Benzylated Mannich base curing agents, compositions, and methods

摘要

A composition comprising a benzylated Mannich base composition and a curing agent. The benzylated mannich base composition comprises (a) a substituted phenol compound having at least one substituent of formula (I): Wherein R ₁ is each independently a linear or branched alkyl group having from 1 to 4 carbon atoms and R ₂ is hydrogen, methyl, ethyl or phenyl] (b) Benzylated polyalkylene polyamine (II): Wherein R _A is substituted or unsubstituted benzyl; R _B are each independently R _A , or a hydrogen atom, or a group selected from C ₁ -C ₁₆ linear, cyclic and branched alkyl, alkenyl and alkaryl groups; X, Y and Z are independently selected from C ₂ -C ₁₀ alkylene and cycloalkylene groups; y is an integer from 0 to 7, and z is an integer from 0 to 4; And optionally, (c) a polyfunctional amine Lt; / RTI Amine-epoxy compositions and articles made from these compositions are also disclosed.