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Improvement Of Rheological Properties Of Al-Dura Asphaltic Binders Using Chemical Modifiers | ||
| Journal of Petroleum Research & Studies | ||
| Article 1, Volume 278, Issue 4, 2011, Pages 232-242 | ||
| Author | ||
| Dr. Qays Mothanna Ammouri | ||
| Abstract | ||
| Treating Iraqi asphaltic binder produced from Al – Dura refinery by either oxygenation or 4% sulfur or 4% nitric acid improved the penetration from 241 mm down to 92 mm, and from (68 - 63 ) mm also it and improved the softening point from 39 OC up to 49 OC, 50 OC, 52 OC respectively and it, improved the ductility from 73 cm up to 100 cm, 102 cm, 106 cm respectively. When subjecting these treated asphaltic binders to Iraqi environmental conditions, the rheological properties will not changed during 14 months. The studied environmental conditions were included when subjecting the treated asphaltic binder samples to (sunlight, water immersion, 1kg load, both sunlight and 1kg load, both water immersion and 1kg load, both sunlight and water immersion and both sunlight, water immersion and 1kg load). Compared with base asphaltic binder supplied directly from refinery without treatment which failed immediately during one week. | ||
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