| abstract |
Use of 1,3-substituted imidazolium salts of the formula I R1 and R3, independently of each other, represent an organic moiety with 1 to 20 carbon atoms, R2, R4 and R5, independently of each other, represent an atom of H or an organic moiety with 1 to 20 carbon atoms, R4 and R5 can also form together an aliphatic or aromatic ring, and X represents a dicyanamide anion, as a latent catalyst for the hardening of compositions containing epoxy compounds. |