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PVC/CPE blend modified by rigid particles has good combined properties. In this paper, the effeCts of rigid particles (PMMA. PS. CaCO,) on the rheological behavior of PVC/ CPE systems were studied. The results showed that the apparent viscosity (aha) were decreased, extrusion surface smooth and Newtonian fluidity were slightly improved by filling a little amount of rigid ploymers (PS. PMMA) to PVC/CPE blends. The fluid activition energy (E,). Newtonian fluidity. extrusion surface smooth and ba of PVC/CPE blends were increased by filling CaCO3 and die swelling ratio was decreased.The newtonian fluidity. En and ηa of PVC/CPE/CaCO3 blends can be decreased by filling rigid polymers,and good extrusion surface smooth and low die swelling ratio unchanged. 相似文献
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本文对强迫对流条件下单颗粒水煤浆的加热、蒸发过程进行了研究,建立了计算模型,计算结果与实验结果符合较好,因此可供工程上估算单颗粒水煤浆的加热时间和蒸发时间用. 相似文献
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