Stability and rheological properties of foams co-stabilized by hydrophilic silica nanoparticles and amino acid/alkyl glycoside surfactants

被引:19
作者
Sheng, Youjie [1 ]
Zhang, Hanling [1 ]
Guo, Ying [2 ,3 ]
Ma, Li [1 ]
Wang, Qiuhong [1 ]
Hu, Die [1 ]
机构
[1] Xian Univ Sci & Technol, Coll Safety Sci & Engn, Xian 710054, Peoples R China
[2] China Univ Min & Technol, Coll Safety Sci & Engn, Xuzhou 221116, Peoples R China
[3] Yanzhou Coal Min Co Ltd, Zoucheng 237500, Peoples R China
基金
中国国家自然科学基金;
关键词
Silica nanoparticle; Foam stability; Amino acid; Alkyl glycoside; Rheological properties; CATIONIC SURFACTANTS; AQUEOUS FOAMS; MECHANISMS; ADSORPTION; PARTICLES; EMULSIONS; BEHAVIOR; MIXTURES; GREEN; GEL;
D O I
10.1016/j.molliq.2023.122009
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
Foams stabilized by nanoparticles (NPs) and surfactants have potential applications in the development of new environmentally friendly firefighting foams. In the present study, the mixed dispersions of anionic amino acid surfactant (SLG), nonionic alkyl glycoside surfactant (APG0810), and silica NPs were prepared. The influence of silica NPs on foamability, foam drainage, foam coarsening, and foam rheological properties of the mixture of SLG/APG0810 was systematically investigated. Results indicate that the presence of NPs results in decrease in conductivity and surface tension of the mixed dispersion. The viscosity of the mixed dispersions slightly decreases and then increases, while the foamability decreases following an increase with increasing NP concentration. The apparent viscosity of the mixed dispersions decreases over shear rate. The increase in NP concentration leads to rapid increase in viscoelastic modulus of the mixed dispersions and foams. The presence of NPs with concentration below 1 wt% results in acceleration of foam drainage and coarsening, while the presence of NPs with concentration above 1 wt% leads to deceleration of foam drainage and coarsening. This study offers theoretical support for the use of NPs in fluorine-free firefighting foams.
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页数:9
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  • [71] Study of the environmental responsiveness of amino acid-based surfactant sodium lauroylglutamate and its foam characteristics
    Zhang, Dianrui
    Sun, Yange
    Deng, Quanhua
    Qi, Xiaoqing
    Sun, Haoyang
    Li, Ying
    [J]. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, 2016, 504 : 384 - 392
  • [72] Remediation of hexachlorobenzene-contaminated soils with alkyl glycoside-enhanced desorption and zero-valent iron-EDTA-air treatment
    Zhou, Haiyan
    Wang, Di
    Cao, Menghua
    Li, Pengyu
    Wang, Linling
    Chen, Jing
    Lu, Xiaohua
    [J]. JOURNAL OF ENVIRONMENTAL QUALITY, 2020, 49 (02) : 358 - 367