High viscosity complex alcohol esters

Details High viscosity complex alcohol esters High viscosity complex alcohol esters

C - Chemistry, Metallurgy

07

C

C07C 69/44 (2006.01) C07C 69/34 (2006.01) C07C 69/60 (2006.01) C07C 69/80 (2006.01) C10L 1/14 (2006.01) C10L 10/04 (2006.01) C10M 105/42 (2006.01) C10M 105/46 (2006.01) C10M 111/00 (2006.01) C10M 129/78 (2006.01) C10M 129/82 (2006.01) C10M 169/04 (2006.01) C10M 171/00 (2006.01)

Patent

CA 2262466

A complex alcohol ester which comprises the reaction product of an add mixture of the following: a polyhydroxyl compound represented by the general formula: R(OH)n wherein R is any aliphatic or cyclo-aliphatic hydrocarbyl group and n is at least 2, provided that the hydrocarbyl group contains from about 2 to 20 carbon atoms; a polybasic acid or an anhydride of a polybasic acid, provided that the ratio of equivalents of the polybasic acid to equivalents of alcohol from the polyhydroxyl compound is in the range between about 1.6:1 to 2:1; and a monohydric alcohol, provided that the ratio of equivalents of the monohydric alcohol to equivalents of the polybasic acid is in the range between about 0.84:1 to 1.2:1; wherein the complex alcohol ester exhibits a pour point of less than or equal to -20 ~C, a viscosity in the range between about 100- 700cST at 40 ~C and having a polybasic acid ester concentration of less than or equal to 70 wt.%, based on the complex alcohol ester.

Ester d'alcool complexe qui comprend le produit de réaction d'un mélange des substances suivantes: un composé polyhydroxyle de formule générale R(OH)¿n? dans laquelle R est un groupe hydrocarbyle aliphatique ou cyclo-aliphatique, et n est au moins 2, à condition que le groupe hydrocarbyle contienne d'environ 2 à 20 atomes de carbone; un polyacide ou un anhydride d'un polyacide, à condition que le rapport entre les équivalents du polyacide et les équivalents d'alcool du composé polyhydroxyle se trouve dans la plage comprise entre environ 1,6/1 et 2/1; et un alcool monohydrique, à condition que le rapport entre les équivalents de l'alcool monohydrique et les équivalents du polyacide se trouve dans la plage comprise entre environ 0,84/1 et 1,2/1. Ledit ester d'alcool complexe présente un point d'écoulement inférieur ou égal à -20 ·C, une viscosité de l'ordre d'environ 100 à 700 cSt à 40 ·C et possède une concentration en ester de polyacide inférieure ou égale à 70 % en poids, sur la base de l'ester d'alcool complexe.

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