Toughness of poly(styrene co maleic anhydride)(SMA)was improved by incorporating certain amount of epoxidized ethylene propylene diene rubber(e EPDM)with reactive blending technique.

• 利用反应共混技术实现了环氧化三元乙丙橡胶(e-EPDM)对苯乙烯-马来酸酐(SMA)共聚物的增韧改性。