Polym. Bull. https://doi.org/10.1007/s00289-018-2392-0 ORIGINAL PAPER Properties and characterization of carboxymethyl cellulose/halloysite nanotube bio‑nanocomposite films: Effect of sodium dodecyl sulfate 1 1 1 Kathiravan Suppiah · Pei Leng Teh · Salmah Husseinsyah · Rozyanty Rahman Received: 26 December 2017 / Revised: 29 May 2018 / Accepted: 31 May 2018 © Springer-Verlag GmbH Germany, part of Springer Nature 2018 Abstract In this study, carboxymethyl cellulose/halloysite nanotube (CMC/HNT) bio-nanocomposite films were prepared by solution casting method. The effects of HNT content and chemical modification using sodium dodecyl sulfate (SDS) on the mechanical, morphological and thermal properties of CMC/HNT bio-nanocompos- ite films were analyzed. Fourier transmission infrared proved the chemical modifica - tion of HNT using SDS was successful. Increasing in HNT content had increased the tensile strength at optimum of 10 wt%. The modulus of elasticity and elongation at break were also increased. The SDS-treated bio-nanocomposites possessed higher mechanical properties compared to untreated bio-nanocomposites. The improve- ment of dispersion and interfacial interaction of HNT in CMC matrix were observed by field emission scanning electron microscopy images. For untreated samples, the XRD results showed that the peak intensity correlated with crystallinity increased and also increased the basal spacing at 10 wt% of HNT in the bio-nanocomposites. The SDS-treated bio-nanocomposites further increased
Polymer Bulletin – Springer Journals
Published: Jun 5, 2018
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