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有机硅改性席夫碱聚氨酯型液晶固定相的制备、表征及色谱性能

申书昌 ,  蔡君洋 ,  王利鸿

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引用本文: 申书昌, 蔡君洋, 王利鸿. 有机硅改性席夫碱聚氨酯型液晶固定相的制备、表征及色谱性能[J]. 应用化学, 2016, 33(9): 1085-1092. doi: 10.11944/j.issn.1000-0518.2016.09.150410 shu
Citation:  SHEN Shuchang, CAI Junyang, WANG Lihong. Synthesis, Characterization and Chromatographic Performance of Schiff-base Type Silicone Polyurethane Liquid Crystal Polymer[J]. Chinese Journal of Applied Chemistry, 2016, 33(9): 1085-1092. doi: 10.11944/j.issn.1000-0518.2016.09.150410 shu

有机硅改性席夫碱聚氨酯型液晶固定相的制备、表征及色谱性能

  • 1.

    齐齐哈尔大学分析测试中心 黑龙江 齐齐哈尔 161006

    • 通讯作者: 申书昌,教授;Tel:0452-2738202;E-mail:sscfxzx@163.com;研究方向:色谱分析技术
  • 基金项目:

    黑龙江省自然科学基金项目（B201101）资助 

摘要: 以对苯二胺、3-氯丙醇和4-羟基苯甲醛为原料，合成对苯二（对苯丙氧基醇）亚胺液晶基元，再与对苯二异氰酸酯和1，3-双（3-氨基丙基）四甲基二硅氧烷反应，合成席夫碱型硅氧烷聚氨酯液晶聚合物。通过红外光谱法、X射线衍射、热分析、偏光显微镜等技术手段对其结构和性能进行了表征。结果表明，该物质为席夫碱有机硅聚氨酯液晶聚合物，属于近晶相液晶，液晶区间为103~150℃，热分解温度为300℃。用席夫碱型硅氧烷聚氨酯液晶固定相制备填充色谱柱，考察固定液的相对极性及其对取代苯位置异构体的色谱分离性能。合成的席夫碱型硅氧烷聚氨酯液晶聚合物的液晶温度范围为103~146℃，属于强极性固定液（Px=79），各组分色谱峰的分离度为0.96~3.33。

English

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  • 收稿日期:  2015-11-23
  • 网络出版日期:  2016-03-30
通讯作者: 陈斌, bchen63@163.com
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