Patent ID: 8318309

Claim:
A composition comprising: at least one benzylated aminopropylated alkylenediamine having a formula: wherein R A is a substituted or unsubstituted benzyl group; R B , R C , R D , R F , and R G are independently R A or a hydrogen atom; X is a C2-C6 alkylene group, provided that the benzylated aminopropylated alkylenediamine has at least three active amine hydrogen atoms; and at least one multifunctional amine comprising at least one member selected from the group consisting of ethylenediamine (EDA), diethylenetriamine (DETA), triethylenetetramine (TETA), tetraethylenepentamine (TEPA), pentaethylenehexamine (PEHA), propylenediamine, dipropylenetriamine, tripropylenetetramine, N-3-aminopropyl ethylenediamine (Am3), N,N′-bis(3-aminopropyl)ethylenediamine (Am4), N,N,N′-tris(3-aminopropyl)ethylenediamine (Am5), N-3-aminopropyl-1,3-diaminopropane, N,N′-bis(3-aminopropyl)-1,3-diaminopropane, N,N,N′-tris(3-aminopropyl)-1,3-diaminopropane, and any combination thereof.