MACHINE DISHWASHING AND RINSE AID COMPOSITIONS

摘要

Use is provided of a low-MW (1000-60,000) block copolymer comprising 20-95 mole % of itaconic acid units and 5-80 mole % of vinyl alcohol or vinyl acetate units, as an antiscalant in machine dishwashing operations. The polymer is biodegradable and can be incorporated as ingredient in the main wash machine dishwashing compositions or in rinse aid compositions.