Patent ID: 6657034
Filing Date: 2003-12-02
Classification: C08F

Abstract:
A copolymer of ethylene, and at least one comonomer selected from 1-hexene and 1-butene in the form of particles having particle sizes in the range of 40 to 400 microns, said polymer havinga) a weight average molecular weight greater than one million, b) an inherent viscosity greater than 19, c) a density in the range of 0.92 to 0.94 g/cc, d) a high load melt index of 0 g/0.10 min, and when compression molded has e) a tensile strength at break of at least about 45.3 Mpa, f) an Izod impact strength greater than 50 kJ/m2, and g) an ASTM D65-94 Sand Wheel Abrasion loss in the range of 61 to 75 grams.