Synthesis and Properties of Bifunctional Asphalt Emulsifier. (October 2019)

• Record Type: Journal Article
• Authors: Kong, Xiangjun; Zhan, Xinyu; Wang, Jinlan
• Is Part Of: IOP conference series. Volume 612:issue 2(2019)
• Publication Date: 2019-10
• Subjects: Materials science -- Periodicals; 620.1105
• DOI: 10.1088/1757-899X/612/2/022016
• Languages: English
• ISSNs: 1757-8981

Abstract

Abstract: Cationic asphalt emulsifier needs to adjust the system to acidity during use, which will bring potential corrosion hazard to emulsified asphalt production equipment. In this paper, a bifunctional asphalt emulsifier with emulsification and corrosion inhibition was synthesized. The results show that the bifunctional cationic asphalt emulsifier has excellent surface activity, the critical micelle concentration is 56.23 μg/g, and the surface tension value is 25.79 mN/m, the prepared emulsified asphalt has good stability, and the stability of 1d and 5d are 0.28 % and 0.97 %, respectively. At the same time, the asphalt emulsifier has good corrosion inhibition performance for different material test pieces and different corrosive environments. The mechanism study shows that the emulsifier forms a dense adsorption protective film on the metal surface, so that the metal surface in the acid environment is protected from corrosion and the corrosion rate is lowered.