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Original Articles

Synthesis and Characterization of Monoallyl-End-Capped Diethylene Oxide-Based Polyurethane Surfactant

, &
Pages 927-934 | Accepted 23 Mar 2013, Published online: 04 Mar 2014
 

Abstract

Diethylene glycol monoallyl ether (DGME) was synthesized by reaction of diethylene glycol with allyl chloride. Then, a novel non-ionic functional polyurethane surfactant (PUS) was synthesized by the polycondensation of hexamethylene diisocyanate (HMDI) with polypropylene glycol (PPG-1000) and DGME. Next, a series of polyvinyl acetate (PVAc), polybutyl acrylate (PBA), and polystyrene (PSt) latexes have been successfully synthesized, each one throughout by the emulsion copolymerization in the presence of a PUS. This polymeric surfactant exhibited excellent surface activity, and the surface tension decreased with an increase in the concentration of the polyurethane surfactant.

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