Polypropylene resin for high-rigidity molded products

摘要

A polypropylene resin from which high-rigidity molded products can be produced even when no particular additive is added, is provided, which resin has a melt rate of 0.1 to 100, a density of 0.905 to 0.936, and a boiling n-heptane-insoluble part whose isotactic pentad ratio (Po) is 0.975 to 0.995, and whose pentad ratio (P2) having two different kinds of configurations of 0.002 to 0.000%, and preferably has a melting point of 165 DEG to 170 DEG C. as measured by differential scanning calorimetry.