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Morphology and Rheological Property of PLA/PCL Blend Compatibilized by Electron Beam Irradiation  

Shin, Boo-Young (School of Display and Chemical Engineering, Yeungnam University)
Cho, Baek-Hee (Department Ophthalmic Optics, Gimcheon College)
Hong, Ki-Heon (Department Ophthalmic Optics, Gimcheon College)
Kim, Bong-Shik (School of Display and Chemical Engineering, Yeungnam University)
Publication Information
Polymer(Korea) / v.33, no.6, 2009 , pp. 588-595 More about this Journal
Abstract
The aim of this study was to increase compatibility of immiscible PLA/PCL blend by using electron beam irradiation in the presence of glycidyl methacrylate (GMA). The blends of PLA/PCL containing GMA were irradiated at doses of 10, 50 and 100 kGy and then the irradiated samples were characterized by observing morphology and rheological properties. Blends irradiated with 50 and 100 kGy showed greatly improved interfacial adhesion between two phases in the morphology. Complex viscosity of PLA/PCL(9/1) blend irradiated at dose of 100 kGy was about 100 times higher than that of pure PLA. We found that the compatibility of immiscible PLA/PCL could be improved by electron beam irradiation in the presence of GMA from the investigation of morphology and rheology.
Keywords
poly (lactic acid); polycaprolactone; electron beam irradiation; compatibility; morphology;
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Times Cited By Web Of Science : 1  (Related Records In Web of Science)
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