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Patent

Rubber composition suitable for treads containing aluminium doped precipitated silica

Robert Vanel
TLDR
A rubber compsn. vulcanisable by sulphur based on dienic polymer contains reinforcement filling of a pptd. silica contg. an Al content of 0.35-3%, relative to silica.
Abstract: 
A rubber compsn. vulcanisable by sulphur based on dienic polymer contains: (i) a reinforcement filling of a pptd. silica contg. an Al content of 0.35-3%, relative to silica. Also claimed is a rubber tube or belt, made from the new material.

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Patent

Tyre tread reinforced with silica having a low specific surface area

Olivier Durel, +1 more
TL;DR: In this article, an elastomer composition reinforced with an inorganic filler and made from at least: (i) a diene elastomers, (ii) by way of a reinforcing inorganic fillers, more than 80 pce of a silica having a low specific surface area and the following characteristics: (a) a BET specific surface surface area of less than 130 m2/g; (b) an average particle size d?w? of between 30 and 300 nm; (iii) a coupling agent that is used to connect the reinforcing elast
Patent

Tire tread reinforced with a silica of low specific surface area

Olivier Durel, +1 more
TL;DR: In this article, a tire tread incorporating an elastomeric composition reinforced by an inorganic filler, based on at least: (i) a diene elastomers; (ii) as reinforcing inorganic fillers; and (iii) more than 80 phr of a silica of low specific surface area having the following characteristics: (a) a BET-specific surface area of less than 130 m2/g; (b) an average particle size, dw, of between 30 and 300 nm; (iii), a coupling agent providing the bond between the reinforcing
Patent

Rubber composition for tyre comprising an organosilicium coupling system

José Carlos Araujo Da Silva, +4 more
TL;DR: In this article, the authors proposed a coupling system comprising of a sulphurated silane compound, a bifunctional organosilicium compound, and an organosilane compound capable of being grafted on the elastomer by means of an azo-dicarbonyl functional (-CO-N=N-CO-) group.
Patent

Tyre and running tread comprising as coupling agent a bis-alkoxysilane tetrasulphide

Olivier Durel, +2 more
TL;DR: In this paper, the authors describe an elastomeric composition with improved vulcanization kinetics, based on at least a diene elastomers, a reinforcing inorganic filler and, as coupling agent (inorganic filler/elastomer), a bis-alkoxysilane tetrasulphide of formula (I).
Patent

Rubber Composition for Tire Comprising an Organosiloxane Coupling Agent

José Carlos Araujo Da Silva, +2 more
TL;DR: In this paper, a rubber composition for making tyres or semi-finished products for tyres, based on at least one isoprene elastomer, one inorganic filler as reinforcing filler, one polyfunctional organosiloxane coupling agent, comprising per molecule, grafted on its silicon atoms.
References
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Patent

Rubber compound and tires based on such a compound

Rauline Roland
TL;DR: In this article, a copolymer of a conjugated diene and of an aromatic vinyl compound was used to vulcanise a polyamide polyamide with sulphur.
Patent

Silica based aggregates, elastomers reinforced therewith and tire with tread thereof

Yvon Andre Bernard, +5 more
TL;DR: In this article, the authors describe aggregates comprised of particles which contain silicon dioxide and elastomers reinforced therewith, which are then used to construct a tire with a reinforced elastomer.
Patent

Process for improving the rheological properties of a precipitated SiO2 suspension

Jean-Noel Jas
TL;DR: In this paper, a process for improving the rheological properties of a precipitated silica suspension is described. But it is characterized in that one brings the sodium aluminate to said suspension.