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Fully-hydrolyzed poly (vinyl alcohol) (PVA) nanofibers were successfully electrospun from aqueous solutions of PVA in the presence of acetic acid. A continuous spinning of uniform PVA nanofibers proceeded by the addition of acetic acid due to the changes of electronic conductivity and surface tension of aqueous solution of PVA. When cross-linking agent 1 was added to aqueous solution of PVA and subsequent...
New ion-conducting polymer composite films have been prepared, and their ionic conducting properties have been investigated. The polymer composite films are fabricated from partially phosphorylated poly(vinyl alcohol) with tetramethylammonium salt (P-PVA.Me 4 N + ) and poly(acrylic acid) (PAA) or poly(ethylene glycol) (PEG). For P-PVA.Me 4 N + /PEG composite films,...
Ruthenium(II) complex- and viologen-containing polymers, which consist of the bis(2,2'-bipyridine) ruthenium(II) complex coordinated with imidazolyl residues on poly(1-vinylimidazole) (RuVPIm) and partially quaternized poly(1-vinylimidazole) (RuVQPIm) and viologen covalently linking these polymers through a hexylene spacer, have been synthesized. These polymers have two kinds of ruthenium(II) complex...
Photoinduced hydrogen generation from functional polymer films with photosensitizing ability, in which ruthenium(II) complexes are coordinated to imidazolyl residues on partially quaternized poly(1-vinylimidazole) (RuQPIm), have been investigated in aqueous solution. This system consists of RuQPIm free-standing films having various degrees of quaternization, electron relays such as 1,1 -dimethyl-4,4...
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