A sealed elastomeric laminate for a tyre, said laminate comprising at least two superimposed layers of elastomer: a first layer, consisting of a composition made from at least one polystyrene and polyisobutylene block thermoplastic elastomer, the level of polystyrene and polyisobutylene block thermoplastic elastomer being within a range from more than 50 to 100 phr (parts by weight per 100 parts by weight of elastomer), and from a plasticising system comprising from 1 to 40 phr of a plasticising oil and from 1 to 40 phr of a hydrocarbon resin, the total level of plasticiser being within a range from 2 to 70 phr; a second layer, consisting of a composition made from at least one diene elastomer, the level of diene elastomer being within a range from more than 50 to 95 phr, and from at least one styrenic thermoplastic elastomer (TPS), the level of styrenic thermoplastic elastomer being within a range from 5 to less than 50 phr.
Elastomeric laminate for a tyre
04.11.2015
Patent
Elektronische Ressource
Englisch
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