Multilayer floor covering
A multilayer floor covering includes a layer A of reinforcing fibers, an adhesive layer B, an underside layer C, a reinforcing layer D, free of reinforcing fibers, made of thermoplastic polymer chosen from the group comprising polyester resins, acrylic resins and mixtures thereof, and a surface layer E.
1. A multilayer floor covering comprising:
a layer A of reinforcing fibers, the layer A made of (i) polyester or phenolic resin and (ii) fiberglass;
an adhesive layer B;
an underside layer C;
a reinforcing layer D, free of reinforcing fibers, the layer D made of PETG and/or PET;
a surface layer E.
2. The multilayer floor covering according to claim 1 , wherein reinforcing layer D has a thickness ranging from between 0.07 mm and 0.40 mm.
3. The multilayer floor covering according to claim 1 , wherein layer A comprises, by weight relative to the weight of layer A:
20 to 80% reinforcing fibers;
80 to 20% polymer resin.
4. The multilayer floor covering according to claim 1 , wherein layer C is a polymer selected from the group consisting of: polyvinylchloride, ethylene-vinyl acetate copolymer and mixtures thereof.
5. The multilayer floor covering according to claim 1 , wherein layer D comprises a printed pattern on the side thereof facing layer E.
6. The multilayer floor covering according to claim 1 , wherein layer E comprises a printed pattern on the side thereof facing layer D.
7. The multilayer floor covering according to claim 1 , wherein layer E comprises a polymer chosen from the group consisting of: thermoplastic polyurethane, poly(vinylchloride) and mixtures thereof.
8. The multilayer floor covering according to claim 1 , further comprising at least one of the following layers:
a layer A made of polyester and fiberglass;
an adhesive layer B made of thermoplastic polyurethane;
a layer C made of PVC;
a layer E made of thermoplastic polyurethane.
9. The multilayer floor covering according to claim 1 , further comprising at least one of the following layers:
a layer A made of phenolic resin and fiberglass;
an adhesive layer B made of copolyamide;
a layer C made of PVC;
a layer E made of thermoplastic polyurethane.
10. The multilayer floor covering according to claim 1 , wherein the multilayer floor covering has a thickness less than 3.7 mm.
11. The multilayer floor covering according to claim 1 , wherein the multilayer floor covering has a surface density less than or equal to 2.3 kg/m 2 .
12. The multilayer floor covering according to claim 1 , wherein reinforcing layer D has a thickness ranging from between 0.07 mm and 0.40 mm, and a surface density ranging from between 50 and 500 g/m 2 .
13. The multilayer floor covering according to claim 1 , further comprising at least one of the following layers:
a layer A made of polyester and fiberglass;
an adhesive layer B made of thermoplastic polyurethane;
a layer C made of PVC comprising at least some fillers and/or at least one flame retardant agent;
a layer E made of thermoplastic polyurethane comprising at least one flame retardant agent.
14. The multilayer floor covering according to claim 1 , further comprising at least one of the following layers:
a layer A made of phenolic resin and fiberglass;
an adhesive layer B made of copolyamide;
a layer C made of PVC comprising at least some fillers and/or at least one flame retardant agent;
a layer E made of thermoplastic polyurethane comprising at least one flame retardant agent.
15. The multilayer floor covering according to claim 1 , wherein the reinforcing layer D comprises polymers with a bending modulus of elasticity between 1500 and 3500 MPa according to the ISO 178 standard.
16. The multilayer floor covering according to claim 1 , wherein the reinforcing layer D comprises polymers with a bending modulus of elasticity between 2000 and 3200 MPa according to the ISO 178 standard.
17. A method for production of the multilayer floor covering that is the subject of claim 1 , comprising the following steps:
production of layers A to E;
assembly of layers A to E.