Interaction of Polyethylene Glycol with Water-in-Oil Microemulsions. 3. Effect of Polymer Size and Polymer Concentration

Papoutsi, Despina; Lianos, Panagiotis; Brown, Wyn

doi:10.1021/la00022a008

Cited by 45 publications

(36 citation statements)

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“…Nowadays, an increasing interest is directed toward polymer-modified microemulsions [22][23][24][25]. It is indeed well established that the added polymer can influence the droplet size [26][27][28], the droplet-droplet interactions [29][30][31], as well as the stability [32] and the flexibility of the interface [32,33] by the formation of polymer-surfactant complexes. Thus the polymers, interacting with the surfactant layer, deeply affect the structure and phase behavior of these systems.…”

Section: Introductionmentioning

confidence: 99%

Structural changes in poly(ethyleneimine) modified microemulsion

Koetz

Kosmella

2006

Journal of Colloid and Interface Science

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Section: Introductionmentioning

confidence: 99%

Structural changes in poly(ethyleneimine) modified microemulsion

Koetz

Kosmella

2006

Journal of Colloid and Interface Science

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“…Water-soluble macromolecules can interact with micelles or microemulsions, affecting their structure (6,7). So the addition of macromolecules to w=o microemulsion must change the state of water.…”

Section: Introductionmentioning

confidence: 99%

Effect of Polyvinylpyrrolidone on the States of Water in Water-in-Oil Microemulsions with Betaine Surfactant

Xu¹,

Zhang²,

Yuan³

et al. 2001

Journal of Dispersion Science and Technology

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A water-in-oil (w=o) microemulsion was prepared with the zwitterionic surfactant dodecyl betaine (C 12 BE), n-pentanol (C 5 OH), n-heptane (C 7 H 16 ) and water. Effects of polyvinylpyrrolidone (PVP) with different molecular weight on the state of water in w=o microemulsions at a given water=C 12 BE molar ratio were investigated by FT-IR and differential scanning calorimetry (DSC). The experimental results showed that addition of PVP resulted in an increase of the content of the bound water in water pool of a w=o microemulsion, but a decrease of the amount of the bulky water. The higher the molecular weight of PVP, the more bound water; and the less bulk water. The change of the trapped water was not obvious due to the interference of C 5 OH.

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“…It is well established that the added polymer can influence the droplet size [17][18][19], the droplet-droplet interactions [20][21][22], as well as the stability [23] and the flexibility of the interface [23,24] by the formation of polymer-surfactant complexes.…”

Section: Introductionmentioning

confidence: 99%