title: Itaconic Acid Based Surfactants: I. Synthesis and Characterization of Sodiumn-Octyl Sulfoitaconate Diester Anionic Surfactant.
abstract: A novel itaconate-based surfactant, namely sodiumn-octyl sulfoitaconate diester (SOSID), has been synthesized from itaconic acid (IA) andn-octanol by sulfonation and esterification reaction processes. The effects of reaction temperature, reaction time, molar ratios ofn-octanol to IA and the catalyst dosage on the esterification were investigated. The chemical structure of the surfactants SOSID was characterized by means of LC-MS and confirmed by FT-IR and1H NMR spectroscopy. The surface tensionγand the critical micelle concentration (CMC) were determined as 25.02 mN/m and 4.0 × 10-4mol/L by using surface tensiometer at 20 °C. Further investigations showed that SOSID possess excellent wetting, emulsifying and lime soap dispersing properties.
authors.affiliation: Chemical Engineering College, Qingdao University of Science and Technology, Qingdao, 266042 People's Republic of China.
authors.forename: Jun
authors.initials: J
authors.lastname: Xu
authors.affiliation: Chemical Engineering College, Qingdao University of Science and Technology, Qingdao, 266042 People's Republic of China.
authors.forename: Fengzhi
authors.initials: F
authors.lastname: Cao
authors.affiliation: Chemical Engineering College, Qingdao University of Science and Technology, Qingdao, 266042 People's Republic of China.
authors.forename: Tong
authors.initials: T
authors.lastname: Li
authors.affiliation: Chemical Engineering College, Qingdao University of Science and Technology, Qingdao, 266042 People's Republic of China.
authors.forename: Shuai
authors.initials: S
authors.lastname: Zhang
authors.affiliation: Chemical Engineering College, Qingdao University of Science and Technology, Qingdao, 266042 People's Republic of China.
authors.forename: Chuanhui
authors.initials: C
authors.lastname: Gao
authors.affiliation: Chemical Engineering College, Qingdao University of Science and Technology, Qingdao, 266042 People's Republic of China.
authors.forename: Yumin
authors.initials: Y
authors.lastname: Wu
keywords: Anionic surfactant; Esterification; Sodium n-octyl sulfoitaconate diester; Sulfonation