Thickened scouring cleanser containing inorganic abrasives...

C - Chemistry – Metallurgy – 11 – D

Patent

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C11D 3/14 (2006.01) C11D 3/12 (2006.01) C11D 3/37 (2006.01) C11D 3/395 (2006.01) C11D 17/00 (2006.01) C11D 1/10 (2006.01) C11D 1/24 (2006.01)

Patent

CA 2219679

A thickened stable hard surface cleaner comprising by weight (a) from about 10 to about 30 % abrasive particles, (b) from about 0.5 to about 2.5 % of a chlorine-containing bleach, (c) from about 0.5 to about 3 % of a thickening system comprising a cross-linked polyacrylate resin having a molecular weight in the range of 1,000,000 to 10,000,000 and a synthetic smectite clay resembling natural clays of the hectorite class, the amount of said clay being from about 20 to about 80 %, preferably from 50 to 80 %, of the thickening system, (d) from about 0.25 to about 2.0 % of a bleach stable surfactant system comprising mainly anionic surfactants, (e) from 0 to about 3 % of an electrolyte selected from the group comprising sodium or potassium carbonates or silicates, and (f) sufficient amount of sodium or potassium hydroxide to attain a pH in the range of 11.5 to 13.5.

Un détergent stable, épaissi, pour surfaces dures, comprend, en poids, (a) environ 10 à environ 30 % de particules abrasives, (b) environ 0,5 à environ 2,5 % d'un agent de blanchiment contenant du chlore, (c) environ 0,5 à environ 3 % d'un système épaississant comprenant une résine de polyacrylate réticulé dont le poids moléculaire est compris entre 1 000 000 et 10 000 000 et une argile à smectite synthétique ressemblant à de l'argile naturelle de la classe hectorite, cette argile se trouvant dans le système épaississant à raison d'environ 20 à environ 80 %, de préférence entre 50 et 80 %, (d) environ 0,25 à environ 2 % d'un système de tensioactifs stable à l'agent de blanchiment composé principalement de tensioactifs anioniques, (e) environ 0 à environ 3 % d'un électrolyte sélectionné dans le groupe comprenant des carbonates ou des silicates de sodium ou de potassium, et (f) une quantité suffisante d'hydroxyde de sodium ou de potassium pour obtenir un pH compris entre 11,5 et 13,5.

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