1. Zulkifli M. Ariff and M. Nasir Z. Arif, “Melt rheology of Acrylonitrile-Butadiene-Styrene (ABS) and its influence on die swell of extrudate”, Proc. Of the 1st National Symposium on Polymeric Materials, School of Industrial Technology, Universiti Sains Malaysia, Penang, Malaysia. pg. 19-26, 1–2 June 2000
  2. Zulkifli M. Ariff, Azhar A. Bakar and M. Nasir Z. Arif “The influence of die geometry and melt density on rehological behaviour of Acrylonitrile-Butadiene-Styrene (ABS) polymer”, Proc. Of the 2nd National Symposium on Polymeric Materials, Universiti Kebangsaan Malaysia, Bangi, Malaysia. pg. 171-178, 2-3 October 2001.
  3. Zulkifli M. Ariff, Azhar A. Bakar and M. Nasir Z. Arif “Process parameter dependence of Acrylonitrile-Butadiene-Styrene (ABS) flow patterns inside a capillary rheometer barrel”, Proc. Of the 3rd National Symposium on Polymeric Materials, Universiti Teknologi Malaysia, Skudai, Johor, Malaysia. pg. 203-212, 30-31 December 2002.
  4. C.S. Sipaut, Z.M Ariff, G.L.A. Sims, S. Nadia and M.N. Mohamad Ibrahim, “Techniques and Parameters Investigations on Crosslinked Rubber Foam Formations”, Proc. 2nd International Conference on Chemical and Bioprocess Engineering ,Hotel Promenade, Kota Kinabalu, Sabah. pg. 966 – 971, 8 – 10 December 2005.
  5. M.K. Yong, H. Ismail and Z.M. Ariff, “Comparative Studies of Process Development, Tensile and Morphology Properties on Vulcanized Gum Blending of EVA/SMR-L Blends and ExVA/ENR-25 Blends” Proc. 1st International Conference for Young Chemist, Universiti Sains Malaysia, 24-27 May 2006.
  6. M.K. Yong, H. Ismail and Z.M. Ariff, “Morphology and Thermal Propoerties on Unvulcanized Gum Blending of EVA / SMR L and EVA / ENR-50 Blends”, Proc. 1st International Conference for Young Chemist, Universiti Sains Malaysia, 24-27 May 2006.
  7. M. K. Abdullah, M. Z. Abdullah, S. Kamarudin, I. A. Azid and Z. M. Ariff, P. Hussin, J.J. Antony, H. Haroon and M. Manikam,  “Three-Dimensional Mould Flow in Integrated Chips (IC’s) Encapsulation”, Proc. Young Researchers Conferences on Applied Sciences, Hyatt Saujana Subang, Selangor, Malaysia. 13-14 June 2006
  8. M. K. Abdullah, M. Z. Abdullah, S. Kamarudin, I. A. Azid and Z. M. Ariff, P. Hussin, J.J. Antony, H. Haroon and M. Manikam, Three Dimensional Mold Flow In Microelectronics Packages”, Proc. 31st International Conference on Electronics Manufacturing and Technology, Session C2 - Mechanical Analysis Paper 3,  8 - 10 November 2006, Kuala Lumpur, Malaysia
  9. M. Khalil Abdullah, M. Z. Abdullah, S. Kamarudin and Z. M. Ariff, P. Hussin, J.J. Antony, H. Haroon, M. R. Saad  and M. Manikam, Study of Flow Visualization in Stacked-Chip Scale Packages (S-CSP)”, IEEE International Conference on Semiconductor Electronics (ICSE 2006), Prince Hotel & Residence, Kuala Lumpur, Malaysia 29 November 2006.
  10. Du Ngoc Uy Lan, A. Abu Bakar, Baharin Azahari and Zulkifli Mohamad Ariff, Production of Micro Epoxy Balls”, Proc. 3rd Colloquium on Postgraduate Research Colloquium on Materials, Minerals and Polymers 2007 (MAMIP2007), Polymer Paper 12, Vistana Hotel, Penang, pg. 120-122, 10-11 April 2007
  11. Suzi Salwah Jikan, Yusriah Lazim, Zulkifli Mohamad Ariff and Azlan Ariffin, “Effects of Kaolin and Maleic Anhydride Contents on Melt Elasticity Phenomenon of Polyporpylene/kaolin Composite”, Proc. 3rd Colloquium on Postgraduate Research Colloquium on Materials, Minerals and Polymers 2007 (MAMIP2007), Polymer Paper 13, Vistana Hotel, Penang, pg. 123-125, 10-11 April 2007
  12. Z.M. Ariff, L.C. Low, A.R. Nor Azura and M.R. Azura Ellyani, “The Effect of Different SMR-L/ENR-25 Ratio on The Production OF SMR-L/ENR-25 Foam”, Proc. National Symposium on Polymeric Materials 2007 (NSPM 2007), Session 3 Paper 2, Universiti Kuala Lumpur, Kuala Lumpur, Malaysia, 27-28 November 2007
  13. Z. Zakaria, Z.M. Ariff, “Upgrading a Fabricated Dart Impact Tester for Characterisation of Polyethylene Foams”, Proc. National Symposium on Polymeric Materials 2007 (NSPM 2007), Session 5 Paper 7, Universiti Kuala Lumpur, Kuala Lumpur, Malaysia, 27-28 November 2007
  14. C. S. Sipaut, Z. M. Ariff and M. N. M. Ibrahim “The Effect of Polyfunctional Monomers into Low-Density Polyethylene-Dicumyl Peroxide Crosslinking System”, Proc. 8th International Seminar on Polymer Science and Technology, Tehran, Iran, 2007
  15. Z.M. Ariff, N.A.A. Rahim and L. L. Ching, “Effect of Compound Formulation on the Production and Properties of Epoxidised Natural Rubber (ENR-25) Foams”, Proceeding CD of 24th Annual Meeting of The Polymer Processing Society (PPS-24), Paper Reference No.: S15-618, (2008), Salerno, Italy, 15-19 June 2008.
  16. N. N. Najib, Z. M. Ariff, N. A. Manan, A. A. Bakar, C. S. Sipaut, “Structural and Energy Absorption of Natural Rubber Foam: Influence of Foaming Temperature”. Proceeding CD of International Rubber Conference 2008 (IRC 2008), Kuala Lumpur, Malaysia, 20-22 October 2008.
  17. S.S. Jikan, Z.M, Ariff, A.Ariffin, “Extrudate Swell and Melt Fracture of Polypropylene-Kaolin Composites at High Shear Stress”, Proceeding CD of the 4th International Conference on Recent Advances in Materials, Minerals and Environment, 1-3 June 2009, Penang, Malaysia
  18. S.S. Jikan, Z.M, Ariff, A.Ariffin, “Effect Of Kaolin Content On Thermal Analysis Of Polypropylene/ Kaolin Composites”, Proceeding CD of the 4th International Conference on Recent Advances in Materials, Minerals and Environment, 1-3 June 2009, Penang, Malaysia
  19. Du Ngoc Uy Lan, A. Abu Bakar, B. Azahari, Z. M. Ariff, Yoshiki Chujo, “Silica Interlocked Epoxy Hollow Particles by Sol-gel Process”, Proceeding CD of the 4th International Conference on Recent Advances in Materials, Minerals and Environment, 1-3 June 2009, Penang, Malaysia
  20. Zulkifli Mohamad Ariff, Azlan Ariffin, Nor Azura Abdul Rahim, “Effect of Filler Loading on The MFI, Swelling Ratio and Melt Density of Polypropylene-Kaolin Composites”, Proceeding CD of Regional Conference on Materials 2009, Penang, Malaysia
  21. Nor Azura Abdul Rahim, Zulkifli Mohamad Ariff, Azlan Ariffin, “Flow Behaviour and Viscoelasticity of Polypropylene-Koalin Composites at Different Temperatures”, Proceeding of 9th National Symposium on Polymeric Materials 2009, 14-16 December, Putrajaya, Malaysia
  22. S.S. Samsudin, Z.M. Ariff, N.A.A. Mutalib, “Processing and Compressive Strength of Epoxy Syntactic Foam Incorporated with Epoxy Hollow Sphere”, Proceeding of the Asian Workshop on Polymer Processing 1-3 December 2009, Penang, Malaysia
  23. Z. Zakaria, Z.M. Ariff and C.S. Sipaut, “Role of Crosslinking Level on the Properties of LDPE Foams”, Proceeding of the 11th Pacific Polymer Conference (PPC11), 6-10 December 2009, Cairns, Australia.
  24. D.N.U. Lan, A.A. Bakar, B. Azahari, Z.M. Ariff, Y. Chujo, “Effect of Interlocking between Polystyrene and Porous Hollow Epoxy on the Tensile and Thermal Properties”, Proceeding of the 11th Pacific Polymer Conference, 6-10 December 2009, Cairns, Australia
  25. N. N. Najib , Z. M. Ariff, A. A. Bakar and C. S. Sipaut, “Optimzing Cell Structure of Epoxidized Rubber Foams by Varying Binary Accelarator System”, Proceeding of 3rd International Conference for Young Chemists 2010, 23-25 June 2010, Penang, Malaysia
  26. Z.M. Ariff, S.S. Samsudin, N.A.A. Mutalib, Compressive Behaviour of Syntactic Foam Filled with Epoxy Hollow Spheres Having Different Wall Thickness”, Paper Ref. No. SL T34, Proceeding of the 14th International Scientific Conference on Polymeric Materials, 15-17 September 2010, Halle, Germany,
  27. Z. Zakaria, Z.M. Ariff, A.A. Bakar, “Evaluation of Cell Structure Response Towards Compression Deformation in Polyetheylene Foams”, Proceeding of 10th National Symposium on Polymeric Materials, 8-10 November 2010, Langkawi, Malaysia
  28. N. N. Najib , Z. M. Ariff, A. A. Bakar and C. S. Sipaut, “Mechanical Response and Sound Absorption of Natural Rubber, Epoxidized Natural Rubber and Natural Rubber/Epoxidized Natural Rubber Foams”, Proceeding of 10th National Symposium on Polymeric Materials, 8-10 November 2010, Langkawi, Malaysia
  29. S.S. Samsudin, Z.M. Ariff, A.A. Bakar, “Effect of Epoxy Hollow Sphere Size on Compressive Strength of Epoxy Syntactic Foam”, Proceeding of 10th National Symposium on Polymeric Materials, 8-10 November 2010, Langkawi, Malaysia
  30. T.H. Khang and Z.M. Ariff, “Simulation of the Filling and Curing Phases in Injection Moulding Process of Natural Rubber Compound” Abstract of 11th National Symposium on Polymeric Materials, 27-28 December 2011, Skudai, Malaysia.
  31. Mohamad Azwan Mad Naser, Ang Kee Ling, Zulkifli Mohamad Ariff, Azlan Ariffin, “Development of An Affordable Oscillating Rheometer to Monitor Cure Characteristics and Rheological Behaviour of Thermoset Polymers” Abstract of 11th National Symposium on Polymeric Materials, 27-28 December 2011, Skudai, Malaysia.
  32. Z. Zakaria, Z.M. Ariff, A.A. Bakar, The Mechanical Response of LDPE Foam on Compression: Modelling and Compressive Deformation Mechanism”, Proceeding of The 2nd International Malaysia-Ireland Joint Symposium on Engineering, Science and Business (IMiEJS 2012), 18-20 June 2012, Kuala Lumpur, Malaysia.
  33. Zulkifli Mohamad Ariff and Neoh Kah Fei, “Response of Epoxy Syntactic Foams towards Compressive Deformation: Experiment versus Simulation”, Paper 25, 11th International Conference on Foam Materials & Technology, FOAMS 2013, 11-12 September, 2013, Seattle, USA.
  34. Ahmad Fikri Abdul Karim, Hanafi Ismail, and Zulkifli Mohamad Ariff. “Mechanical and morphological properties of kenaf powder filled natural rubber latex foam”, AIP Conference Proceedings vol. 1669, p. 020028, (2015)
  35. Zulkifli Mohamad Ariff and Tan Yizong, Microwave Foaming of Natural Rubber: Exploiting Moisture As Blowing Agent, Paper 09, 13th International Conference on Foam Materials & Technology, FOAMS 2015, 10-11 September, 2015, Kyoto, Japan
  36. M. S. F. Samsudin, Z. M. Ariff, and A. Ariffin, “Deformation behavior of open-cell dry natural rubber foam: Effect of different concentration of blowing agent and compression strain rate”, AIP Conference Proceedings, vol. 1835, p. 020007 (2017)
  37. Zulkifli Mohamad Ariff, Chan Kai Loon, and Zunaida Zakaria, “Influence of processing parameters on spherulite formation and crystallization behaviour of polypropylene”, AIP Conference Proceedings, vol. 1835, p. 020058 (2017)