WO2019072378A1 - Inhibierte edelmetallfreie hydrosilylierbare mischung - Google Patents
Inhibierte edelmetallfreie hydrosilylierbare mischung Download PDFInfo
- Publication number
- WO2019072378A1 WO2019072378A1 PCT/EP2017/075824 EP2017075824W WO2019072378A1 WO 2019072378 A1 WO2019072378 A1 WO 2019072378A1 EP 2017075824 W EP2017075824 W EP 2017075824W WO 2019072378 A1 WO2019072378 A1 WO 2019072378A1
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- WIPO (PCT)
- Prior art keywords
- compound
- mixture
- radicals
- halogen
- general formula
- 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.)
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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
- C07F17/00—Metallocenes
-
- 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
- C07F7/0834—Compounds having one or more O-Si linkage
- C07F7/0838—Compounds with one or more Si-O-Si sequences
- C07F7/0872—Preparation and treatment thereof
- C07F7/0876—Reactions involving the formation of bonds to a Si atom of a Si-O-Si sequence other than a bond of the Si-O-Si linkage
- C07F7/0878—Si-C bond
- C07F7/0879—Hydrosilylation reactions
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C15/00—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts
- C07C15/40—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts substituted by unsaturated carbon radicals
- C07C15/42—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts substituted by unsaturated carbon radicals monocyclic
- C07C15/44—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts substituted by unsaturated carbon radicals monocyclic the hydrocarbon substituent containing a carbon-to-carbon double bond
-
- 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
- C07F7/0834—Compounds having one or more O-Si linkage
- C07F7/0838—Compounds with one or more Si-O-Si sequences
-
- 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
- C07F7/0896—Compounds with a Si-H linkage
-
- 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
Definitions
- the invention relates to a hydrosilylatable mixture containing a compound having cationic Si (I) grouping as
- Catalyst contains and a method for hydrosilylation of the mixture by heating.
- hydrosilicon compounds to alkenes and alkynes plays an important role in the art.
- This reaction referred to as hydrosilylation, is very frequently used for crosslinking siloxanes (elastomer crosslinking) or for introducing functional groups into silanes or siloxanes.
- the hydrosilylations are generally used in the art using precious metal complexes in combination with
- Inhibitors often based on alkynes, which block hydrosilylation at ambient temperatures.
- the object of the present invention was therefore a noble metal-free hydrosilylatable mixture
- Temperature increase can be triggered.
- the invention relates to a mixture containing M
- Alkoxysilicium compounds D in particular at Ambient temperature completely suppressed and can be triggered by increasing the temperature.
- Alkoxysilicon compound D can thus be used as an inhibitor for the hydrosilylation reaction with the non-metallic
- the compound A having at least one hydrogen atom bonded directly to Si preferably has the general formula IR 1 R 1 1H (I), where the radicals R 1 , R 2 and R 3 independently of one another have the meaning hydrogen, halogen, silyloxy radical or hydrocarbon radical, wherein in each case individual carbon atoms can be replaced by oxygen atoms, silicon atoms, nitrogen atoms, halogen, sulfur or phosphorus atoms.
- the radicals R 1 , R 2 and R 3 independently of one another are hydrogen, halogen, unbranched, branched, linear, acyclic or cyclic, saturated or mono- or polyunsaturated C 1 -C 20 -hydrocarbon radical, individual carbon atoms being represented by oxygen, halogen, nitrogen or sulfur can be replaced, or silyloxy of the general formula II
- R x independently of one another are hydrogen, halogen, unbranched, branched, linear, acyclic or cyclic, saturated or mono- or polyunsaturated C 1 -C 20 -hydrocarbon radical, where individual carbon atoms are represented by
- a, b, c and d independently of one another denote integer values from 0 to 100,000, the sum of a, b, c and d together assuming at least the value 1.
- radicals R 1 , R 2 and R 3 are preferably, the radicals R 1 , R 2 and R 3
- R x is independently hydrogen, chlorine, C 1 -C 6 alkyl or alkylene or phenyl.
- radicals R 1 , R 2 and R 3 are the radicals methyl, ethyl, propyl, phenyl, chlorine or silyloxy radical, in particular of the general formula II.
- radicals R x are the radicals methyl, ethyl, propyl, phenyl and chlorine.
- the compound A can also be a mixture of different
- the compounds B having at least one carbon-carbon multiple bond are preferably selected from
- R 4 , R 5 , R 6 , R 7 , R 8 and R 9 independently of one another are linear, branched, acyclic or cyclic, saturated or mono- or polyunsaturated C 1 -C 20 -carbon radicals, where individual carbon atoms are represented by silicon, oxygen, halogen, Nitrogen, sulfur or phosphorus can be replaced.
- the radicals R 4, R 5, R 6, R 7, R 8 and R 9 are independently hydrogen, linear, branched, acyclic or cyclic, saturated or singly or multiply unsaturated Cl-C20-hydrocarbon radical which is interrupted by one or more heteroatom groups, in particular the groups halogen, in particular chlorine, nitrile, alkoxy, COOR z, 0-CO-R z, NH-CO-R z, 0-COOR z may be substituted, wherein R z is independently hydrogen, chlorine , C1-C6 is alkyl or alkylene or phenyl.
- Examples of compounds B are ethylene, propylene, 1-butylene, 2-butylene, cyclohexene,
- Phenylacetylene and diphenylacetylene are Phenylacetylene and diphenylacetylene.
- the compounds A and B may also be linked together by one or more chemical bonds, i. they can both be present in a molecule.
- Compound C contains one or more cationic Si (II) groups.
- the compound C is preferably a cationic Si (II) compound of the general formula IV
- Cp is a ⁇ -bonded cyclopentadienyl radical of the general formula V which is substituted by the radicals R Y ,
- Cyclopentadienyl radical Cp is understood to mean the cyclopentadienyl anion which consists of a singly negatively charged, aromatic five-membered ring system CsR y 5 ⁇ .
- R Y are any monovalent radicals or polyvalent radicals which may also be linked together to form fused rings.
- radicals R Y independently of one another are preferably hydrogen, linear or branched, acyclic or cyclic, saturated or mono- or polyunsaturated C 1 -C 20 -alkyl or aryl, particularly preferably C 1 -C 3 -alkyl, very particularly preferably methyl radicals.
- radicals R Y are alkyl radicals, such as the methyl, ethyl, n-propyl, iso-propyl, n-butyl, sec-butyl, iso-butyl, tert. Butyl, n-pentyl, sec-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 the 2,4,4-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; Hexadecyl radicals, such as the n-hexadecyl radical; Octadecyl radicals, such as the n-octadecyl radical; Cycloalkyl radicals, such as the cyclopentyl, cyclohexyl, cycloheptyl and
- Methylcyclohexyl radical Aryl radicals, such as the phenyl, naphthyl, anthryl and phenanthryl radicals; Alkaryl radicals, such as the o-, m- and p-tolyl, xylyl, mesitylenyl and o-, m- and p-ethylphenyl radicals; and alkaryl radicals, such as the benzyl radical, the ⁇ - and the ⁇ -phenylethyl radical.
- Aryl radicals such as the phenyl, naphthyl, anthryl and phenanthryl radicals
- Alkaryl radicals such as the o-, m- and p-tolyl, xylyl, mesitylenyl and o-, m- and p-ethylphenyl radicals
- alkaryl radicals such as the benzyl radical, the ⁇ - and the ⁇ -phenylethy
- R a are hydrocarbon radicals.
- the radicals R a are independently
- Alkyl radical in particular C 1 -C 20 -alkyl radical or substituted or unsubstituted phenyl radical, particularly preferred
- radicals R a are methyl, isopropyl, tert. Butyl, 2,6-diisopropylphenyl or 2, 4, 6-triisopropylphenyl.
- X a ⁇ means any a valent anion which under the reaction conditions of hydrosilylation with the
- cationic silicon (I I) center unreacted. It can be both inorganic and organic. Preferably, a has the values 1, 2, or 3, in particular 1.
- aryl radical is preferably phenyl or fluorinated or with Perfluoralkyl substituted phenyl, monovalent polyhedral anion, such as Carborat-anion, or alkoxy and Aryloxymetallation.
- the preparation of the cationic Si (II) compound of the general formula IV can be achieved by adding an acid H + X ⁇ to the
- the anion X "of the acid HX then forms the counterion of the cationic silicon (II) compound.
- the compound of general formula IV may also be prepared by the addition of other Bronsted acids, with acids being preferred whose anions conform to the weak coordination requirements set forth above.
- the compound D having at least one alkoxy group bonded directly to silicon preferably has the general formula VI
- R iJ R i4 R i Si-0-CH2-R (VI) where the radicals R, R and R independently of one another, the importance of hydrogen, halogen, silyloxy, preferably the above general formula II, or have hydrocarbon radical, wherein each individual carbon atoms by Sauer ⁇ atoms, halogen, sulfur or phosphorus atoms may be replaced and
- R 16 is hydrogen or hydrocarbon radical in which individual non-adjacent carbon atoms through Oxygen atoms, silicon, halogen, sulfur or phosphorus atoms can be replaced.
- radicals R 13 , R 14 and R 15 are particularly preferably, the radicals R 13 , R 14 and R 15
- R x has the above meanings and preferred meanings.
- R 16 is hydrogen, unbranched, branched, linear, acyclic or cyclic, saturated or mono- or polyunsaturated C 1 -C 20 -
- R x has the above meanings and preferred meanings.
- a, b, c and d independently of one another denote integer values from 0 to 100,000, the sum of a, b, c and d together assuming at least the value 1.
- the silyloxy of general formula II has a
- R x is independently hydrogen, chlorine, C 1 -C 6 alkyl or alkylene or phenyl.
- R 16 is hydrogen, C 1 -C 6 -alkyl or alkylene or phenyl.
- Particularly preferred radicals R 13 , R 14 and R 15 are the radicals
- radicals R 16 are the radicals methyl, ethyl, propyl, butyl or pentyl.
- radicals R x are the radicals methyl, ethyl, propyl, phenyl and chlorine.
- Compound D may also be a mixture of various compounds of general formulas VI in which if the radicals R 13 , R 14 and R 15 can be different radicals of the general formula II.
- compound A is reacted with compound B in the presence of compound C as a hydrosilylation catalyst.
- compound C as nonmetallic
- the mixture M is preferably on
- At least 40 ° C and at most 150 ° C are preferably heated to 50 to 120 ° C, in particular to 60 to 100 ° C.
- the molar ratio of the compounds A and B, based on the Si-H or unsaturated carbon groups present, is preferably at least 1: 100 and at most 100: 1, more preferably at least 1:10 and at most 10: 1, most preferably at least 1: 2 and no more than 2: 1.
- the molar ratio between the compound C and the Si-H groups present in the compound A is preferably at least 1:10 7 and at most 1: 1, more preferably
- the molar ratio of the compounds C and D is based on the existing cationic Si (I I) grouping of
- Alkoxy grouping of the compound D preferably at least 1: 1 and at most 1: 200, more preferably at least 1: 5 and
- the compounds A, B, C and D can be mixed at low temperature, in particular below 30 ° C., in particular below 20 ° C., in any desired sequence, the mixing taking place in a manner known to those skilled in the art.
- Embodiments are preferred in which a mixture of C and D is mixed with A or with B or the mixture of A and B.
- D is mixed with A or with B or with the mixture of A and B and then C is added.
- the compound C is in one of the compounds A or B or D or in binary
- Compounds C and D can be carried out with or without the addition of one or more solvents.
- the share of Solvent or the solvent mixture is based on the sum of the compounds A and B preferably at least 0.1 wt .-% and at most 1000 times the amount by weight, more preferably at least 10 wt.% And at most 100 times the amount by weight, most preferably at least 30% by weight and at most 10 times the amount by weight.
- hydrocarbons such as pentane, hexane, heptane, cyclohexane or toluene
- chlorinated hydrocarbons such as
- the mixture M may contain any other compounds such as processing aids, for example, emulsifiers, fillers, for example, contain highly disperse silica or quartz ⁇ , stabilizers, for example, free-radical inhibitors, pigments, for example dyes or white pigments, such as chalk or titanium dioxide.
- processing aids for example, emulsifiers
- fillers for example, contain highly disperse silica or quartz ⁇
- stabilizers for example, free-radical inhibitors
- pigments for example dyes or white pigments, such as chalk or titanium dioxide.
- the reaction may be carried out under ambient pressure or under reduced or increased pressure.
- the pressure is preferably at least 0.01 bar and at most 100 bar, more preferably at least 0.1 bar and at most 10 bar, most preferably the reaction is at
- Reaction mixture is analyzed by NMR spectroscopy after this lifetime: ⁇ -methylstyrene and pentamethyldisiloxane are present in the same amount, no hydrosilylation product detectable.
- Pentamethyldisiloxan are present in the same amount, no hydrosilylation product detectable.
- Pentamethyldisiloxan are present in the same amount, no hydrosilylation product detectable.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Description
Claims
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16/478,320 US20200055880A1 (en) | 2017-10-10 | 2017-10-10 | Inhibited noble metal-free mixture that can be hydrosilylated |
| JP2019538486A JP2020512972A (ja) | 2017-10-10 | 2017-10-10 | 貴金属を含まない阻害されたヒドロシリル化可能な混合物 |
| EP17791596.4A EP3544988B1 (de) | 2017-10-10 | 2017-10-10 | Inhibierte edelmetallfreie hydrosilylierbare mischung |
| CN201780083596.8A CN111164089A (zh) | 2017-10-10 | 2017-10-10 | 可被氢化硅烷化的受抑制的不含贵金属的混合物 |
| KR1020197020859A KR20190097198A (ko) | 2017-10-10 | 2017-10-10 | 히드로실릴화될 수 있는 억제된 귀금속 무함유 혼합물 |
| PCT/EP2017/075824 WO2019072378A1 (de) | 2017-10-10 | 2017-10-10 | Inhibierte edelmetallfreie hydrosilylierbare mischung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2017/075824 WO2019072378A1 (de) | 2017-10-10 | 2017-10-10 | Inhibierte edelmetallfreie hydrosilylierbare mischung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2019072378A1 true WO2019072378A1 (de) | 2019-04-18 |
Family
ID=60191339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2017/075824 Ceased WO2019072378A1 (de) | 2017-10-10 | 2017-10-10 | Inhibierte edelmetallfreie hydrosilylierbare mischung |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20200055880A1 (de) |
| EP (1) | EP3544988B1 (de) |
| JP (1) | JP2020512972A (de) |
| KR (1) | KR20190097198A (de) |
| CN (1) | CN111164089A (de) |
| WO (1) | WO2019072378A1 (de) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021069081A1 (de) * | 2019-10-11 | 2021-04-15 | Wacker Chemie Ag | Verfahren zur herstellung von siloxanen aus hydridosiliciumverbindungen |
| JP2022531804A (ja) * | 2019-05-10 | 2022-07-11 | ワッカー ケミー アクチエンゲゼルシャフト | カチオン性ゲルマニウム(ii)化合物の存在下でのシロキサンの調製 |
| JP2022531805A (ja) * | 2019-05-10 | 2022-07-11 | ワッカー ケミー アクチエンゲゼルシャフト | カチオン性ゲルマニウム(ii)化合物、その製造方法、およびヒドロシリル化における触媒としての使用 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016205526A1 (de) * | 2016-04-04 | 2017-10-05 | Wacker Chemie Ag | Edelmetallfreie hydrosilylierbare Mischung |
-
2017
- 2017-10-10 JP JP2019538486A patent/JP2020512972A/ja not_active Withdrawn
- 2017-10-10 WO PCT/EP2017/075824 patent/WO2019072378A1/de not_active Ceased
- 2017-10-10 KR KR1020197020859A patent/KR20190097198A/ko not_active Ceased
- 2017-10-10 EP EP17791596.4A patent/EP3544988B1/de active Active
- 2017-10-10 US US16/478,320 patent/US20200055880A1/en not_active Abandoned
- 2017-10-10 CN CN201780083596.8A patent/CN111164089A/zh not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016205526A1 (de) * | 2016-04-04 | 2017-10-05 | Wacker Chemie Ag | Edelmetallfreie hydrosilylierbare Mischung |
Non-Patent Citations (10)
| Title |
|---|
| ACS CATALYSIS, vol. 6, 2016, pages 2632 |
| ACS CATALYSIS, vol. 6, 2016, pages 4105 |
| CHIRIK ET AL., SCIENCE, vol. 335, 2012, pages 567 |
| DRIESS ET AL., ANGEW. CHEM. INT. ED., vol. 45, 2006, pages 6730 |
| FILIPPOU, ANGEW. CHEM. INT. ED., vol. 52, 2013, pages 6974 |
| INOUE ET AL., CHEM. COMMUN., vol. 50, 2014, pages 12619 |
| KROSSING, ANGEW. CHEM., vol. 116, 2004, pages 2116 |
| SASAMORI ET AL., CHEM. EUR. J., vol. 20, 2014, pages 9246 |
| SCIENCE, vol. 305, 2004, pages 849 - 851 |
| SO ET AL., CHEM. EUR. J., vol. 19, 2013, pages 11786 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022531804A (ja) * | 2019-05-10 | 2022-07-11 | ワッカー ケミー アクチエンゲゼルシャフト | カチオン性ゲルマニウム(ii)化合物の存在下でのシロキサンの調製 |
| JP2022531805A (ja) * | 2019-05-10 | 2022-07-11 | ワッカー ケミー アクチエンゲゼルシャフト | カチオン性ゲルマニウム(ii)化合物、その製造方法、およびヒドロシリル化における触媒としての使用 |
| JP7300523B2 (ja) | 2019-05-10 | 2023-06-29 | ワッカー ケミー アクチエンゲゼルシャフト | カチオン性ゲルマニウム(ii)化合物、その製造方法、およびヒドロシリル化における触媒としての使用 |
| JP7300522B2 (ja) | 2019-05-10 | 2023-06-29 | ワッカー ケミー アクチエンゲゼルシャフト | カチオン性ゲルマニウム(ii)化合物の存在下でのシロキサンの調製 |
| WO2021069081A1 (de) * | 2019-10-11 | 2021-04-15 | Wacker Chemie Ag | Verfahren zur herstellung von siloxanen aus hydridosiliciumverbindungen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111164089A (zh) | 2020-05-15 |
| EP3544988B1 (de) | 2020-02-26 |
| JP2020512972A (ja) | 2020-04-30 |
| US20200055880A1 (en) | 2020-02-20 |
| KR20190097198A (ko) | 2019-08-20 |
| EP3544988A1 (de) | 2019-10-02 |
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