| 摘要 |
PURPOSE:To improve the operational property and the stability of product quality of an obtained type, etc. by using the product molded from the rubber composition of the polymer containing specified siloxane unit, while causing the rubber product to be a vulcanizing bladder used for pressurizing from inside. CONSTITUTION:When the rubber molded product such as a tyre, etc. is molded and vulcanized, said rubber product is caused to be the vulcanizing bladder being used for pressurizing from inside, and is molded from a rubber composition whose main component is a polymer containing siloxane unit of the formula (R: alkyl, phenol, vinyl). The rubber composition contains preferably said siloxane unit equal to 20wt% or more. |
