| abstract |
The epoxy curing agent disclosed in the present invention has an epoxy curing agent containing at least one room temperature ionic liquid salt, and the room temperature ionic liquid salt is a reaction product of the following: (a) at least one polyalkylene represented by formula (I) Polyalkylene polyamine compound: Among them, x, y, and z are integers of 2 and 3, m and n are integers of 1 to 3; and (b) an organic acid having a pKa (negative logarithm of the acid dissociation constant) lower than 6. The liquid salt is a stable liquid at a temperature greater than 15 ° C. A curable epoxy-based composition containing the curing agent and an article formed from the curable epoxy-based composition are also disclosed. |