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Non-crosslinked linear low density polyethylene preexpanded particles
Non-crosslinked linear low density polyethylene preexpanded particles
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机译:非交联的线性低密度聚乙烯预发泡颗粒
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摘要
Resin particles made from a resin mixture of 30 to 70 wt% of a linear low-density polyethylene I having a resin density of 0.930 to 0.935 g/cm3 and an MI of 1 g/10 minutes or higher and 70 to 30 wt% of a linear low-density polyethylene II having a resin density of 0.915 to 0.925 g/cm3 and an MI of 2 g/10 minutes or higher are impregnated under pressurization with a volatile expansion agent, and released into a low-pressure atmosphere to yield non-crosslinked linear low density polyethylene preexpanded particles, which, when subjected to expansion molding inside a mold, exhibit good moldability, and yield molded articles that have an attractive external appearance and exhibit outstanding cushioning properties.
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机译:由树脂密度为0.930至0.935 g / cm 3 Sup>和MI为1 g / 10分钟的线性低密度聚乙烯I的30至70重量%的树脂混合物制成的树脂颗粒在加压下,将70%至30wt%的树脂密度为0.915至0.925g / cm 3 Sup>且MI为2g / 10分钟或更高的线性低密度聚乙烯II浸渍。挥发性膨胀剂,并释放到低压气氛中以产生非交联的线性低密度聚乙烯预发泡颗粒,当在模具内进行发泡成型时,该成型颗粒具有良好的成型性,并产生具有吸引人的外观的成型品并具有出色的缓冲性能。
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