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介绍了PA 6熔体后缩聚反应工艺 ,该工艺可简化流程 ,省略反应水抽提和湿粒料干燥工序 ,降低生产成本和能耗。
The PA 6 melt post-polycondensation reaction process is introduced, which simplifies the process, omits the reaction water extraction and the wet granulation drying process, and reduces the production cost and energy consumption.