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Compatibility enhancement of ABS/polycarbonate blends

✍ Scribed by D. W. Jin; K. H. Shon; H. M. Jeong; B. K. Kim

Publisher: John Wiley and Sons
Year: 1998
Tongue: English
Weight: 990 KB
Volume: 69
Category: Article
ISSN: 0021-8995
DOI: 10.1002/(sici)1097-4628(19980718)69:3<533::aid-app13>3.0.co;2-u

No coin nor oath required. For personal study only.

✦ Synopsis

The effects of blend composition, melt viscosity of poly(acrylonitrile-butadiene-styrene) (ABS), and compatibilizing effect of poly(methyl methacrylate) (PMMA) on mechanical properties of ABS/polycarbonate (PC) blends at ABS-rich compositions were studied. As the content of PC was increased, impact strength and Vicat softening temperature (VST) were increased. As the melt viscosity of ABS was increased near to that of PC, finer distribution of dispersed PC phase and consequent enhanced impact strength and VST were observed. The compatibilizing effect of PMMA can be ascertained from the enhanced properties of 1 4 -inch notch impact strength, VST, tensile strength, and the morphology observed by a scanning electron microscope. The improved adhesion of the ABS/PC interface by PMMA changed the fracture mechanism and reduced the notch sensitivity of blends.

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