2014
DOI: 10.1002/app.41341
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Preparation and characterization of plasticized starch/halloysite porous nanocomposites possibly suitable for biomedical applications

Abstract: Novel porous bionanocomposites based on halloysite nanotubes as nanofillers and plasticized starch as polymeric matrix were successfully prepared by melt-extrusion. Foaming was obtained by adding water as natural blowing agent, and by increasing the die temperature. Both the expansion ratio and the porosity increase with increasing die temperature. Addition of high water content allows reducing the foaming temperature. Moreover, the introduction of halloysite has double benefits: these fillers act both as a nu… Show more

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Cited by 39 publications
(21 citation statements)
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“…The crystalline structure of HNTs comprises -OH groups in tetrahedral silicon-oxygen sheets and other -OH groups in octahedral aluminium-oxygen sheets ( Figure 20) [51,[148][149][150][151] . In general, the incorporation of HNTs into continuous polymer matrices greatly improves thermal stability, barrier and mechanical properties of resulting nanocomposites.…”
Section: Pva/hnt Nanocompositesmentioning
confidence: 99%
“…The crystalline structure of HNTs comprises -OH groups in tetrahedral silicon-oxygen sheets and other -OH groups in octahedral aluminium-oxygen sheets ( Figure 20) [51,[148][149][150][151] . In general, the incorporation of HNTs into continuous polymer matrices greatly improves thermal stability, barrier and mechanical properties of resulting nanocomposites.…”
Section: Pva/hnt Nanocompositesmentioning
confidence: 99%
“…with the particle length between 500 nm-1.2 µm and diameter less than 100 nm. HNTs have a wide range of applications for medical science and material packaging due to their nontoxicity and biocompatibility nature [52,53]. Generally, it is used with starch to improve the material performance.…”
Section: Starch/clay Nanocompositesmentioning
confidence: 99%
“…A good alternative of solution processing is the melt one, that is particularly useful for thermoplastic and rubber materials. Starches, for example, can be produced by melt-extrusion, a continuous, more productive, easy, and economic process (Schmitt et al, 2015b).…”
Section: Hnt-biopolymer Nanocomposite Formationmentioning
confidence: 99%