Larger particles size of MBS resulted in higher tensile strength, but higher brittle-ductile transition (BDT) temperature and lower transparency.

• 结果表明:PVC/MBS共混物的脆-韧转变温度(BDT)和拉伸性能均随着MBS粉料粒径的增加而增加; 但是光学测试则表明MBS粒子对改善PVC基体的光学性能的效果却随MBS粉料粒径的增加而降低;