Recyclable fire-retardant bio-based thermosets: From molecular engineering to performances and applications
Progress in Polymer Science,
Год журнала:
2025,
Номер
unknown, С. 101935 - 101935
Опубликована: Март 1, 2025
Язык: Английский
Synergistic Optimization of Cohesive Energy and Adhesive Force by Regulating End‐Capping Catechol and Chain Extender 4‐Aminophenyl Disulfide Toward Enhancing Bonding Strength of Hot‐Melt Polyurethane
Journal of Applied Polymer Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 18, 2025
ABSTRACT
Vehicles
and
electronics
rely
on
detachable
reusable
hot‐melt
adhesives,
but
they
are
hard
to
reach
structural
bonding
strength
date.
In
this
work,
a
strategy
reconciling
cohesive
energy
adhesion
force
was
developed
overcome
the
trade‐off
relation
between
bulk
strength.
Specifically,
prepolymer
of
polytetrahydrofuran
ether
glycol
(PTMEG)
capped
by
isophorone
diisocyanate
(IPDI)
deliberately
extended
different
content
4‐aminophenyl
disulfide
(AD)
3,4‐dihydroxybenzaldehyde
(DBD),
aiming
at
manipulating
chain
length
thereafter
aggregation
state.
It
found
that
adhesive
PU‐PAD1.4
has
reached
an
ideal
balance
cohesion
adhesion.
This
not
only
boasts
high
possesses
re‐adhesion
capabilities
also
demonstrates
exceptional
performance
variety
metal
substrates,
especially
aluminum,
where
its
reaches
up
12.13
MPa.
Moreover,
self‐healing
feature
is
particularly
remarkable,
as
it
can
recover
98.28%
original
mechanical
properties
after
being
heated
80°C
for
just
30
min,
which
mainly
due
rapid
reorganization
hydrogen
bonds.
With
outstanding
toughness
strength,
PU‐PADx
offers
innovative
solutions
environmentally
friendly
high‐precision
processing
industries.
Язык: Английский
Insights into the Effect of Segment Rearrangement Induced by Dynamic Disulfide Bond on UV Aging Resistance of UV-induced Self-compensated Epoxy Crosslinked Network
Polymer Degradation and Stability,
Год журнала:
2025,
Номер
unknown, С. 111352 - 111352
Опубликована: Март 1, 2025
Язык: Английский
Biomass-Driven Composites with Integrated Hydrophobicity, mechanical Resilience, and enhanced conductivity for underwater sensing and adhesion
Chemical Engineering Journal,
Год журнала:
2025,
Номер
unknown, С. 162054 - 162054
Опубликована: Март 1, 2025
Язык: Английский
Recent advancements in the design and application of Thioctic acid-based self-assembled materials
Coordination Chemistry Reviews,
Год журнала:
2025,
Номер
537, С. 216679 - 216679
Опубликована: Апрель 11, 2025
Язык: Английский
A New Self‐Healing Green Polymer Gel with Dynamic Networks for Flow Control in Harsh Reservoirs
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 20, 2024
Abstract
Hydrogels
are
widely
used
in
flow
control
of
underground
reservoirs,
a
self‐healing
situ
cross‐linked
polymer
gel
system
with
dynamic
covalent
adaptive
network
and
disulfide
bond
is
designed
constructed
cystine
hydrochloride
containing
as
green
cross‐linking
agent.
The
polyacrylamide/cystine
can
form
at
temperatures
above
110
°C,
the
bonds
make
hydrogels
have
excellent
toughness
properties
maximum
value
57.5
MJ
m
−3
,
efficiency
reach
88%.
At
same
time,
storage
modulus
more
than
2000
Pa
addition
nano
SiO
2
.
formulated
using
formation
water
stable
170
°C
for
270
days.
modulated
flooding
experiment
results
show
that
new
effectively
reduce
content
increase
recovery
rate
by
32.2%.
damage
test
shows
average
plugging
95%,
permeability
less
15%.
This
replace
existing
toxic
systems
prioritize
fluid
harsh
reservoir
conditions.
Язык: Английский