A modified rubber master batch system of law and one charge of oil-soluble SBR vulcanized rubber composition and its preparation

2012 
The present invention provides a modified rubber master batch system of law and one charge of oil-soluble SBR vulcanized rubber composition and its preparation. The modified rubber masterbatch containing uncrosslinked rubber and nitrile rubber dispersed therein particles having a crosslinked structure; the nitrile rubber particles, an average particle diameter of 50 ~ 200nm, a gel content of 60% by weight or higher; uncrosslinked styrene-butadiene rubber; the crosslinked nitrile rubber particles with non-crosslinked rubber 20︰80 weight ratio greater than, less than or equal to 80︰20. The charge oil soluble SBR blended composition comprising the modified rubber masterbatch and filling oil soluble SBR; in charge of oil-soluble SBR 100 parts by weight of the modified rubber component is 1 to 70 parts. Filling said oil soluble composition SBR vulcanizates wet performance, wear resistance can be improved at the same time, and have lower rolling resistance, can be used to prepare the tread rubber of high performance cars.
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