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首页> 外文期刊>Journal of Applied Polymer Science >Morphology of polyethylene blended with thermotropic hydroxyethyl cellulose acetate
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Morphology of polyethylene blended with thermotropic hydroxyethyl cellulose acetate

机译：聚乙烯与热熔羟乙基纤维素乙酸酯共混的形态

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Morphology of low-density polyethylene (PE)/thermotropic hydroxyethyl cellulose acetate (HECA) blends, and the melting and crystallization behavior of PE in the blends were studied. The "sea island" morphology was observed in PE/HECA blends. The process of melting and crystallization of PE in blends was independent of the HECA fraction when the PE fraction was larger than 50 wt %. When the PE fraction is smaller than 20 wt %, however, multiple crystallization was observed in the low temperature region. HECA was incompatible with PE crystals in the blends, but partially compatible with the amorphous part of PEI HECA could exist between the PE lamellae in PE spherulites, and concentric ring morphology was observed in spherulites. (C) 1998 John Wiley & Sons, Inc. [References: 5]
机译：研究了低密度聚乙烯（PE）/热塑性羟乙基纤维素乙酸酯（HECA）共混物的形态，并研究了PE在共混物中的熔融和结晶行为。在PE / HECA共混物中观察到“海岛”形态。当PE分数大于50 wt％时，PE在共混物中的熔融和结晶过程与HECA分数无关。然而，当PE分数小于20重量％时，在低温区域中观察到多次结晶。 HECA与共混物中的PE晶体不相容，但与PEI的无定形部分相容HECA可能存在于PE球晶的PE薄片之间，并且在球晶中观察到同心环形态。 （C）1998 John Wiley＆Sons，Inc. [参考：5]

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