WO2017043294A1 - 新規ビニルシラン化合物 - Google Patents
新規ビニルシラン化合物 Download PDFInfo
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- WO2017043294A1 WO2017043294A1 PCT/JP2016/074322 JP2016074322W WO2017043294A1 WO 2017043294 A1 WO2017043294 A1 WO 2017043294A1 JP 2016074322 W JP2016074322 W JP 2016074322W WO 2017043294 A1 WO2017043294 A1 WO 2017043294A1
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- carbon atoms
- vinyl silane
- silane compound
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- 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
- C07F7/0803—Compounds with Si-C or Si-Si linkages
- C07F7/0805—Compounds with Si-C or Si-Si linkages comprising only Si, C or H atoms
-
- 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
-
- 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
- C07F7/0803—Compounds with Si-C or Si-Si linkages
- C07F7/0825—Preparations of compounds not comprising Si-Si or Si-cyano linkages
- C07F7/0832—Other preparations
-
- 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
- C08G77/48—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 in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms
- C08G77/50—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 in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms by carbon linkages
Definitions
- the present invention relates to a novel vinyl silane compound, particularly a vinyl silane compound capable of reversibly causing a change between a dimer and a monomer by heat and a method for producing the same.
- vinylsilane compound having two vinylsilyl groups in the molecule in particular, vinyldiorganosilyl group such as vinyldimethylsilyl group
- 1,3-divinyl-1,1,3,3-tetramethyldisiloxane 1,3-divinyl-1,1,3,3-tetraphenyldisiloxane, dimethylpolysiloxane blocked with dimethylvinylsiloxy group at both ends of the molecular chain, and the like. Since these compounds have a vinylsilyl group, it is possible to carry out a hydrosilylation addition reaction with hydrosilane or organohydrogenpolysiloxane.
- an object of the present invention is to provide a vinylsilane compound capable of imparting new properties to an organosilicon resin by connecting vinylsilyl groups with a structure other than a siloxane bond.
- the present invention provides the following vinylsilane compound. ⁇ 1> The following general formula (1)
- each A is independently a divalent hydrocarbon group having 1 to 6 carbon atoms
- Y is each independently a substituted or unsubstituted monovalent hydrocarbon group having 1 to 12 carbon atoms.
- each A is independently a methylene group, an ethylene group or a trimethylene group.
- the vinyl silane compound of the present invention may be a mixture of various vinyl silane compounds having different structures as long as the structure is in the range of the above formula (1).
- the present invention also provides the following method for producing a vinylsilane compound.
- ⁇ 4> The following formula (2) (Wherein A is a divalent hydrocarbon group having 1 to 6 carbon atoms, Y is independently a substituted or unsubstituted monovalent hydrocarbon group having 1 to 12 carbon atoms, and X is a halogen atom. .)
- ⁇ 5> The method for producing a vinylsilane compound according to ⁇ 4>, wherein A is a methylene group, ethylene group or trimethylene group, Y is a methyl group, and X is a Cl atom or a Br atom.
- the vinylsilane compound of the present invention has a vinylsilyl group
- hydrosilylation addition reaction with hydrosilane or organohydrogenpolysiloxane is possible.
- the vinylsilane compound of the present invention and a bifunctional organohydrogenpolysiloxane having two silicon-bonded hydrogen atoms (SiH groups) in the molecule in particular, one SiH group at each end of the molecular chain
- SiH groups silicon-bonded hydrogen atoms
- an organosilicon resin such as an organopolysiloxane having a certain degree of molecular weight (degree of polymerization) can be obtained.
- This organosilicon resin has thermoplasticity because the dicyclopentadiene skeleton derived from the vinylsilane compound of the present invention reversibly changes between a dimer and a monomer by heat. Therefore, the vinylsilane compound of the present invention is a suitable compound as a compound that can impart thermoplasticity to the organosilicon resin.
- Example 1 is a 1 H-NMR chart of a vinylsilane compound obtained in Example 1.
- the vinylsilane compound of the present invention is a compound represented by the above general formula (1) (that is, a bissilane compound having two vinylsilyl groups on a dicyclopentadiene skeleton).
- a divalent hydrocarbon group having 1 to 6 carbon atoms, particularly 1 to 4 carbon atoms, particularly 1 to 3 carbon atoms represented by A is represented by — (CH 2 ) n
- a linear alkylene group represented by-(n is an integer of 1 to 6, particularly 1 to 4, particularly 1 to 3) is preferable.
- - (CH 2) - methylene group represented by, - (CH 2) 2 - ethylene (dimethylene group) represented by, or - (CH 2) 3 - trimethylene group represented by are preferred.
- the substituted or unsubstituted monovalent hydrocarbon group represented by Y having 1 to 12 carbon atoms, preferably 1 to 6 carbon atoms may be a methyl group, an ethyl group, or propyl group.
- cycloalkyl group such as a group; an alkenyl group such as a vinyl group, allyl group, propenyl group, isopropenyl group, butenyl group, isobutenyl group, pentenyl group, hexenyl group, cyclohexenyl group; phenyl group, tolyl group, xylyl group, ⁇ Aryl groups such as-, ⁇ -naphthyl group; aralkyl groups such as benzyl group, 2-phenylethyl group, 3-
- the vinylsilane compound of the present invention can be easily produced, for example, by the following method. That is, the following formula (2) (In the formula, A is a divalent hydrocarbon group having 1 to 6 carbon atoms, particularly 1 to 4 carbon atoms, especially 1 to 3 carbon atoms, such as a methylene group, an ethylene group, a trimethylene group, or a tetramethylene group.
- a methylene group, an ethylene group or a trimethylene group, and Y is independently a substituted or unsubstituted monovalent hydrocarbon group having 1 to 12 carbon atoms, preferably 1 to 6 carbon atoms, more preferably A methyl group or an ethyl group
- X is a halogen atom such as F, Cl, Br, or I, preferably a Cl atom or a Br atom.
- the dienylide may be reacted in an organic solvent.
- alkali cyclopentadienyl used in the production method of the present invention include sodium or potassium salts of cyclopentadiene such as sodium cyclopentadienyl and potassium cyclopentadienyl.
- the amount of alkali cyclopentadienylide used is preferably 1.0 to 2.0 mol, particularly 1.0 to 1.2 mol, per 1 mol of vinyl diorganohaloorganosilane. preferable.
- Suitable organic solvents used in the production method of the present invention include aromatics such as benzene, toluene and xylene; ethers such as diethyl ether, diisopropyl ether and tetrahydrofuran; n-pentane, n-hexane and cyclohexane. Hydrocarbons are exemplified.
- the reaction temperature in the production method of the present invention is not particularly limited as long as the Diels-Alder reaction in alkali cyclopentadienylide proceeds.
- the reaction temperature is preferably room temperature (25 ° C. ⁇ 10 ° C.) to 100 ° C., since it may become a monomer due to thermal decomposition of the produced dimer at 150 ° C. or higher.
- the target compound is purified by distillation under reduced pressure to obtain the target compound of the present invention.
- Example 1 A 1000 ml four-necked flask was charged with 94.3 g (0.7 mol) of vinyldimethylchloromethylsilane and 100 ml of tetrahydrofuran, and cooled to 0 ° C. While stirring, 350 ml (0.7 mol) of 2.0M tetrahydrofuran solution of sodium cyclopentadienylide (Aldrich) was added dropwise. After completion of dropping, the temperature was raised to 50 ° C. and stirred for 12 hours.
- Reference example 1 7.4 mass of dimethylpolysiloxane in which the number of repeating dimethylsiloxane units in the main chain is about 40 and both molecular chain ends are blocked with dimethylhydrogensiloxy groups (dimethylchainsiloxy group-blocked dimethylpolysiloxane at both molecular chain ends)
- a platinum catalyst Shin-Etsu
- Chemical CAT-PL-50T platinum catalyst
- Reference example 2 11.5 parts of dimethylpolysiloxane having approximately 60 dimethylsiloxane units in the main chain and both ends of the molecular chain blocked with dimethylhydrogensiloxy groups (dimethylpolysiloxane blocked with dimethylhydrogensiloxy groups at both ends of the molecular chain) After adding 0.8 part of vinylsilane prepared in Example 1 and mixing at room temperature for 5 minutes, 0.1 part of platinum catalyst (CAT-PL-50T manufactured by Shin-Etsu Chemical) was added and again at room temperature for 5 minutes. Mixed. The obtained mixture was heated in a glass petri dish at 60 ° C. for 48 hours to obtain a cured product 2.
- platinum catalyst CAT-PL-50T manufactured by Shin-Etsu Chemical
- Comparative Reference Example 1 11.5 parts of dimethylpolysiloxane having approximately 60 dimethylsiloxane units in the main chain and both ends of the molecular chain blocked with dimethylhydrogensiloxy groups (dimethylpolysiloxane blocked with dimethylhydrogensiloxy groups at both ends of the molecular chain) 1,3-divinyl-1,1,3,3-tetramethyldisiloxane (0.5 part) was added and mixed at room temperature for 5 minutes, then platinum catalyst (CAT-PL-50T manufactured by Shin-Etsu Chemical Co., Ltd.) 0. 1 part was added and mixed again at room temperature for 5 minutes. The obtained mixture was heated at 60 ° C. for 48 hours in a glass petri dish to obtain a cured product 3.
- platinum catalyst CAT-PL-50T manufactured by Shin-Etsu Chemical Co., Ltd.
- the present invention is not limited to the above embodiment.
- the above-described embodiment is an exemplification, and the present invention has any configuration that has substantially the same configuration as the technical idea described in the claims of the present invention and that exhibits the same effects. Are included in the technical scope.
- the vinylsilane compound of the present invention has a vinylsilyl group
- hydrosilylation addition reaction with hydrosilane or organohydrogenpolysiloxane is possible.
- the vinylsilane compound of the present invention is reacted with a bifunctional organohydrogenpolysiloxane having two silicon-bonded hydrogen atoms (SiH groups) in the molecule
- the polymerization reaction proceeds (that is, hydrosilylation addition).
- an organosilicon resin having a high molecular weight (degree of polymerization) can be obtained.
- This organosilicon resin has thermoplasticity because the dicyclopentadiene skeleton derived from the vinylsilane compound of the present invention reversibly changes between a dimer and a monomer by heat. Therefore, the vinylsilane compound of the present invention is useful as a compound that imparts thermoplasticity to the organosilicon resin.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Silicon Polymers (AREA)
Abstract
Description
〈1〉下記一般式(1)
で表されるビニルシラン化合物。
本発明の製造方法に用いるアルカリシクロペンタジエニリドとしては、ナトリウムシクロペンタジエニリド、カリウムシクロペンタジエニリド等のシクロペンタジエンのナトリウム塩又はカリウム塩などが例示される。
アルカリシクロペンタジエニリドの使用量は、ビニルジオルガノハロオルガノシラン1モルに対して、1.0~2.0モルとすることが好ましく、特に1.0~1.2モルとすることが好ましい。
また、本発明の製造方法に用いる好適な有機溶媒としては、ベンゼンやトルエン、キシレン等の芳香族類;ジエチルエーテルやジイソプロピルエーテル、テトラヒドロフラン等のエーテル類;n-ペンタン、n-ヘキサン、シクロヘキサン等の炭化水素類が例示される。
反応終了後、目的化合物を減圧蒸留等により精製し、本発明の目的化合物を得る。
1000ml4つ口フラスコにビニルジメチルクロロメチルシラン94.3g(0.7mоl)とテトラヒドロフラン100mlを仕込み、0℃に冷却した。撹拌しながらナトリウムシクロペンタジエニリドの2.0Mテトラヒドロフラン溶液350ml(0.7mоl)(アルドリッチ社製)を滴下した。滴下終了後50℃に昇温し、12時間撹拌した。飽和塩化アンモニウム水溶液を加えて反応を停止後、有機層を分離し、減圧下、溶媒を留去後、目的物を減圧蒸留により精製し、沸点51℃/300Paの無色透明の液体35.4g(30%)を得た。
1H-NMRスペクトルの測定の結果から、ここで得られたものは式(3)の構造の3a,4,7,7a,-テトラヒドロ-1,8-ビス(ビニルジメチルシリルメチル)-4,7-メタノ-1H-インデンであると考えられる。
主鎖のジメチルシロキサン単位の繰り返し数が40個程度で分子鎖両末端がジメチルハイドロジェンシロキシ基で封鎖されたジメチルポリシロキサン(分子鎖両末端ジメチルハイドロジェンシロキシ基封鎖ジメチルポリシロキサン)7.4質量部(以下、単に「部」という)に、実施例1で調製したビニルシラン0.8部を加えて室温(ここでは25℃、以下、同様。)にて5分混合した後、白金触媒(信越化学製CAT-PL-50T)0.1部を加えて再度室温にて5分混合した。得られた混合物をガラスシャーレ内で60℃で48時間加熱することで硬化物1を得た。
主鎖のジメチルシロキサン単位の繰り返し数が60個程度で分子鎖両末端がジメチルハイドロジェンシロキシ基で封鎖されたジメチルポリシロキサン(分子鎖両末端ジメチルハイドロジェンシロキシ基封鎖ジメチルポリシロキサン)11.5部に、実施例1で調製したビニルシラン0.8部を加えて室温にて5分混合した後、白金触媒(信越化学製CAT-PL-50T)0.1部を加えて再度室温にて5分混合した。得られた混合物をガラスシャーレ内で60℃で48時間加熱することで硬化物2を得た。
主鎖のジメチルシロキサン単位の繰り返し数が60個程度で分子鎖両末端がジメチルハイドロジェンシロキシ基で封鎖されたジメチルポリシロキサン(分子鎖両末端ジメチルハイドロジェンシロキシ基封鎖ジメチルポリシロキサン)11.5部に、1,3-ジビニル-1,1,3,3-テトラメチルジシロキサン0.5部を加えて室温にて5分混合した後、白金触媒(信越化学製CAT-PL-50T)0.1部を加えて再度室温にて5分混合した。得られた混合物をガラスシャーレ内で60℃で48時間加熱することで硬化物3を得た。
参考例1~2及び比較参考例1で調製された硬化物1~3をアルミシャーレ上に取り出し、180℃のオーブン内で1時間加熱した。加熱後に該硬化物1~3の性状(即ち、該硬化物が固体状のままか、あるいは加熱により液状化しているかどうか)を目視及び指触により確認し、更に、加熱により液状化した該硬化物1,2について、更に室温で放置し、再び性状が変化するかどうか(即ち、加熱により一旦液状化したものが再び固体化するかどうか)を目視及び指触により確認した。
これらの結果を下記表1に示した。
Claims (5)
- Aがそれぞれ独立にメチレン基、エチレン基またはトリメチレン基である請求項1記載のビニルシラン化合物。
- Yがメチル基である請求項1又は2記載のビニルシラン化合物。
- Aがメチレン基、エチレン基またはトリメチレン基であり、Yがメチル基であり、かつ、XがCl原子またはBr原子である請求項4記載のビニルシラン化合物の製造方法。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16844157.4A EP3348559B1 (en) | 2015-09-08 | 2016-08-22 | Novel vinyl silane compound |
| US15/757,873 US10174058B2 (en) | 2015-09-08 | 2016-08-22 | Vinyl silane compound |
| JP2017539095A JP6460250B2 (ja) | 2015-09-08 | 2016-08-22 | 新規ビニルシラン化合物 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-176907 | 2015-09-08 | ||
| JP2015176907 | 2015-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2017043294A1 true WO2017043294A1 (ja) | 2017-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2016/074322 Ceased WO2017043294A1 (ja) | 2015-09-08 | 2016-08-22 | 新規ビニルシラン化合物 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US10174058B2 (ja) |
| EP (1) | EP3348559B1 (ja) |
| JP (1) | JP6460250B2 (ja) |
| WO (1) | WO2017043294A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023508526A (ja) * | 2019-12-31 | 2023-03-02 | 大連理工大学 | 加硫剤及びその使用 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004182737A (ja) * | 2002-12-03 | 2004-07-02 | Canon Inc | 縮合共役化合物に基づく有機発光デバイス |
| WO2011129935A1 (en) * | 2010-04-12 | 2011-10-20 | The Government Of The United States Of America, As Represented By The Secretary Of The Navy | Copolymers and ceramic-carbonaceous solids from divinyl aromatic ether oligomers and divinyl carborane siloxane |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2676064B1 (fr) * | 1991-04-30 | 1994-07-29 | Rhone Poulenc Chimie | Polyorganosiloxanes a groupements cyclopentadienyles et/ou cyclopentadienylenes et/ou dicyclopentadienylenes, leurs preparations et leur utilisation dans des compositions reticulables en elastomeres. |
| JP3987196B2 (ja) | 1997-12-29 | 2007-10-03 | 東レ・ダウコーニング株式会社 | 有機ケイ素重合体エマルジョンの製造方法 |
| JP6011230B2 (ja) | 2011-10-25 | 2016-10-19 | セントラル硝子株式会社 | シロキサン系組成物およびその硬化物ならびにその用途 |
-
2016
- 2016-08-22 EP EP16844157.4A patent/EP3348559B1/en active Active
- 2016-08-22 JP JP2017539095A patent/JP6460250B2/ja active Active
- 2016-08-22 WO PCT/JP2016/074322 patent/WO2017043294A1/ja not_active Ceased
- 2016-08-22 US US15/757,873 patent/US10174058B2/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004182737A (ja) * | 2002-12-03 | 2004-07-02 | Canon Inc | 縮合共役化合物に基づく有機発光デバイス |
| WO2011129935A1 (en) * | 2010-04-12 | 2011-10-20 | The Government Of The United States Of America, As Represented By The Secretary Of The Navy | Copolymers and ceramic-carbonaceous solids from divinyl aromatic ether oligomers and divinyl carborane siloxane |
Non-Patent Citations (4)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023508526A (ja) * | 2019-12-31 | 2023-03-02 | 大連理工大学 | 加硫剤及びその使用 |
| JP7424682B2 (ja) | 2019-12-31 | 2024-01-30 | 大連理工大学 | 加硫剤及びその使用 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3348559B1 (en) | 2019-11-20 |
| US20180334467A1 (en) | 2018-11-22 |
| EP3348559A1 (en) | 2018-07-18 |
| JPWO2017043294A1 (ja) | 2018-07-19 |
| US10174058B2 (en) | 2019-01-08 |
| JP6460250B2 (ja) | 2019-01-30 |
| EP3348559A4 (en) | 2019-03-13 |
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