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首页> 外文期刊>Journal of Applied Polymer Science >Migration and performance of erucamide slip additive in high-density polyethylene bottle caps
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Migration and performance of erucamide slip additive in high-density polyethylene bottle caps

机译：高密度聚乙烯瓶盖中伊索胺滑动添加剂的迁移和性能

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摘要

Diffusion of erucamide and their morphology on surface characteristics of high-density polyethylene (HDPE) screw caps depend on storage conditions. Erucamide performance relies on its amount, distribution, and consistency on the surface of HDPE. Specific application and removal torques can be achieved by controlling the amount of erucamide on the surface. The surface amount and the torque increased to an optimum level at 38 and 50 degrees C within 120hours of incubation, while they remained unchanged for lower temperatures. Erucamide diffused to the surface and formed flat plate-like crystal structures at similar time and temperature. These flat-plates can slide over each other and provide the slip required to decrease the torque. An increase in contact angle demonstrated that hydrophobic hydrocarbon-chains of amide slip additives were oriented toward the air interface. An optimum surface amount of erucamide for proper sealing torque could be produced at a different combination of storage time and temperature. (c) 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 46822.
机译：伊茅胺的扩散及其在高密度聚乙烯（HDPE）螺帽的表面特征上的形态取决于储存条件。伊硫胺化性能依赖于HDPE表面的其量，分布和一致性。通过控制表面上的芥酸酰胺量可以实现特异性施用和去除扭矩。表面量和扭矩在孵育120hour的120小时内增加到38和50摄氏度的最佳水平，而它们保持不变以较低的温度。伊越酰胺在类似的时间和温度下扩散到表面并形成平板状晶体结构。这些平板可以彼此滑动并提供减少扭矩所需的滑动。接触角的增加表明，酰胺滑溶添加剂的疏水性烃链朝向空气界面取向。用于适当的密封扭矩的最佳表面量可以在储存时间和温度的不同组合中产生。 （c）2018 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2018,135,46822。

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