Current State-of-the-Art and Perspectives in the Design and Application of Vitrimeric Systems
Molecules,
Journal Year:
2025,
Volume and Issue:
30(3), P. 569 - 569
Published: Jan. 27, 2025
To
fulfill
the
current
circular
economy
concept,
academic
and
industrial
communities
are
devoting
significant
efforts
to
plastic
materials’
end-of-life.
Unlike
thermoplastics,
which
easy
recover
re-valorize,
recycling
thermosets
is
still
difficult
challenging.
Conversely,
because
of
their
network
structure,
thermosetting
polymer
systems
exhibit
peculiar
features
that
make
these
materials
preferable
for
several
applications
where
high
mechanical
properties,
chemical
inertness,
thermal
stability,
among
others,
demanded.
In
this
view,
vitrimers
have
quite
recently
attracted
attention
scientific
community,
as
they
can
form
dynamic
covalent
adaptive
networks
provide
properties
typical
while
keeping
possibility
being
processed
(and,
therefore,
mechanically
recycled)
beyond
a
certain
temperature.
This
review
aims
an
overview
vitrimers,
elucidating
most
recent
advances
posing
some
perspectives
forthcoming
years.
Language: Английский
Facile Strategy to Construct Eugenol‐Derived Bifunctionality Epoxy Monomer for Preparation of Thermosetting Resin System With Desired Performances
Shujun Zhao,
No information about this author
Yuanjian Li,
No information about this author
Xuebin Lian
No information about this author
et al.
Journal of Applied Polymer Science,
Journal Year:
2025,
Volume and Issue:
142(13)
Published: Jan. 6, 2025
ABSTRACT
Designing
and
preparing
bio‐based
epoxy
monomers
to
substitute
hazardous
nonrenewable
bisphenol
A
(BPA)‐type
epoxide
are
important
for
the
development
of
new
resins
under
concept
healthy
sustainable
concept.
In
this
work,
a
“green”
bifunctionality
monomer
derived
from
eugenol
(EGE‐EP)
was
fabricated
by
epoxidation
functionalization
unsaturated
double
bond
as
well
using
epichlorohydrin
epoxidize
phenolic
hydroxyl
group.
The
effects
different
hardeners
on
properties
EGE‐EP
were
analyzed,
E51
cured
with
same
employed
reference.
results
indicate
that
EGE‐EP/hardeners
present
desired
curing
behavior,
mechanical
performances,
thermal
stability
which
comparable
commercial
E51/hardeners
resin.
Most
importantly,
all
EP/hardeners
samples
exhibit
lower
onset
temperature
compared
systems
reflecting
faster
mixtures.
Meanwhile,
an
obvious
improvement
char
yield
is
found
in
contrast
thus
possessing
potential
flame
retardancy
applications.
This
study
proposes
innovative
path
prepare
alternative
BPA‐type
epoxide,
significance
eco‐friendly
high‐value
utilization
biomass.
Language: Английский
Self-Healing and Stimuli-Responsive Shape Memory in PCL/Epoxy/Tannic Acid Systems: Synergism of Bioepoxy and Biocuring Agents
Polymer,
Journal Year:
2025,
Volume and Issue:
unknown, P. 128131 - 128131
Published: Feb. 1, 2025
Language: Английский
Catalyst-Free Covalent Adaptable Polyester Networks Based on Dissociative Transesterification Chemistry
Siyu Wang,
No information about this author
Yuanyuan Liu,
No information about this author
Haiyue Zhao
No information about this author
et al.
Macromolecules,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 8, 2025
Language: Английский
A simple and versatile photothermal dual-curing system design based on phytophenol derivatives and thiol chemistry for potential electronic encapsulant application
Linqing Li,
No information about this author
Xueyi Pan,
No information about this author
Mengjia Chen
No information about this author
et al.
Chemical Engineering Journal,
Journal Year:
2024,
Volume and Issue:
unknown, P. 158245 - 158245
Published: Dec. 1, 2024
Language: Английский
Heat-Resistant Shape Memory Fully Biobased Epoxy Resins with High Storage Modulus and Recycle Performance
ACS Applied Polymer Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 3, 2024
Combining
high
heat
resistance
and
green
sustainability
is
a
great
challenge
in
developing
shape
memory
epoxy
resins.
Herein,
starting
from
synthesizing
fully
biobased
trifunctional
compound
(ER),
kind
of
resin
system
(EFTx,
where
x
the
molar
ratio
carboxyl
to
groups)
developed.
The
effects
on
structure
properties
EFTx
resins
were
systematically
investigated.
Results
show
that
cured
have
excellent
resistance,
mechanical
properties,
performance,
recycle
ability.
As
increases,
glass
transition
temperature
(Tg)
initial
thermal
decomposition
(Tdi)
decrease
while
both
self-healing
efficiency
remolding
increase.
Tg
storage
modulus
each
are
much
higher
than
those
reported
Among
resins,
EFT1.0
shows
best-integrated
performance;
specifically,
its
Tg,
Tdi,
tensile
strength,
as
156
°C,
293
40.99
MPa,
90.5%,
respectively,
meanwhile
it
also
has
outstanding
property
reflected
by
fixation
(Rf
=
100%)
recovery
(Rr
97.8%)
under
bend-recovery
experiments
well
Rf
(93.2%)
Rr
(66.1%)
after
four
cycles.
integrated
performance
attributed
their
unique
structures
combine
rigid
stilbene
structure,
furan
ring,
abundant
ester
bonds.
Language: Английский
Three birds with one stone: Halogen- and phosphorus-free flame-retardant thermosetting resins with high heat resistance and excellent mechanical properties based on simple biobased feedstocks
Xin-Long Sha,
No information about this author
Xiuzhi Yang,
No information about this author
Suping Fang
No information about this author
et al.
Chemical Engineering Journal,
Journal Year:
2024,
Volume and Issue:
unknown, P. 158851 - 158851
Published: Dec. 1, 2024
Language: Английский