Hydrogenation of nitrile group-containing unsaturated polymers
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United States of America Patent
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Dec 23, 1986
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N/A
app pub date -
Sep 3, 1985
filing date -
Sep 12, 1984
priority date (Note) -
Expired
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Abstract
Nitrile group-containing polymers are hydrogenated in a homogeneous phase with preservation of the nitrile groups in a low molecular weight ketone as a solvent and with a compound corresponding to formula RuX[(L.sub.1)(L.sub.2).sub.n ] as a catalyst, wherein X represents hydrogen, halogen L.sub.1 represents hydrogen, halogen, optionally substituted cyclopentadienyl, L.sub.2 represents a phosphane, bisphosphane or arsane and n is 1, 2 or 3 and [(L.sub.1)(L.sub.2).sub.n ] represents a cyclopentadienyl bisphosphane.
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