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通过苯乙烯（Ｓ）及甲基丙烯酸正丁酯（ｎＢｍａ）分别与少量的甲基丙烯酸（Ｍａａ）和马来酸酐（Ｍａｎ）共聚，从而在聚苯乙烯（ＰＳ）及聚甲基丙烯酸丁酯（ＰＢｍａ）链上分别引入了功能基因羧酸基和酸酐基，制得共聚物ＳＭａａ、ＢｍａＭａａ、ｓＭａｎ及ＢｍａＭａｎ．通过将这些共聚物分别交换上金属离子制备得相应的离聚物（Ｉｏｎｏｍｅｒ）及其共混物．红外光谱（ＩＲ）、差示扫描量热法（ＤＳＣ）及透射电镜（ＴＥＭ）的研究结果表明，共混物两组分均具有同种（负）电荷时，仍表现明显的增容作用．
Polystyrene (PS) and polybutylmethacrylate (PMMA) were copolymerized with a small amount of methacrylic acid (MAA) and maleic anhydride (Man) through styrene (S) and n-butylmethacrylate (PBma) chain were introduced into the functional gene carboxylic acid and acid anhydride groups were prepared copolymer SMaa, BmaMaa, sMan and BmaMan. The corresponding ionomers and their blends were prepared by the exchange of the metal ions respectively with these copolymers. The results of infrared spectroscopy (IR), differential scanning calorimetry (DSC) and transmission electron microscopy (TEM) showed that the two components of the blends all exhibit the same (negative) charge.