Pareta, R; Edirisinghe, MJ; (2006) A novel method for the preparation of starch films and coatings. CARBOHYD POLYM , 63 (3) 425 - 431. 10.1016/j.carbpol.2005.09.018.
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Abstract
In this work, maize starch was used to demonstrate a novel method which enables the preparation of starch films and coatings with good thickness control. 5% starch in de-ionized water (w/v) was gelatinized at 120 degrees C for 30 min, subsequently small quantities of dispersant and ethanol were added and subjected to ultrasonic disruption to make a stable modified starch Solution. Electrohydrodynamic behavior of this Solution was studied and optimum conditions for film preparation were determined. The solution was then electrosprayed in the cone-jet mode and films were collected on a rotating plate. Film thickness was investigated by electron microscopy. Films of varying thickness were prepared by varying the electrospraying time and their characteristics are compared with solvent-cast films. (c) 2005 Elsevier Ltd. All rights reserved.
| Type: | Article |
|---|---|
| Title: | A novel method for the preparation of starch films and coatings |
| DOI: | 10.1016/j.carbpol.2005.09.018 |
| Keywords: | starch, electrohydrodynamic atomization, films, coatings, SEM, WAXY MAIZE STARCH, CONE-JET MODE, MECHANICAL-PROPERTIES, BARRIER PROPERTIES, SPRAY DEPOSITION, BREAK-UP, AMYLOSE, LIQUIDS, PERMEABILITY, PLASTICIZERS |
| UCL classification: | UCL > School of BEAMS > Faculty of Engineering Science > Mechanical Engineering |
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