SULFONATED PHENOLS WITH NITROPHENOLS AS POLYMERIZATION INHIBITORS

SULFONATED PHENOLS WITH NITROPHENOLS AS POLYMERIZATION INHIBITORS

DISCLOSED HEREIN IS A METHOD FOR INHIBITING THE PREMATURE POLYMERIZATION AND THE POLYMER GROWTH OF ETHYLENICALLY UNSATURATED MONOMERS COMPRISING ADDING TO SAID MONOMERS AN EFFECTIVE AMOUNT OF A COMBINATION OF (A) AT LEAST ONE INHIBITOR THAT IS A SULFONATED PHENOL OF THE FORMULA: WHEIEIN (1) R2 IS SE...

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Hauptverfasser: BRIGITTE BENAGE, ISTVAN LIPPAI, VILEN KOSOVER, JESUS R. FABIAN, GERALD J. ABRUSCATO
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Zusammenfassung:DISCLOSED HEREIN IS A METHOD FOR INHIBITING THE PREMATURE POLYMERIZATION AND THE POLYMER GROWTH OF ETHYLENICALLY UNSATURATED MONOMERS COMPRISING ADDING TO SAID MONOMERS AN EFFECTIVE AMOUNT OF A COMBINATION OF (A) AT LEAST ONE INHIBITOR THAT IS A SULFONATED PHENOL OF THE FORMULA: WHEIEIN (1) R2 IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND HYDROCARBYL; AND (2) R1 AND R3 ARE INDEPENDENTLY SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND SO3H PROVIDED THAT AT LEAST ONE OF R1, AND R3 IS SO3H (B) AT LEAST ONE INHIBITOR THAT IS A NITROPHENOL; AND, OPTIONALLY, (C) AN INHIBITOR SELECTED FORM THE GROUP CONSISTING OF NITROXYL COMPOUNDS AND NITROSOANILINES; AND (D) AN AMINE.