Bridgestone Corporation

Pirelli Tyre S.p.a.

John Nazareno House

Paolo Straffi

Ludovica Caliano

Pasquale Agoretti

Salvatore Cotugno

Giuseppe Pezzullo

Alessandra Bartoloni

Giovanna Mancini

Alessandro Mauceri

Luisa Giansanti

Francesco Madau

Michele Amurri

Francesca Baione

Marco Bruni

Francesca Nanni

Stefano Mori

Valeria Cherubini

Marco Mazzonna

Claudio D'alfonso

Barbara Maria Secchi

A method for reducing the stickiness on the surface exposed to the air of a sealant layer applied on an inner cavity of a tyre. The method establishes that the surface exposed to the air of the sealant layer is subject to a UV radiation.

Method for the treatment of a sealant layer of a tyre, sealant and tyre

A compound for a tyre sealant layer comprising at least one polymer base consisting of an essentially saturated polymer and a filler, which in turn comprises kraft lignin.

Tyre sealant layer

A rubber mixture comprising at least one polymer base with a cross-linkable unsaturated chain, a vulcanization system, and antioxidant agents comprising in monomer form one or more compounds covered by the general formula (I) 

Class of antioxidant agents for polymer products

Use, as an anti-aging agent in polymer compounds, stilbene family compound of general formula (I): wherein the substitutes are selected from the following five combinations: a) R, Rand Rare OH; R, Rand Rare H; b) Rand Rare OCH; Rand Rare OH; Rand Rare H; c) Rand Rare OH; Rand Rare OC(CH); Rand Rare H; d) Rand Rare OCH; Rand Rare OH; Rand Rare C(CH); e) Rand Rare OC(CH); Rand Rare OH; Rand Rare H. 

Class of rubber product anti-aging agents

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Rome, Italy

John Nazareno House