橡胶型氯化聚乙烯/聚乙烯-辛烯弹性体共混发泡材料的性能研究

China Rubber Industry(2018)

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Abstract
采用模压化学发泡法制备不同共混比橡胶型氯化聚乙烯(CM)/聚乙烯-辛烯弹性体(POE)发泡材料,研究其泡孔结构和物理性能.结果表明:不同共混比CM/POE发泡材料均具有闭孔结构;随着POE用量增大,共混发泡材料的泡孔直径先减小后增大,泡孔由扁平塌陷不均匀分布变为富有立体感的均匀分布,泡孔壁增厚,邵尔C型硬度和压缩强度增大,拉断伸长率减小,100%定伸应力和拉伸强度先增大后减小,回弹值轻微波动.
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