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Mechanical properties of blends of polycarbonate with unmodified and maleic anhydride grafted ABS

✍ Scribed by Balakrishnan, S.; Neelakantan, N. R.

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
310 KB
Volume
45
Category
Article
ISSN
0959-8103

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✦ Synopsis

Blends of polycarbonate/acrylonitrileÈbutadieneÈstyrene terpolymer (PC/ABS) and polycarbonate/maleic anhydride grafted ABS (PC/MABS) were prepared over the whole range of compositions using a single-screw extruder. Tensile, Γ‘exural, notched Izod impact properties, and the heat deΓ‘ection temperature of these blends were determined. Mechanical properties of PC/MABS blends are nearly equal to or higher than, those predicted by the rule of mixtures, whilst those of PC/ABS blends show nearly equal, or negative deviation, from the rule of mixtures. The notched impact strength of PC/MABS blends shows a positive blending e †ect and proportionate increase from 25 wt% PC to 75 wt% PC. Scanning electron micrographs were taken of etched surfaces of selective blends.

1998 SCI.

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