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Amino‐Functionalized Nanoparticles via Copolymerization with 2‐Aminoethyl methacrylate in Miniemulsion
Author(s) -
Grabs IlkaMarina,
SchmidtNaake Gudrun
Publication year - 2009
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/masy.200950115
Subject(s) - miniemulsion , methacrylamide , copolymer , methacrylate , monomer , polymer chemistry , acrylate , styrene , nanoparticle , chemistry , materials science , acrylamide , organic chemistry , polymer , nanotechnology
The copolymerization of 2‐aminoethyl methacrylate hydrochloride (AEMA) with styrene (St), butyl acrylate (BuA) or butyl methacrylate (BuMA) in miniemulsion leads to amino‐functionalized nanoparticles. The influences of different pH values and different monomer/water ratios onto the incorporation of AEMA into the particles were studied. In order to prevent the rearrangement of AEMA into the 2‐hydroxy‐ethyl methacrylamide (HEMAA), a pH value below 4 has to be used. AEMA and HEMAA were studied regarding the copolymerization behavior. The monomer/water ratio has an influence on the stability of the resulting latices. The surface area of the according amino‐particles was analysed with conductometric titration.