发明名称 |
PROCESS FOR MAKING NITRILES |
摘要 |
Adiponitrile is made by reacting 3-pentenenitrile with hydrogen cyanide. The 3-pentenenitrile is made by reacting 1,3-butadiene with hydrogen cyanide and by isomerizing 2-methyl-3-butenenitrile. Both reactions take place in the presence of a catalyst comprising zero valent nickel and a phosphorus-containing ligand. The ligand is partially degraded by hydrolysis or oxidation. Phosphorus-containing ligand degradation products are removed during the production of 3-pentenenitrile and adiponitrile.
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申请公布号 |
US2013267728(A1) |
申请公布日期 |
2013.10.10 |
申请号 |
US201113808723 |
申请日期 |
2011.06.16 |
申请人 |
MOERBE LARRY E.;CHAO TSENG H.;INVISTA NORTH AMERICA S.A R.L. |
发明人 |
MOERBE LARRY E.;CHAO TSENG H. |
分类号 |
C07C253/10 |
主分类号 |
C07C253/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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