Article Dans Une Revue Journal of Plastic Film and Sheeting Année : 2006

An Overview of Starch-Based Plastic Blends from Reactive Extrusion

Résumé

The North American market for biodegradable plastics in 2005 was estimated to be around 60 million pounds (27 kt). Starch-based polymer blends were expected to account for 30 million pounds (14 kt) with significantly lower growth rates than other biodegradable polymers such as polyesters. The main hurdle in the growth of starch-based products is the thermodynamic immiscibility and non-wetting of starch with other polymers which leads to serious deterioration of mechanical properties at >25–30 wt% starch. Higher amounts of starch in the blends entail adding suitable functional groups on starch and other polymers in the blend to make them more compatible. The primary challenge is to develop fast reaction chemistries that can be transformed into viable processes and integrated into existing process lines with economically viable formulations. This article briefly reviews some of the most promising chemistries available for the reactive extrusion of starch-based polymer blends (biodegradable/non-biodegradable).

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hal-00572068 , version 1 (01-03-2011)

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Sathya Kalambur, Syed S. H. Rizvi. An Overview of Starch-Based Plastic Blends from Reactive Extrusion. Journal of Plastic Film and Sheeting, 2006, 22 (1), pp.39-58. ⟨10.1177/8756087906062729⟩. ⟨hal-00572068⟩

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