纺丝用聚丙烯中固体杂质的分析

The Analysis of Solid Impurities in PP for High——Speed Spinning

高速纺丝级 PP 中的固体杂质经常造成喷头滤网堵塞,并因此影响纤维产品的质量。本文用扫描电子显微镜和 X 光能谱仪对滤网堵塞物、添加剂硬脂酸钙及纺丝成品中存在的固体杂质进行了分析研究。得到了上述杂质的元素定性、定量、表面形态及微区分析的详细数据。讨论了这些污染物的来源及其对纤维成品质量的影响,并就这些问题的解决提出了建议。

The solid impurities in PP for high-speed spinning often cause seriousblock of the nozzle filter and therefore have influence on the quality of thefibre products.In present Paper,the blocked material in nozzle filter,calci-um stearate added and the solid impuritirs in fibre products have been inves-tigated with SEM—EDS.The results of qualitative and quantitative elementanalyses,morphology and micro—domain analysis of the solid impurities wereobtained The origins of the contaminations and their effects on the qua—lity of the fibre products were discussed and the remedies also were sugges-ted.