JP2008007759A5 - - Google Patents

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JP2008007759A5
JP2008007759A5 JP2007141543A JP2007141543A JP2008007759A5 JP 2008007759 A5 JP2008007759 A5 JP 2008007759A5 JP 2007141543 A JP2007141543 A JP 2007141543A JP 2007141543 A JP2007141543 A JP 2007141543A JP 2008007759 A5 JP2008007759 A5 JP 2008007759A5
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実施例2[ブロック共重合体cの製造]
共沸蒸留装置を備えたフラスコに、アルゴン雰囲気下、4,4’−ジフルオロジフェニルケトン−3,3’−ジスルホン酸ジカリウム4.78g(10.51mmol)、2,5−ジヒドロキシベンゼンスルホン酸カリウム2.00g(8.76mmol)炭酸カリウム1.51g(10.93mmol)を加え、DMSO30mLおよびトルエン30mLを添加した。その後バス温150℃で2時間トルエンを加熱留去することで系内の水分を共沸脱水し、その後4時間保温攪拌することで、親水性ポリマーを得た。得られた親水性ポリマーのGPC法(条件A)による重量平均分子量は42000であり、構造単位から計算されるイオン交換基密度は5.7meq/gであった。
また別途、共沸蒸留装置を備えたフラスコに、アルゴン雰囲気下、4,4’−ジヒドロキシ−3,3’−ジフェニルビフェニル6.12g(18.09mmol)、4,4’−ジフルオロジフェニルスルホン4.15(1631mmol)炭酸カリウム2.60g(18.81mmol)を加え、DMSO45mLおよびトルエン30mLを添加した。
その後バス温150℃でトルエンを加熱留去することで系内の水分を共沸脱水し、その後8時間保温攪拌することで、疎水性ポリマーを得た。得られた疎水性ポリマーのGPC法(条件A)による重量平均分子量は24000であった。
続いて、反応液を室温まで十分に放冷した後、親水性ポリマーの反応溶液を疎水性ポリマーの反応溶液に滴下して、親水性ポリマーの反応マスをDMSO20mLで十分に共洗いして仕込み、その後内温150℃にて6時間保温攪拌した。反応液を放冷した後、大量の塩酸水に滴下し、生成した沈殿物を濾過回収した。さらに洗液が中性になるまで水で洗浄濾過を繰返した後、80℃の熱水で洗浄処理して濾過した。次いで80℃にて常圧乾燥し、13.71gの下記に示す構造のブロック共重合体cを得た。得られたブロック共重合体のGPC法(条件A)による重量平均分子量は175000であった。
高分子電解質膜への製膜方法は実施例1と同様な溶液キャスト法の操作を行った。

Figure 2008007759
なお、上式において「Block」の表記は、括弧内の構造単位からなるセグメントを有するブロック共重合体であることを意味する。
イオン交換容量 1.7 meq/g
吸水率 79%
プロトン伝導度 1.05×10-1 S/cm Example 2 [Production of block copolymer c]
In a flask equipped with an azeotropic distillation apparatus, in an argon atmosphere, 4.78 g (10.51 mmol) of dipotassium 4,4′-difluorodiphenylketone-3,3′-disulfonate, potassium 2,5-dihydroxybenzenesulfonate 2 0.001 g (8.76 mmol) potassium carbonate 1.51 g (10.93 mmol) was added, and DMSO 30 mL and toluene 30 mL were added. Thereafter, the toluene in the system was azeotropically dehydrated by distilling off toluene at a bath temperature of 150 ° C. for 2 hours, and the mixture was then kept warm for 4 hours to obtain a hydrophilic polymer. The obtained hydrophilic polymer had a weight average molecular weight of 42,000 according to the GPC method (condition A), and the ion exchange group density calculated from the structural unit was 5.7 meq / g.
Separately, 6.4 g (18.09 mmol) of 4,4′-dihydroxy-3,3′-diphenylbiphenyl and 4,4′-difluorodiphenyl sulfone were added to a flask equipped with an azeotropic distillation apparatus under an argon atmosphere. 15 g (16. 31mmol) of potassium carbonate 2.60g and (18.81mmol) was added, were added DMSO45mL and toluene 30 mL.
Thereafter, toluene was distilled off by heating at a bath temperature of 150 ° C. to azeotropically dehydrate the water in the system, and then the mixture was stirred while keeping for 8 hours to obtain a hydrophobic polymer. The obtained hydrophobic polymer had a weight average molecular weight of 24,000 according to the GPC method (Condition A).
Subsequently, after allowing the reaction solution to sufficiently cool to room temperature, the reaction solution of the hydrophilic polymer was dropped into the reaction solution of the hydrophobic polymer, and the reaction mass of the hydrophilic polymer was thoroughly washed with 20 mL of DMSO and charged, Thereafter, the mixture was stirred while keeping at an internal temperature of 150 ° C. for 6 hours. The reaction solution was allowed to cool and then added dropwise to a large amount of hydrochloric acid, and the resulting precipitate was collected by filtration. Further, washing and filtration were repeated with water until the washing solution became neutral, and then washing with hot water at 80 ° C. and filtration were performed. Subsequently, it dried under normal pressure at 80 degreeC and obtained the block copolymer c of the structure shown below of 13.71g. The weight average molecular weight of the obtained block copolymer by GPC method (Condition A) was 175000.
As a method for forming a polymer electrolyte membrane, the same solution casting method as in Example 1 was performed.
Figure 2008007759
In the above formula, the expression “Block” means a block copolymer having a segment composed of structural units in parentheses.
Ion exchange capacity 1.7 meq / g
Water absorption 79%
Proton conductivity 1.05 × 10 −1 S / cm

比較例2[ブロック共重合体dの製造]
共沸蒸留装置を備えたフラスコに、アルゴン雰囲気下、4,4’−ジフルオロジフェニルスルホン−3,3’−ジスルホン酸ジカリウム5.16g(10.51mmol)、2,5−ジヒドロキシベンゼンスルホン酸カリウム2.00g(8.76mmol)炭酸カリウム1.51g(10.93mmol)を加え、DMSO30mLおよびトルエン30mLを添加した。その後バス温150℃で2時間トルエンを加熱留去することで系内の水分を共沸脱水し、その後4時間保温攪拌することで、親水性ポリマーを得た。得られた親水性ポリマーのGPC法(条件A)による重量平均分子量は56000であり、構造単位から計算されるイオン交換基密度は5.3meq/gであった。
また別途、共沸蒸留装置を備えたフラスコに、アルゴン雰囲気下、4,4’−ジヒドロキシ−3,3’−ジフェニルビフェニル6.43g(19.00mmol)、4,4’−ジフルオロジフェニルスルホン4.34(17.21mmol)炭酸カリウム2.73g(19.76mmol)を加え、DMSO47mLおよびトルエン35mLを添加した。
その後バス温150℃で2時間トルエンを加熱留去することで系内の水分を共沸脱水し、その後4時間保温攪拌することで、疎水性ポリマーを得た。得られた疎水性ポリマーのGPC法(条件A)による重量平均分子量は23000であった。
続いて、反応液を室温まで十分に放冷した後、親水性ポリマーの反応溶液を疎水性ポリマーの反応溶液に滴下して、親水性ポリマーの反応マスをDMSO20mLで十分に共洗いして仕込み、その後内温150℃にて15時間保温攪拌した。反応液を放冷した後、大量の塩酸水に滴下し、生成した沈殿物を濾過回収した。さらに洗液が中性になるまで水で洗浄濾過を繰返した後、80℃のして濾過した。次いで80℃にて常圧乾燥し、14.98gの下記に示す構造のブロック共重合体dを得た。得られたブロック共重合体のGPC法(条件A)による重量平均分子量は274000であった。
高分子電解質膜への製膜方法は実施例1と同様な溶液キャスト法の操作を行った。

Figure 2008007759
なお、上式において「Block」の表記は、括弧内の構造単位からなるセグメントを有するブロック共重合体であることを意味する。
イオン交換容量 1.7 meq/g
吸水率 98%
プロトン伝導度 1.04×10-1 S/cm Comparative Example 2 [Production of Block Copolymer d]
In a flask equipped with an azeotropic distillation apparatus, in an argon atmosphere, 5.16 g (10.51 mmol) of dipotassium 4,4′-difluorodiphenylsulfone-3,3′-disulfonate, potassium 2,5-dihydroxybenzenesulfonate 2 0.001 g (8.76 mmol) potassium carbonate 1.51 g (10.93 mmol) was added, and DMSO 30 mL and toluene 30 mL were added. Thereafter, the toluene in the system was azeotropically dehydrated by distilling off toluene at a bath temperature of 150 ° C. for 2 hours, and the mixture was then kept warm for 4 hours to obtain a hydrophilic polymer. The weight average molecular weight of the obtained hydrophilic polymer by GPC method (Condition A) was 56000, and the ion exchange group density calculated from the structural unit was 5.3 meq / g.
Separately, 6.4 g (19.00 mmol) of 4,4′-dihydroxy-3,3′-diphenylbiphenyl and 4,4′-difluorodiphenylsulfone were added to a flask equipped with an azeotropic distillation apparatus under an argon atmosphere. 34 g (17.21 mmol) 2.73 g (19.76 mmol) of potassium carbonate was added, and 47 mL of DMSO and 35 mL of toluene were added.
Thereafter, the water in the system was azeotropically dehydrated by heating and distilling off toluene at a bath temperature of 150 ° C. for 2 hours, and then the mixture was kept warm for 4 hours to obtain a hydrophobic polymer. The obtained hydrophobic polymer had a weight average molecular weight of 23,000 according to the GPC method (Condition A).
Subsequently, after allowing the reaction solution to sufficiently cool to room temperature, the reaction solution of the hydrophilic polymer was dropped into the reaction solution of the hydrophobic polymer, and the reaction mass of the hydrophilic polymer was thoroughly washed with 20 mL of DMSO and charged, Thereafter, the mixture was stirred while keeping at an internal temperature of 150 ° C. for 15 hours. The reaction solution was allowed to cool and then added dropwise to a large amount of hydrochloric acid, and the resulting precipitate was collected by filtration. Further, the washing and filtration were repeated with water until the washing solution became neutral, and then filtered at 80 ° C. Subsequently, it dried under normal pressure at 80 degreeC and obtained the block copolymer d of the structure shown below of 14.98g. The weight average molecular weight of the obtained block copolymer by GPC method (condition A) was 274,000.
As a method for forming a polymer electrolyte membrane, the same solution casting method as in Example 1 was performed.
Figure 2008007759
In the above formula, the expression “Block” means a block copolymer having a segment composed of structural units in parentheses.
Ion exchange capacity 1.7 meq / g
Water absorption 98%
Proton conductivity 1.04 × 10 −1 S / cm

実施例3[ブロック共重合体eの製造]
共沸蒸留装置を備えたフラスコに、アルゴン雰囲気下、4,4’−ジフルオロジフェニルケトン−3,3’−ジスルホン酸ジカリウム5.97g(13.14mmol)、2,5−ジヒドロキシベンゼンスルホン酸カリウム2.50g(10.95mmol)、炭酸カリウム1.59g(11.50mmol)を加え、DMSO38mLおよびトルエン40mLを添加した。その後バス温150℃、2時間でトルエンを加熱留去することで系内の水分を共沸脱水し、その後4時間保温攪拌することで、親水性ポリマーを得た。得られた親水性ポリマーのGPC法(条件A)による重量平均分子量は38000であり、構造単位から計算されるイオン交換基密度は5.7meq/gであった。
また別途、共沸蒸留装置を備えたフラスコに、アルゴン雰囲気下、2,6−ジヒドロキシナフタレン4.10g(25.58mmol)、4,4’−ジフルオロジフェニルスルホン5.95(23.39mmol)、炭酸カリウム3.89g(28.14mmol)を加え、DMSO91mLおよびトルエン40mLを添加した。その後バス温150℃ 2時間でトルエンを加熱留去することで系内の水分を共沸脱水し、その後3時間保温攪拌することで、疎水性ポリマーを得た。得られた疎水性ポリマーのGPC法(条件A)による重量平均分子量は27000であった。
続いて、反応液を室温まで十分に放冷した後、親水性ポリマーの反応溶液を疎水性ポリマーの反応溶液に滴下して、親水性ポリマーの反応マスをDMSO20mLで十分に共洗いして仕込み、その後内温150℃にて12時間保温攪拌した。反応液を放冷した後、大量の塩酸水に滴下し、生成した沈殿物を濾過回収した。さらに洗液が中性になるまで水で洗浄濾過を繰返した後、80℃の熱水で洗浄して濾過した。次いで80℃にて常圧乾燥し、13.82gの下記に示す構造のブロック共重合体eを得た。得られたブロック共重合体のGPC法(条件A)による重量平均分子量は131000であった。
高分子電解質膜への製膜方法は実施例1と同様な溶液キャスト法の操作を行った。

Figure 2008007759
なお、上式において「Block」の表記は、括弧内の構造単位からなるセグメントを有するブロック共重合体であることを意味する。
イオン交換容量 2.0 meq/g
吸水率 106%
プロトン伝導度 1.74×10-1 S/cm

Example 3 [Production of block copolymer e]
In a flask equipped with an azeotropic distillation apparatus, under an argon atmosphere, 5.97 g (13.14 mmol) of dipotassium 4,4′-difluorodiphenyl ketone-3,3′-disulfonate, potassium 2,5-dihydroxybenzenesulfonate 2 .50 g (10.95 mmol) and potassium carbonate 1.59 g (11.50 mmol) were added, and DMSO 38 mL and toluene 40 mL were added. Thereafter, the water in the system was azeotropically dehydrated by distilling off toluene at a bath temperature of 150 ° C. for 2 hours, and the mixture was then kept warm for 4 hours to obtain a hydrophilic polymer. The weight average molecular weight of the obtained hydrophilic polymer by GPC method (Condition A) was 38000, and the ion exchange group density calculated from the structural unit was 5.7 meq / g.
Separately, in a flask equipped with an azeotropic distillation apparatus, in an argon atmosphere, 4.10 g (25.58 mmol) of 2,6-dihydroxynaphthalene, 5.95 g (23.39 mmol) of 4,4′-difluorodiphenylsulfone, 3.89 g (28.14 mmol) of potassium carbonate was added, and 91 mL of DMSO and 40 mL of toluene were added. Thereafter, toluene was distilled off with heating at a bath temperature of 150 ° C. for 2 hours to azeotropically dehydrate water in the system, and then the mixture was kept warm for 3 hours to obtain a hydrophobic polymer. The obtained hydrophobic polymer had a weight average molecular weight of 27000 according to the GPC method (Condition A).
Subsequently, after allowing the reaction solution to sufficiently cool to room temperature, the reaction solution of the hydrophilic polymer was dropped into the reaction solution of the hydrophobic polymer, and the reaction mass of the hydrophilic polymer was thoroughly washed with 20 mL of DMSO and charged, Thereafter, the mixture was stirred while keeping the internal temperature at 150 ° C. for 12 hours. The reaction solution was allowed to cool and then added dropwise to a large amount of hydrochloric acid, and the resulting precipitate was collected by filtration. Further, washing and filtration were repeated with water until the washing solution became neutral, and then washing with hot water at 80 ° C. and filtration were performed. Subsequently, it dried under normal pressure at 80 degreeC and obtained the block copolymer e of the structure shown below of 13.82g. The weight average molecular weight of the obtained block copolymer according to the GPC method (Condition A) was 131,000.
As a method for forming a polymer electrolyte membrane, the same solution casting method as in Example 1 was performed.
Figure 2008007759
In the above formula, the expression “Block” means a block copolymer having a segment composed of structural units in parentheses.
Ion exchange capacity 2.0 meq / g
Water absorption rate 106%
Proton conductivity 1.74 × 10 −1 S / cm

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US8138231B2 (en) * 2007-10-29 2012-03-20 Sumitomo Chemical Company, Limited Polymer having oxycarbon group, and use thereof
JP2009235124A (en) * 2008-03-25 2009-10-15 Sumitomo Chemical Co Ltd Method for obtaining polyarylene resin containing ion exchange group
JP5018588B2 (en) * 2008-03-26 2012-09-05 東洋紡績株式会社 Protonic acid group-containing block copolymer, method for producing the same, and polymer electrolyte membrane
JP5407355B2 (en) * 2009-01-21 2014-02-05 東レ株式会社 Manufacturing method of electrolyte membrane
CN102282709B (en) * 2009-01-19 2014-05-14 东丽株式会社 Process for producing polymeric electrolyte membrane
JP5407063B2 (en) * 2009-01-19 2014-02-05 東レ株式会社 Method for producing polymer electrolyte membrane
JP4864107B2 (en) * 2009-02-17 2012-02-01 株式会社日立製作所 Block copolymer and solid polymer electrolyte for fuel cell using the same, solid polymer electrolyte membrane for fuel cell, membrane electrode assembly and fuel cell
JP5672795B2 (en) * 2009-07-17 2015-02-18 東レ株式会社 Polymer polymerization method
JP5338656B2 (en) * 2009-12-25 2013-11-13 東レ株式会社 Method for producing polymer electrolyte membrane
US20140322628A1 (en) 2011-08-29 2014-10-30 Hiroaki Umeda Polymer electrolyte membrane, membrane electrode assembly using same and polymer electrolyte fuel cell
JP6048007B2 (en) * 2011-08-31 2016-12-21 東レ株式会社 BLOCK COPOLYMER, PROCESS FOR PRODUCING THE SAME, POLYMER ELECTROLYTE MATERIAL USING BLOCK COPOLYMER, POLYMER ELECTROLYTE MOLDED BODY AND SOLID POLYMER TYPE FUEL CELL
KR101532886B1 (en) * 2014-12-02 2015-07-02 성균관대학교산학협력단 Copolymer for manufacturing membrane of a fuel cell, method of forming the copolymer and membrane of a fuel cell
KR102440712B1 (en) * 2015-03-13 2022-09-07 도레이 카부시키가이샤 Composite polymer electrolyte membrane, electrolyte membrane with catalyst layer using same, membrane electrode composite, and solid polymer fuel cell

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JP2004359925A (en) * 2003-04-07 2004-12-24 Mitsui Chemicals Inc Proton conductive block copolymer and proton conductive film
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US20050136314A1 (en) * 2003-12-17 2005-06-23 Ballard Power Systems Inc. Ion-exchange membrane for an electrochemical fuel cell
JP4150408B2 (en) * 2004-07-23 2008-09-17 三井化学株式会社 Binder for fuel cell, composition for electrode formation, electrode and fuel cell using the same
WO2006128106A2 (en) * 2005-05-27 2006-11-30 Polyfuel, Inc. End-capped ion-conductive polymers
CA2607966A1 (en) * 2005-06-01 2006-12-07 Polyfuel Inc. Ion-conducting polymers containing pendant ion conducting groups
CN101189285A (en) * 2005-06-01 2008-05-28 复合燃料公司 Cross-linked ion-conductive copolymer

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