Thermo-oxidative evaluation of new cardol derivatives as antioxidants for mineral oils |
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| Authors: | Francisco J N Maia Viviane G Ribeiro Claudenilson S Clemente Diego Lomonaco Pedro H M Vasconcelos Selma E Mazzetto |
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| Institution: | 1. Laborat??rio de Produtos e Tecnologia em Processos, Departamento de Qu??mica Organica e Inorganica, Universidade Federal do Cear??, Campus do Pici ?C Bloco 940, Cx. Postal 6021, Fortaleza, CE, 60455-760, Brazil
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| Abstract: | In this study, the thermo-oxidative stability of two new phosphorylated derivatives of cardol, a compound from the cashew (Anacardium occidentale L.) industry waste CNSL (cashew nutshell liquid), were evaluated. The antioxidant capacity of these new molecules upon two mineral oils, NH10 and NH20 were also studied by thermogravimetric analysis (TG/DTG), observing the onset and offset temperatures variation. The results showed that both MP and DP Cardol increased considerably the onset and offset temperatures of NH10 and NH20 oils. |
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