| abstract |
(57) [Problem] To provide an ethylene-α-olefin elastomer having small hysteresis and excellent wear resistance, particularly excellent pilling properties. (1) A tension portion; (2) a cushion portion; (3) an endless power transmission belt having a load support portion disposed between the tension portion and the cushion portion; a) an ethylene-α-olefin elastomer; (b) 10 to 10 per 100 parts by weight of the whole rubber selected from the group consisting of graphite, molybdenum disulfide, polytetrafluoroethylene and mixtures thereof. 0 parts by weight (phr) of a non-migratory internal lubricant; and (c) an organic acrylate, organic methacrylate, α, β A belt comprising a free radical-curable elastomeric composition comprising from 0.1 to 100 phr of the reaction product of a co-crosslinking agent selected from the group consisting of metal salts of unsaturated organic acids and mixtures thereof. |