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Study of Super-toughening Modification of PA 6/POE/SWR-3A

Xiaoqiang Xu

Abstract

The effects of POE on the mechanical properties,thermotolerance and rheological properties of PA6 /POE/SWR-3A blends compatibilized by SWR-3A (POE-g-MAH) were studied.The results showed that the Izod notched impact strength of the blend enhanced with the increase of POE8150,but the tensile strength,Vicat softening point and apparent viscosity decreased in the presence of 12.5 phr SWR-3A.When the content of POE8150 was more than 12.5 phr,PA 6/POE/SWR-3A blend was super-toughed;SWR-3A had double effects of compatibilizing and toughening in PA 6/POE/SWR-3A blend.

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Key concepts: Vicat softening point, Toughening, Izod impact strength test, Materials science, Ultimate tensile strength, Composite material, Softening point, Rheology