title: Triblock copolymer based on poly(propylene oxide) and poly(1-[11-acryloylundecyl]-3-methyl-imidazolium bromide).
abstract: The controlled atom transfer radical polymerization of an ionic liquid, 1-(11-acryloylundecyl)-3-methyl imidazolium bromide (ILBr), from both ends of a telechelic poly(propylene oxide) (PPO) macroinitiator, end-functionalized with bromoisobutyryloyl is reported. The resulting highly water-soluble triblock, poly(ILBr-b-PO-b-ILBr) is multistimuli responsive. This new class of triblocks exhibits classical surface activity in lowering surface tension at the air-water interface and in modifying wetting in waterborne coatings. It also immunizes model colloids against coagulation induced by Debye-Hückel (indifferent electrolyte) electrostatic screening. Further, sol-gel thermoreversibility is unexpectedly found as an additional form of stimuli responsiveness.
authors.affiliation: Coatings Research Institute, School of Engineering Technology, Eastern Michigan University, Ypsilanti, MI 48197, USA. jtexter@emich.edu
authors.forename: John
authors.initials: J
authors.lastname: Texter
authors.forename: Vivek Arjunan
authors.initials: VA
authors.lastname: Vasantha
authors.forename: Rene
authors.initials: R
authors.lastname: Crombez
authors.forename: Rafael
authors.initials: R
authors.lastname: Maniglia
authors.forename: Lisa
authors.initials: L
authors.lastname: Slater
authors.forename: Thomas
authors.initials: T
authors.lastname: Mourey
mesh_terms: D058105:Polymerization; D011108:Polymers / Q000138:chemical synthesis* / Q000737:chemistry; D011409:Propylene Glycols / Q000737:chemistry*; D013500:Surface Tension
chemical_list: D011108:Polymers; D011409:Propylene Glycols; C012504:polypropylene glycol