Synthesis and properties of sodium fatty acyl lactylates

被引：6

作者：

Fan, Jiamin ^{[1
]}

Zhang, Jun ^{[1
]}

Yang, Xiuquan ^{[1
]}

Bai, Liang ^{[1
]}

Zhou, Yuan ^{[1
]}

Wu, Zhiyu ^{[1
]}

Qin, Ziyu ^{[1
]}

机构：

[1] China Res Inst Daily Chem Ind, Taiyuan 030001, Peoples R China

来源：

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2022年 / 653卷

关键词：

Sodium fatty acyl lactylate; Surface tension; Adsorption; Application performance; DYNAMIC SURFACE-TENSION; PERFORMANCE; EMULSIFICATION;

D O I：

10.1016/j.colsurfa.2022.129946

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Sodium fatty acyl lactylates (Cn lactylates), which are a class of biomass-based surfactants, were synthesized from fatty acids and lactic acid via a two-step reaction. The equilibrium surface tensions, dynamic surface tensions, and application performances of synthesized surfactants with various hydrophobic chain lengths were studied and compared. With the increasing of alkyl chain length, the Cn lactylates exhibited better surface activity along with excellent foaming and emulsificationproperties, and the wettability on paraffin film and stain removal ability on carbon black-stained cloth improved. Moreover, C10 lactylate showed superior antibacterial ability against E. coli, whereas C12 lactylate demonstrated the best wetting property on canvas sheets and the best decontaminability on sebum-soiled cloths. These results showed that the properties of Cn lactylates can be tuned by modifying the chain length.

引用

页数：10

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