Inverse microemulsion polymerization of acrylamide in the presence of N,N-dimethylacrylamide

Viera Juraničová, Sakurako Kawamoto, Keiji Fujimoto, Haruma Kawaguchi, Jaroslav Bartoň

研究成果: Article査読

14 被引用数 (Scopus)

抄録

The presence of N,N-dimethylacrylamide (NDA) influences the stability of initial, clear, single-phase Winsor IV inverse microemulsion composed of toluene/AOT (sodium salt of bis(2-ethylhexyl) sulfosuccinate)/NDA/water/acrylamide (AAm). For a molar fraction of NDA, nNDA = [NDA]/([NDA] + [AAm]) = 0.200 a single-phase system turned to a milky one during polymerization initiated by oil-soluble dibenzoyl peroxide or water-soluble ammonium peroxodisulfate, and finally a two-phase system was formed. For nNDA values greater than 0.200 also the precipitation of a polymeric product was observed during polymerization. The (co)polymerization rate of AAm and NDA exponentially decreases with increasing value of nNDA, while the reverse is true for the (co)polymer particle diameter. The results support the idea of simultaneously proceeding free-radical polymerization initiated by free radicals in continuous oil and dispersed water phase of the inverse microemulsion system.

本文言語English
ページ(範囲)27-31
ページ数5
ジャーナルAngewandte Makromolekulare Chemie
258
DOI
出版ステータスPublished - 1998 8

ASJC Scopus subject areas

  • 材料科学(全般)

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