JP2020527177A - 架橋性電気活性フッ素化ポリマー - Google Patents
架橋性電気活性フッ素化ポリマー Download PDFInfo
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- JP2020527177A JP2020527177A JP2019568385A JP2019568385A JP2020527177A JP 2020527177 A JP2020527177 A JP 2020527177A JP 2019568385 A JP2019568385 A JP 2019568385A JP 2019568385 A JP2019568385 A JP 2019568385A JP 2020527177 A JP2020527177 A JP 2020527177A
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- 229920002313 fluoropolymer Polymers 0.000 title description 28
- 229920001577 copolymer Polymers 0.000 claims abstract description 86
- 239000000178 monomer Substances 0.000 claims abstract description 76
- MIZLGWKEZAPEFJ-UHFFFAOYSA-N 1,1,2-trifluoroethene Chemical group FC=C(F)F MIZLGWKEZAPEFJ-UHFFFAOYSA-N 0.000 claims abstract description 46
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 claims abstract description 39
- IVRMZWNICZWHMI-UHFFFAOYSA-N azide group Chemical group [N-]=[N+]=[N-] IVRMZWNICZWHMI-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 19
- 229910052740 iodine Inorganic materials 0.000 claims abstract description 18
- 125000001309 chloro group Chemical group Cl* 0.000 claims abstract description 11
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims abstract description 10
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229920000642 polymer Polymers 0.000 claims description 106
- 239000000203 mixture Substances 0.000 claims description 59
- 238000000034 method Methods 0.000 claims description 38
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 36
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- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 24
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- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 21
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 21
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 claims description 17
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- PXIPVTKHYLBLMZ-UHFFFAOYSA-N Sodium azide Chemical compound [Na+].[N-]=[N+]=[N-] PXIPVTKHYLBLMZ-UHFFFAOYSA-N 0.000 claims description 16
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Classifications
-
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Abstract
Description
−フッ化ビニリデンモノマー及び/又はトリフルオロエチレンモノマーから得られる単位と、前記フルオロモノマーXから得られる単位とを含む開始コポリマーを供給することと、
−アジド基を含む化合物に開始コポリマーを接触させることと
を含む。
−フッ化ビニリデンモノマー及び/又はトリフルオロエチレンモノマーから得られる単位、及び二重結合と塩素原子、臭素原子及びヨウ素原子から選択される脱離基とを含むフルオロモノマーX’から得られる単位を含む第1のコポリマーと、
−フッ化ビニリデンモノマー及び/又はトリフルオロエチレンモノマーから得られる単位、及び二重結合と塩素原子、臭素原子及びヨウ素原子から選択される脱離基とを含むフルオロモノマーXから得られる単位を含む第2のコポリマーであって、第2のコポリマー内の脱離基の一部又は全部がアジド基で置換されている第2のコポリマーと
を含む組成物に関する。
−第1のコポリマーを供給することと、
−第2のコポリマーを供給することと、
−第1のコポリマーと第2のコポリマーとを、好ましくは液体ビヒクル中で混合することと
を含む。
−フッ化ビニリデンモノマー及び/又はトリフルオロエチレンモノマーから得られる単位と、前記フルオロモノマーXから得られる単位とを含む開始コポリマーを供給することと、
−アジド基を含む化合物に開始コポリマーを接触させることと
を含む。
−上述したコポリマー又は上述した組成物を基板に塗布することと、
−コポリマー又は組成物を架橋することと
を含む。
本発明によれば、PFポリマーは、VDFモノマー及び/又はTrFEモノマーから得られる単位、並びに二重結合とCl、Br及びIから選択される脱離基とを含む少なくとも1種の他のフルオロモノマーXから得られる単位を含む。
PFポリマーは、乳化重合、懸濁重合及び溶液重合のようないずれかの公知の方法を用いて製造することができるが、WO2010/116105に記載された方法を使用することが好ましい。この方法により、分子量の大きいポリマー及び適切に構造化されたポリマーを得ることができる。
−VDF及び/又はTrFEのみを含有する(フルオロモノマーXが不在の)初期混合物を、水を含有する、撹拌中のオートクレーブに投入するステップと、
−前記オートクレーブを、重合温度に近い所定の温度に加熱するステップと、
−VDFモノマー及び/又はTrFEモノマーの懸濁物が水中に形成するように、オートクレーブ内部の圧力を、好ましくは、少なくとも80バールに到達させるために、前記オートクレーブ内部に水と混合したラジカル重合開始剤を注入するステップと、
−VDF及び/又はTrFE並びにX(及び、もしあれば、任意選択で追加のモノマー)の第2の混合物を前記オートクレーブに注入するステップと、
−重合反応が開始したら直ちに、前記圧力を本質的に一定のレベル、好ましくは、少なくとも80バールに維持するために、前記第2の混合物を前記オートクレーブ反応器に連続的に注入するステップと
を含む。
PFMポリマーは、アジド化合物との反応により、PFポリマーから製造することができる。
本発明によるフルオロポリマー膜は、1種以上のPFMポリマーのみ、又は少なくとも1種のPFポリマー及び少なくとも1種のPFMポリマーを基板に塗布することにより調製することができる。後者の場合、PFポリマーを製造するために使用される脱離基を含有するモノマーは、好ましくは、PFMポリマーを製造するために使用される脱離基を含有するモノマーとは同一である。
本発明による膜は、電子デバイス内の層として使用することができる。
使用される開始材料は、P(VDF−TrFE−CTFE)ターポリマーである。このターポリマーは、VDFから得られる単位を61.8モル%、TrFEから得られる単位を30.4モル%、CTFEから得られる単位を7.8モル%含有する。
−A:未改変の開始ターポリマー、
−B:0.1モル当量のNaN3を用いて改変したターポリマー、
−C:0.5モル当量のNaN3を用いて改変したターポリマー、
−D:10モル当量のNaN3を用いて改変したターポリマー
アジド官能基の原子価振動の特性吸収帯は、2150cm−1に観測され、鎖内のC=C二重結合の特性吸収帯は、1710cm−1に観測される。
CTFEから得られる単位7.8モル%を含有する未改変のP(VDF−TrFE−CTFE)ターポリマーと、CTFEから得られる単位12.7モル%を最初に含有し、実施例1と同じように0.5当量のNaN3を用いて改変した別のP(VDF−TrFE−CTFE)ターポリマーとを50:50の質量比で混合することにより、ブタン−2−オン中の7質量%の調合物を取得する。
−A:未架橋膜
−B:架橋後の膜
−C:架橋及び現像後の膜
に対して実施する。
実施例1の(0.5モル当量のNaN3を用いて得られる)改変ポリマーを用いて、このポリマーから膜を製造する。
Claims (23)
- フッ化ビニリデンモノマー及び/又はトリフルオロエチレンモノマーから得られる単位、及び、二重結合と塩素原子、臭素原子及びヨウ素原子から選択される脱離基とを含むフルオロモノマーXから得られる単位を含むコポリマーであって、前記脱離基が、前記コポリマー内においてアジド基で部分的に置換されている、コポリマー。
- 前記フルオロモノマーXが、クロロトリフルオロエチレン及びクロロフルオロエチレンから選択される、請求項1に記載のコポリマー。
- フッ化ビニリデンモノマーから得られる単位及びトリフルオロエチレンモノマーから得られる単位の両方を含み、トリフルオロエチレンモノマーから得られる単位の割合が、前記フッ化ビニリデンモノマーから得られる単位及び前記トリフルオロエチレンモノマーから得られる単位の合計に対して、好ましくは15〜55モル%である、請求項1又は2に記載のコポリマー。
- フルオロモノマーXから得られる単位の総量が、1〜20モル%、好ましくは2〜15モル%を構成する、請求項1〜3のいずれかに記載のコポリマー。
- コポリマー内のアジド基で置換された脱離基のモル割合が、5〜90%、好ましくは10〜75%、さらに好ましくは15〜40%である、請求項1〜4のいずれかに記載のコポリマー。
- 請求項1〜5のいずれかに記載のコポリマーを含む組成物であって、液体ビヒクル中の前記コポリマーの溶液又は分散体である、組成物。
- 請求項1〜5のいずれかに記載のコポリマーを調製するための方法であって、
−フッ化ビニリデンモノマー及び/又はトリフルオロエチレンモノマーから得られる単位と、前記フルオロモノマーXから得られる単位とを含む開始コポリマーを供給することと、
−アジド基を含む化合物に前記開始コポリマーを接触させることと
を含む方法。 - 前記アジド基を含む化合物がアジ化ナトリウムである、請求項7に記載の方法。
- 前記接触させることが、ジメチルホルムアミド;ジメチルアセトアミド;ジメチルスルホキシド;ケトン、特にアセトン、メチルエチルケトン、メチルイソブチルケトン及びシクロペンタノン;フラン、特にテトラヒドロフラン;エステル、特に酢酸メチル、酢酸エチル、酢酸プロピル、酢酸ブチル及びプロピレングリコールメチルエーテルアセテート;カーボネート、特に炭酸ジメチル;並びにホスフェート、特にリン酸トリエチルから好ましくは選択される溶媒中で実施される、請求項7又は8に記載の方法。
- −フッ化ビニリデンモノマー及び/又はトリフルオロエチレンモノマーから得られる単位、及び、二重結合と塩素原子、臭素原子及びヨウ素原子から選択される脱離基とを含むフルオロモノマーX’から得られる単位を含む第1のコポリマーと、
−フッ化ビニリデンモノマー及び/又はトリフルオロエチレンモノマーから得られる単位、及び、二重結合と塩素原子、臭素原子及びヨウ素原子から選択される脱離基とを含むフルオロモノマーXから得られる単位を含む第2のコポリマーであって、該第2のコポリマー内の前記脱離基の一部又は全部がアジド基で置換されている第2のコポリマーと
を含む組成物。 - 前記フルオロモノマーXが、クロロトリフルオロエチレン及びクロロフルオロエチレンから選択され、且つ/又は、前記フルオロモノマーX’が、クロロトリフルオロエチレン及びクロロフルオロエチレンから選択され、且つ、好ましくは、前記フルオロモノマーXと前記フルオロモノマーX’とが同一である、請求項10に記載の組成物。
- 前記第1のポリマーが、フッ化ビニリデンモノマーから得られる単位及びトリフルオロエチレンモノマーから得られる単位の両方を含み、トリフルオロエチレンモノマーから得られる単位の割合が、前記フッ化ビニリデンモノマーから得られる単位及び前記トリフルオロエチレンモノマーから得られる単位の合計に対して、好ましくは15〜55モル%であり、且つ/又は、前記第2のコポリマーが、フッ化ビニリデンモノマーから得られる単位及びトリフルオロエチレンモノマーから得られる単位の両方を含み、トリフルオロエチレンモノマーから得られる単位の割合が、前記フッ化ビニリデンモノマーから得られる単位及び前記トリフルオロエチレンモノマーから得られる単位の合計に対して、好ましくは15〜55モル%である、請求項10又は11に記載の組成物。
- 前記第1のコポリマーが、1〜20モル%、好ましくは2〜15モル%のフルオロモノマーXから得られる単位の総量を含み、且つ/又は、前記第2のコポリマーが、1〜20モル%、好ましくは2〜15モル%のフルオロモノマーX’から得られる単位の総量を含む、請求項10〜12のいずれかに記載の組成物。
- 5〜95重量%の前記第1のコポリマー及び5〜95重量%の前記第2のコポリマー、好ましくは30〜70重量%の前記第1のコポリマー及び30〜70重量%の前記第2のコポリマーを含む(ただし、前記分量は、前記第1のコポリマー及び前記第2のコポリマーの合計に対して表されている)、請求項10〜13のいずれかに記載の組成物。
- 液体ビヒクル中の前記第1のコポリマー及び前記第2のコポリマーの溶液又は分散体である、請求項10〜14のいずれかに記載の組成物。
- 請求項10〜15のいずれかに記載の組成物を製造するための方法であって、
−前記第1のコポリマーを供給することと、
−前記第2のコポリマーを供給することと、
−前記第1のコポリマーと前記第2のコポリマーとを、好ましくは液体ビヒクル中で混合することと
を含む方法。 - 前記第2のコポリマーを供給することが、この第2のコポリマーを調製することを含み、
当該第2のコポリマーを調製することが、
−フッ化ビニリデンモノマー及び/又はトリフルオロエチレンモノマーから得られる単位と前記フルオロモノマーXから得られる単位とを含む開始コポリマーを供給することと、
−アジド基を含む化合物に前記開始コポリマーを接触させることと
を含む、請求項16に記載の方法。 - 前記アジド基を含む化合物がアジ化ナトリウムである、請求項17に記載の方法。
- 前記接触させることが、ジメチルホルムアミド;ジメチルアセトアミド;ジメチルスルホキシド;ケトン、特にアセトン、メチルエチルケトン、メチルイソブチルケトン及びシクロペンタノン;フラン、特にテトラヒドロフラン;エステル、特に酢酸メチル、酢酸エチル、酢酸プロピル、酢酸ブチル及びプロピレングリコールメチルエーテルアセテート;カーボネート、特に炭酸ジメチル;並びにホスフェート、特にリン酸トリエチルから好ましくは選択される溶媒中で実施される、請求項17又は18に記載の方法。
- 膜を製造するための方法であって、
−請求項1〜5のいずれかに記載のコポリマー又は請求項6及び10〜15のいずれかに記載の組成物を基板に塗布することと、
−前記コポリマー又は前記組成物を架橋することと
を含む、方法。 - 前記架橋が、所定のパターンに従って実施され、前記方法が、溶媒と接触させることによる、コポリマー又は組成物の架橋されなかった部分の除去を続けて含む、請求項20に記載の方法。
- 請求項20又は21に記載の方法によって得られる膜。
- 請求項22に記載の膜を備える電子デバイスであって、電界効果トランジスタ、メモリデバイス、コンデンサ、センサ、アクチュエータ、微小電気機械システム及びハプティックデバイスから好ましくは選択される、電子デバイス。
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