Solvated nonionic surfactants and fatty acids

A - Human Necessities – 61 – K

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A61K 8/45 (2006.01) A61K 8/39 (2006.01) A61Q 5/02 (2006.01) C11D 1/66 (2006.01) C11D 3/43 (2006.01) C11D 9/04 (2006.01)

Patent

CA 2531446

A liquid and readily flowable composition includes (a) a room-temperature- solid solute, such as a nonionic surfactant, preferably having a hydrophile- lipophile balance from about 11.1 to about 18.4, a (ii) C8-C14 fatty acid, or combinations thereof; (b) an alkoxylated fatty alkanolamide; and (c) water, if needed. The alkoxylated fatty alkanolamide, which is substantially liquid at room temperature, solvates the solid solute to form a homogeneous composition which is liquid and readily flowable at room temperature. The select classes of nonionic surfactants include polyalkylene oxide carboxylic acid esters, ethoxylated fatty alcohols, poloxamers, alkyl polysaccharides, or combinations thereof. Useful alkoxylated fatty alkanolamides include propoxylated fatty ethanolamides.

Une composition liquide et pouvant s'écouler librement comprend (a) un soluté solide à température ambiante, par exemple, un surfactant non ionique, qui a de préférence une proportion hydrophile-lipophile entre environ 11,1 et environ 18,4, un acide gras (ii) C¿8?-C¿14?, ou leurs combinaisons; (b) un alcanolamide gras alcoxylé; et (c) de l'eau, si nécessaire. L'alcanolamide gras alcoxylé, qui est sensiblement liquide à température ambiante, solvate le soluté liquide pour former une composition homogène qui est liquide et peut s'écouler librement à température ambiante. Les classes sélectionnées de surfactants non ioniques comprennent des esters d'acides carboxylique d'oxyde de polyalkylène, des alcools gras éthoxylés, des poloxamères, des polysaccharides d'alkyle ou leurs combinaisons. Les alcanolamides gras alcoxylés comprennent des éthanolamides gras propoxylés.

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