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The Effect of the Parameters of T-RTM on the Properties of Polyamide 6 Prepared by in Situ Polymerization

机译：T-RTM参数对原位聚合制备聚酰胺6性能的影响

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摘要

With the rapid development of the automotive industry, there is also a significant need to improve the raw materials used. Therefore, the demand is increasing for polymer composites with a focus on mass reduction and recyclability. Thermoplastic polymers are preferred because of their recyclability. As the automotive industry requires mass production, they require a thermoplastic raw material that can impregnate the reinforcement in a short cycle time. The most suitable monomer for this purpose is caprolactam. It can be most efficiently processed with T-RTM (thermoplastic resin transfer molding) technology, during which polyamide 6 is produced from the low-viscosity monomer by anionic ring-opening (in situ) polymerization in a tempered mold with a sufficiently short cycle time. Manufacturing parameters, such as polymerization time and mold temperature, highly influence the morphological and mechanical properties of the product. In this paper, the properties of polyamide 6 produced by T-RTM are analyzed as a function of the production parameters. We determine the crystallinity and the residual monomer content of the samples and their effect on mechanical properties.
机译：随着汽车工业的快速发展，也非常需要改善所使用的原材料。因此，对聚合物复合材料的需求正在增加，重点是降低质量和可回收性。热塑性聚合物是优选的，因为它们具有可回收性。由于汽车工业需要大量生产，因此需要热塑性原材料，该原材料可以在短周期内浸渍增强材料。为此目的最合适的单体是己内酰胺。它可以通过T-RTM（热塑性树脂传递模塑）技术进行最有效的处理，在此过程中，低粘度单体通过阴离子开环（原位）聚合在回火模具中以足够短的循环时间由低粘度单体生产而成。诸如聚合时间和模具温度等制造参数会极大地影响产品的形态和机械性能。在本文中，分析了由T-RTM生产的聚酰胺6的性能与生产参数的关系。我们确定了样品的结晶度和残留单体含量及其对机械性能的影响。

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