To obtain a rubber mixture exhibiting especially excellent fluidity, having high processing stability and high vulcanization speed, and useful for producing a vulcanized rubber exhibiting a higher tensile stress by compounding a rubber and a distillation residue originating from industrial trimethylolpropane production at a specific ratio.
This rubber mixture is composed of at least one kind of rubber and a distillation residue originating from industrial trimethylolpropane production exhibiting a viscosity of 0.5-20 Pa.sec, preferably 0.5-10 Pa.sec at 100°C, wherein the distillation residue is compounded in an amount of 0.1-15 pts.wt., preferably 0.3-10 pts.wt., more preferably 0.5-5 pts.wt. based on 100 pts.wt. of the used rubber. The examples of the rubber to be used for producing said rubber mixture include a natural rubber and a synthetic rubber, and preferable examples include a natural rubber, an emulsified SBR (styrene/butadiene copolymer), a solution SBR and a polybutadiene rubber mixture.
WEIDENHAUPT HERMANN-JOSEF DR
NOACK ACHIM
STEGER LOTHAR DR
