Antioxidant blends suitable for use in biodiesels

Details Antioxidant blends suitable for use in biodiesels Antioxidant blends suitable for use in biodiesels

C - Chemistry, Metallurgy

10

L

C10L 1/14 (2006.01) C10L 1/183 (2006.01) C10L 1/223 (2006.01) C10L 1/228 (2006.01)

Patent

CA 2696885

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 comportant (1) du biodiesel, tel que l'ester méthylique d'acides gras, (2) un composé phénolique encombré par un ou deux groupe(s) dérivé de 2,6-di-tert- butylphénol, et (3) la paraphénylène diamine à disubtitution N,N'. L'invention concerne également des procédés de stabilisation du biodiesel comprenant l'addition de (2) et (3) à (1).

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