Mechanical properties of ternary blends of ABS + HIPS + PETG

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Authors

Focke, Walter Wilhelm
Joseph, Susan
Grimbeek, J. (Jackie)
Summers, Gabriel J.
Kretzschmar, Bernd

Journal Title

Journal ISSN

Volume Title

Publisher

Taylor & Francis

Abstract

The effect of a commercial styrene/butadiene/styrene-based compatibilizer (Styroflex) on the tensile and impact properties of ternary blends of poly(acrylonitrile-co-butadiene-co-styrene) (ABS), high impact poly(styrene) (HIPS) and poly(ethylene terephthalate-cocyclohexanedimethanol terephthalate) (PETG) was investigated. The tensile yield strengths and the moduli of the blends were of similar magnitude as the parent polymers. However, notched Charpy impact properties showed significant deviations with high synergy in ABS/PETG blends and strong antagonism in HIPS/PETG blends. Addition of Styroflex improved the impact properties of all blends containing HIPS and ABS. Dynamic mechanical analysis studies confirm the phase separated nature of ABS/PETG binary blends.

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Keywords

ABS, High impact poly(styrene) (HIPS), Poly(ethylene terephthalate-cocyclohexanedimethanol terephthalate) (PETG), Polymer blends, Charpy impact strength

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Citation

Focke, WW, Joseph, S, Grimbeek, J, Summers, GJ & Kretzschmar, B 2009, 'Mechanical properties of ternary blends of ABS + HIPS + PETG', Polymer-Plastics Technology and Engineering, vol. 48, no. 8, pp. 814-820. [http://dx.doi.org/10.1080/03602550902994862]