Interfacial shear and elongational rheology of immiscible multi-micro-nanolayered polymers: contribution for probing the effect of highly mismatched viscoelastic properties and modeling interfacial tension properties

Li, Jixiang; Touil, Ibtissam; Lu, Bo; Zhang, Huagui; Maazouz, Abderrahim; Lamnawar, Khalid

doi:10.1007/s00397-024-01445-z

Rheol Acta

2024

DOI: 10.1007/s00397-024-01445-z

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Interfacial shear and elongational rheology of immiscible multi-micro-nanolayered polymers: contribution for probing the effect of highly mismatched viscoelastic properties and modeling interfacial tension properties

Jixiang Li,

Ibtissam Touil,

Bo Lu

et al.

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2024

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Transient rheology and morphology in sheared nanolayer polymer films

Dmochowska,

Peixinho,

Sollogoub

et al. 2024

Rheol Acta

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The rheology of coextruded layered films of polystyrene/poly(methyl methacrylate) (PS/PMMA) has been studied with small and large amplitude oscillations at a temperature above their glass transition. While the complex viscosity remains constant over the experimental time window for the micron-sized layered films, a decrease has been observed for the nanolayered films. The rheological behavior has then been correlated to the morphological evolution of the multilayer films while the nanolayers dewet. Layer breakup followed by retraction and coalescence leading to a lamellar-like blend morphology followed by a nodular-like morphology has been evidenced in the nanolayer films, for all compositions and conditions tested. The analysis of the microscopic images of the Lfilm cross-sections also provided the droplet size distribution. The nodular morphology is achieved more rapidly when the initial layers are the thinnest at low strains, while at high strains the formation of these droplets is prevented. Graphical abstract

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Transient rheology and morphology in sheared nanolayer polymer films

Dmochowska,

Peixinho,

Sollogoub

et al. 2024

Rheol Acta

View full text Add to dashboard Cite

show abstract

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Interfacial shear and elongational rheology of immiscible multi-micro-nanolayered polymers: contribution for probing the effect of highly mismatched viscoelastic properties and modeling interfacial tension properties

Cited by 1 publication

References 40 publications

Transient rheology and morphology in sheared nanolayer polymer films

Transient rheology and morphology in sheared nanolayer polymer films

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