Hydrophilic-lipophilic balance

Japanese: hydrophilic-lipophilic balance(英語表記)hydrophiliclipophilicbalance
Hydrophilic-lipophilic balance


[HLB]
HLB is used as one of the means to express the characteristics of surfactants. It is an abbreviation for hydrophilic-lipophilic balance, which is an empirical value obtained by expressing the balance between hydrophilic and lipophilic groups in the molecule, and is expressed as a value between 0 for those with no hydrophilic groups and 20 for those with no lipophilic groups. Various empirical formulas have been proposed for calculating HLB, but in the case of fatty acid esters of polyhydric alcohols, it is expressed by the following formula...

*Some of the terminology that refers to "hydrophilic-lipophilic balance" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:


[HLB]
 界面活性剤の特性を表示する手段の一つとしてHLBを用いる。これは分子中の親水基と親油基のバランスを経験的な数値で求めたもので,hydrophilic‐lipophilic balanceの略号であり,親水基をもたない場合を0,親油基をもたない場合を20とし,この間の数値で表す。HLBの計算法についてはさまざまな実験式が提案されているが,多価アルコールの脂肪酸エステルの場合は次式で示される。…

※「hydrophilic-lipophilic balance」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

<<:  Hydrophilic sol (English spelling)

>>:  Hydrophile colloid

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