Mechanism model of dynamic polyurethanes with two scales of nodes to regulate mechanical property
Yue Liu,
No information about this author
Jinpeng Li,
No information about this author
Lin Jia
No information about this author
et al.
Materials & Design,
Journal Year:
2025,
Volume and Issue:
250, P. 113611 - 113611
Published: Jan. 15, 2025
Language: Английский
Light-Induced Transformation from Covalent to Supramolecular Polymer Networks
Chuan Yue,
No information about this author
Jingxi Deng,
No information about this author
Bo Pang
No information about this author
et al.
ACS Macro Letters,
Journal Year:
2025,
Volume and Issue:
unknown, P. 169 - 175
Published: Jan. 26, 2025
Stimuli-responsive
polymers
have
demonstrated
significant
potential
in
the
development
of
smart
materials
due
to
their
capacity
undergo
targeted
property
changes
response
external
physical
or
chemical
stimuli.
However,
scales
most
existing
stimuli-responsive
polymer
systems
are
mainly
focused
on
three
levels:
functional
units,
chain
conformations,
topologies.
Herein,
we
developed
a
covalent
network
(CPN)
capable
converting
into
supramolecular
(SPN)
within
bulk
directly
at
scale
types.
This
transformation
is
enabled
by
specifically
designed
moieties
that
upon
UV
exposure
reveal
quadruple
hydrogen
bonding
sites,
allowing
formation
network.
network-type
transition
from
CPN
SPN
induces
pronounced
intrinsic
material
properties,
including
substantially
increased
breaking
elongation,
lower
Young's
modulus,
reduced
fracture
strength,
and
decreased
creep
resistance,
marking
shift
stable,
rigid
structure
dynamic,
adaptable
one.
These
findings
provide
new
insights
design
advanced
through
transformations,
opening
avenues
for
applications
multifunctional
materials.
Language: Английский
Mechanics of CO2-Induced Dynamic Covalent Polymer Networks: Constitutive Modeling and Crack Healing
Haoxiang Deng,
No information about this author
Haixu Du,
No information about this author
Yanchu Zhang
No information about this author
et al.
Journal of the Mechanics and Physics of Solids,
Journal Year:
2025,
Volume and Issue:
unknown, P. 106098 - 106098
Published: Feb. 1, 2025
Language: Английский
Effect of ACR/PMDA dynamic ion cross-linking network on dimensional stability and lightweight of PVC foam materials
Jingze Guo,
No information about this author
Shikai Song,
No information about this author
Jianqiao Liu
No information about this author
et al.
Polymer Degradation and Stability,
Journal Year:
2025,
Volume and Issue:
unknown, P. 111386 - 111386
Published: April 1, 2025
Language: Английский
Effects of crosslink density and plasticizer on thermorheological properties of dissociative guanidine-based covalent adaptable networks
Adelle L. Koenig,
No information about this author
Kelsey M. Allis,
No information about this author
John S. Lehr
No information about this author
et al.
Polymer Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
This
work
describes
the
effect
of
varying
crosslink
density
and
plasticizer
loading
on
covalent
adaptable
networks
that
have
equal
amounts
reactive
functionalities.
Language: Английский