| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent aggravation of processability of a rubber accompanied with high viscosity, which is the problem in many proposed technologies for blending silica or a silane coupling agent with a diene rubber behind the background that the development of a tire having good rolling resistance is demanded for satisfying increased requirements for low fuel consumption for automobiles on a global environment point of view while viscosity of rubber is needed to be reduced in manufacturing a rubber for a tire.SOLUTION: The problem is dissolved by a method for manufacturing a rubber having a preliminary mixing process for blending for example 0.1 to 5 pts.mass of diphenyl disulfide with 100 pts.mass of a diene rubber composition having total 50 pts.mass or more of styrene-butadiene copolymer rubber and butadiene rubber without blending sulfur, carbon black and silica, and mixing them at a temperature of 100°C or less.</p> |
