Comb and bottlebrush polymers with superior rheological and mechanical properties

M Abbasi, L Faust, M Wilhelm - Advanced Materials, 2019 - Wiley Online Library
Comb and bottlebrush polymers present a wide range of rheological and mechanical
properties that can be controlled through their molecular characteristics, such as the …

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 …

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 …

Linear and extensional rheology of model branched polystyrenes: From loosely grafted combs to bottlebrushes

M Abbasi, L Faust, K Riazi, M Wilhelm - Macromolecules, 2017 - ACS Publications
Monodisperse comb polystyrenes (comb-PS) with loosely to densely grafted architectures
up to loosely grafted bottlebrush structures were synthesized via anionic polymerization …

Synthesis and linear and nonlinear melt rheology of well-defined comb architectures of PS and PpMS with a low and controlled degree of long-chain branching

M Kempf, D Ahirwal, M Cziep, M Wilhelm - Macromolecules, 2013 - ACS Publications
Well-defined, monodisperse homopolymer comb architectures with varied number and
length of the branches under linear and nonlinear deformation were synthesized and …

Effect of side chain length in polystyrene POM–POMs on melt rheology and solid mechanical fatigue

MC Röpert, MG Schußmann, MK Esfahani… - …, 2022 - ACS Publications
The POM–POM architecture is the simplest yet defined branched architecture, showing both
strain hardening in elongation and strain softening in shear. The molecular structure …

Structure and properties of reactively extruded opaque post-consumer recycled PET

MV Candal, M Safari, M Fernández, I Otaegi, A Múgica… - Polymers, 2021 - mdpi.com
The recyclability of opaque PET, which contains TiO2 nanoparticles, has not been as well-
studied as that of transparent PET. The objective of this work is to recycle post-consumer …

Modeling elongational viscosity and brittle fracture of 10 polystyrene Pom-Poms by the hierarchical molecular stress function model

V Hirschberg, MG Schußmann, MC Röpert, M Wilhelm… - Rheologica Acta, 2023 - Springer
A Pom-Pom polymer with qa side chains of molecular weight M w, a at both ends of a
backbone chain of molecular weight M w, b is the simplest branched polymer topology. Ten …

[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 …

Review on tube model based constitutive equations for polydisperse linear and long-chain branched polymer melts

E Narimissa, MH Wagner - Journal of Rheology, 2019 - pubs.aip.org
Rheological equations of state are of great importance for characterization of polymer melts
and for simulation of polymer processing. This concise review considers tube model based …