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制备了AS/CPE共混物,用毛细管流变仪研究了其流变性能。实验结果表明:AS/CPE共混物熔体呈假塑性,其表观剪切粘度随剪切速率的增大或温度的升高而下降,随共混物中CPE含量的升高而上升。并讨论了CPE对共混物非牛顿指数的影响。
The AS / CPE blends were prepared and their rheological properties were studied by capillary rheometer. The experimental results show that the melt viscosity of AS / CPE blends is pseudoplastic. The apparent shear viscosity of AS / CPE blends decreases with the increase of shear rate or temperature, and increases with the increase of CPE content in blends. The influence of CPE on the non-Newtonian index of blends was discussed.