Then Yoon Yee

Designation/Title : Lecturer
Department: Department of Pharmaceutical Chemistry, School of Pharmacy
Tel: 03-27317228 (ext. 2863)
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Education and Training

Doctor of Philosophy Universiti Putra Malaysia 2015
Master of Science Universiti Putra Malaysia 2011
Bachelor of Science (Honours) Universiti Putra Malaysia 2007

 

Research interests

  • Biocomposite Materials (Natural Fiber-Based Polymer Biocomposites)
  • Nanocomposite Materials (Graphene Nanoplatelet-, Clay- and Layered Double Hydroxide-Based Polymer Nanocomposites)

 

Research projects/grants:
National Research & Development Grants:

  • "Fundamental Study and Modification of Tea Leaf Waste Fiber as lignocellulosic Reinforcing Filler in Polymer Composites" - FRGS/1/2016/STG07/UPM/02/8. RM 75,800 (2016-2018) – Co-researcher

 

Supervision of Postgraduates (MSc/PhD)
(Last 5 years – 2010-2014)

  • Not applicable

 

Professional affiliations:

  • Life Member of Malaysian Solid State Science and Technology Society (MASS)

 

Academic Awards:

  • Malaysia Technology Expo (MTE 2015), Bronze Medal
  • UPM Invention, Research and Innovation Exhibition (PRPI 2014), Bronze Medal
  • UPM Invention, Research and Innovation Exhibition (PRPI 2011), Silver Medal

 

Recent publications
(last 5 years – 2011 -2015)

 

2015

  • Then, Y.Y., Ibrahim, N.A., Zainuddin, N., Ariffin, H., Wan Yunus, W.M.Z, Chieng, B.W (2015). Static mechanical, interfacial, and water absorption behaviors of alkali treated oil palm mesocarp fiber reinforced poly(butylene succinate) biocomposites. BioResources, 10(1), 123-136.
  • Then, Y.Y., Ibrahim, N.A., Zainuddin, N., Chieng, B.W., Ariffin, H., Wan Yunus, W.M.Z. (2015). Influence of alkaline-peroxide treatment of fiber on the mechanical properties of oil palm mesocarp fiber/poly(butylene succinate) biocomposite. BioResources 10(1), 1730-1746.
  • Then, Y.Y., Ibrahim, N.A., Zainuddin, N., Ariffin, H., Chieng, B.W., Wan Yunus, W.M.Z. (2015). Influence of fiber content on properties of oil palm mesocarp fiber/poly(butylene succinate) biocomposites. BioResources 10(2), 2949-2968.
  • Then, Y.Y., Ibrahim, N.A., Zainuddin, N., Chieng, B.W., Ariffin, H., Wan Yunus, W.M.Z. (2015). Effect of 3-aminopropyltrimethoxysilane on chemically modified oil palm mesocarp fiber/poly(butylene succinate) biocomposite. BioResources 10(2), 3577-3601.
  • Chieng, B.W., Ibrahim, N.A., Wan Yunus, W.M.Z., Hussein, M.Z., Then, Y.Y., Loo, Y.Y. (2015). Reinforcement of graphene nanoplatelets on plasticized poly(lactic acid) nanocomposites: mechanical, thermal, morphology, and antibacterial properties. Journal of Applied Polymer Science 132 (11), 41652.

 

2014

  • Then, Y.Y., Ibrahim, N.A., Zainuddin, N., Ariffin, H., Wan Yunus, W.M.Z. (2014). Enhancement of tensile strength of oil palm mesocarp fiber/poly(butylene succinate) biocomposite via superheated steam-alkali treatment of oil palm mesocarp fiber. Scientific Research Journal 11(2), 1-12.
  • Then, Y.Y., Ibrahim, N.A., Zainuddin, N., Ariffin, H., Wan Yunus, W.M.Z., Abd Rahman, M.F. (2014). Effect of electron beam irradiation on the tensile properties of oil palm mesocarp fibre/poly(butylene succinate) biocomposites. International Journal of Automotive and Mechanical Engineering 10(July-December), 2070-2080.
  • Then, Y.Y., Ibrahim, N.A., Zainuddin, N., Ariffin, H., Wan Yunus, W.M.Z., Chieng, B.W. (2014). The influence of green surface modification of oil palm mesocarp fiber by superheated steam on the mechanical properties and dimensional stability of oil palm mesocarp fiber/poly(butylene succinate) biocomposite. International Journal of Molecular Sciences 15(9), 15344-15357.
  • Then, Y.Y., Ibrahim, N.A., Zainuddin, N., Ariffin, H., Wan Yunus, W.M.Z., Chieng, B.W. (2014). Surface modifications of oil palm mesocarp fiber by superheated steam, alkali, and superheated steam-alkali for biocomposite applications. BioResources 9(4), 7467-7483.
  • Liau, C.P, Ahmad. M.B, Shameli, K, Wan Yunus, W.M.Z., Ibrahim, N.A., Zainuddin, N., Then, Y.Y. (2014). Preparation and characterization of polyhydroxybutyrate/polycaprolactone nanocomposites. The Scientific World Journal 2014, Article ID 572726, 9 pages.
  • Teh, S.N., Ahmad. M.B, Shameli, K, Wan Yunus, W.M.Z., Ibrahim, N.A., Zainuddin, N., Then, Y.Y. (2014). Mechanical and morphological properties of stearate modified layered double hydroxide blend with polyhydroxybutyrate/poly (lactic acid) nanocomposites. Digest Journal of Nanomaterials and Biostructures 9(2), 831-840.\
  • Liau, C.P, Ahmad. M.B, Shameli, K, Wan Yunus, W.M.Z., Ibrahim, N.A., Zainuddin, N., Then, Y.Y. (2014). Preparation and characterization of polyhydroxybutyrate/ polycaprolactone/Mg-Al layered double hydroxide nanocomposites. Digest Journal of Nanomaterials and Biostructures 9(1), 71-82.
  • Eng, C.C, Ibrahim, N.A., Zainuddin, N., Ariffin, H., Wan Yunus, W.M.Z, Then, Y.Y. (2014). Enhancement of mechanical and dynamic mechanical properties of hydrophilic nanoclay reinforced polylactic acid/polycaprolactone/oil palm mesocarp fiber hybrid composites. International Journal of Polymer Science, 2014, Article ID 715801, 8 pages.
  • Chieng, B.W., Ibrahim, N.A., Wan Yunus, W.M.Z., Hussein, M.Z., Then, Y.Y., Loo, Y.Y. (2014) Effects of graphene nanoplatelets and reduced graphene oxide on poly(lactic acid) and plasticized poly(lactic acid): a comparative study. Polymers 6(8), 2232-2246.
  • Chieng, B.W., Ibrahim, N.A., Then, Y.Y., Loo, Y.Y. (2014). Epoxidized vegetable oils plasticized poly(lactic acid) biocomposites: mechanical, thermal and morphology properties. Molecules 19(10), 16024-16038.

 

2013

  • Eng, C.C, Ibrahim, N.A., Zainuddin, N., Ariffin, H., Wan Yunus, W.M.Z, Then, Y.Y., Teh, C.C. (2013). Enhancement of mechanical and thermal properties of polylactic acid/polycaprolactone blends by hydrophilic nanoclay. Indian Journal of Materials Science, 2013, Article ID 816503, 11 pages.
  • Then, Y.Y., Ibrahim, N.A., Zainuddin, N., Ariffin, H., Wan Yunus, W.M.Z. (2013). Oil palm mesocarp fiber as new lignocellulosic material for fabrication of polymer/fiber biocomposites. International Journal of Polymer Science 2013, Article ID 797452, 7 pages.

 

2011

  • Then, Y.Y., Ibrahim, N.A., Wan Yunus, M.Z.W. (2011). Enhancement of tensile strength and flexibility of polycaprolactone/tapioca starch blends by octadecylamine modified clay. Journal of Polymers and the Environment 19 (2), 535-539.

 

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MS ISO/IEC 17025
TESTING
SAMM NO.650