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EISSN: 2313-3724, Print ISSN:2313-626X

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 Volume 4, Issue 12 (December 2017), Pages: 100-104


 Original Research Paper

 Title: Influence of SLES-layered double hydroxides on the mechanical and biodegradation properties of poly (lactic acid) nanocomposites

 Author(s): Siti Hasnawati Jamal 1, *, Ong Keat Khim 1, Noor Azilah Mohd Kasim 2, Mansor Ahmad 3, Wan Md Zin Wan Yunus 2


 1National Defence University of Malaysia, Department of Chemistry and Biology, Centre for Defence Foundation Studies, Kem Sg. Besi 57000 Kuala Lumpur, Malaysia
 2National Defence University of Malaysia, Department of Defence Science, Faculty of Defence Science and Technology, Kem Sg. Besi 57000 Kuala Lumpur, Malaysia
 3Universiti Putra Malaysia, Department of Chemistry, Faculty of Science, Serdang, 43400 Selangor, Malaysia

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Petroleum based polymers have great attention due to its excellent properties. Unfortunately, its uses give detrimental impacts to the health of our environment. Poly (lactic acid), PLA is recognised as one of the potential biodegradable polymers as it exhibits almost similar properties to non-biodegradable polymers. In this report, nanocomposites composed of PLA and sodium lauryl ether sulphate modified layered double hydroxides, SLES-LDH were prepared by solvent casting method to enhance PLA tensile strength. The pristine LDH used was synthesised by a co-precipitation method and then modified by surfactant via an anion exchange process. X-ray diffraction result showed LDH interlayer spacing increased from 8.10Å to 34.23Å indicated intercalation of the surfactant molecules into LDH was successfully carried out. The result of tensile strength test showed the addition of 1wt% of SLES-LDH in the PLA, improved 26% of its tensile strength compared to that of the pure sample. To study the presence of SLES-LDH on the product biodegradability, burial test was carried out. It reveals that PLA nanocomposites degrade faster than the starting polymer and the degradation is SLES-LDH content dependent. 

 © 2017 The Authors. Published by IASE.

 This is an open access article under the CC BY-NC-ND license (

 Keywords: Poly (lactic acid), Layered double hydroxides, Nanocomposites, Tensile strength, Biodegradability

 Article History: Received 25 March 2017, Received in revised form 15 August 2017, Accepted 25 September 2017

 Digital Object Identifier:


 Jamal SH, Khim OK, Kasim NAM, Ahmad M, and Yunus WMZW (2017). Influence of SLES-layered double hydroxides on the mechanical and biodegradation properties of poly (lactic acid) nanocomposites. International Journal of Advanced and Applied Sciences, 4(12): 100-104

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