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A novel spherically shaped semi-interpenetrating network (semi-IPN) hydrogel, which is based on hydrogen bond between chemical crosslinked poly(N-vinylpyrrolidone) (PVP) and linear poly(acrylic acid) (PAA), was prepared. The semi-IPN hydrogel was synthesized by three steps: (1) linear PAA with different molecular weights were obtained by a reaction of free radical polymerization used 2,2′-azo-bis-iso-butyronitrile...
Polymerization of methyl methacrylate initiated with benzoyl peroxide was studied in O/W microemulsion stabilized with SBOA (sodium 12-butinoyloxy-9-octadecenate). The growth of monomer-swollen polymer particles was studied with photon correlation spectroscopy (PCS). It was found that nucleation process continues to very high conversion and the polymerization in large polymer particles formed at the...
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