C - Chemistry – Metallurgy – 10 – L
Patent
C - Chemistry, Metallurgy
10
L
C10L 1/18 (2006.01) C10L 1/02 (2006.01) C10L 1/10 (2006.01) C10L 10/00 (2006.01) C10L 10/02 (2006.01) C10L 1/12 (2006.01) F02B 3/06 (2006.01) F02B 47/00 (2006.01)
Patent
CA 2185652
Symmetrical or unsymmetrical dialkyl and dicycloalkyl ethers, or alkyl-cycloalkyl (polycycloalkyl) ethers containing a total of 2 to 24 carbon atoms in which the oxygen atom is attached to primary or secondary, but not to tertiary carbon atoms are cleaner burning and cetane enhancing supplements for diesel fuels. The ether supplements are added in an amount of about 0.5 to 5 % v/v. Cetane numbers can be further enhanced by adding 0.05 to 0.5 % by weight of an alkyl or dialkyl peroxide compound having one to 12 carbon atoms in the alkyl group.
Ethers symétriques ou asymétriques de dialkyle et de dicycloalkyle ou éthers d'alkyle-cycloalkyle (polycycloalkyle) contenant un total de 2 à 24 atomes de carbone, où l'atome d'oxygène est fixé à des atomes de carbone primaires ou secondaires mais non tertiaires; ces éthers constituent des additifs de carburant diesel qui permettent d'améliorer la propreté de la combustion et d'augmenter l'indice de cétane. On effectue l'apport de ces additifs d'éthers selon une quantité de 0,5 à 5 % v/v. On peut encore augmenter les indices de cétane par l'addition de 0.05 à 5 % d'un composé de péroxyde d'alkyle ou de dialkyle, dont le groupe alkyle possède un à douze atomes de carbone.
Olah George A.
Osler Hoskin & Harcourt Llp
LandOfFree
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