Preparation process of oil extended rubber for tire, oil...

Details Preparation process of oil extended rubber for tire, oil... Preparation process of oil extended rubber for tire, oil...

2007-03-21

2011-10-25

Nerangis, Vickey (Department: 1762)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S300000, C524S313000, C524S572000, C524S575500

Reexamination Certificate

active

08044118

ABSTRACT:
The present invention provides a process for preparing an oil extended rubber, in which an effect on environments can be taken into consideration, provision for the future decrease of petroleum supply can be satisfied, and further, strength is excellent without molecular breakage, an oil extended rubber obtained by the preparation process, and a tire using the oil extended rubber. A process for preparing an oil extended rubber, 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 and a modified natural rubber latex, and then aging the mixture, and (c) a step of coagulating the mixture obtained in the step (b) to obtain a lump of a rubber, an oil extended rubber obtained by the preparation process, and a rubber composition for a tire and a tire which use the oil extended rubber.

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Machine translation of JP 2007-051206, Mar. 1, 2007.
WPI/Thomsen, Derwent Publications Ltd., London, GB; AN 2007-262668. XP002439000.

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