Process for making detergent compositions

The autoxidation of aqueous detergent slurries containing major quantities of nonionic surfactant during spray-drying is inhibited by the use of a charge-transfer agent. The charge-transfer agent may be a charge-transfer acceptor or a charge-transfer donor or a precursor of either of these. The agen...

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Bibliographische Detailangaben
Hauptverfasser: EDGE, DAVID J, LAPPER, MARK L. L, COXON, ANDREW C
Format: Patent
Sprache:eng
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Zusammenfassung:The autoxidation of aqueous detergent slurries containing major quantities of nonionic surfactant during spray-drying is inhibited by the use of a charge-transfer agent. The charge-transfer agent may be a charge-transfer acceptor or a charge-transfer donor or a precursor of either of these. The agent may be present in an amount of from 0.05 to 2% by weight and the nonionic surfactant in an amount of 3% or more by weight based on the weight of the fully formulated detergent powder. The preferred charge-transfer agent is potassium iodide.