| 摘要 |
PURPOSE:To obtain a rubber composition excellent in low-temperature resistance and durability and useful for molding, e.g., an equal velocity joint boot of, e.g., a vehicle, by mixing chloroprene rubber with dibutyl sebacate. CONSTITUTION:Chloroprene rubber is mixed with dibutyl sebacate and, optionally, and acid acceptor, stearic acid, a lubricant, an antioxidant, a surface crack inhibitor, carbon black, a vulcanizing agent, a vulcanization accelerator, etc. and the obtained mixture is kneaded with a roll, a Banbury mixer, a kneader mixer or the like.
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