2007•Key engineering materialsOpen access

Synthesis of Poly (Acrylic Acid-Co-Itaconic Acid) and its Dispersing Effect for Barium Titanate Aqueous Suspension

Xi Xin Wang, Jian Ling Zhao, Xiao Hui Wang

Abstract

Dispersing barium titanate (BT) in aqueous media has received special attention due to economic and environmental considerations. A new kind of dispersant named poly (acrylic acid-co-itaconic acid) has been synthesized in our study. By adjusting reactant ratio and reactant condition poly (acrylic acid-co-itaconic acid) with different average molecular (2000~10000) and different content of itaconic acid (10% ~ 30%) have been obtained. Dispersing effects of poly (acrylic acid-co-itaconic acid) have been studied through zeta potential, sediment experiments, rheological behavior. It can be concluded from our study poly (acrylic acid-co-itaconic acid) containing 20% itaconic acid with Mw between 3000 and 5000 show the best dispersing effect.

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Key concepts: Itaconic acid, Acrylic acid, Dispersant, Aqueous solution, Materials science, Barium titanate, Zeta potential, Nuclear chemistry