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中文摘要：
以1,2，4-苯三酸酐和聚乙二醇（聚乙二醇300、聚乙二醇400、聚乙二醇600）为反应单体，首次通过缩聚法合成了一系列两亲性芳香族超支化聚酯．通过FT—IR、^1HNMR、GPC、DSC、TGA对超支化聚酯的结构和性能进行了表征，结果表明，利用缩聚法成功合成了两亲性超支化聚酯，并且两亲性超支化聚酯的热性能稳定．两亲性超支化聚酯在水中自组装成囊泡，可以用作微反应器和药物封装等．
英文摘要：
A series of amphiphilic aromatic hyperbranched polyesters （HBPEs） were firstly synthesized by way of polycon- densation with 1,2,4-benzenetricarboxylic anhydride （BTAA） and polyethylene glycol （PEG300, PEG400, PEG600）. Structure and property of HBPEs were characterized by FT-IR, 1H NMR, GPC, DSC and TGA. The obtained HBPEs have a good thermal stability and can self-assemble into vesicles in water. These vesicles might be applied as microreactors or drug carriers etc.
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