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The Fabrication of Very Small Miniemulsion Latexes from N ‐Stearoylglutamate and Lauryl Methacrylate: Evidence for Droplet Budding
Author(s) -
Yildiz Ufuk,
Landfester Katharina,
Antonietti Markus
Publication year - 2003
Publication title -
macromolecular chemistry and physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.57
H-Index - 112
eISSN - 1521-3935
pISSN - 1022-1352
DOI - 10.1002/macp.200350050
Subject(s) - miniemulsion , styrene , pulmonary surfactant , polymer chemistry , chemistry , polymerization , sodium dodecyl sulfate , potassium persulfate , sodium , methyl methacrylate , methacrylate , emulsion polymerization , copolymer , chemical engineering , organic chemistry , polymer , biochemistry , engineering
A new, biodegradable surfactant with high efficiency, N ‐stearoyl‐di(sodium)glutamate (SDG), was used for miniemulsion polymerization of styrene and lauryl methacrylate (LMA). In the case of styrene, SDG produces latexes at least as small as those produced by sodium dodecyl sulfate (SDS), over a range of concentrations. In the case of LMA, a combination of SDG with an appropriate costabilizer allows one to obtain very small particles. With potassium persulfate (KPS) as initiator, the SDG/LMA system deviates significantly from the ideal miniemulsion, forming extremely small particles, which was speculatively attributed to a budding phenomenon.The new, biodegradable surfactant, N ‐stearoyl‐di(sodium)glutamate.