| abstract |
There is provided a kind of buffer layer rubberizing rubber combination, described rubber combination can improve fuel economy, hardness, elongation at break and adhesivity with balance mode; And a kind of pneumatic tyre using this rubber combination.Buffer layer rubberizing rubber combination comprises: rubber components; Silicon-dioxide; Sulphur; Specific vulcanization accelerator; Compound shown in following general formula and/or its hydrate; And stearic acid and/or cobalt stearate, wherein, the mass ratio of sulphur/vulcanization accelerator and stearic acid and cobalt stearate total amount adjusts to respective particular value, and described general formula is: MOn 3 s-S-(CHn 2 )n q -S-SOn 3 wherein, q represents the integer of 3 ~ 10 to M, and M is same to each other or different to each other, and represents lithium, potassium, sodium, magnesium, calcium, barium, zinc, nickel or cobalt separately. |