Mesoscopic simulation on phase behavior of star-like block polyether solution in the absence and presence of shear

Cao, Xiangyu; Xu, Guiying; Yuan, Shiling; Gao, Baoyu

doi:10.1039/c1sm05319a

Cited by 4 publications

(2 citation statements)

References 51 publications

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“…The PEO-PPO-PEO copolymers have broad applications due to their unique physicochemical properties such as detergent, foaming, emulsification, and so on, and they can be used in nanomaterial synthesis (Firestone et al, 2000(Firestone et al, , 2003Gong et al, 2014). A series of amphiphilic polyethers with branch structures have been studied in our laboratory, and many of their advantages and practical applications have been demonstrated (Cao et al, 2011;Chen et al, 2014Chen et al, , 2015Gong et al, 2009;Liu et al, 2013;Wang et al, 2006;Xin et al, 2007Xin et al, , 2008aZhang et al, 2004Zhang et al, , 2005.…”

Section: Introductionmentioning

confidence: 99%

Effects of Sodium Benzoate and Sodium Chloride on the Aggregation Behaviors of PEO‐PPO‐ph‐PPO‐PEO and PPO‐PEO‐ph‐PEO‐PPO at the Air/Water Interface

Gong

et al. 2018

J Surfact & Detergents

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The effect of sodium benzoate and sodium chloride on the aggregation behavior of PEO-PPO-ph-PPO-PEO (BPE) and PPO-PEO-ph-PEO-PPO (BEP) polyethers at the air/water interface was investigated by measuring the equilibrium surface tension, surface dilational viscoelasticity, and surface tension relaxation. The measurements of surface tension showed that sodium benzoate has a better effect on decreasing the surface tension of BPE and BEP solutions than NaCl, especially when the polyether concentrations are low. According to dilational viscoelasticity measurements, the concentration of BPE required for the maximum dilational modulus is lower than that of BEP, indicating that BPE more easily forms a compact adsorbed layer. The dilational modulus values of BPE solutions in the presence of sodium benzoate and NaCl first increase and then decrease after passing through a maximum, and then they increase again with increasing electrolyte concentration. On the other hand, the dilational modulus values of BEP solutions in the presence of sodium benzoate and NaCl first increase to a maximum and then decrease with increasing electrolyte concentration. The surface tension relaxation results are consistent with those of dilational viscoelasticity. The different effects of sodium benzoate and NaCl on the polyether aggregation behaviors are caused by the strong hydrophobic and π-π interactions between polyethers and sodium benzoate. This work has a great importance for the application and development of polyethers. ). Both chemicals were used directly without further purification because their purity was greater than 99.5%. Water used in the experiments was triple distilled with a quartz still.

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Section: Introductionmentioning

confidence: 99%

Effects of Sodium Benzoate and Sodium Chloride on the Aggregation Behaviors of PEO‐PPO‐ph‐PPO‐PEO and PPO‐PEO‐ph‐PEO‐PPO at the Air/Water Interface

Gong

et al. 2018

J Surfact & Detergents

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“…Mesoscopic simulations have been used to study the aggregation behavior of polymeric surfactants before [14][15][16][17][18][19][20][21][22][23][24]. As computing power has increased, mesoscopic simulation has formed a bridge between speedy molecular kinetics and slow thermodynamic relaxation of macroscale properties.…”

Section: Introductionmentioning

confidence: 99%

Solubilization of saikosaponin a by ginsenoside Ro biosurfactant in aqueous solution: Mesoscopic simulation

Dai¹,

Shi²,

Wang³

et al. 2012

Journal of Colloid and Interface Science

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Effect of inorganic salts on the aggregation behavior of branched block polyether at air/water and n-heptane/water interfaces

Zhai

Chen

et al. 2013

Colloid Polym Sci

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Mesoscopic simulation on phase behavior of star-like block polyether solution in the absence and presence of shear

Cited by 4 publications

References 51 publications

Effects of Sodium Benzoate and Sodium Chloride on the Aggregation Behaviors of PEO‐PPO‐ph‐PPO‐PEO and PPO‐PEO‐ph‐PEO‐PPO at the Air/Water Interface

Effects of Sodium Benzoate and Sodium Chloride on the Aggregation Behaviors of PEO‐PPO‐ph‐PPO‐PEO and PPO‐PEO‐ph‐PEO‐PPO at the Air/Water Interface

Solubilization of saikosaponin a by ginsenoside Ro biosurfactant in aqueous solution: Mesoscopic simulation

Effect of inorganic salts on the aggregation behavior of branched block polyether at air/water and n-heptane/water interfaces

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