Surfactant-Loaded-Citrate – A Winning Combination for Automatic Dishwashing Detergents

S. Hübner, F. Weiher, D. Buser

Since the EU regulation on phosphorus limitation in automatic dishwashing detergents (ADWDs) entered into force in JanuarySince the EU regulation on phosphorus limitation in automatic dishwashing detergents (ADWDs) entered into force in January2017, sodium citrates have become a well-established alternative to phosphates as environmentally friendly builders for ADWDs.An innovative alternative to the commonly used sodium citrate dihydrate (TSC) is the anhydrous form of sodium citrate(TSA) which has an active content of 100%. TSA has excellent tableting properties and can be used as a carrier for liquid activesubstances due to its porous structure. In that regard, surfactants are of special interest because they are often liquid or waxyand therefore represent a particular challenge in dry formulations (e.g. tablets). An advantageous combination of the two activesubstances can be achieved by loading TSA with surfactants. Loading TSA with surfactants shows that free-flowing TSA-surfactantpowder can be produced. This loading step allows for easy handling of raw materials and, in the final application, excellenttablet properties.

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14,02 € pro Stück

zzgl. 7% MwSt. (nur Deutschland)

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