不同乙氧基链长香兰素基非离子表面活性剂的起泡性

doi:10.3969/j.issn.1001-1803.2019.07.001

Abstract

Abstract:

The vanillin-based polyoxyethylene ethers（VAEO）with ethoxylated（EO）segments of 8, 10 and 12 EO units were studied by the foaming test. Nonylphenol ethoxylate with 10 EO units（NPEO₁₀）was also investigated for comparison. The results show that the foamability of VAEO series is poor, and the foamability even becomes worse with the increase of EO number. For the same surfactant, the foamability first increases and then decreases with the increase of concentration. By analyzing the dynamic surface tension data in the early stage（less than 500 ms）and the static surface tension data of VAEO and NPEO₁₀, it was found that the difference between static and dynamic surface tension was small, indicating that the restoring force was small and the foamability of the VAEO series was poor. Molecular dynamics were used to simulate the aggregation and migration of NPEO₁₀ and VAEO₈ in water, by which the effects of molecular structure on foamability were explored in combination with the dynamic surface tension within 100 ms. The results show that, the lower tendency of VAEO₈ for aggregation in water makes it adsorb to the gas-liquid interface more easily during foaming, resulting in a low dynamic surface tension value, which is not good for foamability.

Key words: vanillin-based polyoxyethylene ether, foamability, dynamic surface tension, molecular dynamics simulation

CLC Number:

TQ423.2

LI Ju-long,DING Feng-mei,ZHOU Xiang,XING Zhi-qi,ZHAO Tao. Foamability of vanillin-based nonionic surfactants with different ethoxy chain length[J].China Surfactant Detergent & Cosmetics, 2019, 49(7): 419-425.

Figures/Tables 11

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References 15

[1]	Ashley W D M . Foams:physics, chemistry and structure[M]. London:Springer London, 1989: 19.
[2]	Zhao G X, Zhu B Y. Principle of surfactant action (First edition) [M]. China Light Industry Press, 2003: 542-543.
[3]	Ewers W E, Sutherland K L . The role of surface transport in the stability and breakdown of foams[J]. Australian Journal of Chemistry, 1952,5(4) : 697-710.
[4]	Rosen M J, Kunjappu J T . Surfactants and interfacial phenomena (Fourth edition)[M]. New Jersey:John Wiley & Sons Inc, 2015: 208.
[5]	Atkin R , Craig V S J, Wanless E J ,et al. Mechanism of cationic surfactant adsorption at the solid-aqueous interface[J]. Advances in Colloid & Interface Science, 2003,103(3) : 219-304.
[6]	Ward A F H, Tordai L . Time-dependence of boundary tensions of solutions I. the role of diffusion in time‐effects[J]. Journal of Chemical Physics, 1946,14(7) : 453-461.
[7]	Stubenrauch C, Miller R . Stability of foam films and surface rheology:an oscillating bubble study at low frequencies[J]. Journal of Physical Chemistry B, 2004,108(20) : 6412.
[8]	Fameau A L, Salonen A . Effect of particles and aggregated structures on the foam stability and aging[J]. Comptes Rendus Physique, 2014,15(8-9) : 748-760. doi: 10.1016/j.crhy.2014.09.009
[9]	Xu L, Xu G, Gong H , et al. Foam properties and stabilizing mechanism of sodium fatty alcohol polyoxyethylene ether sulfate-welan gum composite systems[J]. Colloids and Surfaces A:Physicochemical and Engineering Aspects, 2014,456:176-183.
[10]	Kanokkarn P, Shiina T, Santikunaporn M , et al. Equilibrium and dynamic surface tension in relation to diffusivity and foaming properties:effects of surfactant type and structure[J]. Colloids & Surfaces A Physicochemical & Engineering Aspects, 2017: 524.
[11]	Leung S N, Park C B, Xu D , et al. Computer simulation of bubble-growth phenomena in foaming[J]. Industrial & Engineering Chemistry Research, 2006,45(23) : 7823-7831.
[12]	Fan J, Mitchell J R ,Blanshard J M V.A computer simulation of the dynamics of bubble growth and shrinkage during extrudate expansion[J]. Journal of Food Engineering, 1994,23(3) : 337-356.
[13]	Wu Z F, Zhou X, Ding F M , et al. Synjournal of vanillin 1,2-octanediol acetal[J]. Applied Chemical Industry, 2015 ( 5) : 817-820.
[14]	Chen R X . Evaluation of eco-environmental problems of alkylphenol ethoxylates (APEO)[J]. Textile Auxiliaries, 2006,23(4) : 1-6.
[15]	Scriven L E, Sternling C V . The marangoni effects[J]. Nature, 1960,187(4733) : 186-188.

Foamability of vanillin-based nonionic surfactants with different ethoxy chain length

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