Fourier-transform rheology of polymer Langmuir monolayers: Analysis of the non-linear and plastic behaviors

Hilles, Hani; Monroy, Francisco; Bonales, Laura J.; Ortega, Francisco; Rubio, Ramón G.

doi:10.1016/j.cis.2006.06.013

Cited by 87 publications

(91 citation statements)

References 29 publications

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“…[31][32][33] The stress response is measured as the change of surface pressure of the system, σ = (t) − 0 , and monitored as a function of time. This method has been previously described elsewhere.…”

Section: Oscillatory Dilational Rheologymentioning

confidence: 99%

Rheology of poly(methyl methacrylate) Langmuir monolayers: Percolation transition to a soft glasslike system

Maestro

Ortega

Rubio

et al. 2011

The Journal of Chemical Physics

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An experimental study of the equilibrium properties and of the surface rheology of Langmuir monolayers of poly(methyl methacrylate) (PMMA) at the air/water interface has been carried out as a function of polymer concentration (Γ) and molecular weight (M(w)). Dilational and shear complex elasticity moduli covering a frequency range from 10(-3) to 0.2 Hz have been discussed. It was found that the air∕water interface behaves as a poor solvent for PMMA monolayers, thus suggesting that the polymer coils take collapsed soft-disks (pancakes) shape at the interface. The equilibrium and dynamic results suggest a fluid-to-soft-glass transition as the polymer concentration increases above a critical packing fraction at constant temperature. This two-dimensional transition is in agreement with results previously discussed for the dilational rheology of poly(4-hydroxystyrene) [F. Monroy, F. Ortega, R. G. Rubio, H. Ritacco, and D. Langevin, J. Chem. Phys. 95, 056103 (2005)]. Furthermore, the Γ-dependence of the relaxation dynamics of the monolayers suggests that the gel state may be considered as a fragile soft glass.

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Section: Oscillatory Dilational Rheologymentioning

confidence: 99%

Rheology of poly(methyl methacrylate) Langmuir monolayers: Percolation transition to a soft glasslike system

Maestro

Ortega

Rubio

et al. 2011

The Journal of Chemical Physics

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show abstract

“…The interfacial rheology is an important factor to consider while studying the dynamics of monolayers of polymer materials spread at the air-water interface [1,[2][3][4][5][6]. The interfacial rheology can be measured using two complementary approaches: a mechanical relaxation method and a surface wave technique.…”

Section: Introductionmentioning

confidence: 99%

Surface dilational moduli of latex-particle monolayers spread at air–water interface

Kobayashi

Kawaguchi

2013

Journal of Colloid and Interface Science

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“…Interfacial rheology is an important factor to be considered while studying the dynamics of polymer films spread at the airwater interface [2][3][4][5][6][7][8]. Interfacial rheology can be measured using two complementary approaches: a mechanical relaxation method and a surface wave technique.…”

Section: Introductionmentioning

confidence: 99%

Surface dilational moduli of poly (ethylene oxide), poly (methyl methacrylate), and their blend films

Kato¹,

Kawaguchi²

2012

Journal of Colloid and Interface Science

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Fourier-transform rheology of polymer Langmuir monolayers: Analysis of the non-linear and plastic behaviors

Cited by 87 publications

References 29 publications

Rheology of poly(methyl methacrylate) Langmuir monolayers: Percolation transition to a soft glasslike system

Rheology of poly(methyl methacrylate) Langmuir monolayers: Percolation transition to a soft glasslike system

Surface dilational moduli of latex-particle monolayers spread at air–water interface

Surface dilational moduli of poly (ethylene oxide), poly (methyl methacrylate), and their blend films

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