| abstract |
(57) [Problem] To provide a method for treating a polyester fiber for rubber reinforcement, which has excellent adhesion performance between a polyester fiber and a rubber compound even when exposed to a high temperature. SOLUTION: A polyester fiber is a compound containing a vinyl halide group, a polyepoxide compound, and / or It is achieved by treating with a treatment agent containing a blocked polyisocyanate compound and a rubber latex, and an aromatic polyepoxide compound can be used as the polyepoxide compound. |