Union Carbide Chemicals & Plastics Technology Corporation

Johnathan Eugene Holladay

David Robert Bryant

John Robert Briggs

John Michael Maher

Thomas Carl Eisenschmid

Kurt Damar Olson

This invention relates to a composition comprising (a) epsilon caprolactam and (b) one or more of 5-�4,5-di(3-carboxypropyl)-2-pyridyl!pentanoic acid or salt or amide, 4-�4,5-di(2-carboxypropyl)-2-pyridyl!-2-methylbutanoic acid or salt or amide, 2-�2-(2-carboxybutyl)-5-(1-carboxypropyl)-4-pyridyl!butanoic acid or salt or amide, 5-�3,5-di(3-carboxypropyl)-2-pyridyl!pentanoic acid or salt or amide, 4-�3,5-di(2-carboxypropyl)-2-pyridyl!-2-methylbutanoic acid or salt or amide, 2-�-2-(2-carboxybutyl)-5-(1-carboxypropyl)-3-pyridyl!butanoic acid or salt or amide, 5-amino-4-methylpentanamide, 4-amino-3-ethylbutanamide, 5-�4,5-di(4-hydroxybutyl)-2-pyridyl!pentanol, 4-�4,5-di(2-methoxypropyl)-2-pyridyl!-2-methylbutanol, 2-�2-(2-methoxybutyl)-5-(1-methoxypropyl)-4-pyridyl!butanol, 5-�3,5-di(4-hydroxybutyl)-2-pyridyl!pentanol, 4-�3,5-di(2-methoxypropyl)-2-pyridyl!-2-methylbutanol, 2-�2-(2-methoxybutyl)-5-(1-methoxypropyl)-3-pyridyl!butanol, 5-amino-4-methyl-1-pentanol, 5-imino-2-methyl-1-pentanamine, 5-amino-2-methyl-1-pentanol, 5-imino-4-methyl-1-pentanamine and 2-butyl-4,5-dipropylpyridine, wherein the weight ratio of component (a) to component (b) is at least about 99 to 1. The epsilon caprolactam compositions are useful in the preparation of nylon 6.

Growing community of inventors

Charleston, WV, United States of America

Johnathan Eugene Holladay