JP2000007786A - Production of fluoroalkyl group-containing linear siloxane - Google Patents

Production of fluoroalkyl group-containing linear siloxane

Info

Publication number
JP2000007786A
JP2000007786A JP17909498A JP17909498A JP2000007786A JP 2000007786 A JP2000007786 A JP 2000007786A JP 17909498 A JP17909498 A JP 17909498A JP 17909498 A JP17909498 A JP 17909498A JP 2000007786 A JP2000007786 A JP 2000007786A
Authority
JP
Japan
Prior art keywords
group
fluoroalkyl group
siloxane
fluoroalkyl
polysiloxane
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.)
Pending
Application number
JP17909498A
Other languages
Japanese (ja)
Inventor
Koji Shikanuma
浩二 鹿沼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Momentive Performance Materials Japan LLC
Original Assignee
GE Toshiba Silicones Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by GE Toshiba Silicones Co Ltd filed Critical GE Toshiba Silicones Co Ltd
Priority to JP17909498A priority Critical patent/JP2000007786A/en
Publication of JP2000007786A publication Critical patent/JP2000007786A/en
Pending legal-status Critical Current

Links

Landscapes

  • Silicon Polymers (AREA)

Abstract

PROBLEM TO BE SOLVED: To obtain a linear polysiloxane from easily available raw material by an easy and cheap way which has a long chain fluoroalkyl group, the content thereof being arbitrarily designed, by reacting a fluoroalkyl group-containing polysiloxane (A) with a siloxane or a polysiloxane having a specific structure in the presence of a basic or acidic catalyst. SOLUTION: A compound A is represented by formula I (wherein Rf is a fluoroalkyl; R is a 1-6C alkyl or phenyl; m is 1-6; and R1 is Rf, R, OH or an alkoxy) and a compound B is represented by formula II (wherein R2 is a 1-20C hydrocarbon group; R3 is R2, OH or an alkoxy and n and p are 0-10,000). A basic catalyst includes a quaternary oxide and a siliconate compound thereof and an acidic catalyst includes hydrochloric acid, sulfuric acid and the like. The amount of the catalyst is in the range of 0.0001-0.1 pt.wt. per 100 pts.wt. of the sum of the compounds A and B. The reaction is conducted at temperatures of 60-180 deg.C for 1-25 hours.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、フルオロアルキル
基含有鎖状シロキサンの製造方法に関し、特にフルオロ
アルキル基含有シクロトリシロキサンを経由しない安価
なフルオロアルキル基含有鎖状シロキサンの製造に関す
る。
[0001] The present invention relates to a method for producing a fluoroalkyl group-containing linear siloxane, and more particularly to an inexpensive fluoroalkyl group-containing linear siloxane that does not pass through a fluoroalkyl group-containing cyclotrisiloxane.

【0002】[0002]

【従来の技術】フルオロアルキル基含有シロキサンは表
面張力が小さく、また優れた耐熱性、耐候性、潤滑性、
離型性、撥水性、電気絶縁性等の特性を有することか
ら、各種の作動油、潤滑油、複写機ロールの添加剤、塗
料、表面コート剤、化粧品の添加剤、繊維処理剤等の広
範囲な分野において使用されている。
2. Description of the Related Art Siloxane containing a fluoroalkyl group has a low surface tension and has excellent heat resistance, weather resistance, lubricity,
Due to its properties such as mold release, water repellency, and electrical insulation, a wide range of hydraulic oils, lubricating oils, additives for copier rolls, paints, surface coating agents, cosmetic additives, fiber treatment agents, etc. Used in various fields.

【0003】このようなフルオロアルキル基含有シロキ
サンの製造方法としては、例えばヘキサオルガノジシロ
キサンを末端停止剤として、フルオロアルキル基を含有
する三員環シロキサンを、ナトリウムシラノレート等の
塩基性触媒やトリフルオロメタンスルホン酸等の酸性触
媒の存在下に開環重合させる方法が知られている(特開
平3−95226号)。
[0003] As a method for producing such a fluoroalkyl group-containing siloxane, for example, a hexaorganodisiloxane is used as a terminal stopper, and a fluoroalkyl group-containing three-membered ring siloxane is converted to a basic catalyst such as sodium silanolate or trifluoromethane. A method is known in which ring-opening polymerization is carried out in the presence of an acidic catalyst such as methanesulfonic acid (JP-A-3-95226).

【0004】しかしながら、フルオロアルキル基含有の
環状シロキサンを使用する方法では、原料となる環状シ
ロキサンのフルオロアルキル基が長鎖になるにつれて製
造が困難になり、また精製工程が長く複雑になることか
らコストが高くなる問題があった。
However, in the method using a cyclic siloxane containing a fluoroalkyl group, the production becomes more difficult as the fluoroalkyl group of the cyclic siloxane as a raw material becomes longer, and the purification process becomes longer and more complicated. There was a problem that becomes high.

【0005】かかる状況から、フルオロアルキル基含有
の環状シロキサンを使用しないフルオロアルキル基含有
シロキサンの製造方法として、フルオロアルキル基を有
するジクロロシランとα,ω−ジクロロポリシロキサン
とを金属酸化物と有機溶媒の存在下で反応させる方法も
試みられている(特開平8−3318号)。
[0005] Under these circumstances, a method for producing a fluoroalkyl group-containing siloxane without using a fluoroalkyl group-containing cyclic siloxane is to use a dialkylsilane having a fluoroalkyl group and α, ω-dichloropolysiloxane as a metal oxide and an organic solvent. A method has been attempted in which the reaction is carried out in the presence of a compound (JP-A-8-3318).

【0006】しかしながら、この方法において使用され
る原料のα,ω−ジクロロポリシロキサンの製造も難し
いばかりでなく、脱塩素反応のために金属酸化物を使用
する必要があり、反応終了後には多量の金属塩化物が廃
棄物として生成してしまうという問題があった。
However, not only is it difficult to produce α, ω-dichloropolysiloxane as a raw material used in this method, but also it is necessary to use a metal oxide for the dechlorination reaction, and after the reaction, a large amount of the metal oxide is required. There was a problem that metal chlorides were generated as waste.

【0007】[0007]

【発明が解決しようとする課題】上述したように、従来
のフルオロアルキル基含有鎖状シロキサンの製造方法に
おいては、原料となる長鎖のフルオロアルキル基を導入
したシクロトリシロキサンやα,ω−ジクロロポリシロ
キサンの製造が困難であったり、また多量の廃棄物が生
じるという問題があった。
As described above, in a conventional method for producing a fluoroalkyl group-containing linear siloxane, a long-chain fluoroalkyl group-introduced cyclotrisiloxane or α, ω-dichloro There are problems that it is difficult to produce polysiloxane and that a large amount of waste is generated.

【0008】本発明は、このような課題に対処するため
になされたもので、長鎖フルオロアルキル基含有量を任
意に設定することができ、また容易に入手できる原料か
らフルオロアルキル基含有鎖状シロキサンを製造するた
めの、工業的生産に好適な簡便かつ安価な方法を提供す
ることを目的としている。
The present invention has been made in order to solve such problems, and it is possible to arbitrarily set the content of a long-chain fluoroalkyl group, and to obtain a fluoroalkyl group-containing chain from easily available raw materials. An object of the present invention is to provide a simple and inexpensive method suitable for industrial production for producing siloxane.

【0009】[0009]

【課題を解決するための手段】本発明者等は、上記目的
を達成すべく研究を重ねた結果、一般式(1)で表され
るフルオロアルキル基含有ポリシロキサンと一般式
(2)で表わされるシロキサンまたはポリシロキサンと
を塩基性触媒または酸性触媒の存在下で反応させること
によって長鎖のフルオロアルキル基含有鎖状シロキサン
を得ることが可能であることを見出し、本発明を完成す
るに至った。
Means for Solving the Problems The present inventors have conducted various studies to achieve the above object, and as a result, a fluoroalkyl group-containing polysiloxane represented by the general formula (1) and a fluoroalkyl group-containing polysiloxane represented by the general formula (2) are obtained. It has been found that it is possible to obtain a long-chain fluoroalkyl group-containing linear siloxane by reacting a siloxane or polysiloxane to be produced in the presence of a basic catalyst or an acidic catalyst, thereby completing the present invention. .

【0010】本発明のフルオロアルキル基含有鎖状シロ
キサンの製造方法においては、一般式
In the process for producing a fluorosiloxane-containing linear siloxane of the present invention, the general formula

【化3】 (式中、Rfはフルオロアルキル基を、Rは炭素数1〜
6のアルキル基またはフェニル基であり、これらは同一
でも異なっていても良く、mは1〜6の整数であり、R
1 はRf、R、OH基またはアルコキシ基を示す)で表
されるフルオロアルキル基含有ポリシロキサン(A)と
一般式
Embedded image (In the formula, Rf is a fluoroalkyl group, and R is
6 alkyl groups or phenyl groups, which may be the same or different, m is an integer of 1 to 6,
1 represents Rf, R, an OH group or an alkoxy group) and a fluoroalkyl group-containing polysiloxane (A) represented by the general formula:

【化4】 (式中、R2 は炭素数1〜20の非置換または置換の炭
化水素基であり、これらは同一でも異なっていても良
く、R3 は前記R2 、OH基またはアルコキシ基であ
り、nは0〜10,000の整数を、pは0〜10,0
00の整数を示す)で表されるシロキサンまたはポリシ
ロキサン(B)とを出発原料として使用する。
Embedded image (Wherein, R 2 is an unsubstituted or substituted hydrocarbon group having 1 to 20 carbon atoms, which may be the same or different, and R 3 is the aforementioned R 2 , OH group or alkoxy group, and n Is an integer of 0 to 10,000, and p is 0 to 10,000.
Siloxane or polysiloxane (B) represented by an integer of 00) is used as a starting material.

【0011】本発明において使用される、一般式(1)
において、Rfはフルオロアルキル基であり、例えば、
般式:−(CH2 b (CF2 cCF3 ……(3)、
または、一般式:−(CH2 b CF(CF3 2 ……
(4)(式中、bは2〜6の整数を、cは3〜15の整
数を示す)で表される基が挙げられる。
The general formula (1) used in the present invention:
In the formula, Rf is a fluoroalkyl group, for example,
General formula:-(CH 2 ) b (CF 2 ) c CF 3 (3),
Or, the general formula:-(CH 2 ) b CF (CF 3 ) 2 ...
(4) (wherein b represents an integer of 2 to 6, and c represents an integer of 3 to 15).

【0012】中でも、得られるフルオロアルキル基含有
シロキサンに特に良好な撥水性を付与することができ、
さらに原料の入手が容易なことから、一般式(3)式の
うちbが2〜3で、cが5〜7のフルオロアルキル基が
好ましい。
Above all, it is possible to impart particularly good water repellency to the obtained fluoroalkyl group-containing siloxane,
Further, from the viewpoint of easy availability of raw materials, a fluoroalkyl group in which b is 2 to 3 and c is 5 to 7 in the general formula (3) is preferable.

【0013】また、一般式(1)において、Rは例えば
メチル基、エチル基、プロピル基、イソプロピル基、ブ
チル基、ter−ブチル基、へキシル基、シクロヘキシ
ル基等の炭素数1〜6、好ましくは炭素数1〜4のアル
キル基またはフェニル基であり、特にメチル基であるこ
とが好ましい。
In the general formula (1), R is a group having 1 to 6 carbon atoms such as a methyl group, an ethyl group, a propyl group, an isopropyl group, a butyl group, a ter-butyl group, a hexyl group and a cyclohexyl group. Is an alkyl group having 1 to 4 carbon atoms or a phenyl group, particularly preferably a methyl group.

【0014】一般式(1)におけるR1 は、前記のR
f、R、OH基もしくはメトキシ基、エトキシ基、プロ
ポキシ基、ブトキシ基等のアルコキシ基が例示される。
これらの中でも、反応が良好に進行することから、OH
基や炭素数が1〜6の非置換の一価炭化水素基が好まし
く、特に、OH基、メチル基、フェニル基が望ましい。
また、一般式(1)において、mが1〜6の整数である
と製造が容易である。
R 1 in the general formula (1) is
f, R, an OH group or an alkoxy group such as a methoxy group, an ethoxy group, a propoxy group, a butoxy group.
Among these, since the reaction proceeds favorably, OH
A group or an unsubstituted monovalent hydrocarbon group having 1 to 6 carbon atoms is preferable, and an OH group, a methyl group and a phenyl group are particularly preferable.
Further, in the general formula (1), when m is an integer of 1 to 6, the production is easy.

【0015】本発明に用いられる一般式(1)に表され
るフルオロアルキル基含有ポリシロキサンは、例えば、
一般式:RfSiCl2 ……(5)(式中、Rfは前述
のフルオロアルキル基を表す)で表されるフルオロアル
キル基置換メチルジクロロシランと一般式:(CH3
3 SiCl……(6)で表されるトリメチルクロロシラ
ンとを共加水分解することにより得られる。
The fluoroalkyl group-containing polysiloxane represented by the general formula (1) used in the present invention includes, for example,
General formula: RfSiCl 2 (5) (wherein, Rf represents the above-mentioned fluoroalkyl group) and a general formula: (CH 3 )
3 SiCl ... It is obtained by co-hydrolyzing trimethylchlorosilane represented by (6).

【0016】以上の方法においては、一般式(1)のフ
ルオロアルキル基含有鎖状ポリシロキサンの他、へキサ
メチルジシロキサンやフルオロアルキル基含有環状体等
が一部生成されることもあるが、この混合物をそのまま
使用しても良いし、または必要に応じて一般式(1)以
外の成分を蒸留等により取り除いて使用してもよい。ま
た、共加水分解反応の際、必要に応じて有機溶媒を使用
してもよい。共加水分解生成物として酸が生成する場合
には、塩基性化合物を添加して中和を行ってもよい。
In the above method, in addition to the fluoroalkyl group-containing linear polysiloxane of the general formula (1), hexamethyldisiloxane and a fluoroalkyl group-containing cyclic substance may be partially produced. This mixture may be used as it is, or may be used after removing components other than the general formula (1) by distillation or the like as necessary. In the case of the co-hydrolysis reaction, an organic solvent may be used if necessary. When an acid is generated as a co-hydrolysis product, a neutralization may be performed by adding a basic compound.

【0017】本発明において使用される、他方の出発原
料である一般式(2)において、R2 は炭素数1〜20
の非置換または置換の炭化水素基である。
In the general formula (2) which is the other starting material used in the present invention, R 2 has 1 to 20 carbon atoms.
Is an unsubstituted or substituted hydrocarbon group.

【0018】非置換の1価炭化水素基としてはメチル
基、エチル基、プロピル基、イソプロピル基、ブチル
基、ter−ブチル基、へキシル基等のアルキル基、シ
クロヘキシル基のようなシクロアルキル基、ビニル基、
アリル基等のアルケニル基、フェニル基、トリル基等の
アリール基等が例示される。
Examples of the unsubstituted monovalent hydrocarbon group include an alkyl group such as a methyl group, an ethyl group, a propyl group, an isopropyl group, a butyl group, a ter-butyl group and a hexyl group; a cycloalkyl group such as a cyclohexyl group; Vinyl group,
Examples thereof include an alkenyl group such as an allyl group and an aryl group such as a phenyl group and a tolyl group.

【0019】また、置換の1価炭化水素基としては、炭
素原子に結合した水素原子を、フッ素以外のハロゲン原
子、シアノ基、アミノ基等で置換した基、例えばクロロ
メチル基、シアノメチル基、γ−アミノプロピル基が例
示される。
Examples of the substituted monovalent hydrocarbon group include a group in which a hydrogen atom bonded to a carbon atom is substituted with a halogen atom other than fluorine, a cyano group, an amino group, etc., for example, a chloromethyl group, a cyanomethyl group, a γ-group. -Aminopropyl group is exemplified.

【0020】これらの中でも、炭素数1〜10の非置換
の1価炭化水素基が好ましく、特に、メチル基及びフェ
ニル基が望ましい。
Among these, an unsubstituted monovalent hydrocarbon group having 1 to 10 carbon atoms is preferable, and a methyl group and a phenyl group are particularly preferable.

【0021】一般式(2)におけるR3 は、前記R、O
H基もしくはメトキシ基、エトキシ基、プロポキシ基、
ブトキシ基等のアルコキシ基が例示される。これらの中
でも、反応が良好に進行することから、OH基や炭素数
が1〜6の非置換の一価炭化水素基が好ましく、特に、
OH基、メチル基、フェニル基が望ましい。
In the general formula (2), R 3 represents the above R, O
H group or methoxy group, ethoxy group, propoxy group,
An alkoxy group such as a butoxy group is exemplified. Among these, an OH group or an unsubstituted monovalent hydrocarbon group having 1 to 6 carbon atoms is preferable because the reaction proceeds favorably, and in particular,
OH, methyl and phenyl groups are preferred.

【0022】本発明で使用される平衡化触媒としては、
水酸化ナトリウム、水酸化カリウム等の金属水酸化物、
(CH3 4 NOH(テトラメチルアンモニウムヒドロ
キシド)、(C4 9 4 POH等の第4級水酸化物、
およびこれら水酸化物のシリコネートに代表される塩基
性触媒、塩酸、硫酸、トリフルオロメタンスルホン酸等
の酸性触媒が例示される。
The equilibration catalyst used in the present invention includes:
Metal hydroxides such as sodium hydroxide and potassium hydroxide,
Quaternary hydroxides such as (CH 3 ) 4 NOH (tetramethylammonium hydroxide) and (C 4 H 9 ) 4 POH;
And basic catalysts represented by siliconates of these hydroxides, and acidic catalysts such as hydrochloric acid, sulfuric acid, and trifluoromethanesulfonic acid.

【0023】これらの中でも、反応が良好に進行し、後
に触媒を熱分解できることより第4級水酸化物とそのシ
リコネート化合物が好ましく、特に、(CH3 4 NO
H、(C4 9 4 POH、(CH3 4 NOHのシリ
コネート、(C4 9 4 POHのシリコネート触媒が
望ましい。
Among these, a quaternary hydroxide and its siliconate compound are preferred because the reaction proceeds favorably and the catalyst can be thermally decomposed later. Particularly, (CH 3 ) 4 NO
H, (C 4 H 9 ) 4 POH, (CH 3 ) 4 NOH siliconate, and (C 4 H 9 ) 4 POH siliconate catalyst are preferred.

【0024】触媒使用量は、(A)成分フルオロアルキ
ル基含有ポリシロキサンと(B)成分シロキサンまたは
ポリシロキサンの合計100重量部に対して、0.00
01〜0.1重量部の範囲であり、好ましくは0.00
1〜0.05重量部の範囲である。
The amount of the catalyst used is 0.00 0.00 parts by weight based on the total of 100 parts by weight of the fluoroalkyl group-containing polysiloxane (A) and the siloxane (B).
0.01 to 0.1 part by weight, preferably 0.00
It is in the range of 1 to 0.05 parts by weight.

【0025】平衡化反応は、(A)成分フルオロアルキ
ル基含有ポリシロキサン、(B)成分シロキサンまたは
ポリシロキサンと、平衡化触媒、さらに必要に応じて溶
媒を使用して、60〜180℃の温度範囲で行うことが
好ましく、特に80〜150℃で加熱して、1〜25時
間、好ましくは2〜10時間攪拌することにより行うこ
とが望ましい。圧力は常圧でよいが、減圧、加圧しても
構わない。一般に各成分を混合した直後は、溶液は白濁
しているが反応の進行にともない透明となる。平衡化反
応を行った後は、酸性触媒を使用した場合には塩基性化
合物を、塩基性触媒を使用した場合には酸性化合物を添
加して中和を行う。なお、熱分解性触媒を使用した場合
には、加熱により触媒を分解してもよい。
The equilibration reaction is carried out at a temperature of 60 to 180 ° C. using a fluoroalkyl group-containing polysiloxane (A), a siloxane or polysiloxane (B), an equilibration catalyst and, if necessary, a solvent. It is preferable to heat the mixture at 80 to 150 ° C. and to stir for 1 to 25 hours, preferably 2 to 10 hours. The pressure may be normal pressure, but may be reduced or increased. Generally, immediately after each component is mixed, the solution becomes cloudy, but becomes transparent as the reaction proceeds. After performing the equilibration reaction, a neutralization is performed by adding a basic compound when an acidic catalyst is used, and by adding an acidic compound when a basic catalyst is used. When a thermally decomposable catalyst is used, the catalyst may be decomposed by heating.

【0026】本発明の製造方法によれば、得られるフル
オロアルキル基含有鎖状シロキサンは、(A)成分フル
オロアルキル基含有ポリシロキサン、(B)成分シロキ
サンまたはポリシロキサンの配合比率を選択することに
より、任意のフルオロアルキル基含有率を有するポリマ
ーを得ることができ、また、原料として長鎖フルオロア
ルキル基含有トリシロキサンを使用することもないの
で、製造工程が簡便であり製造コストも著しく低減され
る。
According to the production method of the present invention, the obtained fluoroalkyl group-containing linear siloxane is obtained by selecting the compounding ratio of the (A) component fluoroalkyl group-containing polysiloxane, the (B) component siloxane or the polysiloxane. Since a polymer having an arbitrary content of fluoroalkyl group can be obtained, and a long-chain fluoroalkyl group-containing trisiloxane is not used as a raw material, the production process is simple and the production cost is significantly reduced. .

【0027】本発明のフルオロアルキル基含有鎖状シロ
キサンの用途は特に限定されるものではないが、耐熱
性、潤滑性、撥水・撥油性、柔軟性、耐酸化性、耐薬品
性等に優れていることから、ブレーキ油などの作動油、
計器類の防振油、軸受などの潤滑油、複写機ロールの添
加剤、塗料、表面コート剤、化粧品の添加剤、繊維処理
剤、ポリマー材料への添加剤、消泡剤、帯電防止剤等に
利用できる。
Although the use of the fluoroalkyl group-containing linear siloxane of the present invention is not particularly limited, it is excellent in heat resistance, lubricity, water / oil repellency, flexibility, oxidation resistance, chemical resistance and the like. Hydraulic oil, such as brake oil,
Anti-vibration oil for instruments, lubricating oil for bearings, etc., additives for copier rolls, paints, surface coating agents, additives for cosmetics, fiber treatment agents, additives for polymer materials, defoamers, antistatic agents, etc. Available to

【0028】[0028]

【発明の実施の形態】次に、本発明の具体的な実施例に
ついて詳述するが、本発明はこれに限定されるものでは
ない。
Next, specific examples of the present invention will be described in detail, but the present invention is not limited thereto.

【0029】[実施例1]攪拌装置付500mlの四ッ口
フラスコに、蒸留水248gを入れ攪拌しながら50℃
まで昇温した。ここにC8 172 4 Si(CH3
Cl2 で示されるフルオロアルキル基含有シラン224
g(0.44モル)とクロロトリメチルシラン43.4
g(0.40モル)の混合物を、反応温度が50〜80
℃になるように滴下スピードをコントロールしながら滴
下した。滴下終了後30分間攪拌を続けた後、有機層を
分液し再びフラスコに戻した。この有機層に4%炭酸水
素ナトリウム水溶液200gを添加して90℃で1時間
加熱攪拌を行った。有機層を分液して、水洗を行い、無
水硫酸ナトリウムで乾燥を行い、下式(7)に示す組成
のシリコーン混合物1を232g得た。
Example 1 248 g of distilled water was placed in a 500 ml four-necked flask equipped with a stirrer and stirred at 50 ° C.
Temperature. Here, C 8 F 17 C 2 H 4 Si (CH 3 )
Fluoroalkyl group-containing silane 224 represented by Cl 2
g (0.44 mol) and chlorotrimethylsilane 43.4
g (0.40 mol) of the mixture at a reaction temperature of 50-80.
The solution was dropped while controlling the dropping speed so that the temperature became ° C. After stirring was continued for 30 minutes after the completion of the dropwise addition, the organic layer was separated and returned to the flask. 200 g of a 4% aqueous sodium hydrogen carbonate solution was added to the organic layer, and the mixture was heated and stirred at 90 ° C. for 1 hour. The organic layer was separated, washed with water, and dried over anhydrous sodium sulfate to obtain 232 g of a silicone mixture 1 having a composition represented by the following formula (7).

【0030】[0030]

【化5】 この混合物の構造は、GC(ガスクロマトグラフ)、N
MR(核磁気共鳴)とIR(赤外線吸収)を分析するこ
とで確認された。
Embedded image The structure of this mixture is GC (gas chromatograph), N
It was confirmed by analyzing MR (nuclear magnetic resonance) and IR (infrared absorption).

【0031】得られたシリコーン混合物1を82.9g
と粘度400cStのポリフェニルメチルシロキサン5
4.4gを攪拌装置付の200mlフラスコに仕込み、混
合攪拌した。これを攪拌しながら100℃まで昇温し、
テトラメチルアンモニウムヒドロキシドの30%水溶液
0.09gを添加して、更に混合攪拌を続けた。4時間
攪拌を続けたところ透明になったので、触媒のテトラメ
チルアンモニウムヒドロキシドを分解するために140
℃まで昇温して、2時間攪拌を続けた。次いで、140
℃、10mmHgの加熱減圧条件で低沸点の留分を除去し、
室温まで冷却して、粉末活性炭を1g添加して6時間攪
拌した後、濾過を行い粘度89cStの生成物を123
g得た(収率90%)。
82.9 g of the obtained silicone mixture 1
And polyphenylmethylsiloxane 5 having a viscosity of 400 cSt
4.4 g was charged into a 200 ml flask equipped with a stirrer and mixed and stirred. This was heated to 100 ° C. while stirring,
0.09 g of a 30% aqueous solution of tetramethylammonium hydroxide was added, and mixing and stirring were further continued. After stirring for 4 hours, the mixture became transparent.
C. and the stirring was continued for 2 hours. Then 140
C, 10 mmHg heating under reduced pressure conditions to remove low boiling fractions,
After cooling to room temperature, 1 g of powdered activated carbon was added, and the mixture was stirred for 6 hours.
g (yield 90%).

【0032】得られた生成物は、比重が1.276(2
5℃)、表面張力が19.5dyn /cm)屈折率が1.4
170であった。この生成物について 1H−NMR分祈
を行ったところ、以下の結果が得られた。
The obtained product has a specific gravity of 1.276 (2
5 ° C.), the surface tension is 19.5 dyn / cm) and the refractive index is 1.4.
170. When the product was subjected to 1 H-NMR spectroscopy, the following results were obtained.

【0033】1H−NMRスペクトル: 1 H-NMR spectrum:

【数1】 以上の結果とGC、IR分祈結果より下式(8)で示さ
れるシリコーンであることが確認された。
(Equation 1) From the above results and the results of GC and IR analysis, it was confirmed that the silicone was represented by the following formula (8).

【0034】[0034]

【化6】 [実施例2]実施例1と同様にしてシリコーン混合物1
を製造した。この様にして得られたシリコーン混合物1
を85.1gと粘度2000cStのポリフェニルメチ
ルシロキサン52.2gと触媒に(C4 9 4 POH
の40%水溶液0.07gを使用した他は実施例1と同
様にして、4時間平衡化反応を続けた後、140℃まで
昇温を行い、2時間攪拌を行って触媒を熱分解した。次
いで、140℃、10mmHgの加熱減圧条件で低沸点の留
分を除去し、室温まで冷却して、粉末活性炭を1g添加
して6時間攪拌した後、濾過を行い粘度395cStの
生成物を121g得た(収率88%)。
Embedded image [Example 2] Silicone mixture 1 in the same manner as in Example 1
Was manufactured. Silicone mixture 1 thus obtained
85.1 g, 52.2 g of polyphenylmethylsiloxane having a viscosity of 2000 cSt, and (C 4 H 9 ) 4 POH
After the equilibration reaction was continued for 4 hours in the same manner as in Example 1 except that 0.07 g of a 40% aqueous solution of was used, the temperature was raised to 140 ° C., and the mixture was stirred for 2 hours to thermally decompose the catalyst. Then, a low-boiling point fraction was removed under heating and reduced pressure conditions of 140 ° C. and 10 mmHg, cooled to room temperature, 1 g of powdered activated carbon was added, and the mixture was stirred for 6 hours. (88% yield).

【0035】得られた生成物は、比重が1.317(2
5℃)、表面張力が19.4dyn /cm)屈折率が1.4
223であった。この生成物について 1H−NMR分析
を行ったところ、以下の結果が得られた。
The product obtained has a specific gravity of 1.317 (2
5 ° C.), surface tension is 19.4 dyn / cm) and refractive index is 1.4.
223. 1 H-NMR analysis of this product gave the following results.

【0036】[0036]

【数2】 以上の結果とGC、IR分析結果より下式(9)で示さ
れるシリコーンであることが確認された。
(Equation 2) From the above results and the results of GC and IR analysis, it was confirmed that the silicone was represented by the following formula (9).

【0037】[0037]

【化7】 Embedded image

【0038】[0038]

【発明の効果】本発明によれば、長鎖フルオロアルキル
基含有量を任意に設定することができ、また容易に入手
できる原料からフルオロアルキル基含有鎖状シロキサン
を簡便かつ安価に製造することができる。
According to the present invention, the content of the long-chain fluoroalkyl group can be arbitrarily set, and the fluoroalkyl group-containing linear siloxane can be easily and inexpensively produced from easily available raw materials. it can.

【0039】[0039]

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】一般式 【化1】 (式中、Rfはフルオロアルキル基を、Rは炭素数1〜
6のアルキル基またはフェニル基であり、これらは同一
でも異なっていても良く、mは1〜6の整数であり、R
1 はRf、R、OH基またはアルコキシ基を示す)で表
されるフルオロアルキル基含有ポリシロキサン(A)と
一般式 【化2】 (式中、R2 は炭素数1〜20の非置換または置換の炭
化水素基であり、これらは同一でも異なっていても良
く、R3 は前記R2 、OH基またはアルコキシ基であ
り、nは0〜10,000の整数を、pは0〜10,0
00の整数を示す)で表されるシロキサンまたはポリシ
ロキサン(B)を塩基性触媒または酸性触媒の存在下で
反応させることを特徴とするフルオロアルキル基含有鎖
状オルガノポリシロキサンの製造方法。
1. A compound of the general formula (In the formula, Rf is a fluoroalkyl group, and R is
6 alkyl groups or phenyl groups, which may be the same or different, m is an integer of 1 to 6,
1 represents Rf, R, OH group or alkoxy group) and a fluoroalkyl group-containing polysiloxane (A) represented by the general formula: (Wherein, R 2 is an unsubstituted or substituted hydrocarbon group having 1 to 20 carbon atoms, which may be the same or different, and R 3 is the aforementioned R 2 , OH group or alkoxy group, and n Is an integer of 0 to 10,000, and p is 0 to 10,000.
Wherein the siloxane or polysiloxane (B) represented by the formula (1) is reacted in the presence of a basic catalyst or an acidic catalyst.
【請求項2】 前記塩基性触媒が第4級水酸化物もしく
はそのシリコネート化合物であることを特徴とする請求
項1記載のフルオロアルキル基含有鎖状シロキサンの製
造方法。
2. The process according to claim 1, wherein the basic catalyst is a quaternary hydroxide or a siliconate compound thereof.
【請求項3】 (B)成分がポリメチルフェニルシロキ
サンであることを特徴とする請求項1記載のフルオロア
ルキル基含有シロキサンの製造方法。
3. The method for producing a siloxane having a fluoroalkyl group according to claim 1, wherein the component (B) is polymethylphenylsiloxane.
JP17909498A 1998-06-25 1998-06-25 Production of fluoroalkyl group-containing linear siloxane Pending JP2000007786A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17909498A JP2000007786A (en) 1998-06-25 1998-06-25 Production of fluoroalkyl group-containing linear siloxane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17909498A JP2000007786A (en) 1998-06-25 1998-06-25 Production of fluoroalkyl group-containing linear siloxane

Publications (1)

Publication Number Publication Date
JP2000007786A true JP2000007786A (en) 2000-01-11

Family

ID=16059957

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17909498A Pending JP2000007786A (en) 1998-06-25 1998-06-25 Production of fluoroalkyl group-containing linear siloxane

Country Status (1)

Country Link
JP (1) JP2000007786A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002048240A1 (en) * 2000-12-14 2002-06-20 General Electric Company Process for producing fluorosilicone defoamer composition
KR100432647B1 (en) * 2001-04-19 2004-05-22 삼성에스디아이 주식회사 A composition for a protective layer of a transparent conductive layer and a method for preparing protective layer from the composition
WO2006043334A1 (en) * 2004-10-18 2006-04-27 Nippon Koyu Ltd. Silicone composition for heat dissipation
WO2014030297A1 (en) * 2012-08-23 2014-02-27 マツダ株式会社 Heat-insulating structure of member facing engine combustion chamber, and process for producing same
JP2014040817A (en) * 2012-08-23 2014-03-06 Mazda Motor Corp Heat insulation structure of engine combustion chamber component, and method for manufacturing the same
JP2014040816A (en) * 2012-08-23 2014-03-06 Mazda Motor Corp Heat insulation structure of engine combustion chamber component, and method for manufacturing the same

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002048240A1 (en) * 2000-12-14 2002-06-20 General Electric Company Process for producing fluorosilicone defoamer composition
KR100432647B1 (en) * 2001-04-19 2004-05-22 삼성에스디아이 주식회사 A composition for a protective layer of a transparent conductive layer and a method for preparing protective layer from the composition
WO2006043334A1 (en) * 2004-10-18 2006-04-27 Nippon Koyu Ltd. Silicone composition for heat dissipation
JPWO2006043334A1 (en) * 2004-10-18 2008-05-22 株式会社日本礦油 Silicone composition for heat dissipation
JP5117049B2 (en) * 2004-10-18 2013-01-09 株式会社ニッペコ Silicone composition for heat dissipation
WO2014030297A1 (en) * 2012-08-23 2014-02-27 マツダ株式会社 Heat-insulating structure of member facing engine combustion chamber, and process for producing same
JP2014040817A (en) * 2012-08-23 2014-03-06 Mazda Motor Corp Heat insulation structure of engine combustion chamber component, and method for manufacturing the same
JP2014040816A (en) * 2012-08-23 2014-03-06 Mazda Motor Corp Heat insulation structure of engine combustion chamber component, and method for manufacturing the same
US10161297B2 (en) 2012-08-23 2018-12-25 Mazda Motor Corporation Heat-insulating structure of member facing engine combustion chamber, and process for producing same

Similar Documents

Publication Publication Date Title
EP1208105A1 (en) Process for the formation of polyhedral oligomeric silsesquioxanes
JPH10287685A (en) Production of isocyanato-organosilane
KR20120073259A (en) Synthesis of fluorosilicones and their derivatives
JPH03170530A (en) Organopolysiloxane having one branched molecular terminal and blocked by aminoalkyl group, and its preparation
JP3015145B2 (en) Method for producing organopolysiloxane
JP2000007786A (en) Production of fluoroalkyl group-containing linear siloxane
JPH06293831A (en) Chain polyorganosiloxane and its production
JP5333971B2 (en) Process for producing organosilicon compound containing β-cyanoester group
KR970010592B1 (en) Cyclic and linear polysiloxane silicone fluids and preparation thereof
JPH08109260A (en) Linear organopolysiloxane and its production
JPH0471410B2 (en)
JP3022161B2 (en) Method for producing fluorine-containing organopolysiloxane compound
JP4453827B2 (en) Organoxysilane compound having siloxane bond and method for producing the same
JPH0827272A (en) Production of organosilicon resin
JPH0662773B2 (en) Polysilethylene siloxane
JP3594113B2 (en) Fluorine-containing amide compound
JP3580403B2 (en) Method for producing cyclic oligosiloxane
JPH10158401A (en) Production of fluroalkylated siloxane
JP2000344785A (en) Silacyclobutene compound, its production and polymer formed therefrom
JPH024616B2 (en)
JPH0493326A (en) Production of alkoxy-functional organopolysiloxane and alkoxy-functional organopolysiloxane obtained thereby
JPH10182827A (en) Production of amino-containing organopolysiloxane
JP2806216B2 (en) Silicon compound
EP0688777A2 (en) Fluorine-containing organosilicon compounds and method for their preparation
JP2013185147A (en) Organopolysiloxane containing functional groups at both terminals and method for producing the same

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20050310

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20061020

A131 Notification of reasons for refusal

Effective date: 20061031

Free format text: JAPANESE INTERMEDIATE CODE: A131

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20071106