Patent ID: 7989083
Filing Date: 2011-08-02
Classification: B32B,C08F,C08L,C09J,Y10T

Abstract:
1. An acid-modified polypropylene resin, which is obtained by grafting an organic acid component to a polypropylene resin, wherein the polypropylene resin is an isotactic polypropylene resin, the grafted amount X (wt %) of the organic acid component in the acid-modified polypropylene resin is within a range of from 1.0 to 20.0 (wt %), and the melt flow rate Y (g/10 min) of the acid-modified polypropylene resin satisfies the expression: wherein the acid-modified polypropylene resin is obtained by a process which comprises mixing a polypropylene resin, an organic acid component and an organic peroxide, represented by the formula (2), with heating, to obtain the acid-modified polypropylene resin: wherein A is a bivalent connecting group containing at least one structure represented by —O—CO—O—O—, and each of R