Analysis of Mechanical Performance of Bitumen Modified with Waste Plastic and Rubber Additives by Rheology and Self Diffusion NMR Experiments

P. Caputo; M. Porto; V. Loise; B. Teltayev; C. Oliviero Rossi

doi:10.18321/ectj864

Authors

P. Caputo University of Calabria, Via P. Bucci, 87036 Arcavacata di Rende (CS), Italy
M. Porto University of Calabria, Via P. Bucci, 87036 Arcavacata di Rende (CS), Italy
V. Loise University of Calabria, Via P. Bucci, 87036 Arcavacata di Rende (CS), Italy
B. Teltayev Kazakhstan Highway Research Institute, 2A Nurpeisova Str., 050061, Almaty, Kazakhstan
C. Oliviero Rossi University of Calabria, Via P. Bucci, 87036 Arcavacata di Rende (CS), Italy

DOI:

https://doi.org/10.18321/ectj864

Keywords:

waste plastic, bitumen, stability, plastic waste, rheology

Abstract

In this study, the mechanical and physico-chemical properties of a new kind of modified bitumen are presented. The bituminous binders have been modified in order to understand the effect on the structural properties of several compounds such as a Polymer elastomer (SBR), Polymer thermoplastic (PP) and a waste plastic (Waste PP). Laboratory tests have been focused on the characterization of bitumen modified with single product and their binary combinations compared with pristine binder as a reference. Characterization has been conducted by using conventional as well as advanced methods on bitumens. Fundamental rheological tests, based on dynamic shear rheometer in the temperature range from -30 °C to +160 °C have been performed and the structure of a bitumens and modified bitumens has been analysed by the mobility of the oily maltene by self-diffusion Pulsed field gradient spin-echo (PGSE) FT-NMR experiments.

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