Abstract
AbstractA series of sodium N‐alkylsulfosuccinimides and N‐acyloxymethylsulfosuccinimides were prepared by reaction of the corresponding N‐alkylmaleimides and N‐acyloxymethylmaleimides with sodium bisulfite in aqueous ethanol. The N‐alkylmaleimides were prepared by dehydration of N‐alkylmaleamic acids with acetic anhydride and fused sodium acetate. The N‐acyloxymethylmaleimides were obtained by reaction of an acyl chloride with N‐methylolmaleimide in a pyridine‐acetone solvent. The surface active properties of the sulfonated derivatives showed them to be efficient lime soap dispersing agents with good calcium ion stability but relatively high Krafft points. The 2 types of compounds exhibited similar detergency characteristics under the conditions employed and were generally comparable to the control on a cotton‐polyester blend when used alone and in a ternary formulation with soap and silicate builder on cotton test cloths.
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