Rubber composition for tyre and pneumatic tyre

摘要

A rubber composition for a tyre and a pneumatic tyre in which the rubber composition is used to improve steering performance on snowy and icy roads as well as traction performance in the forward and backward directions while reducing the recycling and manufacturing cost. The rubber composition contains from 0.5 to 12 parts by weight of paper relative to 100 parts by weight of a rubber component, and preferably further contains from 5 to 100 parts by weight of silica and from 2 to 15 parts by weight of short fibre relative to 100 parts by weight of the rubber component. The paper may be newspaper waste. From 10 to 100 parts by weight of carbon black may further be contained relative to 100 parts by weight of the rubber component.