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首页> 外文期刊>Journal of Applied Polymer Science >Microcellular foam of polymer blends of HDPE/PP and their composites with wood fiber
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Microcellular foam of polymer blends of HDPE/PP and their composites with wood fiber

机译：HDPE / PP及其混合物与木纤维的聚合物共混物的微孔泡沫

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摘要

In this study, the effects of batch processing conditions (foaming time and temperature) and blend composition as well as the effect of incorporating wood fiber into the blends on the crystallinity, sorption behavior of CO2 void fraction, and cellular morphology of microcellular foamed high-density polyethylene (HDPE) /polypropylene (PP) blends and their composites with wood fiber were studied. Blending decreased the crystallinity of HDPE and PP and facilitated microcellular foam production in blend materials. The void fraction was strongly dependent on the processing conditions and on blend composition. Foamed samples with a high void fraction were not always microcellular. The addition of wood fiber inhibited microcellular foaming. (C) 2003 Wiley Periodicals, Inc. [References: 20]
机译：在这项研究中，批处理条件（发泡时间和温度）和共混物的组成以及掺混木纤维对结晶度，CO2空隙率的吸附行为以及微孔泡沫高泡孔形态的影响。研究了高密度聚乙烯（HDPE）/聚丙烯（PP）共混物及其与木纤维的复合材料。共混降低了HDPE和PP的结晶度，并促进了共混材料中微孔泡沫的产生。空隙率很大程度上取决于加工条件和共混物组成。具有高空隙率的泡沫样品并不总是微孔的。木纤维的添加抑制了微孔泡沫。 （C）2003 Wiley Periodicals，Inc. [参考：20]

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