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首页> 外文期刊>Journal of Applied Polymer Science >Effect of Nylon 6 Inclusions on the Crystalline Morphology of Polypropylene-Nylon 6 Blends
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Effect of Nylon 6 Inclusions on the Crystalline Morphology of Polypropylene-Nylon 6 Blends

机译：尼龙6夹杂物对聚丙烯-尼龙6共混物结晶形态的影响

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摘要

Crystallization behavior and crystalline morphology of plain polypropylene (PP) and its blend with 0 to 30 wt % nylon 6 were studied by the hot-stage polarized light microscopy method. Radial growth rate and the size and number of PP spherulites were measured as a function of both the isothermal crystallization temperature and the nylon 6 content of the blend. The study revealed that a reduction in the isothermal crystallization temperature from 135 to 120deg C, for both the plain PP and its blend with nylon 6, leads to the formation of a large number of fast-growing, small spherulites. Moreover, the size and growth rate of PP spherulites decreased on increasing the nylon 6 content of the blend; whereas the number of PP spherulites decreased sharply on initial addition of 10% nylon 6 and, thereafter, increased slightly by further addition of nylon 6.
机译：通过热阶段偏振光显微镜法研究了纯聚丙烯（PP）及其与0至30 wt％尼龙6的共混物的结晶行为和结晶形态。测量了径向生长速率以及PP球晶的尺寸和数量，其是等温结晶温度和共混物中尼龙6含量的函数。研究表明，对于普通PP及其与尼龙6的共混物，等温结晶温度从135℃降低到120℃，会导致形成大量快速生长的小球晶。此外，随着共混物中尼龙6含量的增加，PP球晶的尺寸和生长速率降低。而PP球晶的数量在最初添加10％尼龙6时急剧下降，此后通过进一步添加尼龙6略有增加。

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