Abstract
AbstractMuch effort has been done toward the development of new emulsifiers able to improve the latex stability. In this sense, ionic liquids based on imidazolium constitute a new category of stabilizer in study. Moreover, the near infrared (NIR) spectroscopy has been extensively investigated as a tool to follow the properties of polymerization reactions. In this study different ionic liquids are investigated as emulsifiers during the emulsion homopolymerization of the styrene and methyl methacrylate. A quantitative analysis method is developed to determine the properties of latex based on the joint use of the NIR spectra and partial least squares regression (PLS). Kinetic results indicate that the latex properties are greatly influenced by the type of ionic liquid. The current work shows that the NIR spectrophotometer can be successfully used for monitoring of the latex properties, enabling to track the polymerization dynamics even in the presence of ionic liquids.
Published Version
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