Patent ID: 8663790
Filing Date: 2014-03-04
Classification: C08F,C08L

Abstract:
1. A high-strength injection-molded screw cap closure comprising: a polyethylene molding composition having a multimodal molecular mass distribution and comprising: (A) 40 to 45% by weight of a first ethylene homopolymer fraction having: (B) 35 to 40% by weight of a second ethylene copolymer fraction comprising: (C) 15 to 20% by weight of a third ethylene copolymer comprising: wherein the polyethylene molding composition has: (i) a density between 0.945 and 0.953 g/cm (ii) a melt flow index between 4 and 6.5 g/10 min measured at (190° C./5 kg).