Inhibiting polymerization of vinyl aromatic monomers

Chemistry of hydrocarbon compounds – Product blend – e.g. – composition – etc. – or blending process... – With nonhydrocarbon additive

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585 3, 585 5, 585950, C07C 718

Patent

active

044094086

ABSTRACT:
Vinyl aromatic compounds are stabilized against undesired polymerization by adding to the vinyl aromatic compounds small amounts of N,N-dialkylhydroxylamine and tertiary alkylcatechols. The synergistic effect of the mixture has been demonstrated.

REFERENCES:
patent: 2809155 (1957-10-01), Buehler
patent: 2867672 (1959-01-01), Hemmerich
patent: 3248440 (1966-04-01), Albert
patent: 3287430 (1966-11-01), Haines et al.
patent: 3390198 (1968-06-01), Leston

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