CARBOXYL GROUP-CONTAINING NITRILE RUBBER, METHOD FOR PRODUCING SAME, CROSSLINKABLE NITRILE RUBBER COMPOSITION, AND CROSSLINKED RUBBER

摘要

Provided is a carboxyl group-containing nitrile rubber which contains 5-60 wt% of an α,β-ethylenically unsaturated nitrile monomer unit and has an iodine value of 120 or less, wherein the polymer Mooney viscosity (ML1+4, 100°C) is 60 or less and the polymer pH is 7 or less.