Characteristic of <i>N</i>-Acyl Aspartic Acid-Based Surfactant

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  • アシルアスパラギン酸系界面活性剤の特性
  • アシルアスパラギンサンケイ カイメン カッセイザイ ノ トクセイ

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<p>N-acyl glutamic acid-based surfactant contains an acyl as a lipophilic group and amino acids as a hydrophilic group, and takes on the characteristic of an anion, varying in solubility to water and texture widely depending on pH and the type of counterion. The amino acid-based surfactants as typified by N-acyl glutamic acid-based surfactant are preferred for the reason that they provide a feeling of relief and safety because of their natural origin, and a feeling of moisture; they have applications in hair care products supplied by beauty parlors and barbershop. Focusing on tje higher foaming capability of N-acyl aspartic acid-based surfactant compared to N-acyl glutamic acid-based surfactant, evaluations (such as safety and coacervate formation) of the characteristics of its synthetic substances including sodium lauroyl aspartate and TEA-lauroyl/myristoyl aspartate were conducted, and we herein report on the foaming properties and viscosity for a combination of ampholytic surfactant and/ or non-ionic surfactant.</p>

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