Method for producing laminate composite materials

1. A method for the production of laminate composite materials based on halogenated polymers comprising:

providing a laminar structure formed from halogenated polymer;

applying a textile mat structure based on inorganic fibres onto at least one side of the laminar structure;

applying a second laminar structure formed from halogenated polymer to the textile mat structure based on glass fibres to form a composite; and

laminating the composite by applying one or both of pressure and temperature, wherein:

the textile mat structure based on inorganic fibres is a fibre nonwoven;

the fibre nonwoven comprises regions with high air permeability having a first thickness and regions with low air permeability with a second thickness;

peripheral edges of the regions with high air permeability are banked up and have a third thickness;

the third thickness is greater than the second thickness; and

the second thickness is greater than the first thickness.

2. A sandwich-like laminate composite material based on halogenated polymers comprising:

a first laminar structure formed from halogenated polymer;

a second laminar structure formed from halogenated polymer;

a textile mat structure based on inorganic fibres is disposed between the first laminar structure and the second laminar structure, wherein:

the first laminar structure, the textile mat structure based on inorganic fibres, and the second laminar structure are bonded together by lamination;

the textile mat structure based on inorganic fibres is a nonwoven; and

the fibre nonwoven, comprises regions with high air permeability having a first thickness and regions with low air permeability with a second thickness;

peripheral edges of the regions with high air permeability are banked up and have a third thickness;

the third thickness is greater than the second thickness; and

the second thickness is greater than the first thickness.

3. A carpet product comprising:

a carpet material; and

a fibre nonwoven coupled with the carpet material, the fibre nonwoven,

comprising regions with high air permeability having a first thickness and regions with low air permeability with a second thickness, wherein:

peripheral edges of the regions with high air permeability are banked up and have a third thickness;

the third thickness is greater than the second thickness; and

the second thickness is greater than the first thickness.

4. A composite material comprising:

a support material,

a textile mat structure based on inorganic fibres disposed on the support material, wherein:

the support material and the textile mat structure are bonded together by lamination;

the textile mat structure based on inorganic fibres is a nonwoven; and

the fibre nonwoven comprises regions with high air permeability having a first thickness and regions with low air permeability with a second thickness;

peripheral edges of the regions with high air permeability are banked up and have a third thickness;

the third thickness is greater than the second thickness; and

the second thickness is greater than the first thickness.

5. A textile mat structure based on inorganic fibers comprising;

a fibre nonwoven

comprising regions with high air permeability having a first thickness and regions with low air permeability with a second thickness;

peripheral edges of the regions with high air permeability are banked up and have a third thickness;

the third thickness is greater than the second thickness; and

the second thickness is greater than the first thickness.

6. The textile mat structure as claimed in claim 5 , wherein:

a difference in air permeability between the regions with high air permeability and the regions with low air permeability is a minimum of 50%.

7. The textile mat structure as claimed in claim 5 , wherein:

a basis weight in the regions with high air permeability is a maximum of 70% by weight of the mean basis weight.

8. The textile mat structure as claimed in claim 5 , wherein:

the regions with high air permeability have a local thickness which is a maximum of 80% of the mean nonwoven thickness “d”.

9. The textile mat structure as claimed in claim 5 , wherein:

the regions with high air permeability have a geometry with a larger length L1 and a smaller length L2; and

L1>5 mm and the ratio L1/L2 is in the range 1-10.

10. The textile mat structure as claimed in claim 5 , wherein:

an edge of the regions with high air permeability is banked up and the banking Δ is the difference “D” minus “d” and is a maximum of 20% of the thickness “d”.

11. The textile mat structure as claimed in claim 5 , wherein:

the regions with high air permeability are separated from each other by the regions with low air permeability; and

the distances between the respective regions with high air permeability is between 5 and 20 mm.

12. The textile mat structure as claimed in claim 5 , wherein:

a surface area of the regions with high air permeability is between 5 and 90% of a total surface area of the textile mat structure.

13. The textile mat structure as claimed in claim 2 , wherein:

the halogenated polymer comprises polyvinyl chloride (PVC).

14. The textile mat structure as claimed in claim 5 , further comprising:

a laminar structure formed from halogenated polymer coupled with the textile mat structure.

15. The textile mat structure as claimed in claim 14 , wherein:

the halogenated polymer comprises polyvinyl chloride (PVC).