The blending of super-engineering plastics like poly(ether sulfone) (PES) with commodity polymers such as polypropylene (PP) could result in low cost materials with greatly enhanced properties, but has not been studied. In the present study, blends of PP and PES were formed by melt-mixing in the presence of modified reactive PP (mPP), with the generation of PES-mPP copolymers at the immiscible interface. It was revealed by transmission electron microscopy that daughter copolymer micelles were formed in the PP matrix and the mPP domain as a result of the copolymers' migration from the interface. It was shown that the micelles contributed to dramatic enhancement of the thermal stability of the alloys, where the size of the super-engineering plastic in the micelle core was of the order of 10 nm. Thus, the present work demonstrates a novel application of reactive processing by utilizing dispersion at the nano-scale level (∼10 nm) to improve polymer properties.

将超级工程塑料（例如聚醚砜）（PES）与商品聚合物（例如聚丙烯（PP））共混可以生产出性能大大提高的低成本材料，但尚未进行研究。在本研究中，PP和PES的共混物是在改性反应性PP（mPP）存在下通过熔融混合形成的，在不混溶的界面上生成PES-mPP共聚物。透射电子显微镜显示，由于共聚物从界面迁移，在PP基质和mPP结构域中形成了子共聚物胶束。结果表明，胶束显着增强了合金的热稳定性，其中胶束核心中的超级工程塑料的尺寸约为10 nm。因此，