Abstract
A series of co-polymers of isobutyl vinyl ether (IBVE)/4-hydroxybutyl vinyl ether (HBVE) and maleic anhydride (MA) was synthesized and the structures were analysed using FT-IR, 1H-NMR and 13C-NMR. The results showed that the co-polymer of mono-functional vinyl ether (IBVE) and MA was completely alternating, but the co-polymer of dual-functional vinyl ether (HBVE) and MA was quite different, and this co-polymer usually exists as a gel. The influence of feed ratio of monomers, initiator concentration and reaction temperature on the co-polymerization was also studied. Novel complex materials (IBVE-MA/PVA) were obtained. The results showed that IBVE-MA could markedly improve flexibility of poly(vinyl alcohol) (PVA); the elongation of the PVA could improve to 300% after addition of 2% IBVE-MA from 30% of pure PVA.
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