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

Table 1

Kinetics parameters of interaction reaction of ED-20 resin and IMTHPA under the action of 1-butyl-3-methyl imidazolium salts with various inorganic anions in molecule, of 1-methyl imidazole and of 2,4,6-tris(dimethylaminomethyl)phenol.

Catalyst	𝑇in, °C	𝑇pic, °C	𝑄,; J/g	𝐸, kJ/mol
1-Butyl-3-methylimidazolium tetrafluoroborate	120	214	387	100
1-Butyl-3-methylimidazolium sulfate	120	222	317	102
1-Butyl-3-methylimidazolium phosphate	82	156	331	95
1-Butyl-3-methylimidazolium bromide	70	137	322	92
1-Methylimidazole	45	125	350	75
2,4,6-Tris(dimethylaminomethyl)phenol	75	145	312	87