International Journal of Chemical Engineering and Analytical Science
Articles Information
International Journal of Chemical Engineering and Analytical Science, Vol.1, No.1, Sep. 2016, Pub. Date: Jul. 27, 2016
Preparation of Protective Coating Using Polymer Modified Asphalt
Pages: 60-67 Views: 3229 Downloads: 1062
Authors
[01] Gamal M. Elkady, Chemistry Department, Faculty of Science, Al-Azhar University, Cairo, Egypt.
[02] Amina M. Saleh, Egyptian Petroleum Research Institute (EPRI), Cairo, Egypt.
[03] Elsayed M. Elnaggar, Chemistry Department, Faculty of Science, Al-Azhar University, Cairo, Egypt.
[04] Reem K. Farag, Egyptian Petroleum Research Institute (EPRI), Cairo, Egypt.
[05] Abdullah M. Ahmed, B.Sc of Science, Chemistry Department, Faculty of Science, Al-Azhar University, Assiut, Egypt.
Abstract
The present interests of scientists whom concerned with asphalt and bituminous materials focuses on asphalt modification for improvement the characteristics of asphalt as a binder of aggregates in paving. One of the recent trends is to take the different properties of the asphalt as adhesion and water repellence in the preparation of protective coatings. Asphalt/polymer binary blends were prepared using PET. Conventional physical tests include penetration, softening point and ductility, were performed to investigate the effect of polymer modification on the mechanical properties of asphalt. The good dispersion and homogeneity of PET with asphalt was examined using SEM. SEM proved that polymer content of 6% represented the most homogeneous polymer distribution in the asphalt as the continuous phase. Thermal Gravimetric analyses (TGA) showed that thermal stability of asphalt is improved by modification with PET. The ability of modified asphalt samples, to serve as protective coatings, was examined by preparation of coating formulations from the PMA samples and examining the physical characteristics as adhesion, bending and impact resistance also, examining the resistance of coatings to aggressive media; water, acid alkali and organic solvent. PMA coatings showed a good resistance to different media except the organic solvent that destroy the coating layer by dissolving the asphaltic material.
Keywords
Asphalt, Polymer Modified Asphalt, Protective Coatings, Anticorrosion
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