A rubber vulcanization accelerator CBS granulated special additives, which is characterized in comprising the following components by weight percentage: polyoxyethylene ethers substance 15% ~ 50%, 5% ~ 15% of industrial white oil, ethylene - vinyl acetate copolymer 2% ~ 5%, the balance being water; said material comprises polyoxyethylene fatty alcohol ethers, polyoxyethylene ethers, polyoxyethylene lauryl ether or polyoxyethylene alkyl phenol ether.
1,The additive according to claim 1, characterized by comprising the following weight percentage of ingredients: polyoxyethylene ethers material 25% ~ 40%, 7.5% ~12.5% industrial white oil, ethylene - vinyl acetate copolymer was 3 to 4%, the balance being water.
2,The additive of claim 1 or claim 2, wherein: the polyoxyethylene ethers material 300~ molecular weight of 1200; the ethylene - vinyl acetate copolymer vinyl acetate content of 70 ~ 95%.
3,The vulcanized rubber according to claim 1. 4. A method of preparing an accelerator CBS special additives granulated, characterized in that: the polyoxyethylene ethers material, industrial white oil, ethylene - vinyl acetate copolymer mixed with water uniformly, It was additive.
4,Kind of rubber vulcanization accelerator granulation method, wherein: the accelerator CBS, rubber vulcanization additive kneaded with water, granulated, the resulting granules after drying kneaded to obtain a rubber vulcanization accelerator CBSparticles; the additive rubber vulcanization accelerator CBS to claim 1 granulation special additives.
5,The granulation method as claimed in claim 5, characterized in that: the total mass of the additive and polyoxyethylene ethers material for industrial white rubber vulcanization accelerator CBS0.3 mass% ~1.1% agent.
6,The granulation method as claimed in claim 5, characterized in that: the moisture content of the material prior to the granulation is from 20% ~30% CBS and the total mass of the rubbervulcanization accelerator additive.
7,The granulation method as claimed in claim 5, characterized in that: the resultant granulated particles of fluid bed drying.
8,The granulation method of claim 8, wherein: the inlet temperature of the fluidized bed is 90~IHTC, the air temperature is 40~80 ° C, the residence time of the particles in the fluidized bed is 5 -10 minutes.