The end pressure loss of LLDPE melt in short die extrusion and factors affecting the pressure loss were investigated by using a capillary rheometer.
应用毛细管流变仪，考察了线性低密度聚乙烯(LLDPE)熔体于短口型挤出流动中的末端压力损失及其影响因素。
The rheological properties of low density polyethylene (LDPE) were measured under conditions close to the practical extrusion process by means of a capillary rheometer.
应用毛细管流变仪测量了在接近实际挤出工艺条件下低密度聚乙烯熔体的流变性质；
The high speed extrusion behaviors of several polyolefine melts were investigated by a double capillary rheometer of constant speed type.
采用恒速型双毛细管流变仪研究一批聚烯烃熔体的高速挤出行为。
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