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首页> 外文期刊>Journal of Applied Polymer Science >Multiwalled Carbon Nanotube Nucleated Crystallization Behavior of Biodegradable Poly(butylene succinate) Nanocomposites
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Multiwalled Carbon Nanotube Nucleated Crystallization Behavior of Biodegradable Poly(butylene succinate) Nanocomposites

机译：可生物降解的聚丁二酸丁二醇酯纳米复合材料的多壁碳纳米管成核结晶行为

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Poly(butylene succinate) (PBS) nanocomposites with multiwalled carbon nanotubes (MWNTs) prepared by melt compounding were studied for the effect of MWNT dispersion on the modulus and crystallization kinetics. The nucleating effect of the addition of 0.1 wt % MWNT to PBS was clearly demonstrated. Differential scanning calorimetry nonisothermal crystallization studies showed a clear decrease in the half-time of crystallization with increasing MWNT content in PBS/MWNT nanocomposites. It was observed with the Ozawa method that the Ozawa parameter values for the nanocomposites were lower than those for neat PBS, and this indicated that the crystal morphology was different. The storage modulus of the nanocomposites increased about 23% with the addition of only 0.1% MWNT in comparison with neat PBS, whereas the glass-transition temperature was unaltered. (C) 2008 Wiley Periodicals, Inc. J Appl Polym Sci 111: 2938-2945, 2009
机译：研究了熔融共混制备的具有多壁碳纳米管（MWNTs）的聚琥珀酸丁二酯（PBS）纳米复合材料对MWNT分散体对模量和结晶动力学的影响。清楚地证明了向PBS中添加0.1重量％的MWNT的成核作用。差示扫描量热法非等温结晶研究表明，随着PBS / MWNT纳米复合材料中MWNT含量的增加，结晶半衰期明显减少。用Ozawa方法观察到，纳米复合材料的Ozawa参数值低于纯PBS的Ozawa参数值，这表明晶体形态是不同的。与纯PBS相比，仅添加0.1％MWNT，纳米复合材料的储能模量提高了约23％，而玻璃化转变温度没有改变。 （C）2008 Wiley Periodicals，Inc. J Appl Polym Sci 111：2938-2945，2009

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