Degradation of polycaprolactone/starch blends and composites with sisal fibre
By C. Franco, V. P. Cyras, J. P. Busalmen, R. Ruseckaite, Alexei Vazquez. 2004
189 citations recorded by the source corpus.
Abstract The susceptibility of polycaprolactone/starch (PCL/S) and sisal fibre-reinforced polycaprolactone/starch blends (SF-PCL/S) to different degrading environments was evaluated. The composites and the unfilled matrix showed hydrolytic stability at pH 7.2 at two different temperatures (25 °C and 40 °C). Fibres were stable under hydrolytic conditions and seemed to favour the entrance of water and then, the swelling and the hydrolysis of the starch (the most bio-available component). At higher fibre content, the composites become more hydrolytically stable probably due to the presence of a fibre–fibre physical network. Microbial attack in biotic aqueous medium was evidenced by the presence of a biofilm, especially on the fibre surface. In soil burial, PCL/S and 15%SF–PCL/S were degraded to about 50% of the initial mass. The weight loss pattern showed by the composite was associated with the presence of strong fibre–fibre and fibre–matrix interactions, which are absent in the neat matrix.
Subfields: Biomaterials, Polymers and Plastics
View Paper: https://www.semanticscholar.org/paper/1f057a0488f7f316c6e46b7ea52c7759aa83e9d4
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In Biomaterials
In Polymers and Plastics
Citations in the corpus
- A review on the degradability of polymeric composites based on natural fibres (2013, background): “***[31] [53] [55] It is important to identify the type of information required in order to choose the suitable test methods.”
- Starch-based completely biodegradable polymer materials (2009, background): “Moreover, the other properties of the blends such as hydrolytic stability, degradation rate, and compatibilization between PCL and starch are also improved [34, 35].”