A process for the modification of the surface of a silica with a silane compound comprising mixing an aqueous suspension of precipitated silica particulates with a silane compound which is dissolved in an organic solvent, in the presence of a phase transfer catalyst.

 
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> SILICA REINFORCED RUBBER COMPOSITION WHICH CONTAINS STABILIZED UNSYMMETRICAL COUPLING AGENTS AND ARTICLE OF MANUFACTURE, INCLUDING A TIRE, HAVING AT LEAST ONE COMPONENT COMPRISED OF SUCH RUBBER COMPOSITION

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~ 00048