The nitrile rubber constituent, the building a bridge Characteristic nitrile rubber constituent and building a bridge ones

摘要

PROBLEM TO BE SOLVED: To provide a cross-linked material having excellent thermal aging resistance in a heated air atmosphere especially at a high temperature, and to provide a nitrile rubber composition as a raw material and a cross-linkable nitrile rubber composition.;SOLUTION: This cross-linked material is made by cross-linking a cross- linkable nitrile rubber composition comprising 100 pts.wt. Of a nitrile rubber, 0.1 to 20 pts.wt. Of a metal salt of silicic acid and 0.1 to 10 pts.wt. Of a cross- linking agent.;COPYRIGHT: (C)2001,JPO