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| 聚酯直接缩聚反应的机理探讨 | |
| 引用本文： | 张建新,吴和融,李世瑨. 聚酯直接缩聚反应的机理探讨[J]. 应用化学, 1987, 0(6): 82-84 |
| 作者姓名： | 张建新 吴和融 李世瑨 |
| 作者单位： | 华东化工学院高分子材料系, 上海 |
| 摘 要： | 聚酯的直接缩聚合成法是从合成聚羟基苯甲酸发展而来,已成功地用于合成聚芳酯,但有关反应机理的研究报导很少。我们亦对反应机理进行了探讨,实验方法是先配制定量的对甲苯磺酰氯(TsCl)-吡啶溶液,溶解后立即用移液管将溶液移至比色皿中,加入不同量的二甲基甲酰胺(DMF),用可见-紫外光分光光度法跟踪反应,并用红外光谱法测定反应的中间产物,结果报导如下。 |
| 收稿时间： | 1986-11-18 |
| 修稿时间： | 1987-05-19 |
ON THE MECHANISM OF DIRECT POLYCONDENSATION |
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| Zhang Jianxin,Wu Hojung,Li Shijing. ON THE MECHANISM OF DIRECT POLYCONDENSATION[J]. Chinese Journal of Applied Chemistry, 1987, 0(6): 82-84 | |
| Authors: | Zhang Jianxin Wu Hojung Li Shijing |
| Affiliation: | Department of Polymer Materials, East China Institute of Chemical Technology, Shanghai |
| Abstract: | The direct polycondensation for polyester synthesis was investigated by visible light and IR spectroscopy measurements. The results showed that pyridine not only acts as a solvent but also reacts with tosyl chloride to form an intermediate and that DMF catalyzes the formation of the intermediate. A mechanism is proposed. |
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