The damping function in rheology

VH Rolón-Garrido, MH Wagner - Rheologica Acta, 2009 - Springer
The damping function has been a concept introduced in rheology since more than 30 years
ago, and although a similar concept was already earlier implemented in studying rubber …

Perspective: Ionomer research and applications

L Zhang, NR Brostowitz, KA Cavicchi… - Macromolecular …, 2014 - Wiley Online Library
Ionomers are polymers with bonded ionic species that are used under conditions where the
salt groups are in a condensed state. This Feature Article discusses the state of our …

High-performance polyethylene-ionomer-based thermoplastic elastomers exhibiting Counteranion-mediated mechanical properties

J Zhang, X Mao, Z Ma, L Pan, B Wang, Y Li - Macromolecules, 2023 - ACS Publications
Because of their superior mechanical properties, excellent processability, reusability, and
recyclability, thermoplastic elastomers (TPEs) have attracted considerable research …

Large amplitude oscillatory shear study of a colloidal gel near the critical state

K Suman, S Shanbhag, YM Joshi - The Journal of Chemical Physics, 2023 - pubs.aip.org
ABSTRACT A system undergoing sol–gel transition passes through a unique point, known
as the critical gel state, where it forms the weakest space spanning percolated network. We …

Nonlinear rheology of random sulfonated polystyrene ionomers: The role of the sol–gel transition

C Huang, Q Chen, RA Weiss - Macromolecules, 2016 - ACS Publications
The linear and nonlinear rheological behaviors of nonentangled sulfonated polystyrene
(SPS) ionomers near the sol–gel transition were studied. When the degree of sulfonation, p …

Toward a Design for Flowable and Extensible Ionomers: An Example of Diamine-Neutralized Entangled Poly(styrene-co-4-vinylbenzoic acid) Ionomer Melts

W Wang, J Madsen, N Genina, O Hassager… - …, 2021 - ACS Publications
Processing ionomers is complicated by their ability to exhibit brittle fracture even in the melt
state. This work introduces a new strategy for providing ionomers with good flowability …

Nonlinear rheology of poly (ethylene-co-methacrylic acid) ionomers

T Tomkovic, SG Hatzikiriakos - Journal of Rheology, 2018 - pubs.aip.org
Using a parallel-plate rheometer equipped with a partitioned plate, and the Sentmanat
extensional rheometer fixture, a full rheological characterization of several commercial …

Hyperbranched polyethylene ionomers containing cationic tetralkylammonium ions synthesized by Pd–diimine-catalyzed direct ethylene copolymerization with ionic …

P Xiang, Z Ye - Macromolecules, 2015 - ACS Publications
Synthesis of polyolefin-based ionomers through direct catalytic copolymerization of olefin
with ionic comonomers has been challenging with no prior reports. We demonstrate in this …

Contraction flow of ionomers and their corresponding copolymers: Ionic and hydrogen bonding effects

T Tomkovic, E Mitsoulis, SG Hatzikiriakos - Physics of Fluids, 2019 - pubs.aip.org
The contraction flow of several commercial ionomer melts and their corresponding
copolymers was studied numerically using a viscoelastic integral constitutive model …

Star Telechelic Poly(l-lactide) Ionomers

A Kulkarni, A Lele, S Sivaram, PR Rajamohanan… - …, 2015 - ACS Publications
Poly (l-lactide)(PLA), a biodegradable and biorenewable polymer, has many excellent
properties that are equivalent to those of petroleum-derived plastics such as polystyrene …