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Vol. 25 No. 9 (2013): Vol 25 Issue 9

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Miscibility, Thermal, Morphological and Mechanical Behaviour of Polycarbonate/poly(trimethylene terephthalate)blends with Poly(butylene adipate-co-terephthalate) as a Compatibilizer

https://doi.org/10.14233/ajchem.2013.F6
S.B. Kim
Department of Applied Chemical Engineering, Korea University of Technology and Education, Cheonan, Republic of Korea
H.R. Kim
Department of Applied Chemical Engineering, Korea University of Technology and Education, Cheonan, Republic of Korea
B.U. Nam
Department of Applied Chemical Engineering, Korea University of Technology and Education, Cheonan, Republic of Korea

Asian Journal of Chemistry, Vol. 25 No. 9 (2013): Vol 25 Issue 9

Abstract

The thermal, mechanical and morphological behaviour of polycarbonate (PC), poly(trimethylene terephthalate) (PTT) and poly(butylene adipate-co-terephthalate) (PBAT) polymer blends were investigated. Several blends were prepared by a melt mixing process using a twin-screw extruder. Dynamic mechanical analysis and field emission scanning electron microscopy showed that PC/PTT binary blends provide a compatible system. In the PC/PTT/PBAT ternary blends, poly(butylene adipate-co-terephthalate) led to improved compatibility. In particular, the PC20PTT80BA composition was a miscible system. The thermal degradation and mechanical properties were characterized by thermogravimetric analysis and a notched-izod impact test, respectively. The results showed that that poly(butylene adipate-co-terephthalate) plays an important role as a compatibilizer in PC/PTT/PBAT blends.

Keywords

Polycarbonate Poly(trimethylene terephthalate) Poly(butylene adipate-co-terephthalate) Compatibilizer
Kim, S., Kim, H., & Nam, B. (2013). Miscibility, Thermal, Morphological and Mechanical Behaviour of Polycarbonate/poly(trimethylene terephthalate)blends with Poly(butylene adipate-co-terephthalate) as a Compatibilizer. Asian Journal of Chemistry, 25(9), 5143–5146. https://doi.org/10.14233/ajchem.2013.F6
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