| abstract |
The present invention relates to the use of a 1,3-substituted imidazolium salt of formula (1) as a latent catalyst for curing a composition comprising an epoxy compound. <Formula 1> Wherein R 1 and R 3 independently represent an organic group having 1 to 20 C atoms, R 2, R 4 and R 5 independently represent an H group or an organic group having 1 to 20 C atoms, and R 4 and R 5 together represent an aliphatic or aromatic ring Can be formed, X represents an anion of the oxyacid of phosphorus, and n is 1, 2 or 3. |