POLYAMINE-VULCANIZABLE HIGHLY SATURATED NITRILE RUBBER COMPOSITION

A polyamine curable, highly saturated nitrile rubber composition comprising 100 parts by weight of a polyamine curable, highly saturated nitrile rubber having an ±,²-ethylenically unsaturated nitrile monomer unit, a diene-based monomer unit, an ±,²-ethylenically unsaturated dicarboxylic acid monoest...

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Hauptverfasser: AOYAGI AYAKO, UCHIDA KENICHI
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A polyamine curable, highly saturated nitrile rubber composition comprising 100 parts by weight of a polyamine curable, highly saturated nitrile rubber having an ±,²-ethylenically unsaturated nitrile monomer unit, a diene-based monomer unit, an ±,²-ethylenically unsaturated dicarboxylic acid monoester monomer unit, and an ±,²-ethylenically unsaturated carboxylic acid ester monomer unit other than the ±,²-ethylenically unsaturated dicarboxylic acid monoester monomer unit, and having an ±,²-ethylenically unsaturated nitrile monomer unit content of 22.0 to 24.5 wt.%, preferably 22.5 to 24.5 wt.%, and an iodine value of 120 or less, and 4 to 31 parts by weight of an aliphatic carboxylic acid diester compound of polyalkylene glycol. The polyamine curable, highly saturated nitrile rubber composition is used as a cure molding material of a sealing material that can be suitably used even in an environment in which the sealing material is exposed to polycyclic aromatic compound.