a-c (6)
(式中、R1、R2、Y、a、b、cは上記と同じ。R13はそれぞれ独立に、水素原子または置換あるいは非置換の炭素原子数1から20の炭化水素基である。Zはそれぞれ独立に、水酸基または加水分解性基である。)で表される反応性ケイ素含有基を有する重合体(H)。 - 請求項1から19のいずれかに記載の製造方法によって得られたハロヒドロシラン化合物(A)と、一般式(7):
-CR13=CR13 2 (7)
(式中、R13は上記と同じ。)で表される不飽和基を有する重合体(I)を反応させて、重合体(H)を製造する方法。 - 請求項20から25のいずれかに記載の製造方法によって得られたアルコキシヒドロシラン化合物(E)と不飽和基を有する重合体(I)を反応させて、重合体(H)を製造する方法。
- さらにオルトカルボン酸トリアルキル、および/または、亜燐酸トリアルキルを併用する、請求項27または28のいずれかに記載の重合体(H)の製造方法。
- 重合体(H)の主鎖骨格が、ポリオキシアルキレン系重合体、飽和炭化水素系重合体、および(メタ)アクリル酸エステル系重合体からなる群から選択される少なくとも1種の有機重合体である請求項26に記載の重合体(H)。
- 請求項26または請求項30に記載の重合体(H)とシラノール縮合触媒(J)を含有する硬化性組成物。
- シラノール縮合触媒(J)がアミン系化合物(J1)である請求項31に記載の硬化性組成物。
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EP (3) | EP2392600B1 (ja) |
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Also Published As
Publication number | Publication date |
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EP2308884B1 (en) | 2015-05-06 |
EP2392600B1 (en) | 2015-12-23 |
EP2386561A1 (en) | 2011-11-16 |
JP2012167287A (ja) | 2012-09-06 |
CN102037000A (zh) | 2011-04-27 |
US20110207886A1 (en) | 2011-08-25 |
JP5506860B2 (ja) | 2014-05-28 |
US20120196981A1 (en) | 2012-08-02 |
CN102174188B (zh) | 2014-11-26 |
EP2308884A1 (en) | 2011-04-13 |
EP2386561B1 (en) | 2016-01-13 |
JPWO2010004948A1 (ja) | 2012-01-05 |
JP5528339B2 (ja) | 2014-06-25 |
CN102174188A (zh) | 2011-09-07 |
EP2392600A1 (en) | 2011-12-07 |
JP2012158617A (ja) | 2012-08-23 |
EP2308884A4 (en) | 2011-11-09 |
CN102140108A (zh) | 2011-08-03 |
JP5528502B2 (ja) | 2014-06-25 |
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