Patent ID: 9353239
Filing Date: 2016-05-31
CPC Classification: B60C,C08J,C08K

Claim Text:
1. A rubber wet masterbatch comprising: a carbon black, a dispersing solvent, and a latex solution of a rubbers as raw materials, wherein the carbon black has an iodine adsorption number of 41 mg/g or less, and wherein the rubber wet masterbatch is obtained through the following process: first, at the time of dispersing the carbon black into the dispersing solvent, at least one portion of the rubber latex solution is added to the carbon-black-dispersed solvent to produce a slurry solution comprising the carbon black to which rubber latex particles adhere, subsequently the slurry solution is mixed with the rest of the rubber latex solution, and then the mixture is solidified and dried, wherein the rubber wet masterbatch is vulcanized to form a vulcanized rubber having an electric resistance value less than 10 8 Ω·cm.