Cationic miniemulsion polymerization of styrene mediated by imidazolium based ionic liquid. (July 2018)

• Record Type: Journal Article
• Authors: Alves, Rômulo C.; Agner, Tamara; Rodrigues, Thyago S.; Machado, Fabricio; Neto, Brenno A.D.; da Costa, Cristiane; de Araújo, Pedro H.H.; Sayer, Claudia
• Is Part Of: European polymer journal. Volume 104(2018)
• Page Start: 51
• Page End: 56
• Publication Date: 2018-07
• Subjects: Cationic polymerization -- Imidazolium based ionic liquid -- Miniemulsion -- High molecular weight; Polymers -- Periodicals; Polymerization -- Periodicals; Polymères -- Périodiques; Polymérisation -- Périodiques; Polymerization; Polymers; Periodicals; Electronic journals; 547.705
• DOI: 10.1016/j.eurpolymj.2018.04.035
• Languages: English
• ISSNs: 0014-3057

Abstract

Graphical abstract: Highlights: Cationic miniemulsion polymerization of styrene using an ionic liquid as catalyst. BMI·Fe2 Cl7 as an effective initiator for polymerization at low concentrations. High molecular weight styrene polymers in aqueous dispersion. Abstract: For the first time, it was shown the cationic miniemulsion polymerization of styrene using an ionic liquid as catalyst. The ionic liquid (BMI·Fe2 Cl7 ) was tolerant to the presence of high amount of water, being effective for polymerization of styrene in the evaluated temperatures range from 70 to 90 °C. The polymerization was considerably slower than conventional cationic polymerization, indicating that this process is easier to control than the conventional ones. In addition, quite high molecular weights were reached, while the particle size, between 150 and 175 nm, was within the typical range for miniemulsion polymerization.