Provided is a pneumatic tire including a tire inner layer which achieves a balanced improvement in steering response, fuel economy, durability, and extrusion processability. Included is a pneumatic tire including a tire inner layer, the tire inner layer including a rubber composition that contains a rubber component, a carbon black, and an alkylphenol-sulfur chloride condensate, the carbon black having a BET specific surface area of 20-120 m2/g, the rubber composition containing, per 100 parts by mass of the rubber component, 40-100 parts by mass of the carbon black and 2.5-10 parts by mass of the alkylphenol-sulfur chloride condensate, the rubber composition having an amount of low reinforcing inorganic filler of not more than 40 parts by mass per 100 parts by mass of the rubber component and an amount of reactive phenolic resin of less than 2.0 parts by mass per 100 parts by mass of the rubber component.
本发明提供了一种包括轮胎内层的充气轮胎,该轮胎在转向响应、燃油经济性、耐久性和挤压加工性能方面实现了均衡改善。包括轮胎内层的充气轮胎,轮胎内层包括含有橡胶成分、
炭黑和烷基
酚-
氯化硫缩合物的橡胶组合物,
炭黑的 BET 比表面积为 20-120 m2/g,橡胶组合物中每 100 份橡胶成分中含有 40-100 份
炭黑和 2.5-10 份(质量份)的烷基
酚-
氯化硫缩合物,橡胶组合物中低补强无机填料的含量为每 100 份(质量份)橡胶组合物中不超过 40 份(质量份),活性
酚醛
树脂的含量为每 100 份(质量份)橡胶组合物中少于 2.0 份(质量份)。