Alkyl lactyllactates and processes of making the same

Details Alkyl lactyllactates and processes of making the same Alkyl lactyllactates and processes of making the same

C - Chemistry, Metallurgy

07

C

C07C 69/66 (2006.01) A61K 8/37 (2006.01) C07C 67/03 (2006.01) C11D 3/20 (2006.01)

Patent

CA 2656697

Provided are alkyl lactyllactate compositions that can be prepared from (1) lactide or alternatively lactic acid, and (2) a hydroxyl containing compound such as an alcohol, preferably a fatty alcohol or an alkoxylated alcohol, with (3) an acid catalyst. Preferably, the fatty alcohol contains from about 6 to 18 carbon atoms, such as lauryl alcohol. The alkyl lactyllactates can be used as surfactants, emulsifiers, skin feel agents, film formers, thickeners, rheological modifiers, etc., for personal care and other application areas. Compositions containing at least one alkyl lactyllactate are also provided. The compositions can further contain at least one surfactant

La présente invention concerne des compositions d'alkyl lactyl lactate qui peuvent être préparées à partir de (1) lactide ou de manière alternative d'acide lactique, et (2) d'un composé contenant de l'hydroxyle tel qu'un alcool, de préférence un alcool gras ou un alcool alcoxylé, avec (3) un catalyseur acide. De préférence, l'alcool gras contient d'environ 6 à 18 atomes de carbone, et peut être un lauryl alcool. Les alkyl lactyl lactates peuvent être utilisés comme tensio-actifs, émulsifiants, agents d'amélioration du toucher, agents filmogènes, agents épaississants, agents de modification rhéologique, etc. destinés au soin personnel et à d'autres champs d'application. L'invention concerne également des compositions contenant au moins un alkyl lactyl lactate. Les compositions peuvent également contenir au moins un tensio-actif.

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