聚乙二醇对聚偏氟乙烯/亲水性高聚物性能影响  

Effects of PEG on PVDF/Hydrophilicity Polymer Blend Membranes

作　　者：张炜频[1] 李娜[1] 张钧超[1] 韩燕全[2] 华河林[1] 

机构地区：[1]南昌航空大学,江西南昌330063 [2]安徽中医学院第一附属医院药学部,安徽合肥230031

出　　处：《南昌航空大学学报（自然科学版）》2010年第1期25-29,共5页Journal of Nanchang Hangkong University(Natural Sciences)

基　　金：国家自然科学基金项目"紫外光辐射原子转移自由基聚合改性高分子膜材料的研究"(20906044);江西省重点科技攻关项目"新型管式复合中空纤维膜生物反应器的研究"(2009AE00200)

摘　　要：文章以聚乙二醇为聚偏氟乙烯/亲水性高聚物共混体系的添加剂,研究了聚乙二醇含量对聚偏氟乙烯/亲水性高聚物共混膜的水通量、孔径、孔隙率和耐污染性的影响。结果表明当共混体系中聚乙二醇含量为7.5%,膜的最大水通量达到1050 L/m2.h,孔隙率为73.0%,平均孔径为0.19μm,聚乙二醇含量对PVDF/B共混膜的结构和性能变化起了重要的作用,可通过调节聚乙二醇的含量来控制膜的孔径和孔隙率。Effects of PEG on PVDF / hydrophilicity polymer blend membranes were studied. Polyethylene glycols （PEG） were added into PVDF/ Hydrophilicity Polymer （B） blend system. The content of PEG plays an important role in the structure and properties of the final membranes. By adding PEG, high -flux and big pore size porous membrane was obtained. When the content of PEG is 7. 5% , the pure water flux, ratio of pore and mean pore size of blend membrane arrive at 1050 L/m2 · h,73.0% and 0.19μm, respectively. Thus, the porous membrane with different pore size can be obtained by regulating the contents of PEG in PVDF/B blend solution.

关 键 词：聚偏氟乙烯 聚乙二醇 共混膜 

分 类 号：TQ325[化学工程—合成树脂塑料工业]