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Polymerization of cationic surfactant films in microemulsions

Journal of Dispersion Science and Technology, ISSN: 0193-2691, Vol: 22, Issue: 6, Page: 597-607
2001
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Article Description

Properties of microemulsion phases containing mixtures of polymerizable surfactants, single-chain 11-(methacryloyloxy)undecyltrimethylammonium bromide, and double-chain dodecyl-(11-(methacryloyloxy)undecyl)trimethylammonium bromide, and their acrylate analogues have been studied. SANS has shown how film composition, in terms of single-chain surfmer, can be used as a control variable to optimize phase behavior and physicochemical properties of these multicomponent systems. A direct comparison between methacrylate and acrylate systems has shown how surfactant molecular structure can influence microemulsion structure; with methacrylates spherical droplets are formed, whereas with the acrylate analogues there is a transition to cylinders. Free-radical polymerization yield partially encapsulated aqueous domains with retention of parent structure.

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