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

<table>DSC curves of curing reaction of IMTHPA-cured ED-20 resin in the presence of catalysts: (1) 1-butyl-3-methylimidazolium bromide; (2) 1-butyl-3-methylimidazolium orthophosphate; (3) 1-butyl-3-methylimidazolium tetrafluoroborate; (4) 1-butyl-3-methylimidazolium sulfate.</table>

International Journal of Polymer Science

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Figure 1

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