Inhibiting polymerization of ethylenically unsaturated monomers

Details Inhibiting polymerization of ethylenically unsaturated monomers Inhibiting polymerization of ethylenically unsaturated monomers

1985-01-17

1987-01-20

Trousof, Natalie

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

562489, 562490, 562491, 562492, 562496, 562595, 562598, 585 5, C07C 6762, C07C 5150

Patent

active

046380795

ABSTRACT:
Disclosed is a process for inhibiting polymerization of polymerizable ethylenically unsaturated monomers such as hydrocarbons, acids and esters, wherein a cobalt (III), nickel (II) or manganese (II) complex of N-nitrosophenylhydroxylamine is employed. A composition including a polymerizable ethylenically unsaturated monomer and the complex is also disclosed. In a preferred embodiment, polymerization of an acrylic acid or an acrylate ester is inhibited.

REFERENCES:
patent: 3344135 (1967-09-01), Middleton
patent: 3426063 (1969-02-01), Gros
patent: 4210493 (1980-07-01), Stewart et al.
patent: 4310676 (1982-01-01), Schropp
patent: 4507495 (1985-03-01), Dougherty et al.

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