Synthesis of superabsorbent copolymers by pulsed corona discharges in water
作者： Malik , Ahmed , Ejaz-ur-Rehman , Naheed , Ghaffar
关键词: Corona discharge 、 Acrylic acid 、 Polymerization 、 Materials science 、 Chemical engineering 、 Copolymer 、 Monomer 、 Superabsorbent polymer 、 Plasma polymerization 、 Polymer chemistry 、 Aqueous solution
摘要: Pulsed corona discharges have been utilized for plasma polymerization in aqueous solution the first time. Superabsorbent copolymers, i.e., poly(acrylamide-co-acrylic acid) hydrogels, were synthesized by using free radicals produced pulsed as initiator and N,N-methylene-bis-acrylamide cross-linking agent. Acrylic acid contents monomers varied from 0% to 50%. The copolymers thus formed adsorbed 30–1100 g H2O/g of copolymer. FTIR spectra are comparable with published corresponding a conventional chemical method γ-ray technique.
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