Reactive extrusion for thermoplastic starch-polymer blends

Maliger, R. B. and Halley, Peter J. (2014). Reactive extrusion for thermoplastic starch-polymer blends. In Peter J. Halley and Luc R. Avérous (Ed.), Starch Polymers: From Genetic Engineering to Green Applications (pp. 291-315) Burlington, MA, USA: Elsevier. doi:10.1016/B978-0-444-53730-0.00030-0

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Author Maliger, R. B.
Halley, Peter J.
Title of chapter Reactive extrusion for thermoplastic starch-polymer blends
Title of book Starch Polymers: From Genetic Engineering to Green Applications
Place of Publication Burlington, MA, USA
Publisher Elsevier
Publication Year 2014
Sub-type Research book chapter (original research)
DOI 10.1016/B978-0-444-53730-0.00030-0
Open Access Status
ISBN 9780444537300
Editor Peter J. Halley
Luc R. Avérous
Chapter number 11
Start page 291
End page 315
Total pages 25
Total chapters 15
Collection year 2015
Language eng
Formatted Abstract/Summary
This chapter briefly reviews reactive extrusion developments for thermoplastic starch polymers. Then, a case study for thermoplastic starch polymer/biopolyester nanocomposite blend will be examined. In this example, maleic anhydride and dicumyl peroxide were used as cross-linking agent and initiator, respectively, for blending starch and a biodegradable synthetic aliphatic polyester using reactive extrusion. Blends were characterized using dynamic mechanical and thermal analysis. Optical micrographs of the blends revealed that in the optimized blend, starch was evenly dispersed in the polymer matrix. Optimized blends exhibited better tensile properties than the uncompatibilized blends. X-ray photoelectron spectroscopy supported the proposed structure for the starch-polyester complex. Variation in the compositions of cross-linking agent and initiator had an impact on the properties and color of the blends.
Keyword Compatibilization
Maleic anhydride
Q-Index Code B1
Q-Index Status Confirmed Code
Institutional Status UQ

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Created: Fri, 14 Mar 2014, 09:10:52 EST by Cathy Fouhy on behalf of School of Chemical Engineering