Molecular characterization of polymer networks

SPO Danielsen, HK Beech, S Wang… - Chemical …, 2021 - ACS Publications
Polymer networks are complex systems consisting of molecular components. Whereas the
properties of the individual components are typically well understood by most chemists …

Proton multiple-quantum NMR for the study of chain dynamics and structural constraints in polymeric soft materials

K Saalwächter - Progress in Nuclear Magnetic Resonance …, 2007 - Elsevier
This article reviews the principles and applications of one of the currently most powerful
NMR approaches for the characterization of chain motion in elastomers, entangled 0079 …

Transparent organogel films showing extremely efficient and durable anti-icing performance

C Urata, H Nagashima, BD Hatton… - ACS Applied Materials & …, 2021 - ACS Publications
Accumulation of ice and snow on solid surfaces causes destructive problems in our daily life.
Therefore, the development of functional coatings/surfaces that can effectively prevent …

Structure and dynamics of hydrogels and organogels: An NMR spectroscopy approach

YE Shapiro - Progress in Polymer Science, 2011 - Elsevier
Hydrogels and organogels are semi-solid systems, in which a liquid phase is immobilized by
a three-dimensional network composed of self-assembled, intertwined polymer/gelator …

Low-field NMR investigations of nanocomposites: polymer dynamics and network effects

A Papon, K Saalwächter, K Schäler, L Guy… - …, 2011 - ACS Publications
The dynamics of the polymer matrix in filled rubbers is modified by the presence of solid
particles. We used low-field proton NMR to investigate model filled samples consisting of a …

Cross-link density estimation of PDMS networks with precise consideration of networks defects

W Chasse, M Lang, JU Sommer… - Macromolecules, 2012 - ACS Publications
Two series of randomly cross-linked poly (dimethylsiloxane)(PDMS) networks with
systematically varying and well-defined dangling chain and defect content were investigated …

Uncertainties in the determination of cross-link density by equilibrium swelling experiments in natural rubber

JL Valentín, J Carretero-González… - …, 2008 - ACS Publications
Equilibrium swelling is a feasible and simple experiment to determine the cross-link density
of networks. It is the most popular and useful approach; however, in most of the cases, the …

Inhomogeneities and chain dynamics in diene rubbers vulcanized with different cure systems

JL Valentín, P Posadas, A Fernández-Torres… - …, 2010 - ACS Publications
In this study, we focus on qualitative differences in the network structure and dynamics of
natural as well as poly (butadiene) rubber in dependence of the cure system …

Entanglement effects in elastomers: macroscopic vs microscopic properties

S Schlögl, ML Trutschel, W Chassé, G Riess… - …, 2014 - ACS Publications
This Perspective highlights how entanglement effects on rubber elasticity can be unveiled by
a combination of different macroscopic and microscopic methods, taking advantage of new …

BaBa-xy16: Robust and broadband homonuclear DQ recoupling for applications in rigid and soft solids up to the highest MAS frequencies

K Saalwächter, F Lange, K Matyjaszewski… - Journal of Magnetic …, 2011 - Elsevier
We here present a substantially improved version of the popular Back-to-Back (BaBa)
homonuclear double-quantum (DQ) MAS recoupling pulse sequence. By combining the …