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US 4,061,590 AGranted
Catalyst composition of an azo nitrile mixture in an organic solvent
AssigneeE. I. Du Pont de Nemours and Company
InventorEarl P. Moore, Jr.
Life of this patent
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Abstract
Liquid mixtures of symmetrical and asymmetrical azonitriles having a maximum freezing point of 25.degree. C. diluted to 10 to 85% by weight of the azonitrile mixture in an inert solvent are provided.
Claims8
A catalyst composition with a concentration of from 10 to 85% by weight of an azonitrile mixture having a freezing point of a maximum of 25.degree. C selected from the group consisting of:
- A. 2,2'-azobis(2methylbutyronitrile), 2,2'-azobis(2-methylhexanenitrile) and 2-[(1-cyano-1-methylpropyl)azo]-2-methylhexanenitrile;
- B. 2,2-azobis(2-methylbutyronitrile), 2,2'-azobis(2-methylheptanenitrile) and 2-[(1-cyano-1-methylpropyl)azo]-2-methylheptanenitrile;
- C. 2,2'-azobis(2-methylbutyronitrile), 2,2'-azobis(2-ethylhexanenitrile) and 2-[(1-cyano-1-methylpropyl)azo]-2-ethylhexanenitrile;
- D. 2,2'-azobis(2-methylbutyronitrile), 2,2'-azobis(2-ethylheptanenitrile) and 2-[(1-cyano-1-methylpropyl)azo]-2-ethylheptanenitrile;
- E. 2,2'-azobis(2-methylbutyronitrile), 2,2'-azobis(2-methyloctanenitrile) and 2-[(1-cyano-1-methylpropyl)azo]-2-methyloctanenitrile;
- F. 2,2'-azobis(2-methylpentanenitrile, 2,2'-azobis(2-ethylhexanenitrile) and 2-[(1-cyano-1-methylbutyl)azo]-2-ethylhexanenitrile;
- G. 2,2'-azobis(2-methylhexanenitrile), 2,2'-azobis(2-methyloctanenitrile) and 2-[(1-cyano-1-methylpentyl)azo]-2-methyloctanenitrile;
- H. 2,2'-azobis(2-methylpentanenitrile), 2,2'-azobis(2-ethylheptanenitrile) and 2-[(1-cyano-1-methylbutyl)azo]-2-ethylheptanenitrile;
- I. 2,2'-azobis(2-methylhexanenitrile), 2,2'-azobis(2-methylheptanenitrile) and 2-[(1-cyano-1-methylpentyl)azo]-2-methylheptanenitrile;
- J. 2,2'-azobis(2-methylpentanenitrile), 2,2'-azobis(2-methyloctanenitrile) and 2-[(1-cyano-1-methylbutyl)-azo]-2-methyloctanenitrile;
- K. 2,2'-azobis(2-methylpentanenitrile), 2,2'-azobis(2-methylhexanenitrile) and 2-[(1-cyano-1-methylbutyl)azo]-2-methylhexanenitrile;
- L. 2,2'-azobis(2-methylpentanenitrile), 2,2'-azobis(2-methylheptanenitrile) and 2-[(1-cyano-1-methylbutyl)azo]-2-methylheptanenitrile;
- and
- M. 2,2'-azobis(2-methylhexanenitrile), 2,2'-azobis(2-ethylheptanenitrile) and 2-[(1-cyano-1-methylpentyl)azo]-2-ethylheptanenitrile in an organic solvent inert to the azonitrile.
11 more elements
Dependencies are inferred from the claim text.