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·2384·                            精细化工   FINE CHEMICALS                                 第 40 卷

                                                               了含有亚砜和砜结构的聚合物,其 T g 显著提升,但
                                                               热稳定性有所下降。其中,CBO/TBL 共聚物的阿贝
                                                               数高达 49,并保持折射率 1.59,表明这种主链重复
                                                               单元中含有可降解性酯基和氧化还原敏感硫醚基的
                                                               聚酯硫醚具有在光电设备材料等领域应用的价值。
                                                               与此同时,环氧化合物和硫代内酯两类单体都具有
                                                               结构多样性,该共聚反应为制备种类丰富的含硫可
                                                               再生聚酯提供了新的途径。

                                                               参考文献:
              图 8   不同结构聚酯硫醚的折射率随波长的变化曲线
            Fig. 8    Variation curves of refractive indexes of different   [1]   ZHANG C J, ZHU T C, ZHANG X H, et al. Poly(thioether)s from
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            见图 9。可以看出,该共聚物在 400~800 nm 可见光                         controlled polyester-block-poly(ester-alt-thioester) by chemoselective
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