The mechanical, thermal and morphological properties of graphene nanoplatelets filled poly(lactic acid)/epoxidized palm oil blends / Buong Woei Chieng ... [et al.]

Poly(lactic acid) (PLA)-based nanocomposites filled with graphene nanoplatelets (xGnP) that contains epoxidized palm oil (EPO) as plasticizer were prepared by melt blending method. PLA was first plasticized by EPO to improve its flexibility and thereby overcome its problem of brittleness. Then, xGnP...

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Main Authors: Buong, Woei Chieng, Ibrahim, Nor Azowa, Wan Yunus, Wan Md Zin, Hussein, Mohd Zobir
Format: Article
Language:English
Published: Research Management Institute (RMI) 2014
Subjects:
Online Access:https://ir.uitm.edu.my/id/eprint/12426/
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author Buong, Woei Chieng
Ibrahim, Nor Azowa
Wan Yunus, Wan Md Zin
Hussein, Mohd Zobir
author_facet Buong, Woei Chieng
Ibrahim, Nor Azowa
Wan Yunus, Wan Md Zin
Hussein, Mohd Zobir
author_sort Buong, Woei Chieng
building UiTM Institutional Repository
collection Online Access
description Poly(lactic acid) (PLA)-based nanocomposites filled with graphene nanoplatelets (xGnP) that contains epoxidized palm oil (EPO) as plasticizer were prepared by melt blending method. PLA was first plasticized by EPO to improve its flexibility and thereby overcome its problem of brittleness. Then, xGnP was incoporated into plasticized PLA to enhance its mechanical properties. Plasticized and nanofilled PLA nanocomposites (PLA/EPO/xGnP) showed improvement in the elongation at break by 3322% and 61% compared to pristine PLA and PLA/EPO, respectively. The use of EPO and xGnP increases the mobility of the polymeric chains, thereby improving the flexibility and plastic deformation of PLA. The nanocomposites also resulted in an increase of up to 26.5% in the tensile strength compared with PLA/EPO blend. XRD pattern showed the presence of peak around 26.5° in PLA/EPO/xGnP nanocomposites which corresponds to characteristic peak of graphene nanoplatelets. Plasticized PLA reinforced with xGnP showed that increasing the xGnP content triggers a substantial increase in thermal stability. Crystallinity of the nanocomposites as well as cold crystallization and melting temperature did not show any significant changes upon addition of xGnP. However, there was a significant decrease of glass transition temperature up to 0.3wt% of xGnP incorporation. The TEM micrograph of PLA/EPO/xGnP shows that the xGnP was uniformly dispersed in the PLA matrix and no obvious aggregation was observed.
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spelling uitm-124262023-04-27T07:47:06Z https://ir.uitm.edu.my/id/eprint/12426/ The mechanical, thermal and morphological properties of graphene nanoplatelets filled poly(lactic acid)/epoxidized palm oil blends / Buong Woei Chieng ... [et al.] srj Buong, Woei Chieng Ibrahim, Nor Azowa Wan Yunus, Wan Md Zin Hussein, Mohd Zobir Carbon disulfide. Graphene. Carbon Polylactic acid Plasticizers Poly(lactic acid) (PLA)-based nanocomposites filled with graphene nanoplatelets (xGnP) that contains epoxidized palm oil (EPO) as plasticizer were prepared by melt blending method. PLA was first plasticized by EPO to improve its flexibility and thereby overcome its problem of brittleness. Then, xGnP was incoporated into plasticized PLA to enhance its mechanical properties. Plasticized and nanofilled PLA nanocomposites (PLA/EPO/xGnP) showed improvement in the elongation at break by 3322% and 61% compared to pristine PLA and PLA/EPO, respectively. The use of EPO and xGnP increases the mobility of the polymeric chains, thereby improving the flexibility and plastic deformation of PLA. The nanocomposites also resulted in an increase of up to 26.5% in the tensile strength compared with PLA/EPO blend. XRD pattern showed the presence of peak around 26.5° in PLA/EPO/xGnP nanocomposites which corresponds to characteristic peak of graphene nanoplatelets. Plasticized PLA reinforced with xGnP showed that increasing the xGnP content triggers a substantial increase in thermal stability. Crystallinity of the nanocomposites as well as cold crystallization and melting temperature did not show any significant changes upon addition of xGnP. However, there was a significant decrease of glass transition temperature up to 0.3wt% of xGnP incorporation. The TEM micrograph of PLA/EPO/xGnP shows that the xGnP was uniformly dispersed in the PLA matrix and no obvious aggregation was observed. Research Management Institute (RMI) 2014 Article PeerReviewed text en https://ir.uitm.edu.my/id/eprint/12426/2/12426.pdf Buong, Woei Chieng and Ibrahim, Nor Azowa and Wan Yunus, Wan Md Zin and Hussein, Mohd Zobir (2014) The mechanical, thermal and morphological properties of graphene nanoplatelets filled poly(lactic acid)/epoxidized palm oil blends / Buong Woei Chieng ... [et al.]. (2014) Scientific Research Journal <https://ir.uitm.edu.my/view/publication/Scientific_Research_Journal.html>, 11 (2). pp. 1-13. ISSN 1675-7009 https://srj.uitm.edu.my/
spellingShingle Carbon disulfide. Graphene. Carbon
Polylactic acid
Plasticizers
Buong, Woei Chieng
Ibrahim, Nor Azowa
Wan Yunus, Wan Md Zin
Hussein, Mohd Zobir
The mechanical, thermal and morphological properties of graphene nanoplatelets filled poly(lactic acid)/epoxidized palm oil blends / Buong Woei Chieng ... [et al.]
title The mechanical, thermal and morphological properties of graphene nanoplatelets filled poly(lactic acid)/epoxidized palm oil blends / Buong Woei Chieng ... [et al.]
title_full The mechanical, thermal and morphological properties of graphene nanoplatelets filled poly(lactic acid)/epoxidized palm oil blends / Buong Woei Chieng ... [et al.]
title_fullStr The mechanical, thermal and morphological properties of graphene nanoplatelets filled poly(lactic acid)/epoxidized palm oil blends / Buong Woei Chieng ... [et al.]
title_full_unstemmed The mechanical, thermal and morphological properties of graphene nanoplatelets filled poly(lactic acid)/epoxidized palm oil blends / Buong Woei Chieng ... [et al.]
title_short The mechanical, thermal and morphological properties of graphene nanoplatelets filled poly(lactic acid)/epoxidized palm oil blends / Buong Woei Chieng ... [et al.]
title_sort mechanical, thermal and morphological properties of graphene nanoplatelets filled poly(lactic acid)/epoxidized palm oil blends / buong woei chieng ... [et al.]
topic Carbon disulfide. Graphene. Carbon
Polylactic acid
Plasticizers
url https://ir.uitm.edu.my/id/eprint/12426/
https://ir.uitm.edu.my/id/eprint/12426/