Carrier foam to enhance liquid functional performance

C - Chemistry – Metallurgy – 09 – K

Patent

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Details

C09K 3/30 (2006.01) B65D 83/28 (2006.01)

Patent

CA 2542122

A carrier fluid foam, which enhances the functional performance of liquids containing one or more functional active agents such as cleaners, lubricants, agricultural chemicals, household chemicals, industrial chemicals, institutional chemicals, medicinal chemicals, cosmetic chemicals and pharmaceutical chemicals, contains a solution of the functional active agent and a surfactant and has a particular combination of foam syneresis value, foam horizontal thickness half-life, and vertical wall clingability, and compared to liquids containing the same active agents, provides superior performance, normally without scrubbing. The carrier fluid foam is produced by vigorous agitation of the solution containing the active agent and a surfactant in the presence of a gas, or by injection of a pressurized propellant into an aerosol dispenser containing such solution, and then passing the solution/propellant mix through a mechanical break-up actuator in the valve assembly of the aerosol dispenser.

L'invention concerne une mousse fluide porteuse qui améliore l'efficacité fonctionnelle de liquides contenant un ou plusieurs principes actifs, tels que nettoyants, lubrifiants, produits chimiques agricoles, ménagers, industriels, organiques, médicaux, cosmétiques, pharmaceutiques, qui renferme une solution du principe actif fonctionnel et un tensioactif et qui a une combinaison particulière de valeur de synérèse de mousse, de demi-vie d'épaisseur horizontale de mousse, d'adhérence à une paroi verticale, et, comparativement aux liquides contenant les mêmes principes actifs, possède une efficacité supérieure, d'ordinaire sans lavage. On produit ladite mousse fluide porteuse en agitant vigoureusement la solution contenant le principe actif et un tensioactif en présence d'un gaz, ou en injectant un propulseur sous pression dans un distributeur d'aérosol contenant une telle solution, puis en faisant passer le mélange solution/propulseur dans un dispositif de scission mécanique disposé dans l'ensemble soupape du distributeur d'aérosol.

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