Alkylated polyalkylene polyamines and uses thereof

1. A curing agent composition comprising the contact product of:

(a) at least one alkylated polyalkylene polyamine having the formula:

wherein R A is a C 5 to C 16 alkyl; R B , R D , and R E are independently R A or a hydrogen atom; R C is R A or a hydrogen atom and n is 1, 2, 3, 4, 5, 6, or 7; provided that, the alkylated polyamine has at least three active amine hydrogen atoms; and (b) at least one multifunctional amine having 3 or more active amine hydrogens, wherein the at least one multifunctional amine comprises 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.

2. The composition of claim 1 wherein the at least one alkylated polyalkylene polyamine has at least two alkyl groups.

3. The composition of claim 1 , wherein the at least one alkylated polyalkylene polyamine comprises the reductive amination product of an aldehyde or ketone compound with at least one polyalkylene polyamine.

4. The composition of claim 3 , wherein the at least one polyalkylene polyamine compound is diethylenetriamine (DETA), triethylenetetramine (TETA), tetraethylenepentamine (TEPA), pentaethylenehexamine (PEHA), dipropylenetriamine, tripropylenetetramine, or any combination thereof.

5. The composition of claim 4 wherein the at least one polyalkylene polyamine comprises DETA.

6. The composition of claim 4 wherein the at least one polyalkylene polyamine comprises TETA.

7. The composition of claim 4 wherein the at least one polyalkylene polyamine comprises TEPA.

8. The composition of claim 3 , wherein the at least one polyalkylene polyamine compound is diethylenetriamine (DETA), triethylenetetramine (TETA), or a mixture of diethylenetriamine (DETA) and triethylenetetramine (TETA).

9. The composition of claim 3 , wherein the molar reactant ratio of the aldehyde or ketone compound to the at least one polyalkylene polyamine compound is in a range from about 0.8:1 to about 2:1.

10. The composition of claim 3 , wherein the molar reactant ratio of the aldehyde or ketone compound to the at least one polyalkylene polyamine compound is in a range from about 1.2:1 to about 1.5:1.

11. The composition of claim 1 wherein the at least one alkylated polyalkylene polyamine comprises the reaction product of an alkyl halide compound with at least one polyalkylene polyamine.

12. The composition of claim 1 , wherein the curing agent composition has an amine hydrogen equivalent weight (AHEW) based on 100% solids from about 50 to about 500.

13. The composition of claim 1 , wherein the at least one multifunctional amine further comprises an amine selected from the group consisting of an aliphatic amine, a cycloaliphatic amine, an aromatic amine, a Mannich base derivative of an aliphatic amine, a cycloaliphatic amine, or an aromatic amine, a polyamide derivative of an aliphatic amine, a cycloaliphatic amine, or an aromatic amine, an amidoamine derivative of an aliphatic amine, a cycloaliphatic amine, or an aromatic amine, an amine adduct derivative of an aliphatic amine, a cycloaliphatic amine, or an aromatic amine, and any combination thereof.

14. The composition of claim 1 , wherein the at least one multifunctional amine is 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-mninopropyl-1,3-diaminopropane, N,N′-bis(3-aminopropyl)-1,3-diaminopropane, N,N,N′-tris(3-aminopropyl)-1,3-diaminopropane, and any combination thereof.

15. The composition of claim 1 wherein the at least one alkylated polyalkylene polyamine comprises at least 10 wt % dialkylated polyalkylene polyamines.

16. The composition of claim 1 wherein the at least one multifunctional amine comprises EDA.

17. The composition of claim 1 wherein the at least one multifunctional amine comprises DETA.

18. The composition of claim 1 wherein the at least one multifunctional amine comprises propylenediamine.

19. The composition of claim 1 wherein the at least one multifunctional amine comprises dipropylenetriamine.

20. A curing agent composition comprising the contact product of:

(a) at least one alkylated polyalkylene polyamine having the formula:

wherein R A is a C 1 to C 16 alkyl; R B , R C , R D , and R E are independently R A or a hydrogen atom; n is 1, 2, 3, 4, 5, 6, or 7, provided that the alkylated polyamine has at least three active amine hydrogen atoms; and (b) at least one multifunctional amine having 3 or more active amine hydrogens, wherein the at least one multifunctional amine comprises 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.

21. The composition of claim 20 wherein R A is isopropyl or cyclohexyl; R B , R D , and R E are hydrogen atoms; and n is 1, 2, 3, or 4.

22. The composition of claim 20 , wherein R A and R C are isopropyl or cyclohexyl, R B , R D , and R E are hydrogen atoms; and n is 1 or 2.

23. An amine-epoxy composition comprising the reaction product of:

A) a curing agent composition comprising the contact product of: (1) at least one alkylated polyalkylene polyamine having the formula:

wherein R A is a C 1 to C 16 alkyl; R B , R D , and R E are a hydrogen atom; R C is R A or a hydrogen atom and n is 1, 2, 3, 4, 5, 6, or 7; and (2) at least one multifunctional amine having 3 or more active amine hydrogens, wherein the at least one multifunctional amine comprises 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; and

B) an epoxy composition comprising at least one multifunctional epoxy resin.

24. The composition of claim 23 , wherein the stoichiometric ratio of epoxy groups in the epoxy composition to amine hydrogens in the curing agent composition is in a range from about 1.3:1 to about 0.7:1.

25. The epoxy-amine composition of claim 23 wherein the at least one alkylated polyalkylene polyamine comprises at least 10 wt % dialkylated polyalkylene polyamines.

26. The epoxy-amine composition of claim 23 wherein R A is a C 5 to C 16 alkyl.

27. An article of manufacture comprising the composition of claim 23 .

28. The article of claim 27 , wherein the article is an adhesive, a coating, a primer, a sealant, a curing compound, a construction product, a flooring product, or a composite product.

29. The article of claim 27 , wherein the article is a coating, primer, sealant, or curing compound which is applied to a metal or cementitious substrate.