以过氧化苯甲酰(BPO)作引发剂,通过溶液接枝聚合法把苯乙烯接枝到原硅酸钠改性的聚偏氟乙烯(PVDF)膜上,磺化后得到聚偏氟乙烯接枝苯乙烯磺酸(PVDF-g-PSSA)电解质膜.讨论了原硅酸钠的用量、接枝反应时间、反应温度、BPO浓度、苯乙烯单体浓度等对PVDF-g-OSSA膜接枝率的影响.结果表明,原硅酸钠用量为10%(质量分数,下同)、BPO浓度为0.016 mol/L反应液、苯乙烯与四氢呋喃的比例为4:1、在75℃水浴中,氮气保护下反应10 h,可得到接枝率为16.1%、电导率为1.6×10-2 S/cm的PVDF-g-PSSA电解质膜.
参考文献
| [1] | Nasef MM;Zubir NA;Ismail AF;Khayet M;Dahlan KZM;Saidi H;Rohani R;Ngah TIS;Sulaiman NA .PSSA pore-filled PVDF membranes by simultaneous electron beam irradiation: Preparation and transport characteristics of protons and methanol[J].Journal of Membrane Science,2006(1):96-108. |
| [2] | Xinping Qiu;Wenqiong Li;Shicao Zhang .The Microstructure and Character of the PVDF-g-PSSA Membrane Prepared by Solution Grafting[J].Journal of the Electrochemical Society,2003(7):A917-A921. |
| [3] | Hsueh CL.;Peng YJ.;Wang CC.;Chen CY. .Bipolar membrane prepared by grafting and plasma polymerization[J].Journal of Membrane Science,2003(1/2):1-13. |
| [4] | Ross G.J.;Watts J.F. .Surface modification of poly(vinylidene fluoride) by alkaline treatment 1.The degradation mechanism[J].Polymer: The International Journal for the Science and Technology of Polymers,2000(5):1685-1696. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%