Delayed-release shaped bodies for use in toilets

Details Delayed-release shaped bodies for use in toilets Delayed-release shaped bodies for use in toilets

C - Chemistry, Metallurgy

11

D

C11D 17/00 (2006.01) C11D 3/20 (2006.01) C11D 3/37 (2006.01) C11D 7/26 (2006.01)

Patent

CA 2753265

The invention pertains to a shaped body suitable for use as acid-releasing body in toilets, which comprises 10-95% of a lactic acid oligomer with an average degree of polymerization between 1.8 and 4. The use of lactic acid oligomers of this type results in the controlled release of lactic acid, which serves to reduce or prevent to the formation of calcium and magnesium deposits in the toilet, contributes to soap scum removal, and has a sanitising and disinfecting effect. The shaped bodies may be used in-bowl or in-cistern. A process for manufacturing the shaped bodies, their use in a toilet, a process for ensuring delayed release of lactic. acid, and a toilet provided with the block are also claimed.

La présente invention concerne un corps profilé approprié pour être utilisé comme corps libérateur d'acide dans des toilettes, qui comprend 10 à 95 % d'un oligomère d'acide lactique avec un degré de polymérisation moyen compris entre 1,8 et 4. L'utilisation d'oligomères d'acide lactique de ce type aboutit à la libération contrôlée d'acide lactique, ce qui sert à réduire ou à prévenir la formation de dépôts de calcium et de magnésium dans les toilettes, contribue à l'élimination de la mousse, et a un effet nettoyant et désinfectant. Les corps profilés peuvent être utilisés dans la cuvette ou dans la chasse d'eau. L'invention concerne également un procédé de fabrication des corps profilés, leur utilisation dans des toilettes, un procédé permettant de garantir la libération retardée de l'acide lactique, et des toilettes équipées du bloc.

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