ONE-COMPONENT DEEP HARDENABLE EPOXY RESIN COMPOSITION, IMPREGNATING MATERIAL FOR REPAIRING DAMAGED SECTION OF STRUCTURE AND IMPREGNATING REPAIR METHOD OF CONSTRUCTION

摘要

PROBLEM TO BE SOLVED: To provide a one-liquid type deep hardenable epoxy resin composition combining excellent fast hardening properties, deep hardenability and storage stability.;SOLUTION: The composition comprises (A) an epoxy resin and (B) a ketimine type compound having at least one group of formula (1a) and at least one group of formula (2a) (wherein R¹ to R⁴ are same or different and each represents a hydrocarbon group; R⁵ and R⁶ may be same or different and each represents a hydrogen atom or an organic group; optionally, R⁵ and R⁶ may be bonded to each other to form a ring or, together with the carbon atom(s) adjacent to each of them, to form a ring; and at least one of R⁵ and R⁶ is an organic group) and is characterized by having deep hardenability.;COPYRIGHT: (C)2004,JPO