C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 1/66 (2006.01) C11D 1/75 (2006.01) C11D 1/835 (2006.01) C11D 1/62 (2006.01)
Patent
CA 2172148
This invention relates to emulsion compositions which are used as auto spray waxes or rinse or drying aids in automatic car washes. The inventive emulsion replaces mineral seal oil of prior art emulsions with more environmentally acceptable simple esters of natural fatty acids having general structural formula (I), wherein R-C is from an acid moiety having approximately 12-26 carbon atoms, and R' is from an alcohol moiety having approximately 1-5 carbon atoms. In an additional embodiment, the emulsion composition can include an amine oxide coupling solvent or solubilizer.
L'invention se rapporte à des compositions d'émulsions utilisées comme cires d'arrosage ou agents de rinçage ou de séchage pour automobiles dans des installations de lavage automatique de voitures. Dans l'émulsion selon l'invention l'huile minérale constituant l'élément hydrophobe des émulsions de l'état antérieur est remplacée par des esters simples d'acides gras naturels, plus acceptables sur le plan écologique, répondant à la formule générale (I) dans laquelle R-C provient d'une fraction acide ayant approximativement 12 à 26 atomes de carbone, et R' provient d'une fraction alcool ayant approximativement 1 à 5 atomes de carbone. Dans une réalisation complémentaire, la composition de l'émulsion peut comprendre, comme solvant ou agent de solubilisation de couplage, un oxyde d'amine.
Swenson Robert A.
Welch William E.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Tomah Products Inc.
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