US EPA

4667183 

Journal Article 

New Insights in the Dynamic Properties of Precipitated Silica Filled Rubber Using a New High Surface Silica 

Guy, L; Daudey, S; Cochet, P; Bomal, Y 

2009 

1 

KGK Kautschuk, Gummi, Kunststoffe
ISSN: 0948-3276 

62 

7-8 

383-391 

WOS:000269185200004 

In the 90's, a highly dispersible silica, combined with a coupling agent, a specific elastomer and an adapted rubber process technology enabled the development of the Green Tire. This breakthrough was due, as well known now, to the improvement of rolling resistance and wet traction without reducing wear resistance. A new silica generation allows a novel compromise between silica aggregate size and elementary particle size. This silica leads to improve the Payne Effect understanding far from the glass transition temperature. Based on the literature for the carbon blacks and the coupled highly dispersible silicas, the loss factor could be described using the loading interfacial area (SSA x Q x Q). The behaviour of Z Premium 200 MP vulcanizates leads to identify that the minimal distance between pseudo-fractal shapes of aggregates is an additional key factor.. 

Silica; Carbon black; Rubber; Dispersible; Payne effect; Interface; Adsorption; Network; Reinforcement