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The effect of processing conditions on the durability of polymer products

机译：加工条件对聚合物产品耐久性的影响

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The work discusses new possibilities of modifying the functionality of polymer products by changing their material structure during processing and consequently the time-dependent properties which define the durability of the final product. The research addresses two questions:rn1 does current industrial-scale polymer processing equipment allow processing in conditions which enhance the nonlinear processes during structure formationrn2 what is the magnitude of the structural changes and what, consequently, are the time-dependent mechanical and other physical properties of the final polymer product which can be achieved by changing processing conditions in the industrial environment.rnBy analysing the low density polyethylene (LDPE) extrudates produced with a laboratory extruder PolyLab OS, which simulates real industrial processing conditions, we observed that changing the processing conditions in the industrial environment improves the durability (time-dependency) of extrudates by several orders of magnitude. This opens new possibilities in the field of modifying the functionality of polymer products, and hence, better competitiveness on the world market.
机译：这项工作讨论了在加工过程中通过改变聚合物产品的材料结构来改变其功能的新可能性，从而讨论了随时间变化的特性，这些特性决定了最终产品的耐用性。该研究解决了两个问题：rn1当前的工业规模的聚合物加工设备是否允许在增强结构形成过程中非线性过程的条件下进行加工rn2结构变化的幅度是多少，因此随时间变化的机械和其他物理特性是什么通过分析在工业环境中改变加工条件可以获得的最终聚合物产品。通过分析由实验室挤出机PolyLab OS生产的低密度聚乙烯（LDPE）挤出物，该挤出物模拟真实的工业加工条件，我们观察到改变加工条件在工业环境中，挤出物的耐用性（时间依赖性）提高了几个数量级。这为修改聚合物产品的功能性，从而在世界市场上提高竞争力提供了新的可能性。

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