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http://dx.doi.org/10.12925/jkocs.2011.28.4.4

Effect of Grafted Polypropylene on the Mechanical Properties of Polypropylene/Nylon 66 Blends  

Han, Kyung-Yoon (Department of Chemical Engineering, Myongji University)
Ahn, Sung-Hwan (Department of Chemical Engineering, Myongji University)
Chung, Kwang-Bo (Department of Chemical Engineering, Hanseo University)
Publication Information
Journal of the Korean Applied Science and Technology / v.28, no.4, 2011 , pp. 402-409 More about this Journal
Abstract
Compatibility and properties of PP/N66 blends with or without PP-g-MAH as a compatibilizer were investigated by DSC, SEM and universal testing machine. Morphological studies revealed that PP and N66 were incompatible and addition of PP-g-MAH was very effective to enhance the compatibility between PP and N66. The compatibilization effect between N66 and PP-g-MAH was based on the reaction between the amine end group of N66 and anhydride group in PP-g-MAH. The crystallization and melting behavior of PP/N66 blends were investigated and the results of analyses for enthalpy changed were discussed. The Izod impact strength could be improved by optimizing the compatibilizer concentration. Tensile strength, elongation at break, notched Izod impact strength were increased with using compatibilizer, however, both the compatibilized and the noncompatibilizer blends did not show any big difference in the flexural modulus.
Keywords
maleic anhydride-grafted polypropylene (PP-g-MAH); PP/N66 blend; graft; Nylon 66; polypropylene;
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