Modified rubber master batch and preparation method thereof, oil-extended solution-polymerized styrene-butadiene rubber composition, and preparation method and vulcanized rubber thereof
A technology of polystyrene butadiene rubber and modified rubber, which is applied in the direction of rolling resistance optimization, road transportation emission reduction, etc., and can solve problems such as no reports
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[0096] Example 1
[0097] 1. Preparation of modified rubber masterbatch:
[0098] (1) Preparation of radiation cross-linked nitrile rubber latex:
[0099] In the nitrile rubber latex (nitrile-26) with a solid content of 45%wt, 3%wt of the solid content of the nitrile rubber latex is added with the crosslinking aid trimethylolpropane triacrylate, and then the irradiation crosslinking is carried out , The radiation dose was 3.0 Mrad, and the radiation crosslinked nitrile rubber latex was obtained. The radiation crosslinked nitrile rubber particles in the latex had an average particle size of 100 nm and a gel content of 91%.
[0100] (2) Latex mixing and coagulation:
[0101] The radiation crosslinked nitrile rubber latex was added to the uncrosslinked latex polystyrene butadiene rubber latex SBR1502 according to a certain solid content ratio. The solid content of the radiation crosslinked nitrile rubber latex and the uncrosslinked The weight ratio of solid content of ESR latex is 80:20....
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