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首页> 外文期刊>RSC Advances >Sustainable oleic and stearic acid based biodegradable surfactants
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Sustainable oleic and stearic acid based biodegradable surfactants

机译：可持续的基于油酸和硬脂酸的可生物降解表面活性剂

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Renewable ester functionalized oleic and stearic acid based imidazolium surfactants were synthesized and characterized using spectroscopic techniques. The new surfactants were investigated for their self-aggregation properties and biodegradability in aqueous solution. These fatty acid based surfactants were able to self-aggregate into micelles at lower concentration compared to conventional surfactants and were found to be readily biodegradable. The surface properties and biodegradation rate of these new renewable surfactants depend on the nature of the hydrophobic tail. The oleic acid based surfactant containing a double bond in the hydrophobic oleyl tail demonstrated a greater capability to reduce the surface tension of an aqueous solution along with a greater ability to undergo biodegradation compared to the saturated hydrophobic stearyl tail containing a stearic acid based surfactant.
机译：合成了可更新的酯官能化的油酸和硬脂酸基咪唑鎓表面活性剂，并使用光谱技术对其进行了表征。研究了新型表面活性剂在水溶液中的自聚集性能和生物降解性。与常规表面活性剂相比，这些基于脂肪酸的表面活性剂能够在较低浓度下自聚集成胶束，并且发现它们易于生物降解。这些新型可再生表面活性剂的表面性质和生物降解速率取决于疏水尾巴的性质。与包含硬脂酸基表面活性剂的饱和疏水性硬脂基尾基相比，在疏水性油烯基尾部中包含双键的油酸基表面活性剂表现出更大的降低水溶液表面张力的能力以及更大的生物降解能力。

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