MSA  Vol.9 No.5 , May 2018
Mechanical, Thermal and Crystallization Properties of Polypropylene (PP) Reinforced Composites with High Density Polyethylene (HDPE) as Matrix
Abstract: Our work aims to evaluate a complete outlook of virgin high density polyethylene (HDPE) and polypropylene (PP) polyblends. Virgin PP of 20, 30 and 50 weight% is compounded with virgin HDPE. The properties like tensile strength, flexural strength, Izod impact strength are examined. Scanning electron microscopy (SEM) and polarised light microscopy (PLM) are used to observe the surface and crystal morphology. X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) tests verify the non compatibility of both polymers. Differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA) techniques are used to study the thermal behaviour of composites. The results manifest co-occurring spherulites for polyblends; indicating the composite to be a physical blend of continuous and dispersed phases, but on the other hand PP improves the tensile and flexural properties of HDPE.
Cite this paper: Sutar, H. , Chandra Sahoo, P. , Suman Sahu, P. , Sahoo, S. , Murmu, R. , Swain, S. and Chandra Mishra, S. (2018) Mechanical, Thermal and Crystallization Properties of Polypropylene (PP) Reinforced Composites with High Density Polyethylene (HDPE) as Matrix. Materials Sciences and Applications, 9, 502-515. doi: 10.4236/msa.2018.95035.

[1]   Erbetta, C.D.C., Azevedo, R.C.S., Andrade, K.S., e Silva, M.E.S.R. and Roberto, F.S.F. (2017) Characterization and Lifetime Estimation of High Density Polyethylene Containing a Prodegradant Agent. Materials Sciences and Applications, 8, 979-991.

[2]   Bertin, S. and Robin, J. (2002) Study and Characterization of Virgin and Recycled LDPE/PP Blends. European Polymer Journal, 38, 2255-2264.

[3]   Laoutid, F., Estrada, E., Michell, R.M., Bonnaud, L., Müller, A.J. and Dubois, P. (2013) The Influence of Nanosilica on the Nucleation, Crystallization and Tensile Properties of PP-PC and PP-PA Blends. Polymer, 54, 3982-3993.

[4]   Xie, B.H., Huang, X. and Zhang G.J. (2013) High Thermal Conductive Polyvinyl Alcohol Composites with Hexagonal Boron Nitride Microplatelets as Fillers. Composites Science and Technology, 85, 98-103.

[5]   Ma, W., Zhang, J. and Wang, X. (2008) Crystallizaion and Surface Morphology of Poly(vinylidene fluoride)/Poly(methylmethacrylate) Films by Solution Casting on Different Substrates. Applied Surface Science, 254, 2947-2954.

[6]   Albano, C., González, J., Ichazo, M., Rosales, C., Urbina de Navarro, C. and Parra, C. (2000) Mechanical and Morphological Behavior of Polyolefin Blends in the Presence of CaCO3. Composite Structures, 48, 49-58.

[7]   Hsieh, C.T., Pan, Y.J. and Lin, J.H. (2017) Polypropylene/High-Density Polyethylene/Carbon Fiber Composites: Manufacturing Techniques, Mechanical Properties, and Electromagnetic Interference Shielding Effectiveness. Fibers and Polymers, 18, 155-161.

[8]   Wilkinson, A.N., Laugel, L., Clemens, M.L., Harding, V.M. and Marin, M. (1999) Phase Structure in Polypropylene/PA6/SEBS Blends. Polymer, 40, 4971-4975.

[9]   Tseng, F.P., Lin, J.J. and Tseng, C.R. (2001) Poly (oxypropyl-ene)-Amide Grafted Polypropylene as Novel Compatibilizer for PP and PA6 Blends. Polymer, 42, 713-725.

[10]   Shi, H., Shi, D., Wang, X., Yin, L., Yin, J. and Mai, Y.W. (2010) A Facile Route for Preparing Stable Co-Continuous Morphology of LLDPE/PA6 Blends with Low PA6 Content. Polymer, 51, 4958-4968.

[11]   Maciel, A., Salas, V. and Manero, O. (2005) PP/EVA Blends: Mechanical Properties and Morphology. Effect of Compatibilizers on the Impact Behavior. Advances in Polymer Technology, 24, 241-252.

[12]   Martins, C.G., Larocca, N.M., Paul, D.R. and Pessan, L.A. (2009) Nanocomposites Formed from Polypropylene/EVA Blends. Polymer, 50, 1743-1754.

[13]   Valera-Zaragoza, M., Rivas-Vazquez, L.P., Ramirez-Vargas, E., Sánchez-Valdes, S., Ramos-deValle, L.F. and Medellín-Rodríguez, F.J. (2013) Influence of Morphology on the Dynamic Mechanical Characteristics of PP-EP/EVA/Organoclay Nanocomposites. Composites Part B: Engineering, 55, 506-512.

[14]   Lin, J.H., Pan, Y.J., Liu, C.F., Huang, C.L., Hsieh, C.T., Chen, C.K., Lin, Z.Y. and Lou, C.W. (2015) Preparation and Compatibility Evaluation of Polypropylene/High Density Polyethylene Poly-blends. Materials, 8, 8850-8859.

[15]   Souza, A.M.C. and Demarquette, N.R. (2002) Influence of Composition on the Linear Viscoelastic Behavior and Morphology of PP/HDPE Blends. Polymer, 43, 1313-1321.

[16]   Li, J., Shanks, R.A. and Long, Y. (2000) Mechanical Properties and Morphology of Polyethylene-Polypropylene Blends with Controlled Thermal History. Journal of Applied Polymer Science, 76, 1151-1164.<1151::AID-APP19>3.0.CO;2-H

[17]   Jose, S., Aprem, A.S., Francis, B., Chandy, M.C., Werner, P., Alstaedt, V. and Thomas, S. (2004) Phase Morphology, Crystallisation Behaviour and Mechanical Properties of Isotactic Polypropylene/High Density Polyethylene Blends. European Polymer Journal, 40, 2105-2115.

[18]   Macosko, C.W., Jeon, H.K. and Hoye, T.R. (2005) Reactions at Polymer-Polymer Interfaces for Blend Compatibilization. Progress in Polymer Science, 30, 939-947.

[19]   Saroop, M. and Mathur, G.N. (1997) Studies on the Dynamically Vulcanized Polypropylene (PP)/Butadiene Styrene Block Copolymer (SBS) Blends: Mechanical Properties. Journal of Applied Polymer Science, 65, 2691-2701.<2691::AID-APP10>3.0.CO;2-0

[20]   Van Puyvelde, P., Velankar, S. and Moldenaers, P. (2001) Rheology and Morphology of Compatibilized Polymer Blends. Current Opinion in Colloid and Interface Science, 6, 457-463.

[21]   Camacho, W. and Karlsson, S. (2001) NIR, DSC and FTIR as Quantitative Methods for Compositional Analysis of Blends of Polymers Obtained from Recycled Mixed Plastic Waste. Polymer Engineering and Science, 41, 1626-1635.

[22]   Blaine, R.L. Thermal Applications Note, Polymer Heats of Fusion.

[23]   Nishino, T., Matsumoto, T. and Nakamae, K. (2000) Surface Structure of Isotactic Polypropylene by X-Ray Diffraction. Polymer Engineering and Science, 40, 336-343.

[24]   Inci, B. and Wagener, K.B. (2011) Decreasing the Alkyl Branch Frequency in Precision Polyethylene: Pushing the Limits toward Longer Run Lengths. Journal of the American Chemical Society, 133, 11872-11875.

[25]   Liao, C.Z. and Tjong S.C. (2012) Mechanical and Thermal Performance of High-Density Polyethylene/Alumina Nanocomposites. Journal of Macromolecular Science, Part B, 52, 812-825.