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首页> 外文期刊>Journal of Applied Polymer Science >Novel approach to fibrillation of LCP in an LCP/PP blend
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Novel approach to fibrillation of LCP in an LCP/PP blend

机译：LCP / PP共混物中LCP的原纤化新方法

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A novel concept of improving shear-induced fibrillation of liquid crystalline polymer (LCP) in LCP/thermoplastic blend systems was introduced. Silica fillers (SiO2) were added to an LCP/polypropylene (PP) system to serve as a viscosity thickening agent and to improve the fibrillation of the LCP phase. The formation of LCP fibrils was found to enhance with the incorporation of 5-15 wt % of fillers. The presence of LCP fibrils improved the flow properties of the LCP/PP/SiO2 Composites' It was evident from the rheological and morphological studies that the addition of silica led to an increase of the aspect ratio of the LCP fibrils, which, in turn, should improve their effectiveness as reinforcements and/or toughening agents. Substantial improvement in LCP aspect ratio was achieved by the introduction of hydrophobic SiO2 fillers in the PP/LCP blends. (C) 2002 Wiley Periodicals, Inc. [References: 31]
机译：引入了改善LCP /热塑性共混体系中液晶聚合物（LCP）的剪切诱导原纤化的新概念。将二氧化硅填料（SiO2）添加到LCP /聚丙烯（PP）系统中，以用作粘度增稠剂并改善LCP相的原纤化。发现LCP原纤维的形成随着5-15重量％的填料的掺入而增强。 LCP原纤维的存在改善了LCP / PP / SiO2复合材料的流动性能。从流变学和形态学研究可以明显看出，二氧化硅的加入导致LCP原纤维长径比的增加，进而，应提高其作为增强剂和/或增韧剂的有效性。通过在PP / LCP共混物中引入疏水性SiO2填料，LCP长宽比得到了显着改善。 （C）2002 Wiley Periodicals，Inc. [参考：31]

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