Cover laminate or cover layer system
The invention relates to a cover laminate such as a roof laminate or cover layer system ( 10 ) comprising at least a first layer ( 14 ), which extends on the cover side, in the form of a migration-inhibiting barrier layer or barrier film with respect to bitumen, plasticizer and/or EPS, and a second layer ( 12 ), which extends on the side away from the cover, in the form of a first nonwoven, wherein the first layer is connected to the second layer either by means of a reactive plasticizer-resistant adhesive ( 16 ), or, in the case of formation of the first layer as a thermoplastic hot-melt adhesive film, by means of said film.
1. A laminated article for covering a structure, comprising:
(i) a barrier layer including:
a central layer of a thermoplastic hot-melt adhesive film, the central layer having a first surface and a second surface;
a first layer of an adhesive or an adhesion promoter disposed on the first surface of the central layer;
a second layer of an adhesive or an adhesion promoter disposed on the second surface of the central layer;
a first layer of a polyolefin disposed on the first layer of the adhesive or the adhesion promoter; and
a second layer of a polyolefin disposed on the second layer of the adhesive or the adhesion promoter; and,
(ii) a first layer of a non-woven material connected to the first layer of the polyolefin by a first reactive plasticizer-resistant adhesive.
2. The laminated article according to claim 1 , further comprising a second layer of a non-woven material connected to the second layer of the polyolefin.
3. The laminated article according to claim 2 , wherein the second layer of the non-woven material is connected to the second layer of the polyolefin by the reactive plasticizer-resistant adhesive.
4. The laminated article according to claim 1 , wherein the reactive plasticizer-resistant adhesive is a reactive plasticizer-resistant hot-melt adhesive.
5. The laminated article according to claim 1 , wherein the first layer of the non-woven material comprises a material selected from the group consisting of a polyester; at least one of a homopolymer or copolymer of ethylene, and a homoplymer or copolymer of propylene; a polyamide; viscose; a polyethylene terephthalate; and a polyurethane.
6. The laminated article according to claim 1 , wherein the first layer of the non-woven material has a thickness d v , wherein 0.1 mm≤d v ≤5 mm, and/or a grammage G, wherein 5 g/m 2 ≤G≤1000 g/m 2 .
7. The laminated article according to claim 1 , wherein the reactive plasticizer-resistant adhesive comprises a polyurethane and is one-component hot-melt adhesive, or a multi-component hot-melt adhesive, or the reactive plasticizer-resistant adhesive is a polyolefinic thermoplastic adhesive or adhesive melt.
8. The laminated article according to claim 1 ,
wherein the central layer comprises a material selected from the group consisting of a polyamide, a copolyamide, a thermoplastic polyamide, a polyethylene terephthalate, an ethylene vinyl alcohol copolymer, a polypropylene, a polyethylene, a polyvinylidene chloride, a polyvinylidene fluoride, a polyacrylonitrile, a polyethylene naphthalate, a polycarbonate, a thermoplastic, and a thermoplastic elastomer.
9. The laminated article according to claim 1 , wherein the barrier layer has a thickness ds, wherein 5 μm≤ds≤100 μm.
10. The laminated article according to claim 1 , wherein the first layer of the non-woven material is mixed with a superabsorbent polymer or a swellable polymer.
11. The laminated article according to claim 2 , wherein at least one of the first layer of the non-woven material and the second layer of the non-woven material comprises a material selected from the group consisting of a polyester; at least one of a homopolymer or copolymer of ethylene, and a homoplymer or copolymer of propylene; a polyamide; viscose; a polyethylene terephthalate; and a polyurethane.
12. The laminated article according to claim 2 , wherein at least one of the first layer of the non-woven material and the second layer of the non-woven material has a thickness d v , wherein 0.1 mm≤d v ≤5 mm, and/or a grammage G, wherein 5 g/m 2 ≤G≤1000 g/m 2 .
13. The laminated article according to claim 8 , wherein the thermoplastic and the thermoplastic elastomer are selected from the group consisting of:
polyethylene, low-density polyethylene, ethylene/vinyl acetate copolymer, polybutene;
olefin-based thermoplastic elastomers, ethylene-propylene-diene/polypropylene copolymers;
crosslinked olefin-based thermoplastic elastomers;
thermoplastic polyurethanes, thermoplastic polyurethanes with aromatic hard segments and polyester soft segments, polyether soft segments, polyester and polyether soft segments or polycarbonate soft segments;
thermoplastic copolyesters, thermoplastic copolyesters with polyester soft segments, polyether soft segments;
styrene block copolymers, styrene/butadiene block copolymers, styrene/isoprene block copolymers, styrene/ethylene-butylene/styrene block copolymers, styrene/ethylene-propylene/styrene block copolymers; and
thermoplastic copolyamides, thermoplastic copolyamides, and thermoplastic polyurethanes.
14. The laminated article according to claim 1 ,
wherein the central layer comprises a member selected from the group consisting of a polyamide, a copolyamide, a thermoplastic polyamide, and a polyethylene terephthalate.
15. The laminated article according to claim 1 , wherein the central layer is a hot-melt adhesive based on a polyamide.
16. The laminated article according to claim 1 , wherein the central layer consists of a polyamide, a copolyamide, a thermoplastic polyamide, or a polyethylene terephthalate.
17. The laminated article according to claim 1 , further comprising a roofing sheet connected to the first layer of the non-woven material.
18. The combination according to claim 17 , wherein the roofing sheet comprises a material selected from the group consisting of a polyvinyl chloride, a thermoplastic elastomer, an olefin-based thermoplastic elastomer, a thermoplastic vulcanizate, an ethylene propylene diene rubber, an ethylene vinyl acetate, a polypropylene, a polyethylene, a polyamide, and mixtures thereof.