CASHEW NUT SHELL LIQUID (CNSL) AS SOURCE OF ECO-FRIENDLY ANTIOXIDANTS FOR LUBRICANTS

Selma Elaine Mazzetto; Maria Alexsandra de Sousa Rios

doi:10.3390/ecsoc-13-00221

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CASHEW NUT SHELL LIQUID (CNSL) AS SOURCE OF ECO-FRIENDLY ANTIOXIDANTS FOR LUBRICANTS

Selma Elaine Mazzetto

¹,

Maria Alexsandra de Sousa Rios

^{*

2}

¹ Departamento de Química Orgânica e Inorgânica – Laboratório de Produtos e Tecnologia em Processos LPT; Universidade Federal do Ceará, Campus do Pici, Caixa Postal 6021, Bloco 935, Fortaleza/CE, CEP 60455-760, Brasil
² Departamento de Química – Centro de Ciências da Natureza; Universidade Federal do Piauí, Campus Ministro Petrônio Portella, Teresina/PI, CEP 64049-550, Brasil

Published: 01 November 2009 by MDPI in The 13th International Electronic Conference on Synthetic Organic Chemistry session Bioorganic Chemistry and Natural Products

https://doi.org/10.3390/ecsoc-13-00221

Abstract: The present work shows the syntheses, characterizations and investigations of the thermal-oxidative properties by TG-DTG of two phosphorus compounds derived from Cashew Nut Shell Liquid (CNSL). The phosphorus compounds obtained show significant thermal stability resistance: Ti (compound 1, main degradation step) = 202 °C and Ti (compound 2) = 231 °C. The degradation of lubricant commences at 91 °C, and after synthesized compounds incorporation, the degradation commences at 152 and 156 °C, respectively.

Keywords: Cardanol; Phosphorus compounds; TG-DTG

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Selma Elaine Mazzetto

Maria Alexsandra de Sousa Rios