USE OF POLYETHYLENE FOR MANUFACTURING MOLDING OF EXCELLENT DIMENSIONAL STABILITY BY INJECTION MOLDING

摘要

PROBLEM TO BE SOLVED: To provide a polyethylene resin having a low degree of shrinkage and enhanced workability.;SOLUTION: The molding of high dimensional stability is obtained by injection-molding the polyethylene resin prepared using an ethylene-bis-(4, 5, 6, 7-tetrahydro-1-indenyl) zirconium chloride catalyst system, having a long chain branch of high level characterized by a Dow rheological index DRI exceeding 0.75, and exhibiting 0.945-0.960 g/cm³ density and 0.5-200 g/10 min. melt flow index.;COPYRIGHT: (C)2010,JPO&INPIT