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首页> 外文期刊>Journal of Plastic Film & Sheeting >Fluoropolymers provinde lower cost polymer processing aids
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Fluoropolymers provinde lower cost polymer processing aids

机译:含氟聚合物可提供低成本的聚合物加工助剂

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摘要

Fluoroelastomers are being used to improve processing and eliminate melt fracture in LLDPE blown film. Kynar and Kynar Flex Polymer Processing Aid (PPA) fluoropolymers have been developed as lower cost alternatives to the fluoroelastomer processing aids. This paper reviews rheological and blown film studies, which show that Kynar PPA performs better than or equal to other commercial polymer processing aids in reducing melt fracture and back pressure by migrating from the polyethylene melt and coating the metal of the die.
机译:含氟弹性体被用于改善加工工艺并消除LLDPE吹膜的熔体破裂。已经开发出Kynar和Kynar Flex聚合物加工助剂(PPA)含氟聚合物,作为含氟弹性体加工助剂的低成本替代品。本文回顾了流变学和吹膜研究,结果表明,Kynar PPA通过从聚乙烯熔体迁移并覆盖模具金属,在降低熔体破裂和背压方面表现出优于或等于其他商业聚合物加工助剂。

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