Synthesis and Characterization of Antioxidant Resin Modified-Alkoxy from the Condensation of 4-HydroxyphenoxyPhenyl Propane (BisphenolA) with Formaldehyde

Nooraldeen A. Al-Jabiri


In this paper ,an antioxidant-modified resin were synthesized through the condensation of Bisphenol A with formaldehyde transferred to alkoxied .Antioxidant-modified and its alkoxy derivatives were synthesized .These kinds of alkoxy are useful in many fields such as antioxidants for lubricating oil. These functional hydroxyl  groups after esterification were characterized by I.R.spectroscopy ,thermo gravimetric (TG),elementary analysis and NMR. The analytical results of I.R demonstrate the changes of  hydroxyl groups and suggests that this synthesis was feasible .This study concern the effects of these additives on the autoxidation and degradation of lubricating oil properties such as viscosity, carbonyl index ,pour point and acid number. These alkoxy resins showed outstanding efficiency as antioxidant for lubricating oil relative to the commercial ones which reached in some concentrations about one eight folds of the commercial antioxidants.

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ISSN (Paper)2224-3186 ISSN (Online)2225-0921

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