Fireproof bulkhead of a highly porous structure with intumescent coating and method for its production

1. A fireproof bulkhead comprising a highly porous structure with an intumescent coating, the highly porous structure being formed as a highly porous pimple or nub structure, and the coating being applied to an inner surface of cell walls of the highly porous structure, wherein the highly porous structure has a high level of permeability to gases, wherein the highly porous pimple or nub structure is produced by forming over a template, and wherein the fireproof bulkhead is formed as a fire barrier for a baggage compartment.

2. The fireproof bulkhead according to claim 1 , wherein the highly porous structure is formed as a highly porous pimple or nub structure and the highly porous pimple or nub structure comprises at least one of a woven and a laid fabric of fibers.

3. The fireproof bulkhead according to claim 2 , wherein the fibers are at least one of glass fibers and polyester fibers.

4. The fireproof bulkhead according to claim 3 , wherein the fibers are quartz glass fibers.

5. The fireproof bulkhead according to claim 1 , wherein the intumescent coating is an intumescent lacquer.

6. The fireproof bulkhead according to claim 1 , wherein the intumescent coating is resistant to hydrolysis.

7. The fireproof bulkhead according to claim 1 , wherein the intumescent coating exhibits its intumescent effect at a temperature above 200° C.

8. The fireproof bulkhead according to claim 1 , wherein the intumescent coating exhibits its intumescent effect at a temperature above 400° C.

9. The fireproof bulkhead according to claim 1 , wherein the intumescent coating exhibits its intumescent effect at a temperature above 600° C.

10. Aircraft or spacecraft with a fireproof bulkhead according to claim 1 .

11. The aircraft or spacecraft with a fireproof bulkhead according to claim 10 , wherein the fireproof bulkhead is arranged to the sides of a hold of an aircraft or spacecraft, in order to fill the cavity between the hold and the fuselage of the aircraft or spacecraft.

12. The fireproof bulkhead according to claim 1 , wherein the highly porous structure is formed as a highly porous pimple or nub structure and wherein two layers of a pimple or nub structure are placed one inside the other in an opposing fashion.

13. The fireproof bulkhead according to claim 1 , wherein the intumescent coating fills the highly porous structure completely when thermal foam is produced.

14. A method for producing a fireproof bulkhead according to claim 1 comprising:

providing a highly porous structure, the highly porous structure being formed as a highly porous pimple or nub structure; and

coating the highly porous structure with an intumescent material, wherein the highly porous pimple or nub structure is produced by forming over a template.

15. The method for producing a fireproof bulkhead according to claim 14 , wherein the coating is performed by spraying or dip coating.