| abstract |
A method for increasing the hardness of silica/rubber mixtures is disclosed wherein the method comprises blending with said mixture at least one silane and a hardnessÂincreasing amount of at least one member selected from the group consisting of thixotropic fumed silica; precipitated silica; an MQ resin wherein Q is Si04/2, M is R1R2R3Si01/2, and R1, R2, and R3 are the same or different functional or non-functional organic groups; carbon black; a thermoplastic resin; and a thermosetting resin. |