The present invention relates to a frictional power transmission belt containing an extensible layer to form a belt back surface, a compressive layer formed on one surface of the extensible layer and having a power transmission surface at least a part of which can be in contact with pulleys, and a tension member embedded between the extensible layer and the compressive layer along a belt length direction, in which at least the compressive layer is formed of a rubber composition containing a polymer component, short fibers and a surfactant and in which the short fibers contain at least short fibers of water-absorbing fibers.
本发明涉及一种摩擦式动力传输带,它包含一个用于形成带背表面的可伸展层、一个形成于可伸展层的一个表面并具有动力传输表面(至少其中一部分可与滑轮接触)的压缩层,以及一个沿带长度方向嵌入可伸展层和压缩层之间的张力部件,其中至少压缩层是由包含聚合物成分、短纤维和表面活性剂的橡胶组合物形成的,短纤维中至少包含吸
水纤维短纤维。