The invention relates to a self-sealing elastomer composition that can particularly be used as an anti-puncture layer in a pneumatic object, and that comprises at least: an unsaturated diene elastomer as the major elastomer; a thermoplastic hydrocarbon plasticising resin in a weight rate of between 20 and 90 pce; a liquid plasticizer having a glass transition temperature Tg lower than -20 DEG C and in a weight rate of between 0 and 60 pce; and from 0 to less than 30 pce of a filler. The invention also relates to a pneumatic object such as a pneumatic tyre provided with an anti-puncture layer containing a composition according to the invention. The anti-puncture layer is advantageously combined with an air-tight layer containing e.g. butyl rubber, in order to form an air-tight and anti-puncture laminate in the pneumatic object.


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    Title :

    Self-Sealing Composition for Pneumatic Object


    Contributors:

    Publication date :

    2016-02-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen



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