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首页> 外文期刊>Journal of Applied Polymer Science >Influence of stretching on the resilience of LLDPE monofilaments for application in artificial turf
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Influence of stretching on the resilience of LLDPE monofilaments for application in artificial turf

机译：拉伸对LLDPE单丝在人造草皮中回弹性的影响

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摘要

Polymeric filaments have been used successfully in artificial turf, however lack of resilience and excessive fibrillation are still the main problems encountered on artificial turf fields and especially when used for football. Resilience is the ability to recover rapidly from a deformation, especially from a bending deformation. FIFA and EN standards recognize the 0.8 m-Lisport for predicting filament behavior, but this method does not provide any information concerning the resilience of individual filaments. Furthermore, it is merely a qualitative method that only assesses the system in its entirety. The research presented in this article is twofold, first to develop a test method to assess the resilience of a single filament and to correlate with the established methodology, dynamic bending by Favimat R. Second to characterize fiber morphology and to correlate the morphology characteristics with the resilience measurements. A good correlation of the static bending with dynamic bending is obtained and both test methods provide valuable information about the influence of the processing parameters on the resilience. Dynamic scanning calorimetry, Raman and WAXS measurements clearly prove the influence of the structure and more specifically of the amorphous phase on the resilience.
机译：聚合物长丝已经成功地用于人造草皮，但是缺乏弹性和过度原纤化仍然是人造草皮领域尤其是用于足球时遇到的主要问题。弹性是从变形，特别是从弯曲变形快速恢复的能力。 FIFA和EN标准认可0.8 m-Lisport来预测细丝行为，但是这种方法没有提供有关单个细丝回弹力的任何信息。此外，它只是一种定性方法，只能对系统进行整体评估。本文介绍的研究有两个方面，首先是开发一种测试方法来评估单根细丝的回弹力，并与已建立的方法相关联，即Favimat R进行的动态弯曲。其次是表征纤维形态并将形态特征与纤维形态相关联。弹性测量。获得了静态弯曲与动态弯曲的良好相关性，并且两种测试方法都提供了有关加工参数对弹性的影响的有价值的信息。动态扫描量热法，拉曼和WAXS测量清楚地证明了结构的影响，更具体地说是非晶相对回弹性的影响。

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