过量的甲苯二异氰酸酯(TDI)加入氨乙基氨丙基聚二甲基硅氧烷(AEAPS)、端羟基聚丁二烯(HTPB)中制成预聚体,以3,3′-二氯-4,4′二苯基甲烷二胺(MOCA)为固化剂,合成了一系列不同含量的硅氧烷改性聚丁二烯聚氨酯脲.通过接触角、表面光电子能谱(ESCA)测试,应力应变、动态力学热分析,结果表明,氨基硅油在聚氨酯脲表面明显富集,聚丁二烯聚氨酯脲的力学性能改变不大.
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