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{'最近の私たちの研究では,マイクロ波が界面で強く吸収されるため,油-水系の界面張力を変化させることを示している。同時に,マイクロ波の吸収によるエネルギー集中によって界面活性剤分子は界面から脱着し,その脱着レベルは照射モードに依存することが分かった。したがって,マイクロ波照射により引き起こされる界面活性剤の脱着時の界面張力の増加量は,HLB値(親水性-親油性バランス)に代わる新たな界面活性剤能力の推定方法に使用できると考えた。本研究では,親水性または疎水性の長さが異なる界面活性剤を使用し,マイクロ波照射中および照射後の界面張力を測定した。その界面張力の経時変化によると,パルス照射後の界面活性剤の脱着によって引き起こされる急激な界面張力の増加は,親水性または疎水性の長さに依存し,その増加比率はHLB値と密接に関連していることが分かった。界面活性剤の脱着は,マイクロ波吸収による界面での水分子の回転によって強制的に引き起こされ,界面張力の最大値は実際の吸着能力を表すと考えられる。最後に,この手法は,将来的には界面活性剤の新しい評価方法となることが期待される。': [0]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W4283739702', 'counts_by_year': [], 'updated_date': '2024-08-22T01:54:31.685305', 'created_date': '2022-07-02'}