Epoxy resin composition comprising 2-(3-(aminomethyl)-3,5,5-trimethylcyclohexyl)propane-1,3-diamine (AM-CPDA) as hardener

1. An epoxy resin composition comprising:

A) at least one epoxy compound

and

B) a hardener composition comprising:

B1) from 0.1%-100% by weight of 2-(3-(aminomethyl)-3,5,5-trimethylcyclohexyl)propane-1,3-diamine,

and

B2) from 99.9%-0% by weight of at least one further diamine and/or polyamine,

where the stoichiometric ratio of the epoxy groups of A) and the number of active hydrogen atoms of the functional groups of B) varies from 1:2 to 2:1,

C) optionally from 0.1% to 10% by weight of at least one hardening accelerator,

D) optionally at least one latent hardener,

where the amounts of A)-D) add up to 100% by weight,

E) optionally further additives.

2. An epoxy resin composition consisting of:

A) at least one epoxy compound

and

B) a hardener composition consisting of:

B1) from 0.1%-100% by weight of 2-(3-(aminomethyl)-3,5,5-trimethylcyclohexyl)propane-1,3-diamine,

and

B2) from 99.9%-0% by weight of at least one further diamine and/or polyamine,

where the stoichiometric ratio of the epoxy groups of A) and the number of hydrogen atoms of the functional groups of B) varies from 1:2 to 2:1,

C) optionally from 0.1% to 10% by weight of at least one hardening accelerator,

D) optionally at least one latent hardener,

where the amounts of A)-D) add up to 100% by weight,

E) optionally further additives.

3. The epoxy resin composition according to claim 1 , wherein epoxy compounds A) are selected from saturated, unsaturated, aliphatic, cycloaliphatic, aromatic and heterocyclic epoxy compounds, and these may also have hydroxyl groups.

4. The epoxy resin composition according to claim 1 , wherein epoxy compounds A) are selected from glycidyl ethers, glycidyl esters, aliphatic epoxides, diglycidyl ethers based on bisphenol A and/or bisphenol F, and glycidyl methacrylates.

5. The epoxy resin composition according to claim 1 , wherein epoxy compounds A) are selected from the group comprising epoxy resins based on bisphenol A diglycidyl ether, epoxy resins based on bisphenol F diglycidyl ether, 4,4′-methylenebis[N,N-bis(2,3-epoxypropyl)aniline], hexanediol diglycidyl ether, butanediol diglycidyl ether, trimethylolpropane triglycidyl ether, propane-1,2,3-triol triglycidyl ether, pentaerythritol tetraglycidyl ether, diglycidyl hexahydrophthalate, and aliphatic or cycloaliphatic epoxy resin types.

6. The epoxy resin composition according to claim 1 , wherein component B2) comprises the following amines, alone or in mixtures:

aliphatic amines, adipic dihydrazide, hydrazine, or polyalkylenepolyamines selected from ethylene-1,2-diamine, propylene-1,2-diamine, propylene-1,3-diamine, butylene-1,2-diamine, butylene-1,3-diamine, butylene-1,4-diamine, 2-(ethylamino)ethylamine, 3-(methylamino)propylamine, diethylenetriamine, triethylenetetramine, pentaethylenehexamine, trimethylhexamethylenediamine, 2,2,4-trimethylhexamethylenediamine, 2,4,4-trimethylhexamethylenediamine, 2-methylpentanediamine, hexamethylenediamine, N-(2-aminoethyl)ethane-1,2-diamine, N-(3-aminopropyl)propane-1,3-diamine, N,N″-1,2-ethanediylbis(1,3-propanediamine), and dipropylenetriamine;

oxyalkylenepolyamines selected from polyoxypropylenediamine, polyoxypropylenetriamine, 1,13-diamino-4,7,10-trioxatridecane, and 4,7-dioxadecane-1,10-diamine;

cycloaliphatic amines selected from isophoronediamine (3,5,5-trimethyl-3-aminomethylcyclohexylamine), 4,4′-diaminodicyclohexylmethane, 2,4′-diaminodicyclohexylmethane and 2,2′-diaminodicyclohexylmethane, 3,3′-dimethyl-4,4′-diaminodicyclohexylmethane, N-cyclohexyl-1,3-propanediamine, 1,2-diaminocyclohexane, 3-(cyclohexylamino)propylamine, piperazine, N-aminoethylpiperazine, TCD diamine and 4-methylcyclohexane-1,3-diamine;

araliphatic amines or xylylenediamines;

aromatic amines selected from phenylenediamines, phenylene-1,3-diamine, phenylene-1,4-diamine, 4,4′-diaminodiphenylmethane, 2,4′-diaminodiphenylmethane, and 2,2′-diaminodiphenylmethane,

adduct hardeners comprising the reaction products of epoxy compounds, comprising glycidyl ethers of bisphenol A and F, with excess amine;

polyamidoamine hardeners obtained by the condensation of mono- and polycarboxylic acids with polyamines or

Mannich base hardeners.

7. The epoxy resin composition according to claim 1 , wherein di- and/or polyamines B2) are selected from isophoronediamine, 4,4′-diaminodicyclohexylmethane, 2,4′-diaminodicyclohexylmethane, 2,2′-diaminodicyclohexylmethane, a mixture of the isomers of 2,2,4-trimethylhexamethylenediamine and 2,4,4-trimethylhexamethylenediamine, and adduct hardeners based on the reaction products of epoxy compounds and di- and/or polyamines B2) or combination of the aforementioned di- and/or polyamines B2).

8. The epoxy resin composition according to claim 1 , wherein di- and/or polyamines B2) are selected from

a) isophoronediamine,

b) a combination of

1. isophoronediamine and

2. a mixture of the isomers of 2,2,4-trimethylhexamethylenediamine and 2,4,4-trimethylhexamethylenediamine,

3. and/or a mixture of the isomers of 4,4′-diaminodicyclohexylmethane, 2,4′-diaminodicyclohexylmethane and 2,2′-diaminodicyclohexylmethane,

c) a combination of

1. a mixture of the isomers of 2,2,4-trimethylhexamethylenediamine and 2,4,4-trimethylhexamethylenediamine,

2. and/or a mixture of the isomers of 4,4′-diaminodicyclohexylmethane, 2,4′-diaminodicyclohexylmethane and 2,2′-diaminodicyclohexylmethane,

d) and/or adduct hardeners based on the reaction products of epoxy compounds and the aforementioned amines B2) or combination of the aforementioned amines B2).

9. The epoxy resin composition according to claim 1 , wherein hardening accelerators C) present are imidazole and/or imidazole derivatives.

10. The epoxy resin composition according to claim 1 , wherein latent hardeners D) are selected from dicyandiamide, cyanoguanidines, aromatic amines, guanidines, modified polyamines, N-acylimidazoles, imidazoles, carbonyl hydrazides, triazine derivatives, melamine and derivatives thereof, N-cyanoacylamide compounds, and acylthiopropylphenols.

11. The epoxy resin composition according to claim 1 , comprising from 0.1% to 10% by weight of at least one hardening accelerator compounds.

12. The epoxy resin composition according to claim 11 , wherein the hardening accelerators are imidazole and/or imidazole derivatives.

13. The epoxy resin composition according to claim 1 , comprising at least one latent hardener.

14. The epoxy resin composition according to claim 13 , wherein the at least one latent hardener is selected from dicyandiamide, cyanoguanidines, aromatic amines, guanidines, modified polyamines, N-acylimidazoles, imidazoles, carbonyl hydrazides, triazine derivatives, melamine and derivatives thereof, N-cyanoacylamide compounds, and acylthiopropylphenols.

15. The epoxy resin composition according to claim 3 , wherein di- and/or polyamines B2) are selected from isophoronediamine, 4,4′-diaminodicyclohexylmethane, 2,4′-diaminodicyclohexylmethane, 2,2′-diaminodicyclohexylmethane, a mixture of the isomers of 2,2,4-trimethylhexamethylenediamine and 2,4,4-trimethylhexamethylenediamine, and adduct hardeners based on the reaction products of epoxy compounds and di- and/or polyamines B2) or combination of the aforementioned di- and/or polyamines B2).

16. The epoxy resin composition according to claim 4 , wherein di- and/or polyamines B2) are selected from isophoronediamine, 4,4′-diaminodicyclohexylmethane, 2,4′-diaminodicyclohexylmethane, 2,2′-diaminodicyclohexylmethane, a mixture of the isomers of 2,2,4-trimethylhexamethylenediamine and 2,4,4-trimethylhexamethylenediamine, and adduct hardeners based on the reaction products of epoxy compounds and di- and/or polyamines B2) or combination of the aforementioned di- and/or polyamines B2).

17. The epoxy resin composition according to claim 3 , wherein component B2) comprises the following amines, alone or in mixtures:

aliphatic amines, adipic dihydrazide, hydrazine, or polyalkylenepolyamines, selected from ethylene-1,2-diamine, propylene-1,2-diamine, propylene-1,3-diamine, butylene-1,2-diamine, butylene-1,3-diamine, butylene-1,4-diamine, 2-(ethylamino)ethylamine, 3-(methylamino)propylamine, diethylenetriamine, triethylenetetramine, pentaethylenehexamine, trimethylhexamethylenediamine, 2,2,4-trimethylhexamethylenediamine, 2,4,4-trimethylhexamethylenediamine, 2-methylpentanediamine, hexamethylenediamine, N-(2-aminoethyl)ethane-1,2-diamine, N-(3-aminopropyl)propane-1,3-diamine, N,N″-1,2-ethanediylbis(1,3-propanediamine), and dipropylenetriamine;

oxyalkylenepolyamines selected from polyoxypropylenediamine, polyoxypropylenetriamine, 1,13-diamino-4,7,10-trioxatridecane, and 4,7-dioxadecane-1,10-diamine;

cycloaliphatic amines selected from isophoronediamine (3,5,5-trimethyl-3-aminomethylcyclohexylamine), 4,4′-diaminodicyclohexylmethane, 2,4′-diaminodicyclohexylmethane and 2,2′-diaminodicyclohexylmethane, 3,3′-dimethyl-4,4′-diaminodicyclohexylmethane, N-cyclohexyl-1,3-propanediamine, 1,2-diaminocyclohexane, 3-(cyclohexylamino)propylamine, piperazine, N-aminoethylpiperazine, TCD diamine and 4-methylcyclohexane-1,3-diamine;

araliphatic amines or xylylenediamines;

aromatic amines selected from phenylenediamines, phenylene-1,3-diamine, phenylene-1,4-diamine, 4,4′-diaminodiphenylmethane, 2,4′-diaminodiphenylmethane, and 2,2′-diaminodiphenylmethane;

adduct hardeners comprising the reaction products of epoxy compounds comprising glycidyl ethers of bisphenol A and F, with excess amine;

polyamidoamine hardeners obtained by the condensation of mono- and polycarboxylic acids with polyamines or

Mannich base hardeners.

18. The epoxy resin composition according to claim 4 , wherein component B2) comprises the following amines, alone or in mixtures:

aliphatic amines, adipic dihydrazide, hydrazine, or polyalkylenepolyamines selected from ethylene-1,2-diamine, propylene-1,2-diamine, propylene-1,3-diamine, butylene-1,2-diamine, butylene-1,3-diamine, butylene-1,4-diamine, 2-(ethylamino)ethylamine, 3-(methylamino)propylamine, diethylenetriamine, triethylenetetramine, pentaethylenehexamine, trimethylhexamethylenediamine, 2,2,4-trimethylhexamethylenediamine, 2,4,4-trimethylhexamethylenediamine, 2-methylpentanediamine, hexamethylenediamine, N-(2-aminoethyl)ethane-1,2-diamine, N-(3-aminopropyl)propane-1,3-diamine, N,N″-1,2-ethanediylbis(1,3-propanediamine), and dipropylenetriamine;

oxyalkylenepolyamines selected from polyoxypropylenediamine, polyoxypropylenetriamine, 1,13-diamino-4,7,10-trioxatridecane, and 4,7-dioxadecane-1,10-diamine;

cycloaliphatic amines selected from isophoronediamine (3,5,5-trimethyl-3-aminomethylcyclohexylamine), 4,4′-diaminodicyclohexylmethane, 2,4′-diaminodicyclohexylmethane and 2,2′-diaminodicyclohexylmethane, 3,3′-dimethyl-4,4′-diaminodicyclohexylmethane, N-cyclohexyl-1,3-propanediamine, 1,2-diaminocyclohexane, 3-(cyclohexylamino)propylamine, piperazine, N-aminoethylpiperazine, TCD diamine and 4-methylcyclohexane-1,3-diamine;

araliphatic amines or xylylenediamines;

aromatic amines selected from phenylenediamines, phenylene-1,3-diamine, phenylene-1,4-diamine, 4,4′-diaminodiphenylmethane, 2,4′-diaminodiphenylmethane, and 2,2′-diaminodiphenylmethane;

adduct hardeners comprising the reaction products of epoxy compounds, comprising glycidyl ethers of bisphenol A and F, with excess amine;

polyamidoamine hardeners obtained by the condensation of mono- and polycarboxylic acids with polyamines, or

Mannich base hardeners.

19. The epoxy resin composition according to claim 5 , wherein component B2) comprises the following amines, alone or in mixtures:

aliphatic amines, adipic dihydrazide, hydrazine, or polyalkylenepolyamines selected from ethylene-1,2-diamine, propylene-1,2-diamine, propylene-1,3-diamine, butylene-1,2-diamine, butylene-1,3-diamine, butylene-1,4-diamine, 2-(ethylamino)ethylamine, 3-(methylamino)propylamine, diethylenetriamine, triethylenetetramine, pentaethylenehexamine, trimethylhexamethylenediamine, 2,2,4-trimethylhexamethylenediamine, 2,4,4-trimethylhexamethylenediamine, 2-methylpentanediamine, hexamethylenediamine, N-(2-aminoethyl)ethane-1,2-diamine, N-(3-aminopropyl)propane-1,3-diamine, N,N″-1,2-ethanediylbis(1,3-propanediamine), and dipropylenetriamine;

oxyalkylenepolyamines selected from polyoxypropylenediamine, polyoxypropylenetriamine, 1,13-diamino-4,7,10-trioxatridecane, and 4,7-dioxadecane-1,10-diamine;

cycloaliphatic amines selected from isophoronediamine (3,5,5-trimethyl-3-aminomethylcyclohexylamine), 4,4′-diaminodicyclohexylmethane, 2,4′-diaminodicyclohexylmethane and 2,2′-diaminodicyclohexylmethane, 3,3′-dimethyl-4,4′-diaminodicyclohexylmethane, N-cyclohexyl-1,3-propanediamine, 1,2-diaminocyclohexane, 3-(cyclohexylamino)propylamine, piperazine, N-aminoethylpiperazine, TCD diamine and 4-methylcyclohexane-1,3-diamine;

araliphatic amines or xylylenediamines;

aromatic amines selected from phenylenediamines, phenylene-1,3-diamine, phenylene-1,4-diamine, 4,4′-diaminodiphenylmethane, 2,4′-diaminodiphenylmethane, and 2,2′-diaminodiphenylmethane;

adduct hardeners comprising the reaction products of epoxy compounds, comprising glycidyl ethers of bisphenol A and F, with excess amine;

polyamidoamine hardeners obtained by the condensation of mono- and polycarboxylic acids with polyamines or

Mannich base hardeners.