JP5292680B2 - Fluorine-containing polyether (meth) acrylate and process for producing the same - Google Patents

Fluorine-containing polyether (meth) acrylate and process for producing the same Download PDF

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JP5292680B2
JP5292680B2 JP2006214143A JP2006214143A JP5292680B2 JP 5292680 B2 JP5292680 B2 JP 5292680B2 JP 2006214143 A JP2006214143 A JP 2006214143A JP 2006214143 A JP2006214143 A JP 2006214143A JP 5292680 B2 JP5292680 B2 JP 5292680B2
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敬介 小金
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Unimatec Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a (meth)acrylate derived from a flexible fluorine-containing polyether, and to provide a method for producing the same. <P>SOLUTION: This fluorine-containing polyether (meth)acrylate comprising a mono(meth)acrylate represented by the general formula [Ia]:CH<SB>2</SB>=CRCOO(CH<SB>2</SB>)<SB>d</SB>NHCOOCH<SB>2</SB>CF(CF<SB>3</SB>)[OCF<SB>2</SB>CF(CF<SB>3</SB>)]<SB>a</SB>O(CF<SB>2</SB>)<SB>c</SB>O[CF(CF<SB>3</SB>)CF<SB>2</SB>O]<SB>b</SB>CF(CF<SB>3</SB>)CH<SB>2</SB>OH (R is H or methyl; a+b&le;30; c is 2 to 12; d is 0 to 4), and/or a di(meth)acrylate represented by the general formula [Ib]:CH<SB>2</SB>=CRCOO(CH<SB>2</SB>)<SB>d</SB>NHCOOCH<SB>2</SB>CF(CF<SB>3</SB>)[OCF<SB>2</SB>CF(CF<SB>3</SB>)]<SB>a</SB>O(CF<SB>2</SB>)<SB>c</SB>O[CF(CF<SB>3</SB>)CF<SB>2</SB>O]<SB>b</SB>CF(CF<SB>3</SB>)CH<SB>2</SB>OCONH(CH<SB>2</SB>)<SB>d</SB>OCOCR=CH<SB>2</SB>. The fluorine-containing polyether (meth)acrylate is produced by reacting a fluorine-containing polyetherdiol represented by the general formula [II]: HOCH<SB>2</SB>CF(CF<SB>3</SB>)[OCF<SB>2</SB>CF(CF<SB>3</SB>)]<SB>a</SB>O(CF<SB>2</SB>)<SB>c</SB>O[CF(CF<SB>3</SB>)CF<SB>2</SB>O]<SB>b</SB>CF(CF<SB>3</SB>)CH<SB>2</SB>OH with an isocyanuric group-containing (meth)acrylate. <P>COPYRIGHT: (C)2008,JPO&amp;INPIT

Description

本発明は、含フッ素ポリエーテル(メタ)アクリレートおよびその製造法に関する。さらに詳しくは、柔軟性を有する含フッ素ポリエーテルから導かれる(メタ)アクリレートおよびその製造法に関する。   The present invention relates to a fluorine-containing polyether (meth) acrylate and a method for producing the same. More specifically, the present invention relates to a (meth) acrylate derived from a flexible fluorine-containing polyether and a method for producing the same.

含フッ素ポリエーテルの末端水酸基を(メタ)アクリレート化しようとした場合、一般には(メタ)アクリル酸クロライドをアミン等の塩基触媒の存在下で反応させるか、あるいは(メタ)アクリル酸を脱水触媒の存在下で脱水縮合反応させる方法などが用いられている。しかしながら、いずれの反応の場合においても、反応において生じる塩化水素のトラップ剤や脱水触媒などの補助材が必要となるばかりではなく、必ず反応の場を形成する溶媒が必要となり、溶媒の除去といった反応工程が増加することとなる。このような工程は、コスト面ばかりではなく、溶媒の廃棄や揮散といった環境面からみても好ましくないといえる。
特公昭６３−４２９５４号公報 特許第２，５６３，９５９号公報 When the terminal hydroxyl group of a fluorine-containing polyether is to be (meth) acrylated, in general, (meth) acrylic acid chloride is reacted in the presence of a base catalyst such as amine, or (meth) acrylic acid is used as a dehydration catalyst. A method of dehydrating condensation reaction in the presence is used. However, in any of the reactions, not only an auxiliary material such as a hydrogen chloride trapping agent and a dehydration catalyst generated in the reaction is required, but a solvent that always forms a reaction field is required, and a reaction such as removal of the solvent is required. The process will increase. Such a process is not preferable from the viewpoint of not only cost but also environmental aspects such as solvent disposal and volatilization.
Japanese Patent Publication No. 63-42954 Japanese Patent No. 2,563,959

また、対応する含フッ素ポリエーテルの末端フロライド化合物に2-ヒドロキシエチルアクリレートやペンタエリスリトールトリアクリレートなどの水酸基含有アクリレートを反応させ、同様の含フッ素ポリエーテルアクリレートを合成する方法も提案されているが、この場合にも同様の好ましくない面がみられる。
特開２００２−６９０３７号公報 Further, a method of synthesizing a similar fluorine-containing polyether acrylate by reacting a terminal fluorine compound of the corresponding fluorine-containing polyether with a hydroxyl group-containing acrylate such as 2-hydroxyethyl acrylate or pentaerythritol triacrylate has been proposed. In this case, the same unfavorable aspect is observed.
JP 2002-69037 A

さらに、含フッ素ポリエーテル構造ではなく、フルオロアルキルジオールに対してイソシアナトアルキル(メタ)アクリレートを反応させることも提案されているが、この場合には原料フルオロアルキルジオールが剛直なアルキル基を有するが故に、それをポリマー化する場合に溶媒への溶解性が劣るなど、使用範囲が限定されるという面がみられる。
特開平１０−１８２５８５号公報 Furthermore, it is also proposed to react an isocyanatoalkyl (meth) acrylate with a fluoroalkyldiol instead of a fluorine-containing polyether structure. In this case, the raw material fluoroalkyldiol has a rigid alkyl group. Therefore, in the case of polymerizing it, the use range is limited such as poor solubility in a solvent.
Japanese Patent Laid-Open No. 10-182585

本発明の目的は、柔軟性を有する含フッ素ポリエーテルから導かれる(メタ)アクリレートおよびその製造法を提供することにある。   An object of the present invention is to provide a (meth) acrylate derived from a fluorinated polyether having flexibility and a method for producing the same.

本発明によって、一般式 CH2=CRCOO(CH2)dNHCOOCH2CF(CF3)〔OCF2CF(CF3)〕aO(CF2)cO〔CF(CF3)CF2O〕bCF(CF3)CH2OR′〔I〕(ここで、Rは水素原子またはメチル基であり、R′は水素原子または-CONH(CH 2 ) d OCOCR=CH 2 基であり、a+bは30以下の整数であって、分布を有していてもよく、cは2〜12の整数であり、dは0〜4の整数である)で表わされるモノまたはジ(メタ）アクリレートよりなる含フッ素ポリエーテル(メタ)アクリレートが提供される。ここで、(メタ)アクリレートは、アクリレートまたはメタアクリレートを指している。 According to the present invention, the general formula CH 2 = CRCOO (CH 2 ) d NHCOOCH 2 CF (CF 3 ) [OCF 2 CF (CF 3 )] a O (CF 2 ) c O [CF (CF 3 ) CF 2 O] b CF (CF 3 ) CH 2 O R ′ [I] (where R is a hydrogen atom or methyl group, R ′ is a hydrogen atom or —CONH (CH 2 ) d OCOCR═CH 2 group, a + b is a 30 an integer, may have a distribution, c is an integer from 2 to 12, d is from mono- or di (meth) acrylate represented by a is) integer of 0 to 4 A fluorine-containing polyether (meth) acrylate is provided. Here, (meth) acrylate refers to acrylate or methacrylate.

かかる含フッ素ポリエーテル(メタ)アクリレートは、一般式HOCH2CF(CF3)〔OCF2CF(CF3)〕aO(CF2)cO〔CF(CF3)CF2O〕bCF(CF3)CH2OH〔II〕で表わされる含フッ素ポリエーテルジオールとイソシアナトアルキル(メタ)アクリレートとを反応させることによって製造される。 Such fluorine-containing polyether (meth) acrylates have the general formula HOCH 2 CF (CF 3 ) [OCF 2 CF (CF 3 )] a O (CF 2 ) c O [CF (CF 3 ) CF 2 O] b CF ( It is produced by reacting a fluorine-containing polyether diol represented by CF 3 ) CH 2 OH [II] with an isocyanatoalkyl (meth) acrylate.

本発明に係る新規な含フッ素ポリエーテル(メタ)アクリレートは、分子中に多数のフッ素原子を有するので、化学的安定性および熱的安定性にすぐれ、しかも良好な光学特性や界面活性特性をも有するので、モニタ等の反射防止膜、光ファイバ等のクラッド剤あるいはコーティング剤用途の重合体(単独重合体または共重合体)を形成し得る含フッ素モノマーとして有効に用いられる。また、これから得られた重合体、好ましくはジ(メタ)アクリレートから得られた重合体は、従来の含フッ素重合体は柔らかく、また傷が付き易いなどの点で実用性に耐えないといった面がみられたが、こうした欠点をも改善させる。 Since the novel fluorine-containing polyether (meth) acrylate according to the present invention has a large number of fluorine atoms in the molecule, it has excellent chemical stability and thermal stability, and also has good optical properties and surface active properties. Therefore, it is effectively used as a fluorine-containing monomer capable of forming a polymer (homopolymer or copolymer) for use in an antireflection film such as a monitor, a clad agent such as an optical fiber, or a coating agent. Further, from which the resulting polymer, preferably di (meth) obtained from acrylate polymers, conventional fluoropolymer is soft and also has a surface such unsuitable for practical use in terms of factors such scratches Although it was seen, it also improves these shortcomings .

一般式(R：H)
CH 2 =CRCOO(CH 2 ) d NHCOOCH 2 CF(CF 3 )〔OCF 2 CF(CF 3 )〕 a O(CF 2 ) c O
〔CF(CF 3 )CF 2 O〕 b CF(CF 3 )CH 2 OH 〔Ia〕
で表わされるモノ(メタ）アクリレートまたは一般式(R：CONH(CH 2 ) d OCOCR=CH 2 )
CH 2 =CRCOO(CH 2 ) d NHCOOCH 2 CF(CF 3 )〔OCF 2 CF(CF 3 )〕 a O(CF 2 ) c O
〔CF(CF 3 )CF 2 O〕 b CF(CF 3 )CH 2 OCONH(CH 2 ) d OCOCR=CH 2 〔Ib〕
で表わされるジ(メタ）アクリレートよりなる含フッ素ポリエーテル(メタ)アクリレートの出発原料となる、一般式〔II〕で示される含フッ素ポリエーテルジオールは、対応するカルボン酸エステルをエタノール等の溶媒の存在下で、水素化リチウム、水素化ホウ素ナトリウム等で還元することにより容易に得られる。なお、このカルボン酸エステルは、対応するカルボン酸フロライドをメタノール等のアルコールおよびNaF等の触媒の存在下でエステル化反応させることにより得られる。かかる含フッ素ポリエーテルジオールは、特許文献５などにより公知であり、a+bの値が0〜30、好ましくは0〜20であり、それはa+bの値に関して分布を有する混合物であってもよく、cの値が2〜12、好ましくは2〜6であると規定されているのは、特許文献５の記載に基づいている。
FOCRfCOF → H3COOCRfCOOCH3 → HOCH2RfCH2OH
Rf：C(CF3)〔OCF2CF(CF3)〕aO(CF2)cO〔CF(CF3)CF2O〕bCF(CF3)
ＵＳＰ３，５７４，７７０ General formula (R: H)
CH 2 = CRCOO (CH 2 ) d NHCOOCH 2 CF (CF 3 ) (OCF 2 CF (CF 3 )) a O (CF 2 ) c O
[CF (CF 3 ) CF 2 O] b CF (CF 3 ) CH 2 OH [Ia]
Or a general formula (R: CONH (CH 2 ) d OCOCR = CH 2 )
CH 2 = CRCOO (CH 2 ) d NHCOOCH 2 CF (CF 3 ) (OCF 2 CF (CF 3 )) a O (CF 2 ) c O
(CF (CF 3 ) CF 2 O) b CF (CF 3 ) CH 2 OCONH (CH 2 ) d OCOCR = CH 2 (Ib)
The fluorine- containing polyether diol represented by the general formula [II], which is a starting material for the fluorine-containing polyether (meth) acrylate consisting of di (meth) acrylate represented by It can be easily obtained by reduction with lithium hydride, sodium borohydride or the like in the presence. This carboxylic acid ester can be obtained by esterifying the corresponding carboxylic acid fluoride in the presence of an alcohol such as methanol and a catalyst such as NaF. Such a fluorinated polyether diol is known from Patent Document 5, etc., and the value of a + b is 0 to 30, preferably 0 to 20, even if it is a mixture having a distribution with respect to the value of a + b. The fact that the value of c is defined as 2 to 12, preferably 2 to 6, is based on the description in Patent Document 5.
FOCR COF → H 3 COO CR COOCH 3 → HOCH 2 RfCH 2 OH
Rf: C (CF 3 ) [OCF 2 CF (CF 3 )] a O (CF 2 ) c O [CF (CF 3 ) CF 2 O] b CF (CF 3 )
USP 3,574,770

これらの含フッ素ポリエーテルジオールと反応するイソシアナトアルキル(メタ)アクリレート化合物としては、イソシアナトメチル(メタ)アクリレート、イソシアナトエチル(メタ)アクリレート、イソシアナトプロピル(メタ)アクリレート、イソシアナトブチル(メタ)アクリレート等が用いられるが、供給性の点からは市販品である昭和電工製品カレンズAOI(CH2=CHCOOCH2CH2NCO)または同社製品カレンズMOI(CH2=C(CH3)COOCH2CH2NCO)が好んで用いられる。 Isocyanatoalkyl (meth) acrylate compounds that react with these fluorine-containing polyether diols include isocyanatomethyl (meth) acrylate, isocyanatoethyl (meth) acrylate, isocyanatopropyl (meth) acrylate, isocyanatobutyl (meth) acrylate, etc. However, from the standpoint of supply, the commercial product Karenz AOI (CH 2 = CHCOOCH 2 CH 2 NCO) or the company's product Karenz MOI (CH 2 = C (CH 3 ) COOCH 2 CH 2 NCO) is preferred. Used.

イソシアナトアルキル(メタ)アクリレート化合物は、含フッ素ポリエーテルジオールに対して約2倍モル程度使用され、好ましくは1.96〜2.02倍モル使用され、ジ(メタ)アクリレートを形成させる。等モル量程度使用された場合には、モノ(メタ)アクリレートを形成させる。ただし、基材との密着性を向上させるために、意図的に水酸基を残す場合には2倍モル以下の量が使用されることもあり、この場合には約1.2〜1.5倍モル程度使用される。この場合には、ジ(メタ)アクリレートとモノ(メタ)アクリレートとの混合物を形成させる。 The isocyanatoalkyl (meth) acrylate compound is used in an amount of about 2 moles, preferably 1.96 to 2.02 moles, to form di (meth) acrylate with respect to the fluorine-containing polyether diol. When an equimolar amount is used, mono (meth) acrylate is formed. However, in order to improve the adhesion with the substrate, when intentionally leaving a hydroxyl group, an amount of 2 mol or less may be used. In this case, about 1.2 to 1.5 mol is used. The In this case, a mixture of di (meth) acrylate and mono (meth) acrylate is formed.

反応は、溶媒の存在下または不存在下のいずれでも実施することができるが、経済性や環境を考慮した場合には、溶媒不存在下での反応が好ましい。反応温度は、特に制限されないが、制御のし易さ、反応系中での望ましくない重合を抑制するためには室温乃至約60℃程度が好ましく、反応性の点からは特に好ましくは約40〜50℃で反応が行われる。   The reaction can be carried out in the presence or absence of a solvent, but in view of economy and environment, the reaction in the absence of a solvent is preferable. The reaction temperature is not particularly limited, but is preferably about room temperature to about 60 ° C. in order to easily control and suppress undesirable polymerization in the reaction system, and from the viewpoint of reactivity, it is particularly preferably about 40 to The reaction is carried out at 50 ° C.

反応を円滑に進めるために、ジブチル錫ジラウリレート等の有機金属触媒や1,8-ジアザビシクロ〔5.4.0〕ウンデカ-7-エン等のアミン系触媒を用いることもできる。   In order to facilitate the reaction, an organometallic catalyst such as dibutyltin dilaurate or an amine catalyst such as 1,8-diazabicyclo [5.4.0] undec-7-ene can be used.

このようにして合成される含フッ素ポリエーテルジ(メタ)アクリレート〔Ib〕としては、次のような化合物が例示される。
CH2=CHCOO(CH2)2NHCOOCH2CF(CF3)O(CF2)2OCF(CF3)CH2O
CONH(CH2)2OCOCH=CH2
CH2=C(CH3)COO(CH2)2NHCOOCH2CF(CF3)O(CF2)2OCF(CF3)CH2O
CONH(CH2)2OCOC(CH3)=CH2
CH2=CHCOO(CH2)2NHCOOCH2CF(CF3)OCF2CF(CF3)O(CF2)2O
CF(CF3)CF2OCF(CF3)CH2OCONH(CH2)2OCOCH=CH2
CH2=C(CH3)COO(CH2)2NHCOOCH2CF(CF3)OCF2CF(CF3)O(CF2)2O
CF(CF3)CF2OCF(CF3)CH2OCONH(CH2)2OCOC(CH3)=CH2
CH2=CHCOO(CH2)2NHCOOCH2CF(CF3)OCF2CF(CF3)O(CF2)2O
〔CF(CF3)CF2O〕2CF(CF3)OCONH(CH2)2OCOCH=CH2
CH2=C(CH3)COO(CH2)2NHCOOCH2CF(CF3)OCF2CF(CF3)O(CF2)2O
〔CF(CF3)CF2O〕2CF(CF3)OCONH(CH2)2OCOC(CH3)=CH2 Examples of the fluorine-containing polyether di (meth) acrylate [Ib] synthesized in this way include the following compounds.
CH 2 = CHCOO (CH 2 ) 2 NHCOOCH 2 CF (CF 3 ) O (CF 2 ) 2 OCF (CF 3 ) CH 2 O
CONH (CH 2 ) 2 OCOCH = CH 2
CH 2 = C (CH 3 ) COO (CH 2 ) 2 NHCOOCH 2 CF (CF 3 ) O (CF 2 ) 2 OCF (CF 3 ) CH 2 O
CONH (CH 2 ) 2 OCOC (CH 3 ) = CH 2
CH 2 = CHCOO (CH 2 ) 2 NHCOOCH 2 CF (CF 3 ) OCF 2 CF (CF 3 ) O (CF 2 ) 2 O
CF (CF 3 ) CF 2 OCF (CF 3 ) CH 2 OCONH (CH 2 ) 2 OCOCH = CH 2
CH 2 = C (CH 3 ) COO (CH 2 ) 2 NHCOOCH 2 CF (CF 3 ) OCF 2 CF (CF 3 ) O (CF 2 ) 2 O
CF (CF 3 ) CF 2 OCF (CF 3 ) CH 2 OCONH (CH 2 ) 2 OCOC (CH 3 ) = CH 2
CH 2 = CHCOO (CH 2 ) 2 NHCOOCH 2 CF (CF 3 ) OCF 2 CF (CF 3 ) O (CF 2 ) 2 O
[CF (CF 3 ) CF 2 O] 2 CF (CF 3 ) OCONH (CH 2 ) 2 OCOCH = CH 2
CH 2 = C (CH 3 ) COO (CH 2 ) 2 NHCOOCH 2 CF (CF 3 ) OCF 2 CF (CF 3 ) O (CF 2 ) 2 O
[CF (CF 3 ) CF 2 O] 2 CF (CF 3 ) OCONH (CH 2 ) 2 OCOC (CH 3 ) = CH 2

また、反応させるイソシアナトアルキル(メタ)アクリレート化合物量を調整することによって、次のような含フッ素ポリエーテルモノ(メタ)アクリレート〔Ia〕が、単独であるいは上記含フッ素ポリエーテルジ(メタ)アクリレート〔Ib〕との混合物として得られる。
CH2=CHCOO(CH2)2NHCOOCH2CF(CF3)O(CF2)2OCF(CF3)CH2OH
CH2=C(CH3)COO(CH2)2NHCOOCH2CF(CF3)O(CF2)2OCF(CF3)CH2OH
CH2=CHCOO(CH2)2NHCOOCH2CF(CF3)OCF2CF(CF3)O(CF2)2O
CF(CF3)CF2OCF(CF3)CH2OH
CH2=C(CH3)COO(CH2)2NHCOOCH2CF(CF3)OCF2CF(CF3)O(CF2)2O
CF(CF3)CF2OCF(CF3)CH2OH
CH2=CHCOO(CH2)2NHCOOCH2CF(CF3)OCF2CF(CF3)O(CF2)2O
〔CF(CF3)CF2O〕2CF(CF3)OH
CH2=C(CH3)COO(CH2)2NHCOOCH2CF(CF3)OCF2CF(CF3)O(CF2)2O
〔CF(CF3)CF2O〕2CF(CF3)OH Further, by adjusting the amount of the isocyanatoalkyl (meth) acrylate compound to be reacted, the following fluorine-containing polyether mono (meth) acrylate [Ia] can be used alone or the fluorine-containing polyether di (meth) acrylate [Ib] As a mixture.
CH 2 = CHCOO (CH 2 ) 2 NHCOOCH 2 CF (CF 3 ) O (CF 2 ) 2 OCF (CF 3 ) CH 2 OH
CH 2 = C (CH 3 ) COO (CH 2 ) 2 NHCOOCH 2 CF (CF 3 ) O (CF 2 ) 2 OCF (CF 3 ) CH 2 OH
CH 2 = CHCOO (CH 2 ) 2 NHCOOCH 2 CF (CF 3 ) OCF 2 CF (CF 3 ) O (CF 2 ) 2 O
CF (CF 3 ) CF 2 OCF (CF 3 ) CH 2 OH
CH 2 = C (CH 3 ) COO (CH 2 ) 2 NHCOOCH 2 CF (CF 3 ) OCF 2 CF (CF 3 ) O (CF 2 ) 2 O
CF (CF 3 ) CF 2 OCF (CF 3 ) CH 2 OH
CH 2 = CHCOO (CH 2 ) 2 NHCOOCH 2 CF (CF 3 ) OCF 2 CF (CF 3 ) O (CF 2 ) 2 O
[CF (CF 3 ) CF 2 O] 2 CF (CF 3 ) OH
CH 2 = C (CH 3 ) COO (CH 2 ) 2 NHCOOCH 2 CF (CF 3 ) OCF 2 CF (CF 3 ) O (CF 2 ) 2 O
[CF (CF 3 ) CF 2 O] 2 CF (CF 3 ) OH

次に、実施例について本発明を説明する。   Next, the present invention will be described with reference to examples.

実施例１
窒素雰囲気下、次式で示される含フッ素ポリエーテルジオール(98F-NMR%)
HOCH2CF(CF3)〔OCF2CF(CF3)〕aO(CF2)cO〔CF(CF3)CF2O〕bCF(CF3)CH2OH
a+b：5(NMRから算出される数平均重合度)
c：2
41.1g(45.1ミリモル)にジブチル錫ジラウリレート0.06gを加え、40℃に加温した。そこに、攪拌しながらイソシアナトエチルメタクリレート(カレンズMOI)3.48g(22.4ミリモル)を滴下し、3時間この温度を保ちながら攪拌を行った。赤外線吸収スペクトルでイソシアネート基のシグナルが消失していることを確認し、反応の終点とした。43.2g(反応率96.7％)の相当するモノ(エチルメタクリレート)が得られ、赤外線吸収スペクトルからの算出で、残存イソシアネート基は0.2％以下であることを確認した。 Example 1
Under nitrogen atmosphere, fluorine-containing polyether diol represented by the following formula (98F-NMR%)
HOCH 2 CF (CF 3 ) [OCF 2 CF (CF 3 )] a O (CF 2 ) c O [CF (CF 3 ) CF 2 O] b CF (CF 3 ) CH 2 OH
a + b: 5 (number average degree of polymerization calculated from NMR)
c: 2
To 41.1 g (45.1 mmol), 0.06 g of dibutyltin dilaurate was added and heated to 40 ° C. Thereto, 3.48 g (22.4 mmol) of isocyanatoethyl methacrylate (Karenz MOI) was added dropwise with stirring, and the mixture was stirred for 3 hours while maintaining this temperature. Confirmed that a signal of isocyanate sulfonate group has disappeared in the infrared absorption spectrum was the end point of the reaction. Mono (methacrylate) is obtained corresponding to 43.2 g (reaction rate 96.7%), with the calculated from the infrared absorption spectrum, the residual isocyanate sulfonate groups was confirmed to be 0.2% or less.

F-NMR(アセトン-d6、CFCl3)
-143.9ppm ；-CF(CF3)CF2O-
-134.1〜-133.6ppm；-CF(CF3)CH2OH
-133.4〜-132.7ppm；-CF(CF3)CH2OC(O)-
-85.4〜-84.0ppm ；-CF(CF3)CF 2 O-
-81.8〜-78.0ppm ；-OCF 2 CF 2 O-
H-NMR(アセトン-d6、TMS)
1.95ppm；-CH 3 (s)
3.50ppm；-HNCH 2 -(q)
4.22ppm；-CH 2 C(O)(t)
4.84ppm；-CH 2 O(dt)
5.61ppm；trans-C(CH3)=CH 2 (s)
6.08ppm；cis-C(CH3)=CH 2 (s)
7.00ppm；-NH-(br) F-NMR (acetone-d6, CFCl 3 )
-143.9ppm ； -C F (CF 3 ) CF 2 O-
-134.1 to -133.6 ppm; -C F (CF 3 ) CH 2 OH
-133.4 to -132.7ppm; -C F (CF 3 ) CH 2 OC (O)-
-85.4 to -84.0ppm; -C F (CF 3 ) C F 2 O-
-81.8 to -78.0ppm; -OC F 2 C F 2 O-
H-NMR (acetone-d6, TMS)
1.95ppm; -C H 3 (s)
3.50ppm; -HNC H 2- (q)
4.22ppm; -C H 2 C (O) (t)
4.84ppm; -C H 2 O (dt)
5.61ppm; trans-C (CH 3 ) = C H 2 (s)
6.08ppm; cis-C (CH 3 ) = C H 2 (s)
7.00ppm; -N H- (br)

実施例２
窒素雰囲気下、次式で示される含フッ素ポリエーテルジオール(97F-NMR%)
HOCH2CF(CF3)〔OCF2CF(CF3)〕aO(CF2)cO〔CF(CF3)CF2O〕bCF(CF3)CH2OH
a+b：8(NMRから算出される数平均重合度であって、5〜9の 分布を有する)
c：2
40.0g(26.6ミリモル)にジブチル錫ジラウリレート0.05gを加え、40℃に加温した。そこに、攪拌しながらイソシアナトエチルメタクリレート(カレンズMOI)8.24g(53.1ミリモル)を滴下し、3時間この温度を保ちながら攪拌を行った。赤外線吸収スペクトルでイソシアネート基のシグナルが消失していることを確認し、反応の終点とした。47.2g(反応率97.8％)の相当するジ(エチルメタクリレート)が得られ、赤外線吸収スペクトルからの算出で、残存イソシアネート基は0.2％以下であることを確認した。 Example 2
Under nitrogen atmosphere, fluorine-containing polyether diol represented by the following formula (97F-NMR%)
HOCH 2 CF (CF 3 ) [OCF 2 CF (CF 3 )] a O (CF 2 ) c O [CF (CF 3 ) CF 2 O] b CF (CF 3 ) CH 2 OH
a + b: 8 (number average degree of polymerization calculated from NMR, having a distribution of 5 to 9)
c: 2
To 40.0 g (26.6 mmol), 0.05 g of dibutyltin dilaurate was added and heated to 40 ° C. Thereto was added dropwise 8.24 g (53.1 mmol) of isocyanatoethyl methacrylate (Karenz MOI) while stirring, and the mixture was stirred for 3 hours while maintaining this temperature. Confirmed that a signal of isocyanate sulfonate group has disappeared in the infrared absorption spectrum was the end point of the reaction. Di (ethyl methacrylate) is obtained corresponding to 47.2 g (reaction rate 97.8%), with the calculated from the infrared absorption spectrum, the residual isocyanate sulfonate groups was confirmed to be 0.2% or less.

F-NMR(アセトン-d6、CFCl3)
-143.9〜-143.6ppm；-CF(CF3)CF2O-(m)
-133.2〜-132.8ppm；-CF(CF3)CH2O-(m)
-85.5〜-84.1ppm ；CF(CF3)CF 2 O
-80.7〜-78.0ppm ；-OCF 2 CF 2 O-
H-NMR(アセトン-d6、TMS)
1.90ppm；-CH 3 (s)
3.50ppm；-HNCH 2 -(q)
4.19ppm；-CH 2 C(O)(t)
4.79ppm；-CH 2 O(dt)
5.60ppm；trans-C(CH3)=CH 2 (s)
6.08ppm；cis-C(CH3)=CH 2 (s)
7.00ppm；-NH-(br)

F-NMR (acetone-d6, CFCl 3 )
-143.9 to -143.6ppm; -C F (CF 3 ) CF 2 O- (m)
-133.2 to -132.8ppm; -C F (CF 3 ) CH 2 O- (m)
-85.5 to -84.1ppm; C F (CF 3 ) C F 2 O
-80.7 to -78.0ppm; -OC F 2 C F 2 O-
H-NMR (acetone-d6, TMS)
1.90ppm; -C H 3 (s)
3.50ppm; -HNC H 2- (q)
4.19ppm; -C H 2 C (O) (t)
4.79ppm; -C H 2 O (dt)
5.60ppm; trans-C (CH 3 ) = C H 2 (s)
6.08ppm; cis-C (CH 3 ) = C H 2 (s)
7.00ppm; -N H- (br)

Claims (2)

一般式
CH2=CRCOO(CH2)dNHCOOCH2CF(CF3)〔OCF2CF(CF3)〕aO(CF2)cO
〔CF(CF3)CF2O〕bCF(CF3)CH2OR′ 〔I〕
(ここで、Rは水素原子またはメチル基であり、R′は水素原子または-CONH(CH 2 ) d OCOCR=CH 2 基であり、a+bは30以下の整数であって、分布を有していてもよく、cは2〜12の整数であり、dは0〜4の整数である)で表わされるモノまたはジ(メタ）アクリレートよりなる含フッ素ポリエーテル(メタ)アクリレート。 General formula
CH 2 = CRCOO (CH 2 ) d NHCOOCH 2 CF (CF 3 ) (OCF 2 CF (CF 3 )) a O (CF 2 ) c O
[CF (CF 3 ) CF 2 O] b CF (CF 3 ) CH 2 O R ′ (I)
(Where R is a hydrogen atom or methyl group, R ′ is a hydrogen atom or —CONH (CH 2 ) d OCOCR═CH 2 group, and a + b is an integer of 30 or less and has a distribution. And c is an integer of 2 to 12 and d is an integer of 0 to 4) , and a fluorine-containing polyether (meth) acrylate comprising mono or di (meth) acrylate. 一般式
HOCH2CF(CF3)〔OCF2CF(CF3)〕aO(CF2)cO〔CF(CF3)CF2O〕bCF(CF3)CH2OH 〔II〕
(ここで、a+bは30以下の整数であって、分布を有していてもよく、cは2〜12の整数である)で表わされる含フッ素ポリエーテルジオールとイソシアナトアルキル(メタ)アクリレート化合物とを反応させることを特徴とする請求項１記載の含フッ素ポリエーテル(メタ)アクリレートの製造法。 General formula
HOCH 2 CF (CF 3 ) [OCF 2 CF (CF 3 )] a O (CF 2 ) c O [CF (CF 3 ) CF 2 O] b CF (CF 3 ) CH 2 OH [II]
(Wherein a + b is an integer of 30 or less and may have a distribution, c is an integer of 2 to 12) and isocyanatoalkyl (meth) acrylate The method for producing a fluorine-containing polyether (meth) acrylate according to claim 1, wherein the compound is reacted with the compound.
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