Effervescent compositions and dry effervescent granules

Details Effervescent compositions and dry effervescent granules Effervescent compositions and dry effervescent granules

C - Chemistry, Metallurgy

11

D

C11D 3/00 (2006.01) A23L 2/40 (2006.01) C11D 3/10 (2006.01) C11D 3/20 (2006.01) C11D 7/12 (2006.01) C11D 7/26 (2006.01) C11D 7/32 (2006.01) C11D 11/00 (2006.01) C11D 17/06 (2006.01) C11D 1/52 (2006.01) C11D 1/66 (2006.01) C11D 1/72 (2006.01)

Patent

CA 2284755

The present invention discloses dry effervescent granules comprising an acid, carbonate source and optionally a binder, wherein said acid, carbonate source and optionally binder are in close physical proximity. The invention also discloses granular compositions, containing effervescence material comprising an acid and a carbonate source, which has an effervescence index (EI) of at least 50. The granular compositions may be obtainable by incorporating said pre-formed dry effervescent granules into said granular compositions, especially detergent compositions. Improved effervescence is obtained when diluting these granular detergent compositions with water to obtain a washing/soaking liquor, resulting thereby in improved dissolution/dispensing characteristics and improved stain removal performance on soiled fabrics.

La présente invention concerne des granulés secs effervescents comprenant un acide et une source de carbonate et, facultativement, un liant, l'acide et la source de carbonate et le liant facultatif se trouvant à proximité physique immédiate l'un de l'autre. L'invention se rapporte également à des compositions granulaires contenant une matière d'effervescence comprenant un acide et une source de carbonate dont l'indice d'effervescence (EI) est d'au moins 50. On forme les compositions granulaires en incorporant des granulés secs effervescents préformés dans lesdites compositions granulaires, qui sont en particulier des compositions détergentes. En diluant ces compositions détergentes granulaires avec de l'eau afin de former une eau de lavage/trempage, on obtient une effervescence améliorée et, par conséquent, des caractéristiques améliorées de dissolution/distribution et des résultats de détachage améliorés.

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