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首页> 外文期刊>Journal of Applied Polymer Science >Laminar morphology development using hybrid EVOH-nylon blends
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Laminar morphology development using hybrid EVOH-nylon blends

机译：使用混合EVOH-尼龙混合物的层状形态发展

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摘要

Properties of blends having two types of hybrid dispersed phases as laminar morphology were investigated. The hybrid dispersed phases were prepared by preblending nylon and ethylene-vinyl alcohol (EVOH) in solid state (E + N) and in melt state (E/N). Oxygen and toluene barrier properties through the hybrid-dispersed phases in low-density polyethylene (LDPE) matrix were analyzed considering the morphological changes (number and size of layers). Oxygen barrier properties of the blends of LDPE E + N hybrid dispersed phase having separate domains of nylon and EVOH were found to be linearly dependent on EVOH composition in the blend, but toluene barrier properties of the blends exhibited negative deviation. The other hybrid dispersed phase (E/N) in LDPE matrix, having comingled dispersed phase of nylon and EVOH, exhibited positive deviations in both oxygen and toluene barrier properties. Tensile properties also showed positive deviation. Basic studies on the melt blend (E/N) of EVOH and nylon 6 showed some miscibility, which was revealed from melting point depression, and positive deviation in complex viscosity and tensile properties of the blend. (C) 1998 John Wiley & Sons, Inc. [References: 28]
机译：研究了具有两种混合分散相的层流形态的共混物的性能。杂化分散相是通过将固态（E + N）和熔融态（E / N）的尼龙和乙烯-乙烯醇（EVOH）预混制备的。考虑到形态变化（层数和大小），分析了低密度聚乙烯（LDPE）基体中杂化分散相的氧和甲苯阻隔性能。发现具有尼龙和EVOH的独立域的LDPE E + N杂化分散相的共混物的氧气阻隔性能线性依赖于共混物中的EVOH组成，但是共混物的甲苯阻隔性能表现出负偏差。 LDPE基质中的另一种杂化分散相（E / N），具有尼龙和EVOH的混合分散相，在氧气和甲苯的阻隔性能上均显示出正偏差。拉伸性能也显示出正偏差。对EVOH和尼龙6的熔融共混物（E / N）的基础研究显示出一些可混溶性，这从熔点降低以及该共混物的复数粘度和拉伸性能的正偏差中可以看出。 （C）1998 John Wiley＆Sons，Inc. [参考：28]

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