POLYPROPYLENE INJECTION-MOLDED OBJECT

摘要

PROBLEM TO BE SOLVED: To provide an injection-molded object comprising a polypropylene resin excellent in scratch resistance generating no surface damage nor lowering of appearance caused by the repeated friction with cloth or paper or the contact with other article in cleaning work and suitable for a use as the outer panel part of a large-sized household electric appliance or a container. SOLUTION: The degree of crystallization of the surface of a polypropylene injection-molded object is set to 55% or more and the degree of b-axis orientation represented by the rotation of (040) reflection intensity and (110) reflection intensity of the surface thereof is set to 2 or more.