The extrudate swell behaviour of linear low density polyethylene and low density polyethylene blend (LLDPE/LDPE) melt is studied by means of a capillary rheometer.

• 应用毛细管流变仪,考察了实验条件下线性低密度聚乙烯与低密度聚乙烯共混物(LLD-PE/LDPE)熔体挤出胀大行为及其影响因素。