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http://dx.doi.org/10.7464/ksct.2012.18.2.170

Emulsion Polymerization and Surface Properties of Perfluoroalkylethyl Acrylate/Acrylate/Glycidyl Methacrylate Copolymers  

Yoon, Jong-Kook (Korea Institute of Footwear & Leather Technology)
Lee, Jung-Hee (Korea Institute of Footwear & Leather Technology)
Kim, Ji-Soo (Department of Organic Material Science and Engineering, Pusan National University)
Lee, Young-Hee (Department of Organic Material Science and Engineering, Pusan National University)
Lee, Dong-Jin (Korea Institute of Ceramic Engineering & Technology)
Kim, Han-Do (Department of Organic Material Science and Engineering, Pusan National University)
Publication Information
Clean Technology / v.18, no.2, 2012 , pp. 170-176 More about this Journal
Abstract
A series of acrylic copolymers containing perfluoroalkyl acrylate were synthesized by 2-step emulsion polymerization of variety of acrylate monomers (ethyl acrylate, butyl acrylate or methyl methacrylate) with perfluoroalkyl ethyl acrylate (PFA) and glycidyl methacrylate (GMA) monomers. This study focused on effects of monomer compositions (the kind of acrylate monomer, contents of PFA and GMA) and composition of surfactants [(sodium dodecyl sulphate/nonylphenol 10mole ethoxylate (NP-10)] and initiator content on the contact angles and surface free energy. It was found that the copolymer having an optimum composition (BA : 87 wt%, GMA : 8.7 wt% and PFA : 4.3 wt%) was shown to be quite surface active [surface free energy : 19.89 mN/m and contact angles : $103.5^{\circ}$ (water) and $78.7^{\circ}$ (methylene iodide)] in the solid state. This result suggests that the optimal copolymer containing fluorinated monomer synthesized in this study have high potential as a low surface energy material, which may have high oil- and water-repellent surface and have been proposed as acrylic syntan for leather and also as soil-resistant/oil and water repellent coating for textiles and wood etc.
Keywords
Acryl copolymer; Fluorinated polymer; Surface tension; Contact angle;
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