| abstract |
PURPOSE: To provide the titled curing agent easy to industrially handle, without impairing imidazole compound characteristics, capable of giving cured products of outstanding heat resistance and electrical properties, consisting essentially of a specific compound. n CONSTITUTION: The objective curing agent consisting essentially of a compound of formula I [R 1 WR 3 are each alkyl or (substituted)aryl; X is H, methyl or halogen; Y is -CH 2 -, of formula II or III, -S-, -O-, -SO 2 - or -NH-; n≥1]. For preparing the compound of the formula I, it is recommended, for example, that a reaction is carried out between an imidazole having active hydrogen at the N of 1-site of formula IV and a diepoxy compound of formula V. n COPYRIGHT: (C)1986,JPO&Japio |