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志明弟弟

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[求助] 求助关于改性纳米二氧化钛和pmma复合材料

我是tio2进行表面改性,接上很多不饱和双键。然后用苯乙烯引发剂接枝,这样tio2上面就接上了聚苯乙烯,然后在和pmma熔融共混,力学性能和热性能都提高了。请问怎么解释?ps和pmma不互容,冲击性能都比较差,为啥熔融以后提高了?二次改性后的力学性能比纯tio2/pmma复合材料好,请问怎么解释呀

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