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process for the production of thermoplastic polyamidzusammensetzungen with increased schmelzfluss and resulting article
process for the production of thermoplastic polyamidzusammensetzungen with increased schmelzfluss and resulting article
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机译:schmelzfluss的热塑性聚酰胺酰胺的生产方法及其所得制品
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摘要
A process for preparing thermoplastic polyamide compositions that exhibit decreased melt flow and similar physical properties in comparison with conventional systems, in which polyamide is melt-blended with at least one organic acid, and, optionally, one or more additional components, such that the organic acid has a melting point that is no lower than about 10° C. less than the onset temperature of the melting point endotherm of the polyamide. The process results in decreased levels of corrosion and erosion of standard processing equipment in comparison with other processes for decreasing the melt flow while maintaining the physical properties of thermoplastic polyamide compositions. Articles of manufacture made according to the instant process and composition described therein are also disclosed.
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