EP3194470A1 - Verfahren zur herstellung von organofunktionellen siliconharzen - Google Patents
Verfahren zur herstellung von organofunktionellen siliconharzenInfo
- Publication number
- EP3194470A1 EP3194470A1 EP15771053.4A EP15771053A EP3194470A1 EP 3194470 A1 EP3194470 A1 EP 3194470A1 EP 15771053 A EP15771053 A EP 15771053A EP 3194470 A1 EP3194470 A1 EP 3194470A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- silicone resins
- radicals
- iii
- mol
- groups
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 229920002050 silicone resin Polymers 0.000 title claims abstract description 117
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 53
- 239000000203 mixture Substances 0.000 claims description 37
- 239000004215 Carbon black (E152) Substances 0.000 claims description 34
- 229930195733 hydrocarbon Natural products 0.000 claims description 34
- 238000006243 chemical reaction Methods 0.000 claims description 31
- 230000008569 process Effects 0.000 claims description 22
- 229920005989 resin Polymers 0.000 claims description 20
- 239000011347 resin Substances 0.000 claims description 20
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical compound [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 19
- 238000002360 preparation method Methods 0.000 claims description 18
- 239000001257 hydrogen Substances 0.000 claims description 17
- 229910052739 hydrogen Inorganic materials 0.000 claims description 17
- 239000003054 catalyst Substances 0.000 claims description 16
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 15
- 150000004760 silicates Chemical class 0.000 claims description 11
- YZCKVEUIGOORGS-IGMARMGPSA-N Protium Chemical compound [1H] YZCKVEUIGOORGS-IGMARMGPSA-N 0.000 claims description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000000746 purification Methods 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000005470 impregnation Methods 0.000 claims description 2
- 229910004283 SiO 4 Inorganic materials 0.000 claims 1
- 125000003545 alkoxy group Chemical group 0.000 abstract description 31
- 125000000962 organic group Chemical group 0.000 abstract description 5
- -1 siloxanes Chemical class 0.000 description 113
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 48
- 150000003254 radicals Chemical class 0.000 description 32
- 239000000523 sample Substances 0.000 description 18
- 239000000243 solution Substances 0.000 description 17
- 239000007787 solid Substances 0.000 description 16
- 125000000524 functional group Chemical group 0.000 description 15
- 125000005372 silanol group Chemical group 0.000 description 14
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 13
- 239000000126 substance Substances 0.000 description 13
- 125000004432 carbon atom Chemical group C* 0.000 description 12
- 238000005481 NMR spectroscopy Methods 0.000 description 11
- 239000007795 chemical reaction product Substances 0.000 description 11
- 238000005259 measurement Methods 0.000 description 11
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 10
- 125000005842 heteroatom Chemical group 0.000 description 10
- 150000004756 silanes Chemical class 0.000 description 10
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 9
- 239000003960 organic solvent Substances 0.000 description 9
- 239000002904 solvent Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 8
- 125000004430 oxygen atom Chemical group O* 0.000 description 8
- 210000002741 palatine tonsil Anatomy 0.000 description 8
- 238000001542 size-exclusion chromatography Methods 0.000 description 8
- 238000009833 condensation Methods 0.000 description 7
- 239000003480 eluent Substances 0.000 description 7
- 230000009477 glass transition Effects 0.000 description 7
- 238000003786 synthesis reaction Methods 0.000 description 7
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 7
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- 239000000945 filler Substances 0.000 description 6
- 230000007062 hydrolysis Effects 0.000 description 6
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- 230000002829 reductive effect Effects 0.000 description 6
- 229910000077 silane Inorganic materials 0.000 description 6
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 6
- 125000003277 amino group Chemical group 0.000 description 5
- 238000004132 cross linking Methods 0.000 description 5
- 125000003700 epoxy group Chemical group 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000000376 reactant Substances 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 5
- 238000005160 1H NMR spectroscopy Methods 0.000 description 4
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 4
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000000470 constituent Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 4
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- KWEKXPWNFQBJAY-UHFFFAOYSA-N (dimethyl-$l^{3}-silanyl)oxy-dimethylsilicon Chemical compound C[Si](C)O[Si](C)C KWEKXPWNFQBJAY-UHFFFAOYSA-N 0.000 description 3
- 101150041968 CDC13 gene Proteins 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 3
- CIUQDSCDWFSTQR-UHFFFAOYSA-N [C]1=CC=CC=C1 Chemical compound [C]1=CC=CC=C1 CIUQDSCDWFSTQR-UHFFFAOYSA-N 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- BITPLIXHRASDQB-UHFFFAOYSA-N ethenyl-[ethenyl(dimethyl)silyl]oxy-dimethylsilane Chemical compound C=C[Si](C)(C)O[Si](C)(C)C=C BITPLIXHRASDQB-UHFFFAOYSA-N 0.000 description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
- 230000003301 hydrolyzing effect Effects 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000010453 quartz Substances 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- UHUUYVZLXJHWDV-UHFFFAOYSA-N trimethyl(methylsilyloxy)silane Chemical compound C[SiH2]O[Si](C)(C)C UHUUYVZLXJHWDV-UHFFFAOYSA-N 0.000 description 3
- 229920002554 vinyl polymer Polymers 0.000 description 3
- ORGHESHFQPYLAO-UHFFFAOYSA-N vinyl radical Chemical compound C=[CH] ORGHESHFQPYLAO-UHFFFAOYSA-N 0.000 description 3
- 238000009736 wetting Methods 0.000 description 3
- NDVMCQUOSYOQMZ-UHFFFAOYSA-N 2,2-bis(trimethylsilyl)acetamide Chemical compound C[Si](C)(C)C(C(N)=O)[Si](C)(C)C NDVMCQUOSYOQMZ-UHFFFAOYSA-N 0.000 description 2
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 description 2
- CFVWNXQPGQOHRJ-UHFFFAOYSA-N 2-methylpropyl prop-2-enoate Chemical compound CC(C)COC(=O)C=C CFVWNXQPGQOHRJ-UHFFFAOYSA-N 0.000 description 2
- SLRMQYXOBQWXCR-UHFFFAOYSA-N 2154-56-5 Chemical compound [CH2]C1=CC=CC=C1 SLRMQYXOBQWXCR-UHFFFAOYSA-N 0.000 description 2
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 description 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- IQYMRQZTDOLQHC-ZQTLJVIJSA-N [(1R,4S)-2-bicyclo[2.2.1]heptanyl] prop-2-enoate Chemical compound C1C[C@H]2C(OC(=O)C=C)C[C@@H]1C2 IQYMRQZTDOLQHC-ZQTLJVIJSA-N 0.000 description 2
- BFKVXNPJXXJUGQ-UHFFFAOYSA-N [CH2]CCCC Chemical compound [CH2]CCCC BFKVXNPJXXJUGQ-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M acrylate group Chemical group C(C=C)(=O)[O-] NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 125000005428 anthryl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C3C(*)=C([H])C([H])=C([H])C3=C([H])C2=C1[H] 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000003849 aromatic solvent Substances 0.000 description 2
- 150000005840 aryl radicals Chemical class 0.000 description 2
- UHOVQNZJYSORNB-MZWXYZOWSA-N benzene-d6 Chemical compound [2H]C1=C([2H])C([2H])=C([2H])C([2H])=C1[2H] UHOVQNZJYSORNB-MZWXYZOWSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
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- 125000000582 cycloheptyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 2
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 2
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 2
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- 150000002430 hydrocarbons Chemical group 0.000 description 2
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- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 2
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
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- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
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- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 2
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- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
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- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
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- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000005397 methacrylic acid ester group Chemical group 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000012860 organic pigment Substances 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052625 palygorskite Inorganic materials 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 125000001918 phosphonic acid ester group Chemical group 0.000 description 1
- 150000003008 phosphonic acid esters Chemical group 0.000 description 1
- ABLZXFCXXLZCGV-UHFFFAOYSA-N phosphonic acid group Chemical group P(O)(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- NHARPDSAXCBDDR-UHFFFAOYSA-N propyl 2-methylprop-2-enoate Chemical compound CCCOC(=O)C(C)=C NHARPDSAXCBDDR-UHFFFAOYSA-N 0.000 description 1
- PNXMTCDJUBJHQJ-UHFFFAOYSA-N propyl prop-2-enoate Chemical compound CCCOC(=O)C=C PNXMTCDJUBJHQJ-UHFFFAOYSA-N 0.000 description 1
- 125000006239 protecting group Chemical group 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000012763 reinforcing filler Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000006254 rheological additive Substances 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 229910052624 sepiolite Inorganic materials 0.000 description 1
- 235000019355 sepiolite Nutrition 0.000 description 1
- 150000004819 silanols Chemical class 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229940014800 succinic anhydride Drugs 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- SJMYWORNLPSJQO-UHFFFAOYSA-N tert-butyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC(C)(C)C SJMYWORNLPSJQO-UHFFFAOYSA-N 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000000411 transmission spectrum Methods 0.000 description 1
- QQQSFSZALRVCSZ-UHFFFAOYSA-N triethoxysilane Chemical compound CCO[SiH](OCC)OCC QQQSFSZALRVCSZ-UHFFFAOYSA-N 0.000 description 1
- YSFNHAOQKVFPCL-UHFFFAOYSA-N trimethyl-[methyl-bis[1-(oxiran-2-yl)butyl]silyl]oxysilane Chemical compound C(CC)C(C1CO1)[Si](O[Si](C)(C)C)(C)C(C1CO1)CCC YSFNHAOQKVFPCL-UHFFFAOYSA-N 0.000 description 1
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/06—Preparatory processes
- C08G77/10—Equilibration processes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/06—Preparatory processes
- C08G77/08—Preparatory processes characterised by the catalysts used
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
- C08G77/18—Polysiloxanes containing silicon bound to oxygen-containing groups to alkoxy or aryloxy groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/20—Polysiloxanes containing silicon bound to unsaturated aliphatic groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/70—Siloxanes defined by use of the MDTQ nomenclature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/80—Siloxanes having aromatic substituents, e.g. phenyl side groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/12—Polysiloxanes containing silicon bound to hydrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
Definitions
- the invention relates to a process for preparing organofunctional silicone resins having a low content of alkoxy groups and a high tolerance to a large number of organofunctional groups, in particular to acid- and base-sensitive organic groups, and the organofunctional silicone resins obtainable by this process and their Use .
- organofunctional silicone resins there are various methods.
- a commonly used process is based on silicone resins or these silane-forming silanes and organofunctional silanes, the silane mixtures and the organofunctional silanes containing hydrolyzable alkoxy groups.
- silicone resins or these silane-forming silanes and organofunctional silanes, the silane mixtures and the organofunctional silanes containing hydrolyzable alkoxy groups can be used for such a procedure.
- the procedure is known to proceed from silane mixtures which also contain organofunctional silanes, the silanes each carrying a sufficient number of hydrolyzable groups and the oligomeric or polymeric silicone resin structures are prepared by hydrolysis and condensation to obtain the organic function ,
- silane mixtures which also contain organofunctional silanes
- the silanes each carrying a sufficient number of hydrolyzable groups and the oligomeric or polymeric silicone resin structures are prepared by hydrolysis and condensation to obtain the organic function
- oligomeric, ie low molecular weight alkoxy-rich organofunctional resin structures are built up by the hydrolysis and condensation of alkoxysilane mixtures. The organic function is retained, the alkoxy groups are partially hydrolyzed and the resulting silanol groups condense with elimination of water to give silicone resin skeleton structures. Such oligomeric structures contain especially many alkoxy groups. In addition, this procedure is limited to low molecular weight end products.
- EP1010714 describes the synthesis of silylhydride-functional silicone resins from alkoxysilicate and alkoxysilane mixtures with Si-H-functional siloxane components such as, for example, tetramethyldisiloxane under acidic hydrolytic conditions.
- the siloxane framework is simultaneously built up for functionalization by hydrolysis and condensation.
- the catalyst used are sulfonic acids or phosphonitrile compounds. Chlorosilanes do not function as raw materials in this process, since the hydrochloric acid resulting from them by hydrolysis leads to a partial cleavage of the Si-H bonds. This would make the Si-H content in the resin uncontrollable.
- EP1398338 teaches the synthesis of vinyl-functional silicone resins with low alkoxy contents, which is a multistage synthesis using both acidic and basic conditions.
- the silicone resins are first condensed acidic from alkoxysilanes and functional disiloxanes and the remaining alkoxy groups are then hydrolyzed basic, so that they form silanol groups. Under these conditions, the silanol groups are not stable but condense with dehydration and formation of high molecular weight silicone resins.
- substances are characterized by specification of data obtained by instrumental analysis. The underlying measurements are either carried out according to publicly available standards or determined using specially developed methods. To ensure the clarity of the teaching taught, the methods used are given here:
- viscosities are determined by rotational viscometric measurement in accordance with DIN EN ISO 3219. Unless otherwise stated, all viscosity data apply at 25 ° C and atmospheric pressure of 1013 mbar.
- the refractive indices are determined in the wavelength range of visible light, unless otherwise stated at 589 nm at 25 ° C and normal pressure of 1013 mbar according to the DIN standard
- the transmission is determined by UV VIS spectroscopy.
- a suitable device is, for example, the Analytik Jena Specord 200.
- the measurement parameters used are: Range: 190 - 1100 nm Increment: 0.2 nm, Integration time: 0.04 s, Measurement mode:
- the first step is the reference measurement (background).
- a quartz plate attached to a sample holder (dimension of quartz plates: HxB approx. 6 7 cm, thickness approx. 2.3 mm) is placed in the sample beam path and measured against air. Thereafter, the sample measurement takes place.
- Spectrometer Bruker Avance I 500 or Bruker Avance HD 500
- Probe head 5 mm BBO probe head or SMART probe head (Bruker)
- Pulprog zg30
- NS 64 or 128 (depending on the sensitivity of the probe head)
- Probe head 10 mm lH / 13C / 15N / 29Si glass-free QNP probe head
- Pulprog zgig60
- Molecular weight distributions are determined as weight average M w and as number average M n, using the method of gel permeation chromatography (GPC or Size Exclusion Chromatography (SEC)) with polystyrene standard and refractive index detector (RI detector). Unless otherwise stated, THF is used as the eluent and DIN 55672-1 is used. The polydispersity is the quotient Mw / Mn.
- the glass transition temperature is determined by differential scanning calorimetry (DSC) according to DIN 53765, perforated Tigel, heating rate 10 K / min.
- the object is achieved by the present invention.
- the present invention relates to a process for the preparation of silicone resins (i) from units of the formulas (Ia), (Ib), (Ic) and (Id) (OR 3) c Si0 1/2], [R 1 2 Si0 2/2] (Ia) (Ib) (Ic) (Id)
- R 1 are identical or independently different monovalent hydrocarbon radicals and
- R 2 is the same or independently of one another, hydrogen or various monovalent organofunctional hydrocarbon radicals
- R 3 represents the same or independently different monovalent hydrocarbon radicals or a hydrogen radical
- the disiloxanes (iii) are of symmetrical construction, so that the radicals R 1 and R 2 on both silicon atoms in each case have the same meaning in the presence of a heterogeneously activated silicate catalyst (iv), in an amount of 0.1 to 10% by weight based on the total amount of silicone resin (ii) and disiloxane (iii) used
- silicone resin (i) from units of the formulas (Ia), (Ib), (Ic) and (Id)
- R 1 are identical or independently different monovalent hydrocarbon radicals and
- R 2 is the same or independently of one another, hydrogen or various monovalent organofunctional hydrocarbon radicals
- R 3 represents the same or independently different monovalent hydrocarbon radicals or a hydrogen radical
- the disiloxanes (iii) are of symmetrical construction, so that the radicals R 1 and R 2 on both silicon atoms in each case have the same meaning in the presence of a heterogeneously activated silicate catalyst (iv), in an amount of 0.1 to 10% by weight based on the total amount of silicone resin (ii) and disiloxane (iii) used
- At least 3 mol%, preferably at least 5 mol%, particularly preferably at least 8 mol%, in particular at least 10 mol%, of the units of the formula (Ic) are contained in the silicone resins (i) produced according to the invention.
- the remaining units may be those of formula (Id), wherein the units of formula (Id) at most 60 mol%, preferably at most 55 mol%, particularly preferably at most 50 mol% in particular at most 45 mol% of the total number of units in the silicone resins (i) according to the invention.
- the silicone resins (i) obtainable by the process according to the invention or mixtures thereof can be converted into chemically crosslinked reaction products using suitably functionalized reaction partners which, for example, themselves are polyorganosiloxanes, organic polymers, functional surfaces of solids, at least two monomers bearing suitable functional groups react.
- the reactants of the silicone resins (i) not only have to bear functional groups which can react with the organofunctional groups R 2 of the silicone resins (i), but they can additionally also carry those with which they can react further with other reactants.
- the silicone resins (i) or the mixture of several silicone resins (i) prepared according to the process of the invention are preferably a preparation of at most 3 different silicone resins (i), more preferably of only the silicone resins (i), in particular by only one of the silicone resins (i) which naturally has the molecular weight distribution given for a polymer.
- the silicone resins (i) prepared by the process according to the invention are preferably those which have a molecular weight Mw of at least 800, preferably at least 1000, more preferably at least 1200, especially at least 1400, the polydispersity being at most 20, preferably at most 18, particularly preferred is at most 15, in particular at most 10.
- the silicone resins (i) prepared according to the invention are pure or liquid or viscous to highly viscous or solid substances at 25 ° C. and atmospheric pressure of 10 13 mbar. They have viscosities of at least 500 mPas, preferably at least 1000 mPas, in particular at least 1500 mPas.
- the branched polyorganosiloxanes containing repeating units of the formula (I) are highly viscous substances having a viscosity of at least 8,000 mPas, particularly preferably at least 10,000 mPas, in particular at least 12,000 mPas.
- the branched polyorganosiloxanes containing repeating units of the formula (I) are solids which are no longer flowable at room temperature of 25.degree. C. with a still sticky surface or tack-free solids having a glass transition temperature of more than 25.degree , All information on viscosity is valid at 25 ° C and at normal pressure of 1013 mbar.
- the silicone resins (i) prepared according to the invention are soluble in suitable organic solvents, the selection of the suitable solvent being dependent on the particular organic function. depends on a group. Expediently, solvents are selected which are not reactive toward the organic functional group, in which case the well-documented chemical reactivities, as known from standard works of the chemical literature, are to be observed. Most suitable are aromatic solvents such as toluene, xylene, ethylbenzene or mixtures thereof.
- R 2 denotes a hydridically silicon-bonded hydrogen or organofunctional hydrocarbon radicals, such as glycol radicals and functional organic groups from the group of phosphoric esters, phosphonic acid esters, epoxide functions, methacrylate functions, carboxyl functions, acrylate functions, amino functions, olefinically or acetylenically unsaturated hydrocarbons.
- organofunctional hydrocarbon radicals such as glycol radicals and functional organic groups from the group of phosphoric esters, phosphonic acid esters, epoxide functions, methacrylate functions, carboxyl functions, acrylate functions, amino functions, olefinically or acetylenically unsaturated hydrocarbons.
- the organofunctional hydrocarbon radicals R 2 may be optionally subsituiert, which means that, for example, an amino group so-well as a primary amine, can be present as secondary or tertiary amine. Also, multiple nitrogen groups may be present in a longer hydrocarbon radical, such as in the propylaminoethylamine radical (-CH 2 ) 3 NH (CH 2 ) 2 NH 2 . Epoxy groups can be bound in a hydrocarbon chain, be terminally attached or annealed to a cyclic hydrocarbon.
- the organofunctional hydrocarbon radicals R 2 may optionally be hydroxy-, alkyloxy- or trimethylsilyl-terminated.
- non-adjacent carbon atoms may be replaced by oxygen atoms.
- the functional groups in the organofunctional hydrocarbon radicals R 2 are generally not bound directly to the silicon atom. An exception to this is the olefinic or acetylenic groups, which may also be directly silicon-bonded, especially the vinyl group. The remaining functional groups are attached to the silicon atom via spacer groups, the spacer always being Si-C bonded.
- the spacer is a divalent hydrocarbon radical which comprises 1 to 30 carbon atoms and in which non-adjacent carbon atoms can be replaced by oxygen atoms and which can also contain other heteroatoms or heteroatom groups, although this is not preferred.
- the functional groups methacrylate group, the acrylate group and the epoxy group are in R 2 preferably over a preferably 3 to 15 carbon atoms, in particular 3 to 8 carbon atoms, in particular a 3 carbon atoms and optionally beyond at most one to 3 oxygen atoms, preferably at most 1 oxygen atom comprising bivalent hydrocarbon radical bonded to the silicon atom before, the carboxyl group preferably over a preferably 3 to 30 carbon atoms in particular 3 to 20 carbon atoms, in particular a 3 to 15 carbon atoms and optionally beyond at most one to 3 oxygen atoms, preferably at most 1 Oxygen atom, in particular no oxygen atom comprising divalent hydrocarbon radical.
- Organofunctional hydrocarbon radicals R 2 which contain heteroatoms are, for example, carboxylic acid radicals of the general formula (IV)
- Y 1 - COOH (IV) wherein Y 1 is preferably a divalent linear or branched hydrocarbon radical having up to 30 carbon atoms, wherein Y 1 may also contain olefinically unsaturated groups or heteroatoms and the radical Y 1 directly bonded to the silicon atom is a carbon is. Heteroatom-containing fragments which may typically be included in the radical Y 1 are
- organofunctional hydrocarbon radicals R 2 which contain heteroatoms are, for example, carboxylic acid ester radicals of the general formula (V)
- Y 1 - C ( 0) 0-Y 2 (V) where Y 1 has the meaning given above.
- the radical Y 2 is preferably hydrocarbon radicals and, accordingly, independently of R 1, preferably has the meaning of R 1 .
- Y 2 may also contain other heteroatoms and organic functions such as double bonds or oxygen atoms, although this is not preferred.
- the carboxylic acid ester radical R 2 may also be present in reverse bound, that is to say a remainder of the form
- Examples of carboxylic anhydride radicals R 2 are those of the general formulas (VI)
- Y 1 has the abovementioned meaning and R 4 and R s independently of one another each represent a C 1 -C 8 hydrocarbon radical or a hydrogen radical which may optionally contain heteroatoms, although this is not preferred.
- Examples of phosphonic acid residues and phosphonic acid ester residues R 2 are those of the general formula (VIII)
- Y 1 has the abovementioned meaning and radicals R 6 preferably independently of one another are hydrogen or hydrocarbon radicals having up to 18 carbon atoms.
- R 6 preferably independently of one another are hydrogen or hydrocarbon radicals having up to 18 carbon atoms.
- Preferred phosphonic acid radicals are those in which R 6 is hydrogen.
- Preferred phosphonic acid ester radicals are those in which R 6 is methyl or ethyl, but this list is not intended to be limiting.
- organofunctional radicals R 2 are acryloxy or methacryloxy radicals of the methacrylic acid esters or acrylic acid esters, such as methyl acrylate, methyl methacrylate, ethyl acrylate, ethyl methacrylate, propyl acrylate, propyl methacrylate, n-butyl acrylate, n-butyl methacrylate, isobutyl acrylate, isobutyl methacrylate , t-butyl acrylate, t-butyl methacrylate, 2-ethylhexyl acrylate and norbornyl acrylate.
- methyl acrylate methyl methacrylate, n-butyl acrylate, iso-butyl acrylate, t-butyl acrylate, 2-ethylhexyl acrylate, and norbornyl acrylate.
- Examples of preferred amino groups containing radicals R 2 are the radicals aminoethyl-aminopropyl, aminoethyl-aminoethyl-aminopropyl, N-methylaminopropyl, N- (n-butyl) aminopropyl, N- (n-hexyl) aminopropyl, N-cyclohexylaminopropyl, N-phenylaminopropyl , Aminopropyl, N-phenylaminomethyl, N-cyclohexylaminomethyl, N- (n-butyl) aminomethyl, N- (n-)
- Particularly preferred radicals (IX) are the vinyl radical, the propenyl radical and the butenyl radical, in particular the vinyl radical.
- the radical (IX) can also be a dienyl radical bound via a spacer, such as the 1,3-butadienyl or the isoprenyl radical bonded via a spacer.
- Examples of preferred epoxy-functional radicals R 2 are those of the formulas (XI) and (XII),
- Y 1 has the meanings given above, wherein Y 1 here means no chemical bond and it is preferred that Y 1 is a C3 to C18 hydrocarbon radical and the radicals R 11 , R 12 and R 13 independently of one another have the meaning of R 7 ha - ben, wherein the preferred meaning for all radicals R 11 , R 12 and R 13 is the hydrogen radical, in particular it is preferred that all three simultaneously represent a hydrogen radical.
- organofunctional radicals R 2 are carboxylic acid-functional, vinyl-functional and epoxy-functional radicals and the hydrogen radical.
- the silicone resins (i) carry different organofunctional groups R 2 .
- the selected organic groups R 2 do not react with one another under the conditions of regular storage, ie storage for 6 months at 25 ° C., 1013 mbar in an air-tight and moisture-tight sealed container.
- a crosslinking reaction to an optionally insoluble reaction product would take place here.
- combinations of vinyl groups and Si-H groups are possible, since they require significantly different conditions than the regular storage for their reaction, for example a catalyst and elevated temperature.
- a suitable selection of combinations of functional groups can be deduced from the published literature on the chemical reactivity of organofunctional groups.
- a particularly preferred combination of various organofunctional groups R 2 is that of hydridic hydrogen and olefinically unsaturated group, wherein in the particularly preferred form thereof, the olefinically unsaturated group is directly silicon-bonded.
- the most preferred olefinically unsaturated group R 2 is the vinyl group. If more radicals R 1 or R 2 are present in one unit of the silicone resins (i), these may independently of one another stand for different radicals within the stated group of possible radicals, wherein the abovementioned conditions for the organofunctional groups R 2 have long validity ,
- Preferred hydrocarbon radicals R 1 or R 3 are unsubstituted hydrocarbon radicals having 1 to 16 carbon atoms.
- hydrocarbon radicals R 1 are alkyl radicals, such as the methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, tert. Butyl, n-pentyl, iso-pentyl, neo-pentyl, tert. Pentyl radical, hexyl radicals such as the n-hexyl radical, heptyl radicals such as the n-heptyl radical, octyl radicals such as the n-octyl radical and iso-octyl radicals such as 2,2,4-
- Trimethylpentyl radical nonyl radicals, such as the n-nonyl radical, decyl radicals, such as the n-decyl radical, dodecyl radicals, such as the n-dodecyl radical, and octadecyl radicals, such as the n-octadecyl radical, cycloalkyl radicals, such as cyclopentyl, cyclohexyl, cycloheptyl and methylcyclohe - xyl radicals, alkenyl radicals such as the vinyl radical, aryl radicals such as the phenyl, naphthyl, anthryl and phenanthryl radical, alkaryl radicals such as tolyl radicals, xylyl radicals and ethylphenyl radicals, and aralkyl radicals such as the benzyl radical and the ⁇ -phenylethyl radical.
- radicals R 3 are alkyl radicals, such as the methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, tert. Butyl, n-pentyl, iso-pentyl, neo-pentyl, tert. -
- the silicone resins (ii) or their mixtures of several silicone resins (ii) are preferably a preparation of at most 3 different silicone resins (ii), more preferably only two silicone resins (ii), in particular only one such silicone resin (ii), which naturally has the molecular weight distribution given to a polymer.
- the silicone resins (ii) are preferably those having a molecular weight Mw of at least 600, preferably at least 800, more preferably at least 1000, in particular at least 1200, wherein the polydispersity is at most 20, preferably at most 18, particularly preferably at most 15, in particular is at most 10.
- the silicone resins (ii) are pure substances liquid or viscous to highly viscous or solids at 25 ° C and at atmospheric pressure of 1013 mbar. They have viscosities of at least 400 mPas, preferably at least 900 mPas, in particular at least 1400 mPas. In a further preferred embodiment, the silicone resins (ii) are highly viscous substances having a viscosity of at least 7,000 mPas, particularly preferably at least 9,000 mPas, in particular at least 11,000 mPas.
- the silicone resins (ii)) are also soluble in the appropriate organic solvents used for step A), the selection of the appropriate solvent also depending on the particular organic functional group.
- solvents are selected which are also suitable for the disiloxane (iii).
- Aromatic solvents such as toluene, xylene, ethylbenzene or mixtures thereof have been found to be most suitable.
- the activated heterogeneous silicate catalysts (iv) are those which, in addition to Si0 / 2, contain further oxidic components, especially of aluminum, and may additionally contain oxidic constituents of the elements sodium, potassium, iron and magnesium, this list being exemplary and is not meant to be limiting.
- silicate catalysts (iv) being neutral, weakly basic or protonated calcined magnesium aluminum hydrosilicates, for example an attapulgite or attapulgus earth or a sepiolite, active bleaching earth and tonsils, acid-activated hydrosilicates such as, for example, filler earths, colloidal alumina, such as bentonites or montmorillonites, and silica gels.
- the heterogeneously activated silicate catalyst (iv) is used in an amount of from 0.1 to 10% by weight, preferably in an amount of from 0.3 to 8% by weight, particularly preferably from 0.5 to 6% by weight, in particular from 0.8 to 5 wt .-% based on the total amount of silicone resin used (ii) and disiloxane (iii) used.
- (Ic) units are always included.
- the functional groups R 2 are therefore always bound to the (Ic) units. Conversely, this does not mean that each (Ic) unit must carry an organofunctional group R 2 .
- silicone resins (ii) ensures that the brought organofunctional groups R 2 preferably in an exposed position in the outer edge region of the silicone resins according to the invention (i) and thus are readily available and available for chemical reactions with a complementary functionalized reactants. This ensures that only a minimum of functional groups R 2 is needed to get to a hardened solid. Since organofunctional groups R 2 are generally more expensive than standard hydrocarbon groups without heteroatoms, the method according to the invention is thus also very efficient from an economic point of view.
- silicone resins (i) which are virtually free of alkoxy groups.
- the number of alkoxy groups carrying the silicone resins (i) is less than the number of alkoxy groups carrying the silicone resins (ii).
- Existing alkoxy groups are consumed on the one hand by the reaction with the siloxane fragments resulting from the dilosiloxanes (iii), wherein the presence of alkoxy groups is not obligatory for the introduction of the designated siloxane fragments into the silicone resins (ii).
- a certain degree of self-condensation of silicone resins (ii) is observed. The self-condensation is controllable by the reaction time, the reaction temperature and the added amount of water.
- An extension of the reaction time usually causes an increase in the degree of condensation and thus a reduction in the Alkoxy phenomenongehal- tes. In the same direction acts an addition of water or an increase in the amount of water. By increasing the temperature, the reaction process can usually be accelerated.
- Adjusting screws act depending on the selected starting silicone resin (ii) with different effectiveness.
- the method according to the invention essentially comprises the steps
- Step A) can be carried out both in the absence and in the presence of water.
- step A) the dissolving or mixing of the silicone resins (ii) in an organic solvent is also carried out.
- organic solvents which dissolve both the silicone resins (i) and the silicone resins (ii) and the disiloxanes (iii) at a temperature of 20 ° C and atmospheric pressure of 1013 mbar in a concentration of at least 5 wt.% , based on the amount of organic solvent used.
- Another peculiarity of the method according to the invention is that for the introduction of the organofunctional group R 2 on the silicone resin no silicon-bonded alkoxy or hydroxy groups must be present on the silicone resin. They are not disturbing, but they are not necessary. Where they exist, their number shall be determined by the exercise of the according to the method, since they participate in the reaction so that the number of silanol groups and the silicon-bonded alkoxy groups containing the silicone resins (ii) is always higher than in the silicone resins (i).
- the heating in process step B) is preferably carried out at temperatures which allow working with the organic solvents under reflux at normal through 1013 mbar. Particularly preferred are temperatures of at least 60 ° C.
- the purification is carried out, for example, by filtering off insoluble constituents and / or distilling off the volatile constituents, the sequence being irrelevant.
- the inventive method is characterized in that it is very easy to perform. It comprises a simple step sequence that is easy to implement in a technically feasible way. It can be operated both batchwise and continuously, in which case the usual equipment can be used, such as column systems, loop systems, agitator systems, which can optionally be combined and interconnected.
- the method is robust and fault-tolerant and therefore very unproblematic also from a safety-relevant point of view.
- the reactions usually proceed without significant energy release.
- An influence of the dosing order in step A) on the product composition was not found in any case, so that it is freely selectable according to the aspects of the optimum process for the respective plant.
- the branched silicone resins (i) prepared according to the present invention may be formulated into compositions by blending and blending with suitable liquid or solid components by prior art methods.
- constituents of such composition with which the silicone resins (i) according to the invention can be blended are fillers, such as reinforcing and non-reinforcing fillers, plasticizers, adhesion promoters, soluble dyes, inorganic and organic pigments, fluorescent dyes, solvents, fungicides, fragrances, Dispersion aids, rheological additives, corrosion inhibitors, oxidation inhibitors, light stabilizers, heat stabilizers, flame retardants, agents for influencing the electrical properties and means for improving the thermal conductivity.
- fillers such as reinforcing and non-reinforcing fillers, plasticizers, adhesion promoters, soluble dyes, inorganic and organic pigments, fluorescent dyes, solvents, fungicides, fragrances, Dispersion aids, rheological additives, corrosion inhibitors, oxidation inhibitors, light stabilizers, heat stabilizers, flame retardants, agents for influencing the electrical properties and means for improving the thermal conductivity.
- crosslinking of the silicone resins (i) according to the invention is carried out by reaction with suitable functionalized reactants, depending on the reactivity of the selected functional groups, if necessary, the use of catalysts, temperature, activating radiation or other measures according to the prior art are required to the reactions in To set a course.
- silicone resins (i) prepared according to the invention have organofunctional groups capable of reacting with one another, they are capable of self-crosslinking under suitable conditions.
- the invention furthermore relates to moldings produced by crosslinking such compositions containing the silicone resins (i) prepared according to the invention.
- the silicone resins (i) prepared according to the invention are suitable both for impregnating porous materials such as those used in the field of electrical insulation (eg glass fabrics, mica) and as potting and embedding compounds.
- Composition The silicone resins (i) prepared according to the invention contain advantages due to the usually milder curing conditions in comparison with the known non-organofunctional silicone resins, especially when processed together with temperature-sensitive components (eg electronic components, casting molds).
- silicone resins (i) prepared according to the invention can also be used to manipulate further properties of preparations containing them and the solids or films produced therefrom by curing.
- silicone resins (i) prepared according to the invention can also be used to manipulate further properties of preparations containing them and the solids or films produced therefrom by curing.
- Solid bodies or films are obtained from preparations containing a composite preparation according to the invention.
- Control of mechanical properties e.g. Flexibility, scratch resistance, elasticity, extensibility, bendability, tear behavior, rebound behavior, hardness, density, tear propagation resistance, compression set, behavior at different temperatures, coefficient of expansion, abrasion resistance and other properties such as thermal conductivity, flammability, gas permeability, resistance to water vapor, hot air, chemicals, weathering and radiation, the sterilizability, of solids or films obtainable from preparations, containing a silicone resin (i) prepared according to the invention,
- Control of electrical properties e.g. Dielectric strength, creep resistance, arc resistance, surface resistance, resistivity,
- silicone resins (i) according to the invention can be used to manipulate the abovementioned properties
- examples of applications in which the silicone resins (i) according to the invention can be used to manipulate the abovementioned properties are the production of moldings, coating materials and impregnations and coatings and coatings to be obtained therefrom based on sub-stances. th, such as metal, glass, wood, mineral substrate, synthetic and natural fibers for the production of textiles, carpets, floor coverings, or other fiber-producible goods, leather, plastics such as films, moldings.
- the silicone resins (i) produced according to the invention can also be used as additives for defoaming, flow-promoting, hydrophobing, hydrophilization, filler and pigment dispersing, filler and pigment wetting, substrate wetting, promotion of the Surface smoothness, reducing the adhesion and sliding resistance can be used on the surface of the hardened mass available from the additive-containing preparation.
- the composite compositions according to the invention can be incorporated in elastomeric compositions in liquid or in cured solid form. Here, they may be used for the purpose of enhancing or improving other performance characteristics such as control of transparency, heat resistance, yellowing tendency, weathering resistance.
- silicone resins (i) prepared according to the invention are given below.
- Me 2 correspondingly means two methyl radicals. Since the silanol content could not be determined by means of 1 H-NMR, the following BSA method was used to determine the hydroxyl group content:
- the heat of reaction is measured with a commercially available calorimeter of appropriate dimensions.
- the calibration of the system is carried out with a 2% solution of ethanol in toluene.
- the measurement uncertainty for the OH content determination with BSA is 0.06%.
- the silanol content is not determinable in X H-NMR due to signal overlays.
- the vinyl content is 1.32 mmol / g, the silicon-bonded hydrogen content 1.56 mmol / g.
- the molar composition is:
- R is mainly ethyl, as well as hydrogen.
- the content of silanol groups (as hydroxy groups) in the final product is 0.38 wt .-%, determined by the BSA method, the content of ethoxysilyl (as ethoxy) 0.12 wt .-%, whereby both values compared to the starting resin by more than the factor 10 were reduced.
- the substance to be tested is adjusted to 25 ° C.
- the silanol content is not determinable in 1 H-NMR due to signal overlays.
- the vinyl content is 2.08 mmol / g, the content of silicon-bonded hydrogen 0.54 mmol / g.
- the molar composition is:
- R is mainly ethyl, as well as hydrogen.
- the content of silanol groups (as hydroxy groups) in the end product is 0.44 wt .-%, the content of ethoxy silyl groups (as ethoxy) 0.35 wt .-%, whereby both values compared to the starting resin by about a factor of 10 were reduced ,
- the silanol content is not determinable in 1 H-NMR due to signal overlays.
- the vinyl content is 0.84 mmol / g.
- the molar composition is:
- R is mainly ethyl, as well as hydrogen.
- the content of silanol groups (as hydroxy groups) in the end product is 0.38 wt .-%, the content of ethoxyl silyl groups (as ethoxy) 0.85 wt .-%, whereby both values are significantly reduced compared to the starting resin.
- the silanol content can not be determined in the ⁇ MR due to signal overlays.
- the organic residue is present as undecenoic acid, i. the protective group is split off.
- the molar composition is:
- the silanol content can not be determined in the ⁇ -NMR due to signal overlays.
- the molar composition is:
- the mixture is heated to 80 ° C and stirred for 90 min at this temperature. It is neutralized by adding 0.42 g of 25% aqueous sodium hydroxide solution. Subsequently, 25 g filter aid Seitz EF are added, stirred for 15 minutes and filtered through a Seitz K 100 filter plate with a pressure filter. A clear, slightly yellowish solution is obtained, which is concentrated by distilling to a bottom temperature of 128 ° C. 350 g of a 75% strength by weight toluene solution are obtained.
- the molar composition is:
- PhSi0 3/2 39.7% where R is mainly ethyl, as well as hydrogen.
- the content of silanol groups (as hydroxy groups) in the end product is 6.44 wt .-%, the content of ethoxyl silyl groups (as ethoxy) 8.01 wt .-%, so that after the reaction more hydroxy and alkoxy groups bound to the resin than before the reaction.
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Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014218918.7A DE102014218918A1 (de) | 2014-09-19 | 2014-09-19 | Verfahren zur Herstellung von organofunktionellen Siliconharzen |
| PCT/EP2015/071242 WO2016042035A1 (de) | 2014-09-19 | 2015-09-16 | Verfahren zur herstellung von organofunktionellen siliconharzen |
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| Publication Number | Publication Date |
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| EP3194470A1 true EP3194470A1 (de) | 2017-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| EP15771053.4A Withdrawn EP3194470A1 (de) | 2014-09-19 | 2015-09-16 | Verfahren zur herstellung von organofunktionellen siliconharzen |
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| Country | Link |
|---|---|
| US (1) | US20170306097A1 (de) |
| EP (1) | EP3194470A1 (de) |
| JP (1) | JP2017533297A (de) |
| KR (1) | KR20170057392A (de) |
| CN (1) | CN106715537A (de) |
| DE (1) | DE102014218918A1 (de) |
| WO (1) | WO2016042035A1 (de) |
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| KR20210096649A (ko) * | 2019-05-17 | 2021-08-05 | 와커 헤미 아게 | 가교되어 실리콘 수지 복합 물질을 형성할 수 있는 실리콘 조성물 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3398177A (en) * | 1965-05-10 | 1968-08-20 | Dow Corning | Redistribution of sih bonds |
| DE1975683U (de) * | 1967-08-25 | 1967-12-21 | Heinrich Schaeffer Landmaschin | Frontlader-konsole fuer ackerschlepper. |
| DE2030936C3 (de) * | 1970-06-23 | 1974-03-21 | Wacker-Chemie Gmbh, 8000 Muenchen | Verfahren zur Herstellung von Organopolysiloxanölen |
| DE2823118A1 (de) * | 1978-05-26 | 1979-11-29 | Wacker Chemie Gmbh | Verfahren zur herstellung von sic-gebundene vinylgruppen enthaltenden organopolysiloxanharzen |
| GB8615862D0 (en) * | 1986-06-28 | 1986-08-06 | Dow Corning Ltd | Making siloxane resins |
| DE3709045A1 (de) | 1987-03-19 | 1988-09-29 | Wacker Chemie Gmbh | Verfahren zur herstellung von der bewitterung ausgesetzten anstrichen |
| US5280098A (en) | 1992-09-30 | 1994-01-18 | Dow Corning Corporation | Epoxy-functional silicone resin |
| DE4441057C2 (de) * | 1994-11-17 | 1999-02-25 | Wacker Chemie Gmbh | Verfahren zur kontinuierlichen Herstellung von Organopolysiloxanen |
| US5510430A (en) * | 1995-03-31 | 1996-04-23 | General Electric Company | Method of functionalizing organosiloxane condensation products |
| DE19756832A1 (de) * | 1997-12-19 | 1999-07-01 | Wacker Chemie Gmbh | Verfahren zur Veränderung der Viskosität von Organopolysiloxanen |
| EP1010714B1 (de) | 1998-12-15 | 2006-04-12 | General Electric Company | Verfahren zur Herstellung funktioneller Gruppen enthaltender Siloxane, diese enthaltende Zusammensetzungen und daraus hergestellte Artikel |
| DE10151264A1 (de) | 2001-10-17 | 2003-04-30 | Degussa | Aminoalkylalkoxysiloxanhaltige Gemische, deren Herstellung und deren Verwendung |
| JP4381636B2 (ja) * | 2001-11-05 | 2009-12-09 | 新日鐵化学株式会社 | シリコーン樹脂組成物及びシリコーン樹脂成形体 |
| DE10242418A1 (de) | 2002-09-12 | 2004-03-25 | Wacker-Chemie Gmbh | Verfahren zur Herstellung von Organopolysiloxanharz |
| DE10335178A1 (de) | 2003-07-30 | 2005-03-31 | Degussa Ag | Zusammensetzung eines Gemisches aminoalkyl- und oligo-silylierter-aminoalkyl-funktioneller Siliciumverbindungen, deren Herstellung und deren Verwendung |
-
2014
- 2014-09-19 DE DE102014218918.7A patent/DE102014218918A1/de not_active Withdrawn
-
2015
- 2015-09-16 US US15/511,451 patent/US20170306097A1/en not_active Abandoned
- 2015-09-16 KR KR1020177010621A patent/KR20170057392A/ko not_active Abandoned
- 2015-09-16 WO PCT/EP2015/071242 patent/WO2016042035A1/de not_active Ceased
- 2015-09-16 CN CN201580049726.7A patent/CN106715537A/zh active Pending
- 2015-09-16 JP JP2017515053A patent/JP2017533297A/ja active Pending
- 2015-09-16 EP EP15771053.4A patent/EP3194470A1/de not_active Withdrawn
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| Title |
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| None * |
| See also references of WO2016042035A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20170057392A (ko) | 2017-05-24 |
| CN106715537A (zh) | 2017-05-24 |
| DE102014218918A1 (de) | 2016-03-24 |
| WO2016042035A1 (de) | 2016-03-24 |
| US20170306097A1 (en) | 2017-10-26 |
| JP2017533297A (ja) | 2017-11-09 |
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