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 …

Poiseuille and extensional flow small-angle scattering for developing structure–rheology relationships in soft matter systems

A Bharati, SD Hudson, KM Weigandt - Current Opinion in Colloid & …, 2019 - Elsevier
As the rheoscattering community has grown, so has the breadth of experiments both in terms
of materials systems, and also in terms of flow types and analysis approaches. In this review …

[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 …

Elongational Rheology of Entangled Ionomers Based on Poly (hexyl methacrylate)

S Wu, H Yang, Z Zhang, Q Chen - Macromolecules, 2023 - ACS Publications
Linear viscoelasticity (LVE) and nonlinear elongational behavior are examined for a series
of entangled ionomers based on poly (hexyl methacrylate) as the backbone and sodium …

A novel technique for fiber formation: Mechanotropic spinning—Principle and realization

VG Kulichikhin, IY Skvortsov, AV Subbotin, SV Kotomin… - Polymers, 2018 - mdpi.com
We present basic experimental data and the theoretical background of a novel technique for
fiber spinning from polymer solutions. The principal feature of the advanced process is …

How to choose a secondary interaction to improve stretchability of associative polymers?

H Yang, S Wu, Q Chen - Macromolecules, 2021 - ACS Publications
This study focuses on the stretchability of brittle ionomers after introducing three types of
hydrogen bonds, ie, dual, triple, and quadruple hydrogen bonds. The introduction of dual or …

Nonlinear shear rheometry: Brief history, recent progress, and challengesa) This manuscript was handled by Editorial Board Member RH Colby.

S Costanzo, D Parisi, T Schweizer… - Journal of Rheology, 2024 - pubs.aip.org
High-shear rate rotational rheometry provides access to the fast nonlinear dynamics of soft
materials and, particularly, their shear stress (exhibiting shear thinning and/or thickening) as …

Nonlinear Extensional Rheology of Poly(n-alkyl methacrylate) Melts with a Fixed Number of Kuhn Segments and Entanglements per Chain

S Wu, H Yang, Q Chen - ACS Macro Letters, 2022 - ACS Publications
Molecular theories for dynamics of entangled polymers are based on both the number of
Kuhn segments per entanglement N e and the number of entanglements per chain N/N e …

Flow-induced crystallization of poly (ether ether ketone): Universal aspects of specific work revealed by corroborative rheology and x-ray scattering studies

J Seo, D Parisi, AM Gohn, A Han, L Song, Y Liu… - …, 2020 - ACS Publications
When a semicrystalline polymer melt is processed in intense flow, the nucleation rate can be
accelerated and the resultant morphology is transformed to anisotropic structures. These …

Modulus enhancement of polypropylene by sorbitol nucleating agent in flow field

S Iwasaki, M Inoue, Y Takei, R Nishikawa… - Polymer …, 2021 - Wiley Online Library
The rigidity of an injection‐molded isotactic polypropylene (PP) containing 1, 3: 2, 4‐bis‐o‐
(4‐methylbenzylidene)‐D‐sorbitol (MDBS) as a crystal nucleating agent can be enhanced …