Bleach activators decrease the energy consumption and fabrics damage in the process of laundry and industrial cotton bleaching. Herein, we demonstrate a low-cost, two-step method for the synthesis of sodium nonanoyloxybenzene sulfonate and sodium lauroyloxybenzene sulfonate from phenol as a simple precursor material for efficient bleach activators. Initially, phenol was sulfonated to sodium p-phenolsulfonate. In the second step, it was acylated with nonanoyl chloride and dodecanoyl chloride to synthesize sodium nonanoyloxybenzene sulfonate and sodium lauroyloxybenzene sulfonate, respectively. Sodium p-phenolsulfonate and the obtained bleach activators were characterized by thermogravimetric analysis, IR-, and 1H NMR spectroscopy. The investigation of their detergency efficiency on different stains and substrates revealed that the as-synthesized bleach activators outperform the commercial tetraacetylethylenediamine (TAED) at room temperature (25°C). The detergency efficiency of sodium lauroyloxybenzene sulfonate for hydrophobic stains at a rather low temperature of 40°C remarkably rises to about 90%.

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以苯酚为原料的低成本两步法合成过碳酸盐和过硼酸盐漂白活化剂的性能评估

漂白活化剂减少了洗衣和工业棉漂白过程中的能源消耗和织物损坏。在这里，我们展示了一种低成本的两步法，用于从苯酚合成壬酰氧基苯磺酸钠和月桂酰氧基苯磺酸钠，作为高效漂白活化剂的简单前体材料。最初，苯酚磺化成钠p-苯酚磺酸盐。第二步用壬酰氯和十二酰氯酰化，分别合成壬酰氧基苯磺酸钠和月桂酰氧基苯磺酸钠。钠p-苯酚磺酸盐和获得的漂白活化剂通过热重分析、IR-和1核磁共振氢谱。对其在不同污渍和基材上的去污效率的研究表明，合成后的漂白活化剂在室温（25°C）下优于市售的四乙酰乙二胺 (TAED)。月桂酰氧基苯磺酸钠在 40°C 相当低的温度下对疏水性污渍的去污效率显着提高到 90% 左右。