A novel class of bio-lubricants are synthesized by epoxidation of 10-undecylenic acid-based esters

B.  Lakkoju; V.  Vemulapalli

doi:10.3989/gya.0103211

Autores/as

B. Lakkoju Department of Chemistry, GITAM Institute of Science, Gandhi Institute of Technology and Management (GITAM) https://orcid.org/0000-0002-7610-6827
V. Vemulapalli Department of Chemistry, GITAM Institute of Science, Gandhi Institute of Technology and Management (GITAM) https://orcid.org/0000-0002-0538-1119

DOI:

https://doi.org/10.3989/gya.0103211

Palabras clave:

Biolubricantes, Epoxidación, Epóxido, Epóxido a base de éster TM, Éster de NPG, Propiedades fisicoquímicas

Resumen

Los lubricantes de base biológica están reemplazando a los lubricantes de base mineral debido a preocupaciones ambientales y al agotamiento de los recursos fósiles. Los derivados de aceite comestible y no comestible se consideran alternativas potenciales a las existencias base de aceite mineral natural existentes en ciertas aplicaciones de lubricantes, donde se predice una interacción inmediata con el medio ambiente. Se preparó una nueva clase de epóxidos a partir de ésteres a base de ácido undecilénico de 2-etilhexanol, neopentilglicol (NPG) y trimetilolpropano (TMP) mediante epoxidación con ácido metacloroperbenzoico como catalizador. Los epóxidos sintetizados se caracterizaron mediante estudios espectrales (¹HNMR, ¹³CNMR, IR) las propiedades fisicoquímicas (densidad, densidad específica) y lubricantes (viscosidad cinemática, índice de viscosidad, punto de inflamación, punto de combustión, punto de enturbiamiento, punto de fluidez, tira de cobre). corrosión). El epóxido a base de éster de TMP tiene un índice de viscosidad alto, un punto de inflamación alto y un punto de fluidez bajo en comparación con el epóxido a base de éster 2-etilhexílico y el epóxido a base de éster NPG.

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Citas

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