When polymer chains are highly aligned: a perspective on extensional rheology

Q Huang - Macromolecules, 2022 - ACS Publications
We provide a Perspective on recent findings in extensional rheology for polymer melts and
solutions with different macromolecular architectures. For linear polymer systems, we focus …

How double dynamics affects the large deformation and fracture behaviors of soft materials

K Cui, JP Gong - Journal of Rheology, 2022 - pubs.aip.org
Numerous mechanically strong and tough soft materials comprising of polymer networks
have been developed over the last two decades, motivated by new high-tech applications in …

Nonlinear rheometry of entangled polymeric rings and ring-linear blends

D Parisi, M Kaliva, S Costanzo, Q Huang, PJ Lutz… - Journal of …, 2021 - pubs.aip.org
We present a comprehensive experimental rheological dataset for purified entangled ring
polystyrenes and their blends with linear chains in nonlinear shear and elongation. In …

[HTML][HTML] Composite entanglement topology and extensional rheology of symmetric ring-linear polymer blends

TC O'Connor, T Ge, GS Grest - Journal of Rheology, 2022 - pubs.aip.org
Extensive molecular simulations are applied to characterize the equilibrium dynamics,
entanglement topology, and nonlinear extensional rheology of symmetric ring-linear …

[HTML][HTML] Complex polymer topologies in blends: shear and elongational rheology of linear/pom-pom polystyrene blends

V Hirschberg, S Lyu, MG Schußmann - Journal of Rheology, 2023 - pubs.aip.org
The shear and elongational rheology of linear and pom-pom shaped polystyrene (PS)
blends was investigated experimentally and modeled using constitutive models such as the …

Molecular dynamics simulations of ring shapes on a ring fraction in ring–linear polymer blends

K Hagita, T Murashima - Macromolecules, 2021 - ACS Publications
Threading of a linear chain through a ring has been known to have a strong effect on
slowing the dynamics of the ring. To enhance the toughness of soft materials using ring …

Optical-Tweezers-integrating-Differential-Dynamic-Microscopy maps the spatiotemporal propagation of nonlinear strains in polymer blends and composites

KR Peddireddy, R Clairmont, P Neill, R McGorty… - Nature …, 2022 - nature.com
How local stresses propagate through polymeric fluids, and, more generally, how
macromolecular dynamics give rise to viscoelasticity are open questions vital to wide …

Mixing linear polymers with rings and catenanes: Bulk and interfacial behavior

R Staňo, CN Likos, SA Egorov - Macromolecules, 2023 - ACS Publications
We derive and parameterize effective interaction potentials between a multitude of different
types of ring polymers and linear chains, varying the bending rigidity and solvent quality for …

[HTML][HTML] Hyperstretching in elongational flow of densely grafted comb and branch-on-branch model polystyrenes

V Hirschberg, L Faust, M Abbasi, Q Huang… - Journal of …, 2024 - pubs.aip.org
Strain hardening of long-chain branched polymers in elongational flow occurs due to the
stretch of the backbone chain between branch points. With an increasing number of side …

Toughening of a polymer network by the addition of a small amount of large-sized multicyclic chains

H Marubayashi, M Ebe, A Imasaki, K Fujiwara… - Polymer, 2024 - Elsevier
Topological interactions between cyclic and linear polymers have attracted significant
attention to exploring the properties of soft materials. However, the complete picture of the …