| 摘要 |
<p>An improved phosphate-free, particularly phosphorus-free machine dishwashing composition comprises a non-phosphate builder, such as zeolite, alkalimetal citrate, alkalimetal carbonate and bicarbonate, and mixtures thereof, wherein the amount of carbonate and/or bicarbonate if present, does not exceed 50% by weight of the composition, and contains an effective amount of a biodegradable poly-amino acid compound of the formula: Poly (X)n wherein each X is independently aspartic acid or salts thereof, glutamic acid or salts thereof, glutamine, asparagine, or mixtures thereof; and n is 3 to 1000.</p> |
