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Polyamide preparation with pentaamine cobalt (III) complex catalyst

Patent ·
OSTI ID:5889879
; ;

A process is described for preparing a polyamide containing amide groups as integral parts of the main polymer chain comprising polymerizing a polyamide forming system, chosen from (1) an alpha, beta-unsaturated carboxylic acid and ammonia, (2) an ammonium salt of an alpha, beta unsaturated carboxylic acid, (3) an alpha, beta-unsaturated nitrile and water, (4) an alpha, beta-unsaturated amine and ammonia, (5) or a beta-amino propionic acid or its alkyl derivatives, in contact with a catalyst comprising a pentaamine cobalt (III) complex.

Assignee:
Standard Oil Co., Cleveland, OH
Patent Number(s):
US 4707538
OSTI ID:
5889879
Country of Publication:
United States
Language:
English

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Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ALKYL RADICALS
AMINES
AMMONIA
CARBOXYLIC ACIDS
CATALYSTS
CHEMICAL COMPOSITION
CHEMICAL PREPARATION
CHEMICAL REACTIONS
COBALT COMPLEXES
COMPLEXES
HYDRIDES
HYDROGEN COMPOUNDS
MONOCARBOXYLIC ACIDS
NITRILES
NITROGEN COMPOUNDS
NITROGEN HYDRIDES
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC POLYMERS
OXYGEN COMPOUNDS
POLYAMIDES
POLYMERIZATION
POLYMERS
PROPIONIC ACID
RADICALS
SYNTHESIS
TRANSITION ELEMENT COMPLEXES
WATER