Design, characterization and applications of nanocolloidal hydrogels

SM Morozova, A Gevorkian… - Chemical Society Reviews, 2023 - pubs.rsc.org
Nanocolloidal gels (NCGs) are an emerging class of soft matter, in which nanoparticles act
as building blocks of the colloidal network. Chemical or physical crosslinking enables NCG …

A new paradigm of materials processing—heterogeneity control

J Lee, S Sung, Y Kim, JD Park, KH Ahn - Current opinion in chemical …, 2017 - Elsevier
Highlights•Heterogeneity always appears in materials processing.•Microstructure constantly
changes during the whole process.•Same recipe never guarantees same product.• …

Heterogeneous percolation in poly (methylvinylsiloxane)/silica nanocomposites: The role of polymer–particle interaction

H Zhang, W You, F Bian, W Yu - Macromolecules, 2022 - ACS Publications
Agglomeration and linking of nanoparticles or aggregates lead to the formation of percolated
particle networks and alter the mechanical enhancement in polymer nanocomposites …

Nanoparticle-induced gelation of bimodal slurries with highly size-asymmetric particles: effect of surface chemistry and concentration

J Lee, SJ Lee, KH Ahn, SJ Lee - Langmuir, 2015 - ACS Publications
A systematic study has been performed to investigate the effect of surface potential of
nanoparticles on the rheological behavior of bimodal suspensions, using a model system …

Effects of silica nanoparticles on copper nanowire dispersions in aqueous PVA solutions

SH Lee, HY Song, K Hyun - Korea-Australia Rheology Journal, 2016 - Springer
In this study, the effects of adding silica nanoparticles to PVA/CuNW suspensions were
investigated rheologically, in particular, by small and large amplitude oscillatory shear …

Hetero-assembly of colloidal particles in concentrated non-aqueous suspensions by polymer dispersant design

S Morita, M Iijima, J Tatami - Advanced Powder Technology, 2020 - Elsevier
Although many colloidal assembling systems have been reported, most systems suffer from
severe aggregation under high solid concentrations, which can often be observed in typical …

Particle dynamics and relaxation in bimodal suspensions during drying using multispeckle diffusing wave spectroscopy

GJ Oh, JW Hwang, KW Bong, HW Jung… - AIChE Journal, 2017 - Wiley Online Library
The motion of polystyrene particles in a bimodal suspension drop during drying was
characterized via multispeckle diffusing wave spectroscopy. The fast and slow dynamics of …

Structure and dynamics of bimodal colloidal dispersions in a low-molecular-weight polymer solution

F Zhang, AJ Allen, LE Levine, DH Tsai, J Ilavsky - Langmuir, 2017 - ACS Publications
We present an experimental study of the structural and dynamical properties of bimodal,
micrometer-sized colloidal dispersions (size ratio≈ 2) in an aqueous solution of low …

Normal stress differences in the consolidation of strong colloidal gels

MM Islam, DR Lester - Rheologica Acta, 2021 - Springer
Macroscopic models for the uniaxial consolidation of strong colloidal gels typically
characterise the compressive strength of the particulate network in terms of the compressive …

Effect of affinity on the structure formation in highly size asymmetric bimodal suspensions

YS Jung, JY Lee, KH Ahn, SJ Lee - Colloids and Surfaces A …, 2018 - Elsevier
We investigate the influence of inter-particle affinity on the microstructure and rheological
behavior in the bimodal suspension systems. For this purpose, we design the suspensions …