US Patent 8415281 Sliding resin composition

A sliding resin composition is provided which rapidly forms a transfer adhesion film of PTFE on the surface of a counter member at the initial stage of sliding. That is, in the case of using resin composition 1 which is in such a state that particles of PTFE 3 having PTFE film forming agent 4 embedded are dispersed in synthetic resin 2, when the surface of particles of PTFE 3 on the sliding surface of resin composition 1 contacts with the surface of an associated shaft, the PTFE film forming agent 4 is also present at the contact portion, whereby transfer adhesion of PTFE 3 to the surface of the associated shaft is accelerated and thus the time required for decrease of coefficient of friction can be shortened.