A comparison of metallocene polyethylene elastomers(mPE)and ethylene-propylene terpolymer(EPDM) was made in toughening modification of polypropylene(PP).

• 用茂金属聚乙烯弹性体?mPE?代替三元乙丙橡胶?EPDM?对聚丙烯?PP?增韧改性并进行了比较。