Birch, Stewart, Kolasch & Birch, LLP
Preparation process of oil extended rubber for tire, oil extended rubber for tire, and rubber composition and tire using the same
The present invention provides an oil extended rubber for a tire, which is obtained by a process for preparing an oil extended rubber for a tire, comprising: (a) a step of preparing an oil-in-water type emulsion by emulsifying a vegetable oil having an iodine value of not less than 135 with a surfactant; (b) a step of mixing said emulsion of vegetable oil and a modified natural rubber latex, and then maturing the mixture; and (c) a step of coagulating the mixture obtained in the step (b) to obtain a lump of a rubber.
Sumitomo Rubber Industries, Ltd.
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Naoya Takayuki Toshiaki Chee-Cheong Choong Dick
Ichikawa Hattori Sakaki Ho Hean