Phase stable viscoelastic cleaning compositions

C - Chemistry – Metallurgy – 11 – D

Patent

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C11D 17/00 (2006.01) C11D 1/62 (2006.01) C11D 1/645 (2006.01) C11D 1/65 (2006.01) C11D 3/395 (2006.01) C11D 7/06 (2006.01) C11D 1/04 (2006.01) C11D 1/14 (2006.01) C11D 1/22 (2006.01) C11D 1/40 (2006.01)

Patent

CA 2110034

A thickened aqueous cleaning composition is viscoelastic, and has utility as a drain opening composition or as a hard surface cleaner having a cleaning-effective residence time on non-horizontal surfaces. In one embodiment the composition comprises a cleaning active, a quaternary ammonium compound, and an organic counterion. In another embodiment, the viscoelastic quality of the composition is advantageously utilized as a drain opener which rapidly penetrates standing water with minimal dilution to deliver active to the clog material. In these embodiments and corresponding methods of use, a free amine is limited with respect to the amount of the quaternary ammonium compound in the composition in order to maintain phase stability and to achieve further enhanced rheological and aesthetic properties in the composition.

Composition de nettoyage aqueuse épaissie qui est visco-élastique et est utile en tant que composition de débouchage de tuyaux ou en tant que nettoyant de surfaces dures, demeurant suffisamment longtemps sur des surfaces non horizontales pour fournir un nettoyage efficace. Dans un mode de réalisation, ladite composition comprend une substance active de nettoyage, un composé d'ammonium quaternaire et un contre-ion organique. Dans un autre mode de réalisation, la propriété visco-élastique de la composition est utilisée avantageusement pour déboucher des tuyaux parce que ladite composition pénètre rapidement dans l'eau stagnante et avec une dilution minimale afin d'acheminer les substances actives jusqu'aux matières obstruantes. Dans ces modes de réalisation et dans les procédés d'utilisation correspondants, une amine libre est limitée par rapport à la quantité de composé d'ammonium quaternaire présent dans la composition, afin de maintenir la stabilité de phase et de conférer à ladite composition des propriétés rhéologiques et esthétiques encore améliorées.

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