Abstract:
A rubber composition comprising a plurality of composite particles and an elastomer is provided. A composite comprising a conductive polymer and a clay particle are also provided. Use of each in various applications and methods of preparing each are also provided.
Abstract:
La présente invention concerne une composition de caoutchouc à base d'un ou plusieurs élastomère(s) diénique(s), d'au moins une charge renforçante, d'au moins un agent de couplage, d'au moins un système de réticulation chimique, dans laquelle la charge renforçante comprend de la silice sous forme de nanoparticules essentiellement sphériques, la surface spécifique de cette silice allant de30 m 2 /g à 250 m 2 /g. L'invention concerne un procédé de fabrication d'une telle composition ainsi que des articles semi-finis ou finis comprenant au moins une telle composition.
Abstract:
Embodiments of the present disclosure are directed to polyolefin grafted polydiene polymers, wherein the polyolefin grafted polydiene polymers comprises a polydiene having a polydiene polymer backbone, a polyolefin, and at least one sulfur containing functionalizing agent which grafts the polyolefin onto at least one non-terminal position on the polydiene polymer backbone.
Abstract:
A paint having high thermal conductivity to be applied to the outer surface of a tire. The paint consists of a rubber compound having a thermal conductivity greater than or equal to 0.2 Wm -1 K -1 , a viscosity of between 0.5 and 10000 cP and an elasticity modulus less than or equal to 8 MPa.
Abstract:
Disclosed herein are rubber compositions comprising shea butter and a rubber, and tires (and tire components) made from the rubber compositions. The rubber component comprises at least one conjugated diene monomer-containing polymer or copolymer. Also disclosed are methods of improving the wear resistance of the rubber composition by utilizing shea butter.
Abstract:
A pneumatic tire having a sidewall cover layer for application of a printing ink and/or paint is provided. In one embodiment, the tire comprises: a sidewall portion including a cushion layer and a cover layer, wherein the cover layer is oriented axially outwardly of the cushion layer, wherein the cover layer is bonded to the cushion layer, wherein the cover layer is formed from a material that contains wax in a concentration of less than 0.03 pph, and wherein the cushion layer does not contain a wax.