聚N-乙烯基吡咯烷酮对癸二酸-二苯并-18-冠-6共聚物薄膜性能的影响  

THE INFLUENCES OF PVP ON THE PROPERTIES OF THE \=CONDENSATION POLYMERS MEMBRANE OF DIBENZO\|18\|CROWN\|6 WITH SEBACIC ACID

作　　者：周庆业[1] 鹿秀山[1] 宋谋道[1] 张邦华[1] 郝广杰[1] 张莹[1] 何炳林[1] 

机构地区：[1]南开大学高分子化学研究所吸附分离功能高分子材料国家重点实验室

出　　处：《高分子学报》1999年第3期315-319,共5页Acta Polymerica Sinica

基　　金：天津市廿一世纪青年科学基金;吸附分离功能高分子材料国家重点实验基金

摘　　要：分子量较高的癸二酸二苯并１８冠６共聚物可以制成具有一定韧性的薄膜，但该薄膜的透过性不好，当加入少量的水溶性聚合物聚乙烯吡咯烷酮（ＰＶＰ）后，薄膜的离子络合速度大幅度加快，并保持了对Ｋ＋较高选择性．同时研究了合金膜中ＰＶＰ的溶出量与温度及时间关系。The high molecular weight condensation polymers(CEP\|1) of dibenzo\|18\|crown\|6(DB\|18\|C\|6) with sebacic acid were good membrane\|forming material,which had higher complex selectivities to K\++,but the permeabilities of the membranes were low.The permeabilities can be improved greatly when CEP\|1 was mixed with a little water\|soluble poly(vinyl pyrrolidone)(PVP).The experimental result showed that CEP\|1/PVP membranes have high complex rate,complex ability,complex selectivity to K\++.The DMA spectra indicated that the modulus \ and tangent of the loss angle (tan ), were changed, therefore the CEP\|1/PVP blends were partially compatible system. It has been found that the amount of PVP dissolved from CEP\|1/PVP membrane were increased with temperature of water solution raising.\=

关 键 词：酮型冠醚聚合物 聚乙烯吡咯烷酮 离子络合平衡 癸二酸-二苯并-18冠-6共聚物 性能 薄膜 

分 类 号：O631[理学—高分子化学] O484.4[理学—化学]