Evaluation of Petroleum Resin Effectiveness on Asphalt Binder Viscosity
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This study presents an experimental evaluation of viscosity changes in polymer modified asphalt binders due to the temperature changes. Petroleum Resin (PE) as one of the tackifier polymers in the market has been considered to conduct this viscosity measurement in asphalt binders. The modified binders were produced by two binders of PG 64-22 and PG 76-22 and were tested in temperature range of 120℃ to 180℃. The tests were carried out through the rotational viscometer to examine the viscosity changes depending on PE contents (0%, 5% and 10%).