The pendant carboxyl groups add more crosslinking sites and polar than Nitrile. 在丁腈橡胶的基础上，羧基增加架桥端并赋予更高的极性。
In addition to their strength properties, carboxylated nitrile rubbers have silimlar resistance to heat, oil, and fuels as regular nitrile rubbers. 除此以外，羧化丁腈橡胶的耐热性，耐润滑油，燃料油性能与通用橡胶无异。
