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首页> 外文期刊>Journal of Applied Polymer Science >Fractionated crystallization of dispersed PA6 phase of PP/PP-g-MAH/PA6 blends
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Fractionated crystallization of dispersed PA6 phase of PP/PP-g-MAH/PA6 blends

机译：PP / PP-g-MAH / PA6共混物的分散PA6相的分步结晶

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摘要

Fractionated crystallization behavior of dispersed PA6 phase in PP/PA6 blends compatibilized with PP-g-MAH was investigated by scanning electron microscopy (SEM), differential scanning calorimeter (DSC), polarized light microscopy (PLM), and wide-angle X-ray diffraction (WAXD) in this work. The lack of usual active heterogeneities in the dispersed droplet was the key factor for the fractionated crystallization of PA6. The crystals formed with less efficient nuclei might contain more defects in the crystal structures than those crystallized with the usual active nuclei. The lower the crystallization temperature, the lesser the perfection of the crystals and the lower crystallinity would be. The fractionated crystallization of PP droplets encapsulated by PA6 domains was also observed. The effect of existing PP-g-MAH-g-PA6 copolymer located at the interface on the fractionated crystallization could not be detected in this work. (C) 2004 Wiley Periodicals, Inc. [References: 29]
机译：通过扫描电子显微镜（SEM），差示扫描量热仪（DSC），偏振光显微镜（PLM）和广角X射线研究了与PP-g-MAH相容的PP / PA6共混物中PA6分散相中PA6相的分步结晶行为。衍射（WAXD）。分散液滴中缺乏通常的活性异质性是PA6分步结晶的关键因素。与用常规活性核结晶的那些相比，具有较低效率的核形成的晶体在晶体结构中可能包含更多的缺陷。结晶温度越低，晶体的完整性越差，结晶度越低。还观察到PA6域包裹的PP液滴的分级结晶。在这项工作中无法检测到位于界面处的现有PP-g-MAH-g-PA6共聚物对分馏结晶的影响。 （C）2004 Wiley Periodicals，Inc. [参考：29]

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