Antioxidant blends for fatty acid methyl esters (biodiesel)

Details Antioxidant blends for fatty acid methyl esters (biodiesel) Antioxidant blends for fatty acid methyl esters (biodiesel)

C - Chemistry, Metallurgy

10

L

C10L 1/14 (2006.01) C10L 1/02 (2006.01)

Patent

CA 2681753

This invention provides stabilized biodiesels comprising (1) biodiesel, such as fatty acid methyl ester (FAME), (2) mono- or bis-hindered phenolic derived from 2,6-di-tert- butylphenol, and (3) N,N'-di-substituted para-phenylene diamine. Also methods of stabilizing biodiesel are provided involving adding (2) and (3) to (1).

La présente invention concerne des biodiesels stabilisés comprenant (1) un biodiesel, tel qu'un ester méthylique d'acide gras (FAME), (2) un composé mono- ou bisphénolique encombré dérivé de 2,6-di-tert- butylphénol, et (3) une paraphénylène diamine N,N'-di-substituée. L'invention concerne également des procédés de stabilisation d'un biodiesel impliquant l'ajout de (2) et (3) à (1).

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