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Rheological, Mechanical and Morphological Properties of Poly(acrylonitrile-butadiene-styrene)/Polycarbonate Blends with ABS-g-MAH  

Song, Ki-Heon (Department of Chemical Biological Engineering, Korea University)
Hong, John-Hee (Department of Chemical Biological Engineering, Korea University)
Sung, Yu-Taek (Department of Chemical Biological Engineering, Korea University)
Kim, Youn-Hee (Department of Chemical Biological Engineering, Korea University)
Han, Mi-Sun (Department of Chemical Biological Engineering, Korea University)
Yoon, Ho-Gyu (Department of Materials Science, Korea University)
Kim, Woo-Nyon (Department of Chemical Biological Engineering, Korea University)
Publication Information
Polymer(Korea) / v.31, no.4, 2007 , pp. 283-288 More about this Journal
Abstract
Polymer blends containing poly(acrylonitrile-butadiene-styrene) (ABS) and polycarbonate(PC) (70/30, wt%) with compatibilizer were prepared using twin screw extruder. Compatibilizers were prepared by reactive extrusion with the ABS, maleic anhydride(MAH) and dicumyl peroxide(DCP) using twin screw extruder In the ABS/PC (70/30) blends, tensile strength did not change significantly, but increased from 52.25 to 55.03 MPa when the ABS-g-MAH was added in the amount of 5 phr. From the results of rheological properties, storage modulus of the ABS/PC/ABS-g-MAH blends at low frequencies showed lager value than that of the ABS/PC(70/30) blend. From the results of the morphological properties of the ABS/PC(70/30) blend, it was observed that the drop size of the PC ranged from 1.2 to $1.5\;{\mu}m$ and did not change significantly with the addition of the ABS-g-MAH($1{\sim}10\;phr$). From the results of the storage modulus, complex viscosity, and tensile strength of the ABS/PC (70/30) blends, it is found that the ABS-g-MAH is an effective compatibilizer in the ABS/PC (70/30) blends when the ABS-g-MAH is added in the amount of 5 phr.
Keywords
ABS/PC blend; ABS-g-MAH; reactive extrusion; morphology; rheology;
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