WO2022048914A1 - Verfahren zur herstellung von polysulfansilanen mittels phasentransferkatalyse - Google Patents
Verfahren zur herstellung von polysulfansilanen mittels phasentransferkatalyse Download PDFInfo
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- WO2022048914A1 WO2022048914A1 PCT/EP2021/073015 EP2021073015W WO2022048914A1 WO 2022048914 A1 WO2022048914 A1 WO 2022048914A1 EP 2021073015 W EP2021073015 W EP 2021073015W WO 2022048914 A1 WO2022048914 A1 WO 2022048914A1
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- Prior art keywords
- formula
- polysulfansilanes
- catalyst
- preparing
- eto
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 150000004756 silanes Chemical class 0.000 title abstract description 3
- 229910000057 polysulfane Inorganic materials 0.000 title abstract 2
- 238000003408 phase transfer catalysis Methods 0.000 title description 16
- 239000003054 catalyst Substances 0.000 claims abstract description 25
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 13
- 239000011593 sulfur Substances 0.000 claims abstract description 13
- 239000008346 aqueous phase Substances 0.000 claims abstract description 11
- 239000003444 phase transfer catalyst Substances 0.000 claims abstract description 9
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 3
- 150000002367 halogens Chemical class 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 24
- 238000006243 chemical reaction Methods 0.000 claims description 22
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 21
- 238000002360 preparation method Methods 0.000 claims description 14
- 125000003118 aryl group Chemical group 0.000 claims description 10
- 125000001931 aliphatic group Chemical group 0.000 claims description 8
- 229910052700 potassium Inorganic materials 0.000 claims description 7
- 229910052708 sodium Inorganic materials 0.000 claims description 7
- LYWKAJZTPLXHEM-UHFFFAOYSA-M bis(diethylamino)methylidene-diethylazanium;chloride Chemical compound [Cl-].CCN(CC)C(N(CC)CC)=[N+](CC)CC LYWKAJZTPLXHEM-UHFFFAOYSA-M 0.000 claims description 6
- 125000001183 hydrocarbyl group Chemical group 0.000 claims description 6
- 229920006395 saturated elastomer Polymers 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 4
- SILIJWGWWDQOGN-UHFFFAOYSA-M [Cl-].CCCCCC[N+](=C(N(CC)CC)N(CC)CC)CCCCCC Chemical compound [Cl-].CCCCCC[N+](=C(N(CC)CC)N(CC)CC)CCCCCC SILIJWGWWDQOGN-UHFFFAOYSA-M 0.000 claims description 4
- ZBOHREJNHNIBPL-UHFFFAOYSA-M bis(diethylamino)methylidene-dibutylazanium;chloride Chemical compound [Cl-].CCCC[N+](CCCC)=C(N(CC)CC)N(CC)CC ZBOHREJNHNIBPL-UHFFFAOYSA-M 0.000 claims description 4
- CTMBHLYOMZBJDT-UHFFFAOYSA-M bis(diethylamino)methylidene-dipentylazanium;chloride Chemical compound [Cl-].CCCCC[N+](=C(N(CC)CC)N(CC)CC)CCCCC CTMBHLYOMZBJDT-UHFFFAOYSA-M 0.000 claims description 4
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 claims description 3
- 125000000027 (C1-C10) alkoxy group Chemical group 0.000 claims description 2
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 claims description 2
- 125000006736 (C6-C20) aryl group Chemical group 0.000 claims description 2
- 125000003358 C2-C20 alkenyl group Chemical group 0.000 claims description 2
- QXDCTLLDMSWFIO-UHFFFAOYSA-M CCCCN(CCCC)C(N(CCCC)CCCC)=[N+](CCC)CCC.[Cl-] Chemical compound CCCCN(CCCC)C(N(CCCC)CCCC)=[N+](CCC)CCC.[Cl-] QXDCTLLDMSWFIO-UHFFFAOYSA-M 0.000 claims description 2
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 2
- BCFNFTMYSPNVFA-UHFFFAOYSA-M [Cl-].C(C)N(C(=[N+](CCCC)CCCC)N(CCCC)CCCC)CC Chemical compound [Cl-].C(C)N(C(=[N+](CCCC)CCCC)N(CCCC)CCCC)CC BCFNFTMYSPNVFA-UHFFFAOYSA-M 0.000 claims description 2
- IFODICJVTQUOTE-UHFFFAOYSA-M [Cl-].C(CC)N(C(N(CCC)CCC)=[N+](CC)CC)CCC Chemical compound [Cl-].C(CC)N(C(N(CCC)CCC)=[N+](CC)CC)CCC IFODICJVTQUOTE-UHFFFAOYSA-M 0.000 claims description 2
- XREXQFQBUFVOIU-UHFFFAOYSA-M [Cl-].CCCCN(C(N(C)C)=[N+](C)C)CCCC Chemical compound [Cl-].CCCCN(C(N(C)C)=[N+](C)C)CCCC XREXQFQBUFVOIU-UHFFFAOYSA-M 0.000 claims description 2
- MPMBQLXRRZASNS-UHFFFAOYSA-M [Cl-].CCCCN(CCCC)C(=[N+](C)C)N(CCCC)CCCC Chemical compound [Cl-].CCCCN(CCCC)C(=[N+](C)C)N(CCCC)CCCC MPMBQLXRRZASNS-UHFFFAOYSA-M 0.000 claims description 2
- UVWXGNHEJYPWSR-UHFFFAOYSA-M [Cl-].CCC[N+](CCC)=C(N(CC)CC)N(CC)CC Chemical compound [Cl-].CCC[N+](CCC)=C(N(CC)CC)N(CC)CC UVWXGNHEJYPWSR-UHFFFAOYSA-M 0.000 claims description 2
- ZDNBZEHVQVFQCA-UHFFFAOYSA-M [dimethylamino-(dipentylamino)methylidene]-dimethylazanium;chloride Chemical compound [Cl-].CCCCCN(C(N(C)C)=[N+](C)C)CCCCC ZDNBZEHVQVFQCA-UHFFFAOYSA-M 0.000 claims description 2
- 125000003342 alkenyl group Chemical group 0.000 claims description 2
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 2
- XITDVUSTERASMY-UHFFFAOYSA-M bis(dipropylamino)methylidene-dipropylazanium;chloride Chemical compound [Cl-].CCCN(CCC)C(N(CCC)CCC)=[N+](CCC)CCC XITDVUSTERASMY-UHFFFAOYSA-M 0.000 claims description 2
- 229920000570 polyether Polymers 0.000 claims description 2
- 238000006798 ring closing metathesis reaction Methods 0.000 claims description 2
- 125000001424 substituent group Chemical group 0.000 claims description 2
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 claims 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 abstract description 3
- 229910000077 silane Inorganic materials 0.000 abstract description 3
- -1 alkyl guanidinium Chemical compound 0.000 abstract description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 27
- 235000019256 formaldehyde Nutrition 0.000 description 26
- 239000000178 monomer Substances 0.000 description 18
- 239000000047 product Substances 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 239000007864 aqueous solution Substances 0.000 description 15
- 238000004128 high performance liquid chromatography Methods 0.000 description 15
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 15
- VTHOKNTVYKTUPI-UHFFFAOYSA-N triethoxy-[3-(3-triethoxysilylpropyltetrasulfanyl)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCSSSSCCC[Si](OCC)(OCC)OCC VTHOKNTVYKTUPI-UHFFFAOYSA-N 0.000 description 14
- 238000004817 gas chromatography Methods 0.000 description 13
- 239000011541 reaction mixture Substances 0.000 description 13
- 238000003860 storage Methods 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 10
- 125000002572 propoxy group Chemical group [*]OC([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 10
- FBBATURSCRIBHN-UHFFFAOYSA-N triethoxy-[3-(3-triethoxysilylpropyldisulfanyl)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCSSCCC[Si](OCC)(OCC)OCC FBBATURSCRIBHN-UHFFFAOYSA-N 0.000 description 10
- 239000012043 crude product Substances 0.000 description 9
- 239000012071 phase Substances 0.000 description 9
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 description 9
- KSCAZPYHLGGNPZ-UHFFFAOYSA-N 3-chloropropyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)CCCCl KSCAZPYHLGGNPZ-UHFFFAOYSA-N 0.000 description 8
- 238000004895 liquid chromatography mass spectrometry Methods 0.000 description 8
- 239000010409 thin film Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 description 7
- 239000000725 suspension Substances 0.000 description 7
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
- 239000007857 degradation product Substances 0.000 description 6
- 239000011734 sodium Substances 0.000 description 6
- 239000002585 base Substances 0.000 description 5
- CASUWTAPYGBPLM-UHFFFAOYSA-M bis(dibutylamino)methylidene-dibutylazanium;chloride Chemical compound [Cl-].CCCCN(CCCC)C(N(CCCC)CCCC)=[N+](CCCC)CCCC CASUWTAPYGBPLM-UHFFFAOYSA-M 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 4
- 238000007792 addition Methods 0.000 description 4
- JQVDAXLFBXTEQA-UHFFFAOYSA-N dibutylamine Chemical compound CCCCNCCCC JQVDAXLFBXTEQA-UHFFFAOYSA-N 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000002290 gas chromatography-mass spectrometry Methods 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 231100001261 hazardous Toxicity 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- RYZIYCGDBGNDHE-UHFFFAOYSA-N (2-chloro-1,1-diethoxyethoxy)silane Chemical compound ClCC(O[SiH3])(OCC)OCC RYZIYCGDBGNDHE-UHFFFAOYSA-N 0.000 description 1
- FLWIQLRQQIGXIH-UHFFFAOYSA-N 1-chloropropan-2-yloxy(dimethyl)silane Chemical compound ClCC(C)O[SiH](C)C FLWIQLRQQIGXIH-UHFFFAOYSA-N 0.000 description 1
- UHARCASMIQRWKG-UHFFFAOYSA-N 2-chloroethyl(diethoxymethyl)silane Chemical compound CCOC(OCC)[SiH2]CCCl UHARCASMIQRWKG-UHFFFAOYSA-N 0.000 description 1
- STWNSQAKFCXKRU-UHFFFAOYSA-N 2-chloroethyl(dimethoxymethyl)silane Chemical compound COC(OC)[SiH2]CCCl STWNSQAKFCXKRU-UHFFFAOYSA-N 0.000 description 1
- IKBFHCBHLOZDKH-UHFFFAOYSA-N 2-chloroethyl(triethoxy)silane Chemical compound CCO[Si](CCCl)(OCC)OCC IKBFHCBHLOZDKH-UHFFFAOYSA-N 0.000 description 1
- CASYTJWXPQRCFF-UHFFFAOYSA-N 2-chloroethyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)CCCl CASYTJWXPQRCFF-UHFFFAOYSA-N 0.000 description 1
- MGLQRAQKKGYLPA-UHFFFAOYSA-N 2-chloroethyl-ethoxy-dimethylsilane Chemical compound CCO[Si](C)(C)CCCl MGLQRAQKKGYLPA-UHFFFAOYSA-N 0.000 description 1
- JPUCXJPPHJORGK-UHFFFAOYSA-N 2-chloroethyl-methoxy-dimethylsilane Chemical compound CO[Si](C)(C)CCCl JPUCXJPPHJORGK-UHFFFAOYSA-N 0.000 description 1
- FKYDXMGBRXFZAF-UHFFFAOYSA-N 3-chlorobutyl(diethoxymethoxy)silane Chemical compound CCOC(OCC)O[SiH2]CCC(C)Cl FKYDXMGBRXFZAF-UHFFFAOYSA-N 0.000 description 1
- JPCAUZOMHQJBBP-UHFFFAOYSA-N 3-chlorobutyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)CCC(C)Cl JPCAUZOMHQJBBP-UHFFFAOYSA-N 0.000 description 1
- WKZFYIZYGVNWCZ-UHFFFAOYSA-N 3-chlorobutyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)CCC(C)Cl WKZFYIZYGVNWCZ-UHFFFAOYSA-N 0.000 description 1
- SBPOFRFFAXFFKS-UHFFFAOYSA-N 3-chloropropyl(diethoxymethoxy)silane Chemical compound CCOC(OCC)O[SiH2]CCCCl SBPOFRFFAXFFKS-UHFFFAOYSA-N 0.000 description 1
- PGOBLSHQPLVMNX-UHFFFAOYSA-N 3-chloropropyl(diethoxymethyl)silane Chemical compound CCOC(OCC)[SiH2]CCCCl PGOBLSHQPLVMNX-UHFFFAOYSA-N 0.000 description 1
- UMDGFWKUXADMBO-UHFFFAOYSA-N 3-chloropropyl(dimethoxymethyl)silane Chemical compound COC(OC)[SiH2]CCCCl UMDGFWKUXADMBO-UHFFFAOYSA-N 0.000 description 1
- OXYZDRAJMHGSMW-UHFFFAOYSA-N 3-chloropropyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)CCCCl OXYZDRAJMHGSMW-UHFFFAOYSA-N 0.000 description 1
- IIFBEYQLKOBDQH-UHFFFAOYSA-N 3-chloropropyl-ethoxy-dimethylsilane Chemical compound CCO[Si](C)(C)CCCCl IIFBEYQLKOBDQH-UHFFFAOYSA-N 0.000 description 1
- JTWDWVCNOLORBR-UHFFFAOYSA-N 3-chloropropyl-methoxy-dimethylsilane Chemical compound CO[Si](C)(C)CCCCl JTWDWVCNOLORBR-UHFFFAOYSA-N 0.000 description 1
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 description 1
- 239000005695 Ammonium acetate Substances 0.000 description 1
- ZTXSQLNGWGYTEX-UHFFFAOYSA-N CCOC(OCC)O[SiH2]CCCl Chemical compound CCOC(OCC)O[SiH2]CCCl ZTXSQLNGWGYTEX-UHFFFAOYSA-N 0.000 description 1
- 229910020366 ClO 4 Inorganic materials 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 229910001508 alkali metal halide Inorganic materials 0.000 description 1
- 150000008045 alkali metal halides Chemical class 0.000 description 1
- 229910052936 alkali metal sulfate Inorganic materials 0.000 description 1
- 235000019257 ammonium acetate Nutrition 0.000 description 1
- 229940043376 ammonium acetate Drugs 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- ZDOBWJOCPDIBRZ-UHFFFAOYSA-N chloromethyl(triethoxy)silane Chemical compound CCO[Si](CCl)(OCC)OCC ZDOBWJOCPDIBRZ-UHFFFAOYSA-N 0.000 description 1
- FPOSCXQHGOVVPD-UHFFFAOYSA-N chloromethyl(trimethoxy)silane Chemical compound CO[Si](CCl)(OC)OC FPOSCXQHGOVVPD-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- NBBQQQJUOYRZCA-UHFFFAOYSA-N diethoxymethylsilane Chemical compound CCOC([SiH3])OCC NBBQQQJUOYRZCA-UHFFFAOYSA-N 0.000 description 1
- XYYQWMDBQFSCPB-UHFFFAOYSA-N dimethoxymethylsilane Chemical compound COC([SiH3])OC XYYQWMDBQFSCPB-UHFFFAOYSA-N 0.000 description 1
- VDQVEACBQKUUSU-UHFFFAOYSA-M disodium;sulfanide Chemical compound [Na+].[Na+].[SH-] VDQVEACBQKUUSU-UHFFFAOYSA-M 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- VJOOEHFQQLYDJI-UHFFFAOYSA-N methoxy(dimethyl)silane Chemical compound CO[SiH](C)C VJOOEHFQQLYDJI-UHFFFAOYSA-N 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000013215 result calculation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 239000013076 target substance Substances 0.000 description 1
- 238000010998 test method Methods 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
- C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
- C07F7/1804—Compounds having Si-O-C linkages
-
- 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
- C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
- C07F7/1804—Compounds having Si-O-C linkages
- C07F7/1872—Preparation; Treatments not provided for in C07F7/20
- C07F7/1892—Preparation; Treatments not provided for in C07F7/20 by reactions not provided for in C07F7/1876 - C07F7/1888
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
Definitions
- the invention relates to a process for preparing polysulfansilanes by means of phase transfer catalysis using alkylguanidinium halide as catalyst.
- US Pat. No. 5,468,893 discloses the preparation of polysulfanesilanes using phase transfer catalysis in the presence of an alkali metal halide or alkali metal sulfate.
- EP 19217272.4 discloses the production of polysulfansilanes by means of phase transfer catalysis and subsequent purification of the crude products by means of carrier vapor distillation and/or ozone treatment during or after the reaction.
- CN 108250233 A discloses the preparation of bis(triethoxysilylpropyl)tetrasulfane using a catalyst with the addition of potassium iodide.
- hexabutylguanidinium chloride can be used as a catalyst.
- the crude product is purified by filtration through activated carbon.
- WO 2006/113122 discloses the preparation of thiocarboxylate silanes using phase transfer catalysis and the use of alkylguanidinium salts.
- the object of the present invention is to provide a simple PTC process for preparing polysulfanesilanes, in which the product is free from toxic Minor components and is stable in storage and the monomer content remains relatively constant without the need for additional purification steps.
- the invention relates to a process for the preparation of polysulfanesilanes of the formula I (R 1 ) 3-m R 2 m Si-R 3 -S x -R 3 -SiR 2 m (OR 1 ) 3-m I where R 1 is or are different and C1-C10-alkoxy group, preferably ethoxy or methoxy, particularly preferably ethoxy, phenoxy group or alkyl polyether group -(R'-O) r R" with R' are identical or different and a branched or unbranched, saturated or unsaturated, aliphatic, aromatic or mixed aliphatic/aromatic divalent C1-C30 hydrocarbon group, preferably C 2 H 4 , r is an integer from 1 to 30, preferably 5, and R" is unsubstituted or substituted, branched or unbranched monovalent alkyl, alkenyl, aryl or aralkyl group, preferably C11-C15 alkyl group, R 2
- Hal CI
- Y can preferably be equal to N.
- Y can preferably be N, n is 1 and at least two groups of R 4 , R 5 , R 6 , R 7 , R 8 and R 9 are -(CH 2 ) 2 CH 3 , -CH 2 CH 3 or -CH 3 be.
- Y can be N
- n can be 1 and at least four of R 4 , R 5 , R 6 , R 7 , R 8 and R 9 can be -CH 2 CH 3 or -CH 3 .
- Polysulfansilanes of the formula I can be:
- the catalyst of formula III Alkylguanidinium hexaethylguanidinium chloride, Hexapropylguanidiniumchlorid, Dimethyltetrabutylguanidiniumchlorid, Tetramethyldibutylguanidiniumchlorid, Diethyltetrabutylguanidiniumchlorid, Tetrabutyldipropylguanidiniumchlorid, Dibutyltetrapropylguanidiniumchlorid, Diethyltetrapropylguanidiniumchlorid, Tetraethyldipropylguanidiniumchlorid, Tetraethyldibutylguanidiniumchlorid, Tetraethyldipentylguanidiniumchlorid, Tetramethyldipentylguanidiniumchlorid, Dipentyltetrapropylguanidiniumchlorid Tetraethyl
- the base used can preferably be Na 2 CO 3 or NaOH.
- the process according to the invention for preparing polysulfanesilanes of the formula I can be carried out at temperatures of from 25.degree. C. to 200.degree. C., preferably at from 60.degree. C. to 110.degree.
- the phase transfer catalyst of the formula III and then the halosilane of the formula II can be added to the aqueous phase, prepared by M(SH) y , preferably NaSH, a base, preferably NaOH or Na 2 CO3 , preferably in aqueous solution, and sulfur.
- the molar ratio between the halosilane of the formula II used and the M(SH) y used can be between 1.0:0.35 and 1.0:1.0, preferably between 1.0:0.45 and 1.0: 0.55.
- the molar ratio between the halosilane of the formula II used and the base can be between 1.0:0.35 and 1.0:1.0, preferably between 1.0:0.45 and 1.0:0.60 .
- the molar ratio between the halosilane of the formula II used and sulfur can be between 1.0:0.4 and 1.0:3.0, preferably between 1.0:0.5 and 1.0:1.5.
- the molar ratio between the halosilane of the formula II used and the phase transfer catalyst of the formula III can be between 1.0:0.0005 and 1.0:0.05, preferably between 1.0:0.0005 and 1.0:0.005. be.
- the process according to the invention for preparing polysulfanesilanes of the formula I can be carried out without an organic solvent.
- the aqueous phase used can contain process salts from the preliminary batch.
- the amount of the phase transfer catalyst of the formula III can be added partially or completely.
- the aqueous phase can be mixed with the silane of the formula II. Both the aqueous phase can be metered into the halosilane of the formula II and the halosilane of the formula II can be metered into the aqueous phase.
- the halosilane of the formula II is preferably metered into the aqueous phase.
- the halosilane of the formula II can be added in portions or continuously, preferably continuously.
- the process according to the invention can be carried out in an atmospherically open or closed reaction vessel.
- the contents of the reaction vessel can be mixed. External circulation, agitation of the contents of the reaction vessel by gases or stirrers, preferably stirrers, are suitable for mixing the contents of the reaction vessel.
- the process can be carried out continuously or batchwise.
- the aqueous phase can be separated from the organic phase.
- the salt formed as a by-product can be removed by filtration.
- Volatile secondary components can be removed by thin film evaporation.
- the advantage of the process according to the invention is the avoidance of toxic secondary components in the product and contamination of the product by the catalyst and the associated improved storage stability of the product.
- GC Analytical gas chromatography
- a C18 column was used for LC-MS measurements (mobile phase: A: 5 mmol ammonium acetate in water, B: 1-propanol+acetonitrile (1:1 vol%), gradient).
- the target substance was calibrated externally and measured in SIM mode.
- Tetra-n-butylammonium bromide (17 g, 0.03 mol, 0.01 equiv, 50% aqueous solution) and (3-chloropropyl)triethoxysilane (999 g, 4.2 mol, 2.0 equiv) were at 70-80°C successively added to the reaction mixture.
- water (249 g) was added and the phases separated at 71°C.
- the crude product (1.1 kg) was obtained as a yellow liquid.
- Low boilers were then removed using a thin film evaporator at 140° C. and 10 mbar abs. removed so that the bis (triethoxysilylpropyl) tetrasulfane was isolated as the bottom product and then filtered.
- Tetra-n-butylammonium bromide (20 g, 0.03 mol, 0.02 equiv, 50% aqueous solution) and (3-chloropropyl)triethoxysilane (743 g, 3.1 mol, 2.0 equiv) were at 70-80°C successively added to the reaction mixture.
- water (589 g) was added and the phases separated at 71°C.
- the crude product (793 g) was obtained as a yellow liquid.
- Low boilers were then removed using a thin film evaporator at 140° C. and 10 mbar abs. removed so that the bis (triethoxysilylpropyl) disulfane was isolated as the bottom product and then filtered.
- Hexabutylguanidinium chloride (2.8 g, 0.003 mol, 0.004 equiv., 50% aqueous solution) and (3-chloropropyl)triethoxysilane (372 g, 1.5 mol, 2.0 equiv.) were sequentially treated at 70-80°C added to the reaction mixture. The suspension was stirred at 75° C. for 3 hours. After the reaction was complete, water (426 g) was added and the phases separated at 71°C. The crude product (355.32 g) was obtained as a yellow liquid. Low boilers were then removed using a thin film evaporator at 140° C. and 10 mbar abs. removed so that the bis (triethoxysilylpropyl) disulfane was isolated as the bottom product and then filtered.
- Hexabutylguanidinium chloride (1.1 g, 0.001 mol, 0.003 equiv., 50% aqueous solution) and (3-chloropropyl)triethoxysilane (250 g, 1.0 mol, 2.0 equiv.) were sequentially treated at 70-80°C added to the reaction mixture.
- water (98 g) was added and the phases separated at 71°C.
- the crude product (277.91 g) was obtained as an orange to brown liquid.
- Low boilers were then removed using a thin film evaporator at 140° C. and 10 mbar abs. removed so that the bis (triethoxysilylpropyl) tetrasulfane was isolated as the bottom product and then filtered.
- Example 1 Bis(triethoxysilylpropyl)disulfane with tetraethyldibutylguanidinium chloride
- Tetraethyldibutylguandinium chloride (4.1 g, 0.006 mol, 0.008 equiv., 50% aqueous solution) and (3-chloropropyl)triethoxysilane (372 g, 1.5 mol, 2.0 equiv.) were sequentially treated at 70-80°C added to the reaction mixture. The suspension was stirred at 75° C. for 3 hours. After the reaction was complete, water (450.00 g) was added and the phases separated at 71°C. The Crude product (361.16 g) was obtained as a colorless to light green liquid. Low boilers were then removed using a thin film evaporator at 140° C. and 10 mbar abs. removed so that the bis (triethoxysilylpropyl) disulfane was isolated as the bottom product and then filtered.
- Tetraethyldibutylguandinium chloride (3.32 g, 0.005 mol, 0.005 equiv, 50% aqueous solution) and (3-chloropropyl)triethoxysilane (501 g, 2.1 mol, 2.0 equiv) were at 72 °C - 78 ° C added successively to the reaction mixture. The suspension was stirred at 75° C. for 3 hours. After the reaction was complete, water (122.00 g) was added and the phases separated at 70°C. The crude product (559.68 g) was obtained as a dark brown liquid. Low boilers were then removed using a thin film evaporator at 140° C. and 10 mbar abs. removed so that the bis (triethoxysilylpropyl) tetrasulfane was isolated as the bottom product and then filtered.
- Example 3 Bis(triethoxysilylpropyl)tetrasulfane with hexaethylguanidinium chloride
- a mixture of sodium hydroxide 0.730 kg, 18.2 mol, 1.0 equiv.
- sodium hydrosulfide 1.003 kg, 17.9 mol, 0.980 equiv., 40 1% aqueous solution
- water 1.394 kg, 77.4 mol, 4.24 equiv.
- Hexaethylguanidinium chloride (39 g, 0.1 mol, 0.008 equiv, 35% aqueous solution) and (3-chloropropyl)triethoxysilane (8.789 kg, 36.5 mol, 2.0 equiv) were at 106 °C - 112 ° C added successively to the reaction mixture.
- water 2559 kg was added and the phases separated at 80°C.
- the crude product (10.076 kg) was obtained as a yellow liquid.
- Low boilers were then removed using a thin film evaporator at 140° C. and 10 mbar abs. removed so that the bis (triethoxysilylpropyl) tetrasulfane was isolated as the bottom product and then filtered.
- Table 1 shows all the values of Comparative Examples 1-4 and Examples 1-3.
- Comparative Examples 1 and 2 with TBAB as the catalyst show tributylamine (TBA) in the final product.
- TBA is classified as hazardous to health.
- the products made by the process of the invention show no tributylamine (TBA) in the final product.
- Example 3 is compared with Example 1 (preparation of bis(triethoxysilylpropyl)disulfane), the example according to the invention has better storage stability (smaller change in the monomer content).
- Comparing Comparative Example 4 with Examples 2 and 3 both production of bis(triethoxysilylpropyl)tetrasulfane results in better storage stability (less change in the monomer content) for the examples according to the invention.
- Example 4 The materials used are listed in Table 2. The measurement methods used for the mixtures and their vulcanizates were in accordance with Table 3. The rubber mixtures were produced using a GK 1.5 E internal mixer from Harburg Freudenberger Maschinenbau GmbH. Table 2: List of materials used in the examples Table 3: List of physical test methods used in Example 4
- Table 4 Mixture recipe of the L-SBR/BR mixture
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EP21769066.8A EP4208469A1 (de) | 2020-09-02 | 2021-08-19 | Verfahren zur herstellung von polysulfansilanen mittels phasentransferkatalyse |
US18/043,708 US20230265113A1 (en) | 2020-09-02 | 2021-08-19 | Process for preparing polysulfane silanes by means of phase transfer catalysis |
JP2023514408A JP2023539365A (ja) | 2020-09-02 | 2021-08-19 | 相間移動触媒によるポリスルファンシランの製造方法 |
KR1020237010745A KR20230061436A (ko) | 2020-09-02 | 2021-08-19 | 상 이동 촉매작용에 의해 폴리술판 실란을 제조하는 방법 |
BR112023003996A BR112023003996A2 (pt) | 2020-09-02 | 2021-08-19 | Processo para preparação de polissulfano silanos por meio de catálises de transferência de fase |
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Citations (11)
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US5405985A (en) | 1994-07-08 | 1995-04-11 | The Goodyear Tire & Rubber Company | Preparation of sulfur-containing organosilicon compounds |
US5468893A (en) | 1994-07-08 | 1995-11-21 | The Goodyear Tire & Rubber Company | Preparation of sulfur-containing organosilicon compounds |
US5583245A (en) | 1996-03-06 | 1996-12-10 | The Goodyear Tire & Rubber Company | Preparation of sulfur-containing organosilicon compounds |
US5663396A (en) | 1996-10-31 | 1997-09-02 | The Goodyear Tire & Rubber Company | Preparation of sulfur-containing organosilicon compounds |
US6384255B1 (en) | 2001-06-29 | 2002-05-07 | Dow Corning Corporation | Process for the preparation of sulfur-containing organosilicon compounds |
US6384256B1 (en) | 2001-06-29 | 2002-05-07 | Dow Corning Corporation | Process for the preparation of sulfur-containing organosilicon compounds |
US6448426B1 (en) | 2001-06-29 | 2002-09-10 | Dow Corning Corporation | Process for the preparation of sulfur-containing organosilicon compounds |
US6534668B2 (en) | 2001-06-29 | 2003-03-18 | Dow Corning Corporation | Preparation of sulfur-containing organosilicon compounds using a buffered phase transfer catalysis process |
US6740767B1 (en) | 2002-11-12 | 2004-05-25 | Dow Corning Corporation | Method of making sulfur containing organosilicon compounds |
WO2006113122A2 (en) | 2005-04-14 | 2006-10-26 | General Electric Company | Aqueous catalytic process for the preparation of thiocarboxylate silane |
CN108250233A (zh) | 2018-01-26 | 2018-07-06 | 青岛科技大学 | 一种在水相中制备硅烷偶联剂—Si-69的方法 |
-
2020
- 2020-09-02 DE DE102020211042.5A patent/DE102020211042A1/de not_active Withdrawn
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2021
- 2021-04-15 CN CN202110404226.8A patent/CN114195819A/zh active Pending
- 2021-08-19 BR BR112023003996A patent/BR112023003996A2/pt unknown
- 2021-08-19 WO PCT/EP2021/073015 patent/WO2022048914A1/de active Application Filing
- 2021-08-19 JP JP2023514408A patent/JP2023539365A/ja active Pending
- 2021-08-19 EP EP21769066.8A patent/EP4208469A1/de active Pending
- 2021-08-19 US US18/043,708 patent/US20230265113A1/en active Pending
- 2021-08-19 KR KR1020237010745A patent/KR20230061436A/ko active Search and Examination
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5405985A (en) | 1994-07-08 | 1995-04-11 | The Goodyear Tire & Rubber Company | Preparation of sulfur-containing organosilicon compounds |
US5468893A (en) | 1994-07-08 | 1995-11-21 | The Goodyear Tire & Rubber Company | Preparation of sulfur-containing organosilicon compounds |
US5583245A (en) | 1996-03-06 | 1996-12-10 | The Goodyear Tire & Rubber Company | Preparation of sulfur-containing organosilicon compounds |
US5663396A (en) | 1996-10-31 | 1997-09-02 | The Goodyear Tire & Rubber Company | Preparation of sulfur-containing organosilicon compounds |
US6384255B1 (en) | 2001-06-29 | 2002-05-07 | Dow Corning Corporation | Process for the preparation of sulfur-containing organosilicon compounds |
US6384256B1 (en) | 2001-06-29 | 2002-05-07 | Dow Corning Corporation | Process for the preparation of sulfur-containing organosilicon compounds |
US6448426B1 (en) | 2001-06-29 | 2002-09-10 | Dow Corning Corporation | Process for the preparation of sulfur-containing organosilicon compounds |
US6534668B2 (en) | 2001-06-29 | 2003-03-18 | Dow Corning Corporation | Preparation of sulfur-containing organosilicon compounds using a buffered phase transfer catalysis process |
US6740767B1 (en) | 2002-11-12 | 2004-05-25 | Dow Corning Corporation | Method of making sulfur containing organosilicon compounds |
WO2006113122A2 (en) | 2005-04-14 | 2006-10-26 | General Electric Company | Aqueous catalytic process for the preparation of thiocarboxylate silane |
CN108250233A (zh) | 2018-01-26 | 2018-07-06 | 青岛科技大学 | 一种在水相中制备硅烷偶联剂—Si-69的方法 |
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US20230265113A1 (en) | 2023-08-24 |
DE102020211042A1 (de) | 2022-03-03 |
KR20230061436A (ko) | 2023-05-08 |
EP4208469A1 (de) | 2023-07-12 |
BR112023003996A2 (pt) | 2023-04-04 |
JP2023539365A (ja) | 2023-09-13 |
CN114195819A (zh) | 2022-03-18 |
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