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中文摘要：
该文采用负载型β-成核剂成核PP分别与Ps、AS、ABS共混制备了B-PP共混物。用DSC和WAXD研究了苯乙烯系聚合物对β-成核PP中的β-成核作用的影响和β-PP共混物的结晶行为、结晶形态、熔融特性和β-晶含量。观察到随着苯乙烯系聚合物用量增加，B-成核PP的结晶温度稍有降低，尤其ABS。苯乙烯系聚合物加入不影响β-成核PP的熔融特性，呈现三个熔融峰。β-成核PP共混物的β-晶含量随着苯乙烯系聚合物用量增加而降低，但可得到β-晶含量高于80％以上β-PP共混物。
英文摘要：
β-Polypropylene （PP） blends were prepared with supported β-nucleator nucleated PP and PS, AS, ABS, respectively. The β-nucleation, crystallization behavior, melting characteristic and 13- crystal content were investigated by DSC and WAXD. It Was observed that the crystallization temperaturesof β-nucleated PP slightly decreased with increasing styrenic polymers content, especially ABS. Addition of styrenic polymers had no influence on melting characteristic of β-nucleated PP, and three meltingpeaks were observed. Although the content of β-crystal in β-nucleated PP blends slightly decreased with increasing styrenic polymers content, β-PP blends were obtained with β-crystal content above 80%.
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