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不同制备方法得到的石油羧酸盐，其亲油、亲水性有较大差异，利用这些差异进行复配可取得良好的协同效应；在石油羧酸盐体系中，用两种电解质复配调节盐度往往比用一种电解质的效果好；将烃氧化产物和石油羧酸盐活性剂复配也可产生良好的协同效应，成为活性剂本身的良好助剂。
Petroleum carboxylates obtained by different preparation methods have great differences in lipophilicity and hydrophilicity, and good synergistic effects can be obtained by using these differences in complexation. In the case of petroleum carboxylate systems, the two carboxylates are complexed with two electrolytes Salinity is often more effective than an electrolyte; the combination of hydrocarbon oxidation products and petroleum carboxylate activators can also produce good synergistic effects and become a good adjuvant to the active agent itself.