Tire ready to receive a member on the surface thereof
A tire comprises an inner surface and/or outer surface with an accommodating region, an adhesive layer arranged on said accommodating region and a protective film arranged on said adhesive layer, characterized in that said adhesive layer is based on a block thermoplastic elastomer (TPE) comprising an elastomer block based on a diene elastomer comprising a molar content (or content by weight) of unsaturations of greater than 10%.
1. An assembly of a tire and a member intended to be fixed to the surface of the tire,
wherein the tire comprises an inner surface and/or outer surface with an accommodating region, an adhesive layer arranged on the accommodating region and a protective film arranged on the adhesive layer,
wherein a composition of the adhesive layer consists of a block thermoplastic elastomer comprising a diene elastomer block with a molar content of diene units relative to all of the units of the elastomer block of greater than 10%, and
wherein the member comprises an attachment layer, the composition of which consists of a block thermoplastic elastomer that is the same as the block thermoplastic elastomer of the adhesive layer of the accommodating region of the tire.
2. The assembly according to claim 1 , wherein the molar content of diene units of the diene elastomer block of the composition of the adhesive layer relative to all of the units of the elastomer block is greater than 50%.
3. The assembly according to claim 1 , wherein the diene of the diene elastomer block is selected from the C4-C12 conjugated dienes.
4. The assembly according to claim 1 , wherein the diene elastomer block is a copolymer obtained by copolymerization of one or more dienes conjugated with one another or with one or more vinylaromatic compounds having from 8 to 20 carbon atoms.
5. The assembly according to claim 1 , wherein the diene of the diene elastomer block is selected from the group consisting of butadienes, isoprenes, and mixtures thereof.
6. The assembly according to claim 1 , wherein the diene elastomer block is based on isoprene.
7. The assembly according to claim 1 , wherein a thermoplastic block of the block thermoplastic elastomer of the composition of the adhesive layer is selected from the group consisting of polyamide, polyester and styrene blocks.
8. The assembly according to claim 7 , wherein the thermoplastic block of the block thermoplastic elastomer of the composition of the adhesive layer is a styrene block.
9. The assembly according to claim 8 , wherein the block thermoplastic elastomer is selected from the group consisting of styrene/isoprene block copolymers.
10. The assembly according to claim 9 , wherein the block thermoplastic elastomer is a predominantly styrene/isoprene diblock copolymer.
11. The assembly according to claim 9 , wherein the block thermoplastic elastomer is a predominantly styrene/isoprene/styrene triblock copolymer.
12. The assembly according to claim 1 , wherein the block thermoplastic elastomer of the composition of the adhesive layer is a block thermoplastic elastomer mixture.
13. The assembly according to claim 1 , wherein the protective film is a thermoplastic film selected such that the peel force of the protective film from the adhesive layer is less than 1 N/mm at 20° C.
14. The assembly according to claim 13 , wherein the protective film is selected from the group consisting of polyesters, polyamides and films comprising at least one fluoropolymer.
15. The assembly according to claim 14 , wherein the fluoropolymer comprises a fluorinated ethylene/propylene copolymer.
16. The assembly according to claim 1 , wherein the Tg or melting point, if appropriate, of the protective film is greater than the maximum curing temperature of the rubber mixture of the accommodating region.
17. The assembly according to claim 1 , wherein the member is a casing able to receive an electronic device.
18. The assembly according to claim 1 , wherein the member is an electronic device.
19. A method for making an assembly according to claim 1 comprising the steps of:
removing all or a portion of the protective film;
bringing both the adhesive layer and the attachment layer to a temperature greater than the softening points of the thermoplastic blocks of the block thermoplastic elastomers; and
bringing the attachment layer and the adhesive layer into contact by applying pressure thereto.
20. An assembly of a tire and a member intended to be fixed to the surface of the tire,
wherein the tire comprises an inner surface and/or outer surface with an accommodating region, an adhesive layer arranged on the accommodating region and a protective film arranged on the adhesive layer,
wherein a composition of the adhesive layer consists of a block thermoplastic elastomer comprising a diene elastomer block with a molar content of diene units relative to all of the units of the elastomer block of greater than 10%,
wherein the protective film is selected from the group consisting of polyesters, polyamides and films comprising at least one fluoropolymer, and
wherein the member comprises an attachment layer, the composition of which consists of a block thermoplastic elastomer that is the same as the block thermoplastic elastomer of the adhesive layer of the accommodating region of the tire.