Effect of Adding Lecithin and Nonionic Surfactant on α-Gels Based on a Cationic Surfactant-Fatty Alcohol Mixture
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- Aramaki Kenji
- Graduate School of Environment and Information Sciences, Yokohama National University
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- Matsuura Yuka
- Graduate School of Environment and Information Sciences, Yokohama National University
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- Kawahara Katsuki
- Graduate School of Environment and Information Sciences, Yokohama National University
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- Matsutomo Daisuke
- Research and Development Division, KOSÉ Corporation
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- Konno Yoshikazu
- Research and Development Division, KOSÉ Corporation
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説明
<p>α-Gels are often used as base materials for cosmetics and hair conditioners. α-Gel-based commercial products typically contain many types of additives, such as polymers, electrolytes, oily components, and other surfactants, in addition to the three basic components. However, few systematic studies have been conducted on the effect of such additives on α-gels. In this study, we chose surfactant as an example to initiate the effect of such additives on the structure and rheological properties of α-gel samples formulated using cetyl alcohol (C16OH) and cetyltrimethylammonium chloride (CTAC). Optical microscopy analysis demonstrated that the size of the vesicles in the α-gel samples in this study was decreased via the addition of hydrogenated soybean lecithin (HSL) and penta(oxyethylene) cetyl ether (C16EO5), a nonionic surfactant, to them. Rheological measurements revealed that at high C16OH/CTAC ratios, the viscosity and yield stress of the α-gel samples decreased owing to the addition of surfactants to them. Conversely, at low C16OH/CTAC ratios, the opposite tendency was observed. Small-angle X-ray scattering analysis indicated that for the α-gel samples with high C16OH/CTAC ratios, the addition of HSL or C16EO5 to them decreased the interlayer spacing of their lamellar bilayer stack, which led to the changes in the rheological properties of the α-gel samples.</p>
収録刊行物
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- Journal of Oleo Science
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Journal of Oleo Science 70 (1), 67-76, 2021
公益社団法人 日本油化学会
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詳細情報 詳細情報について
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- CRID
- 1391694356257864960
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- NII論文ID
- 130007966427
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- NII書誌ID
- AA11503337
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- ISSN
- 13473352
- 13458957
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- NDL書誌ID
- 031204991
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- PubMed
- 33431774
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可