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http://dx.doi.org/10.12925/jkocs.2011.28.3.6

Preparation and Characterization of Polyamide/MEPDM Alloy to Improve a Low Temperature Impact Strength and Antistatic Property  

Lee, Soo (Department of Chemical Engineering, Changwon National University)
Jin, Seok-Hwan (Department of Chemical Engineering, Changwon National University)
Publication Information
Journal of the Korean Applied Science and Technology / v.28, no.3, 2011 , pp. 299-305 More about this Journal
Abstract
Alloys of nylon(PA6) and ethylene-propylene-diene polymer, modified with maleic anhydride(MEPDM) were prepared using a melt kneading process. This study focuses on the effects of the content of MEPDM in PA6 blend on the mechanical and thermal properties of such blends where MEPDM is the dispersed phase. Mechanical properties were examined by stress-strain measurements and impact strength test. Both impact strength of PA6/MEPDM at room temperature and at $-20^{\circ}C$ were improved up to 400-550% with the amounts of MEPDM. However, PA6/MEPDM containing 3-5 wt% of MEPDM showed the about $700kg_f/m^2$ of the maximum tensile strength but 8.5 % of the lowest elongation. For certain compositions of PA6 with rubbery MEPDM, the interesting reduction of elongation is caused by the reaction of the polyamide amine end groups with maleic anhydride portion in MEPDM, that provided a reinforcement in the PA6 matrix. In addition, the introduction of antistatic agent on the surface of alloys causes significant reduction of their surface electrostatic resistance.
Keywords
polyamide; MEPDM; low temperature impact strength; antistatic;
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Times Cited By KSCI : 4  (Citation Analysis)
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