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首页> 外文期刊>Journal of Applied Polymer Science >Characterization of epoxidized natural rubber/ethylene vinyl acetate (ENR-50/EVA) blend: Effect of blend ratio
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Characterization of epoxidized natural rubber/ethylene vinyl acetate (ENR-50/EVA) blend: Effect of blend ratio

机译：环氧化天然橡胶/乙烯乙酸乙烯酯（ENR-50 / EVA）共混物的表征：共混比的影响

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Epoxidized natural rubber/Ethylene vinyl acetate copolymer (ENR-50/EVA) blends with different ratios were prepared by using a Haake internal mixer. The effect of the blend ratio on the processing, tensile properties (such as tensile strength, elongation at break, Young's modulus and stress-strain behavior), morphology, dynamic mechanical properties, and thermal properties has been investigated. The tensile properties increase with the increase of EVA content, whereas the stabilization torque increases with the increase of ENR-50 content in the blend. In 40:60 and 50:50 blend of ENR-50/EVA, both the phases exist as continuous phases, producing a co-continuous morphology. At these blend ratio, the drastic change in properties were noted, indicating that the phase inversion occurs. The results on dynamic mechanical properties revealed that the blends are compatible. Blending of ENR-50 and EVA lead to the improvement in thermal stability and 50:50 blend ratios is the most stable blend. (c) 2005 Wiley Periodicals, Inc.
机译：使用Haake内部混合器制备具有不同比例的环氧天然橡胶/乙烯乙酸乙烯酯共聚物（ENR-50 / EVA）共混物。研究了共混比对加工，拉伸性能（例如拉伸强度，断裂伸长率，杨氏模量和应力-应变行为），形态，动态力学性能和热性能的影响。拉伸性能随EVA含量的增加而增加，而稳定扭矩随ENR-50含量的增加而增加。在ENR-50 / EVA的40:60和50:50混合物中，两个相均以连续相形式存在，从而产生共连续形态。在这些混合比下，注意到性质的急剧变化，表明发生了相转化。动态力学性能的结果表明该共混物是相容的。 ENR-50和EVA的共混可提高热稳定性，并且50:50的共混比例是最稳定的共混物。 （c）2005年Wiley Periodicals，Inc.

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