SPPESK/SPEEK共混质子交换膜的制备与性能

高分子材料科学与工程, 2012, 28(7): 148-151.

SPPESK/SPEEK共混质子交换膜的制备与性能

杜立广 ^1, , 吴雪梅 ^2, , 焉晓明 ^3, , 贺高红 ^4,

1.大连理工大学精细化工国家重点实验室,膜科学与技术研究开发中心,辽宁大连116024

2.大连理工大学精细化工国家重点实验室,膜科学与技术研究开发中心,辽宁大连116024

3.大连理工大学精细化工国家重点实验室,膜科学与技术研究开发中心,辽宁大连116024

4.大连理工大学精细化工国家重点实验室,膜科学与技术研究开发中心,辽宁大连116024

基金项目: 国家自然科学基金资助项目(20976027)

关键词：磺化聚芳醚砜酮 , 磺化聚醚醚酮 , 共混 , 甲醇渗透 , 质子交换膜

Preparation and Properties of Sulfonated Poly（Phthalazinone Ether Sulfone Ketone）/Sulfonated Poly（Ether Ether Ketone） Blend Proton Exchange Membrane

Keywords： SPPESK , SPEEK , blend , methanol permeability , proton exchange membrane

以耐溶胀性能较好的磺化聚芳醚砜酮（SPPESK）和吸水性较强的磺化聚醚醚酮（SPEEK）为原料,制备了SPPESK/SPEEK共混质子交换膜。考察了共混膜的水吸收率,水溶胀度,甲醇水溶胀度,甲醇渗透率及质子传导率和力学性能。80℃时,共混膜具有适当的水吸收（101%）和溶胀度（34%）,较低的甲醇水溶胀度（20%）,较高的质子传导率（0.212 S/cm）,与SPPESK膜相比,质子传导率提高了18%。SPEEK的加入改善了共混膜的柔韧性,断裂拉伸应变从16.48%提高到30.43%。

The sulfonated poly（phthalazinone ether sulfone ketone）（SPPESK） with low swelling rate and the sulfonated poly（ether ether ketone）（SPEEK） with good water uptake were used to prepare SPPESK/SPEEK blend proton exchange membrane.The water uptake,swelling rate,methanol permeability,proton conductivity and mechanics of the blend membranes were investigated.The results show that the water uptake and swelling rate of the SPPESK/SPEEK blend membrane are 101% and 34% at 80 ℃,respectively.The methanol swelling rate of the blend membrane is 20% at 80 ℃.The proton conductivity of the blend membrane is 0.212 S/cm at 80 ℃,which is 18% higher than that of SPPESK membrane.The flexibility of the blend membrane is better than that of SPPESK membrane.The intorduction of SPEEK makes the tensile strain of the blend membrane increase from 16.48% to 30.43%.

参考文献

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[2]	Hongtao Li;Gang Zhang;Wenjia Ma;Chengji Zhao;Yang Zhang;Miaomiao Han;Jing Zhu;Zhongguo Liu;Jing Wu;Hui Na .Composite membranes based on a novel benzimidazole grafted PEEK and SPEEK for fuel cells[J].International journal of hydrogen energy,2010(20):11172-11179.
[3]	Reinholdt, M.X.;Kaliaguine, S. .Proton exchange membranes for application in fuel cells: Grafted silica/SPEEK nanocomposite elaboration and characterization[J].Langmuir: The ACS Journal of Surfaces and Colloids,2010(13):11184-11195.
[4]	Tao Yang;Chuntao Liu .SPEEK/sulfonated cyclodextrin blend membranes for direct methanol fuel cell[J].International journal of hydrogen energy,2011(9):5666-5674.

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