Cleaning compositions

摘要

The invention provides a tablet of compacted particulate cleaning composition comprising at least one cleaning ingredient selected from the group consisting of organic surfactant, detergency builder and bleach, wherein the tablet or a discrete region thereof comprises water-swellable disintegration-promoting particles comprising a) disintegration material selected from the group consisting of (i) cellulosic material from a plant source other than timber and (ii) plant material which contains both cellulose and lignin, obtainable by fragmentation of plant material without separation of its fibers into a liquid dispersion, and b) carrier material having a solubility in deionised water at 20° C. of about 1 gram per liter or less. The tablets have an aesthetically acceptable colour and exhibit good disintegration and strength properties. The disintegration-promoting particles are also provided.