Transport Properties of Polymers

UW Gedde, MS Hedenqvist, M Hakkarainen… - Applied Polymer …, 2021 - Springer
… The solute is trapped between polymer chain segments and … if the concentration gradient
is linear (solid line in the figure) … in this chapter, whereas stress effects will be discussed later. …

Conflicting effects of extreme nanoconfinement on the translational and segmental motion of entangled polymers

RB Venkatesh, D Lee - Macromolecules, 2022 - ACS Publications
… Additionally, the chains adsorbed on the solid walls may … a crossover pressure gradient,
which depends on the chain size and … has been reported near impenetrable surfaces and highly …

Metastable polymer adsorption dictates the dynamical gradients at interfaces

H Tian, C Bi, Z Li, C Wang, B Zuo - Macromolecules, 2023 - ACS Publications
… the length scale of interfacial mobility gradient dynamics (ξ dyn ). … gradient near solid
interfaces. We note that a similar effect of metastable chain adsorption on interfacial gradient

Polymer chain diffusion in all-polymer nanocomposites: confinement vs chain acceleration

S Rostom, BT White, G Yuan, T Saito… - The Journal of …, 2020 - ACS Publications
… of the polymer chain near the … polymer chains in the presence of hard impenetrable
nanoparticles. Rather the balance of the beneficial constraint release and adverse confining effects

Dynamics of polymer segments, polymer chains, and nanoparticles in polymer nanocomposite melts: A review

EJ Bailey, KI Winey - Progress in Polymer Science, 2020 - Elsevier
… For example, enhanced permeability of CO 2 was observed … Similar effects can be studied
at solid and flat interfaces, but … the NP, a phase of reduced mobility attributed to relaxations in …

Recent Advancements in Experimental Methods for Investigating Irreversible Chain Adsorption at Polymer-Solid Interfaces

Y Wu, Q Wang, H Sun, S Wang, Z Han, J Chen, Z Wu… - Polymer, 2024 - Elsevier
… at polymer-solid interfaces and its consequential impact on … single polymer chain encounters
an impenetrable solid surface… The mobility of chains within the bound layer is generally …

Spatially heterogeneous dynamics in supported ultrathin poly (ethylene terephthalate) films depend on the thicknesses of the film and the adsorbed layer

J Xu, X Wang, L Chen, W Ao, B Zuo, C Zhang… - …, 2022 - ACS Publications
… will be affected by the solid substrate as an impenetrable wall to resist force … effect with
different suppressed intensities were observed in which the mobility gradient of PET chains near a …

Melt adsorption of poly(tert-butyl methacrylate) and poly(ethyl methacrylate) on silica studied with chip nanocalorimetry

M Ishihara, T Watanabe, T Hirata, T Sasaki - Polymer Journal, 2024 - nature.com
… The increasing slope in regime II was more prominent for … As adsorption proceeded, the
mobility of the polymer chains near … The solid lines show the result of fitting with Eq. (2). t c and t f …

… in polyethylene terephthalate and polyethylene furanoate using molecular modeling: computational insights into the mechanism for gas transport in bulk polymer …

JC Lightfoot, A Buchard, B Castro-Dominguez… - …, 2021 - ACS Publications
… , due to subdued polymer chain dynamics and higher system … simulation, following a
temperature gradient from 298 to 1200 to … The presence of impenetrable crystal fractions acts as a …

[HTML][HTML] Solid-state polymer adsorption for surface modification: The role of molecular weight

W Xu, K Mihhels, N Kotov, S Lepikko, RHA Ras… - Journal of Colloid and …, 2022 - Elsevier
… weight (M w ) and its effects on the formation and stability of … laser energy, water vapor,
carbon dioxide, absorption in optical … for polymer chain conformations on a solid substrate using …