Methods and compositions for inhibiting acrylic acid polymerizat

Details Methods and compositions for inhibiting acrylic acid polymerizat Methods and compositions for inhibiting acrylic acid polymerizat

1992-02-18

1993-06-22

Killos, Paul J.

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

Organic compounds

Carboxylic acid esters

C07C 6952

Patent

active

052217647

ABSTRACT:
Methods and compositions are provided for inhibiting the polymerization of acrylic acid monomers during elevated temperature processing thereof or during storage or shipment of acrylic acid product. The compositions comprise a combination of a cerium source compound and an aromatic amine compound. The methods comprise adding from about 1 to about 10,000 parts per million to the particular acrylic acid containing medium for which such polymerization inhibition is desired, per million parts of the acrylic acid medium.

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patent: 4912247 (1990-03-01), Roling

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