| 摘要 |
PROBLEM TO BE SOLVED: To provide a molding resin composition which can give a molded item having a thin-wall part easily cuttable in unsealing, a sufficient stiffness as a container or lid, and a small molding strain. SOLUTION: This resin composition, improved in cuttability of a thin-wall part, is the raw material for preparing a member having a thin-wall part used in preparing, by injection molding, a pilferproof-type molded item having a structure wherein a container body and lid can not be unsealed unless the thin- wall part is broken. The composition is prepared by compounding 100 pts.wt. polypropylene resin with 10-50 pts.wt. polyethylene produced by the polymerization using a metallocene catalyst. The polypropylene resin is one prepared by block polymerization.
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