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Lookup NU author(s): Dr Kheng-Lim GohORCiD
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© 2021 Elsevier Ltd. Cross-linking is often performed to overcome the weak mechanical properties of native polymer films in order to expand their functional properties and applications. While this approach offers enhanced strength to the film, the film also suffers from low flexibility, low toughness and high brittleness. However, in view of the growing demand for strong and tough transparent thin films, this article reported our study to develop films made from cellulose nanofiber (CNF) via tailoring the interfacial bonding interactions through the application of glycerol (Gly) and glutaraldehyde (GA), which functioned as a plasticizer and cross-linking agent, respectively. Among the prepared films, the 10GA-8Gly-CNF film exhibited the best results with regard to the enhancement in the tensile strength (21.1%), Young's modulus (10.6%), elongation at break (100%) and toughness (32.7%), as compared to the native CNF film. Importantly, treating the surface of the film to radiofrequency oxygen plasma endowed the film with antifogging property, without compromising the optical clarity.
Author(s): Roy S, Ghosh BD, Goh KL, Muthoka RM, Kim J
Publication type: Article
Publication status: Published
Journal: Carbohydrate Polymers
Print publication date: 15/02/2022
Online publication date: 06/12/2021
Acceptance date: 30/11/2021
ISSN (print): 0144-8617
ISSN (electronic): 1879-1344
Publisher: Elsevier Ltd
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