C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 17/04 (2006.01) B05B 11/00 (2006.01) C11D 3/39 (2006.01)
Patent
CA 2176224
Improved cleaning performance, especially as regards the removal of moulds, can be achieved by the use of two separate liquid compositions, a first of which contains an acid or neutral composition which comprises a peroxide and a second of which contains an alkaline composition, said first and second compositions being stored separately and sprayed from a single unit to common point. By ensuring that these compositions are sprayed, either sequentially or simultaneously onto a surface where they react together to produce an alkaline peroxide solution, it is possible to overcome the problems of instability on storage and ensure that the mixed compositions are delivered at a pH at which the peroxide compound is active as a bleaching agent.
Il est possible d'améliorer la performance de nettoyage, particulièrement en ce qui concerne la suppression de la moisissure, en utilisant deux compositions liquides distinctes. La première contient une composition acide ou neutre qui comprend un péroxyde, et la deuxième composition contient une composition alcaline. Ces deux compositions sont stockées séparément mais sont pulvérisées à partir d'une seule unité vers un point commun. La pulvérisation de ces compositions, de manière séquentielle ou simultanée, sur une surface sur laquelle elles réagissent ensemble pour produire une solution alcaline de péroxyde permet de surmonter les problèmes d'instabilité lors du stockage. En outre, cela permet de garantir que ces compositions mélangées sont délivrées à un pH auquel le composé de péroxyde est actif comme agent de blanchiment.
Smith Gillian
Smith Royston Reginald
Bereskin & Parr
Plc Unilever
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