abstract |
Solid treatment blocks formed from a composition comprising: 10-40% by weight, preferably 15-35% by weight of a linear alkyl benzenesulfonate surfactant, 8-40% by weight, preferably 10-35% by weight of a or several monoalkanolamides or dialkanolamides derived from C8-16 fatty acids, especially C12-14 fatty acids having a monoamine or C2-6 diamine moiety, preferably a linear monoethanolamide; 5-30% by weight, preferably 15-25% by weight of a diluent material, preferably sodium sulfate; 0.1-15% by weight, preferably 0.5-5% by weight of a filler, preferably silica; 0.05-7% by weight, preferably 1-3.5% by weight of a bleaching constituent; optionally but preferably, a hydrocarbon solvent constituent; optionally up to 40% by weight of other additive constituents. |