【摘要】 本文对近年国内外关于聚氯乙烯塑料的增韧改性研究中具有代表性的方法进行了总结。分别介绍了化学改性,物理共混改性(包括弹性体、刚性粒子、纤维状填料共混改性)和双轴取向改性的实施方法及其机理,并对其发展前景进行了展望。更多还原

【Abstract】 This paper summarized the representative methods of PVC toughening modification carried out in domestic and overseas. Respectively,it introduced the Implementation method and mechanism of chemical modification, physical blending modification(includes elastomer, rigid particles, fibrous packing blending modification) and biaxial orientation modification,and then put forward an outlook about PVC toughening modification according to the aforementioned introduction.更多还原