1-Butyl-3-methylimidazolium Salts as New Catalysts to Produce Epoxy-anhydride Polymers with Improved Properties

<table>DSC curves of curing reaction of ED-20 resin with IMTHPA hardener in the presence of interaction products: (1) 2-ethyl-4-methylimidazole + IMTHPA; (2) 1-butyl-3-methylimidazolium bromide + IMTHPA.</table>

International Journal of Polymer Science

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Figure 6

Figure 6: 1-Butyl-3-methylimidazolium Salts as New Catalysts to Produce Epoxy-anhydride Polymers with Improved Properties 