The influence of tmpp on the dynamic rheological behavior of the nanocomposite and the relationship between the rheological behavior and temperature were also investigated 用透射電鏡表征了納米復(fù)合材料的結(jié)構(gòu)，研究了接枝物對(duì)納米復(fù)合材料動(dòng)態(tài)流變行為的影響，以及流變行為與溫度的關(guān)系。
Polypropylene / organic montmorillonite ( pp / ommt ) nanocomposite was prepared by using a solid - phase - grafted pp ( tmpp ) as the interfacial modifier , whose nanostructure was then observed using transmission electron microscopy ( tem ) 摘要以聚丙烯固相接枝共聚物為界面改性劑制備了聚丙烯有機(jī)蒙脫土納米復(fù)合材料。
The results show that the dynamic elastic modulus , loss modulus and complex viscosity of the nanocomposite are higher than those of pp , while the loss factor is lower , that the complex viscosity of the nanocomposites is more sensitive to temperature , and that the flow activation energy and the crystallization temperature increase respectively by 15 % and 10k as compared with pp , which may contribute to the enhanced interfacial interaction between pp and ommt resulting from the addition of tmpp 結(jié)果表明：與純聚丙烯相比，納米復(fù)合材料具有較高的動(dòng)態(tài)彈性模量、損耗模量和復(fù)合粘度，力學(xué)損耗因子則降低，納米復(fù)合材料的復(fù)合粘度對(duì)溫度的敏感性略高于聚丙烯；界面改性劑的加入增強(qiáng)了有機(jī)蒙脫土與聚丙烯的界面作用，與聚丙烯相比，納米復(fù)合材料的流動(dòng)活化能提高約15 % ，結(jié)晶峰溫度提高10k左右。
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