Antioxidants

Details Antioxidants Antioxidants

1974-11-08

1976-10-12

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 53R, 260 55, 260601R, C08G 7504

Patent

active

039857107

ABSTRACT:
A condensation product of a mercaptoaldehyde, e.g. butylmercaptopropionaldehyde, and phenol or a phenol having a substituent ortho or para to the hydroxyl group and being unsubstituted in a position ortho or para to the hydroxyl group, e.g. o-cresol, has free radical inhibiting and hydroperoxide decomposing properties. The condensate also has metal deactivating properties when the phenol has a halogen in an ortho or para position. The condensate which may be a bisphenol or a liquid or solid resinous material, is particularly useful as an antioxidant in liquid hydrocarbons.

REFERENCES:
patent: 2794049 (1957-05-01), Thompson
patent: 3408327 (1968-10-01), Labat
patent: 3455851 (1969-07-01), Meredith et al.

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