The POSS/acrylic resin was synthesized from N, N-dimethyl aniline as catalyst, and The cage epoxy polyhedral oligomeric silsesquioxanesand acrylic acid as raw materials, and the acrylic acid conversion influenced by the reaction temperature and the dosage of catalyst was discussed, get the synthesis EP-POSS acrylic resin better conditions, the structure and thermal properties of the POSS/acrylic resin was characterized by FTIR and TG and the curing mechanical performance to carry on the preliminary research.% 采用N,N-二甲基苯胺为催化剂，笼型倍半硅氧烷环氧树脂和丙烯酸为原料，合成了POSS/丙烯酸树脂，讨论了反应温度以及催化剂的用量对丙烯酸转化率的影响，得到了合成POSS/丙烯酸树脂的较佳条件，利用FTIR和热重分析(TG)对POSS/丙烯酸树脂的结构及热性能进行了表征，并对其固化机械性能进行了初步的研究。
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