Effect of Polymer Additives and Process Temperature on the Physical Properties of Bitumen-Based Composites

Date

2009-08-15

Author

Dogan, Mehmet
Bayramlı, Erdal

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Polymer modified bitumen (PMB) is a binder obtained by the incorporation of polymer into the bitumen by mechanical mixing or chemical reaction. This study deals with the modification of bitumen with three types of polymers (LDPE, EVA, and SBS) in the presence of filler (CaCO3). The morphological, mechanical, rheological properties, and thermal conductivity of the PMBs have been analyzed by scanning electron microscopy, tensile testing, melt flow index (MFI) measurements and hot wire method, respectively. The results indicate that the above-mentioned properties of PMBs are influenced by polymer and bitumen nature and its composition. The mechanical properties of composites prepared at different temperatures exhibit small differences. In general, the inclusion of polymer increases tensile strength and Young's modulus and reduces percentage strain and MFI values, also, polymer inclusion reduces the thermal conductivity values of the composites. (C) 2009 Wiley Periodicals, Inc. J Appl Polym Sci 113: 2331-2338, 2009

Subject Keywords

Bitumen, Composites, Mixing, Reinforcement, Thermal conductivity

URI

https://hdl.handle.net/11511/57300

Journal

JOURNAL OF APPLIED POLYMER SCIENCE

DOI

https://doi.org/10.1002/app.30280

Collections

Graduate School of Natural and Applied Sciences, Article

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Citation Formats

M. Dogan and E. Bayramlı, “Effect of Polymer Additives and Process Temperature on the Physical Properties of Bitumen-Based Composites,” JOURNAL OF APPLIED POLYMER SCIENCE, pp. 2331–2338, 2009, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/57300.