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ＤＳＣ和ＳＥＭ研究结果表明聚苯乙烯（ＰＳ）与一种热致液晶聚合物（ＬＣＰ）（ＰＨＢ／ＰＥＴ（６０／４０）共聚酯）完全不相容．共混体系具有与组分无关的Ｔｇ，并且表现出明显的两相结构．将ＰＳ进行化学改性（引入磺酸基团）制备成磺化聚苯乙烯（ＳＰＳ），随中和盐离子的变化有：酸式、Ｌｉ、Ｎａ、Ｚｎ和Ｍｎ盐五种形式．用ＤＳＣ和ＳＥＭ对ＬＣＰ与ＳＰＳ共混物的热性能和形态进行了分析和表征．共混体系有一个与组成相关，且明显低于纯ＳＰＳ的Ｔｇ．这表明了ＰＳ与ＬＣＰ的相容性因为磺酸基团的引入而得到了改善．同时用Ｆｏｘ方程计算了ＬＣＰ的Ｔｇ．当ＳＰＳ含量较低时（不大于５０％）在各个共混体系中，所估算的ＬＣＰ的Ｔｇ相互吻合．表明共混体系满足Ｆｏｘ方程的前提条件，即ＬＣＰ与ＳＰＳ形成相容体系．当ＳＰＳ含量较低时（２５％），ＬＣＰ／ＳＰＳ的共混物为较均一体系，断面光滑；而ＳＰＳ含量较高时，在脆断面可以观察到纳米级的颗粒．电子能谱分析证明了这些颗粒是ＳＰＳ负离子的聚集体．
DSC and SEM studies show that polystyrene (PS) is completely incompatible with a thermotropic liquid crystal polymer (LCP) (PHB / PET (60/40) copolyester). The blend system has a Tg that is independent of the components and shows a distinct two-phase structure. The sulfonated polystyrene (SPS) was prepared by chemical modification of PS (introducing sulfonic acid groups). There were five forms of acid salt, Li, Na, Zn and Mn salts with neutral salt ions. The thermal properties and morphology of LCP and SPS blends were analyzed and characterized by DSC and SEM. The blends had a Tg that was compositional and significantly lower than pure SPS. This shows that the compatibility of PS with LCP is improved by the introduction of sulfonic acid groups. The Tg of LCP was also calculated using the Fox equation. When the SPS content is low (not more than 50%) in each blends, the estimated Tg of LCP coincide with each other. It shows that the blending system satisfies the prerequisite of Fox equation, that is, LCP and SPS form a compatible system. When the content of SPS is low (25%), the blend of LCP / SPS is more homogeneous and the cross section is smooth. When the SPS content is higher, nano-scale particles can be observed on the brittle fracture surface. Electron spectrum analysis confirmed that these particles were aggregates of SPS anions.