Compositions and methods for inhibiting vinyl aromatic monomer p

Details Compositions and methods for inhibiting vinyl aromatic monomer p Compositions and methods for inhibiting vinyl aromatic monomer p

1995-05-31

1997-07-15

Caldarola, Glenn A.

Chemistry of hydrocarbon compounds

Product blend, e.g., composition, etc., or blending process...

With nonhydrocarbon additive

585 2, 585 3, 585 4, 585 24, 585950, C07C 720, C07C 1502, C10L 118, C10L 122

Patent

active

056485727

ABSTRACT:
Compositions and methods for inhibiting vinyl aromatic monomer polymerization during processing are disclosed. The compositions comprise a dinitrosalicylic acid derivative and a hydroxylamine compound. The methods comprise adding the composition to the monomer during processing. The preferred composition comprises 3,5-dinitrosalicylic acid or 3,5-dinitrosalicylic methyl ester and bis-(hydroxypropyl)hydroxylamine.

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patent: 4389285 (1983-06-01), Douglas et al.
patent: 4409408 (1983-10-01), Miller
patent: 4439278 (1984-03-01), Douglas et al.
patent: 4466905 (1984-08-01), Butler et al.
patent: 4720566 (1988-01-01), Martin
patent: 4774374 (1988-09-01), Abruscato et al.

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