Hybrid components containing reactive hotmelt adhesives

1. A hybrid component comprising:

a metal bound to a polymer with a laurolactam-based copolyamide hotmelt adhesive that comprises 2.5% to 15% of blocked isocyanate and 2.5% to 10% of epoxide, and

a cathodic electrocoating (EC) over the surface of the metal bound to the polymer which is distinct from the hotmelt adhesive.

2. The hybrid component of claim 1 that is made by a process comprising:

binding a metal to a polymer with said laurolactam-based copolyamide hotmelt adhesive, and

applying a cathodic electrocoating, which is distinct from the laurolactam-based polyamide hotmelt adhesive, over the surface of the metal bound to the polymer.

3. The hybrid component according to claim 2 , wherein said process further comprises

coating said metal over its full area with said hotmelt adhesive using an electrostatic spray gun or a suitable coating system, and

sintering incipiently at 150° C. 120 to 300 seconds.

4. The hybrid component according to claim 2 , wherein said process further comprises

partially coating said metal with said hotmelt adhesive using an electrostatic spray gun or a suitable coating system, and

sintering incipiently at 150° C. 120 to 300 seconds.

5. The hybrid component according to claim 2 , wherein said process further comprises passing said hybrid component through an EC oven for coating.

6. The hybrid component according to claim 2 , wherein said process further comprises degreasing of said metal.

7. The hybrid component according to claim 2 , wherein said process further comprises preheating of the metal to 60 to 80° C.

8. The hybrid component according to claim 2 , wherein said process further comprises exposing said hybrid to a temperature of 150° C. to 190° C. for a period of 10 to 30 minutes in a cathodic electrocoating oven.

9. The hybrid component of claim 1 that is made by a process comprising:

coating a metal with said hotmelt adhesive using a electrostatic spray gun to obtain a coated metal.

10. The hybrid component according to claim 1 that is made by a process comprising:

coating said metal over its full area with said hotmelt adhesive using an electrostatic spray gun or a suitable coating system, and

sintering incipiently at 150° C. 120 to 300 seconds.

11. The hybrid component according to claim 1 that is made by a process that comprises:

partially coating said metal with said hotmelt adhesive using an electrostatic spray gun or a suitable coating system, and

sintering incipiently at 150° C. 120 to 300 seconds.

12. The hybrid component according to claim 1 , that is made by a process that comprises passing said hybrid component through an EC oven for coating.

13. The hybrid component according to claim 1 , that is made by a process that comprises degreasing of said metal.

14. The hybrid component according to claim 1 , that is made by a process that comprises preheating the metal to 60 to 80° C.

15. The hybrid component according to claim 1 , that is made by a process that comprises exposing said hybrid component to a temperature of 150° C. to 190° C. for a period of 10 to 30 minutes in a cathodic electrocoating oven.

16. The hybrid component according to claim 1 , that is made by a process comprising:

coating a metal with said hotmelt adhesive using an electrostatic spray gun to obtain a coated metal; and

binding the coated metal to a polymer;

wherein said coated metal is heated at about 150° C. over a time of approximately 120to 300 seconds in order to cause incipient melting of the adhesive; and

wherein said polymer is introduced by injection moulding, to obtain a structure-forming component which then passes through an EC oven for coating a temperature of 150° C. to 190° C. for a period of 10 to 30 minutes.

17. A vehicle construction comprising the hybrid component of claim 1 .

18. A rail construction comprising the hybrid component of claim 1 .

19. An aircraft construction comprising the hybrid component of claim 1 .

20. A bumper comprising the hybrid component of claim 1 .