Journal of Applied Polymer Science,
Journal Year:
2024,
Volume and Issue:
141(43)
Published: Aug. 26, 2024
Abstract
It
is
difficult
to
recycle
classic
thermosetting
plastics.
Although
some
of
them
can
be
reprocessed,
the
mechanical
properties
decline
linearly
after
processing.
In
addition,
most
plastics
are
not
environmentally
friendly
and
degrade,
resulting
in
a
lot
pollution
limiting
their
practical
application
potential.
this
paper,
prepolymer
synthesized
by
using
castor
oil
(CO),
hydroxyl
terminated
polydimethylsiloxane
(PDMS‐OH),
toluene
diisocyanate
(TDI).
Using
4,4'‐diaminodiphenyl
disulfide
(ODD)
as
chain
extender
with
dynamic
bond
aniline
(An)
blocking
agent,
polysiloxane‐aminoester
(SiCPUO)
recyclable
function
under
DMF
induction
was
prepared.
The
effect
amount
rigid
containing
on
SiCPUO
studied,
its
heat
resistance
will
first
increase
then
decrease
ODD
content,
especially
more
obvious,
trend
has
never
been
reported
before;
recyclability
tested,
comprehensive
performance
SiCPUO2
best,
tensile
strength
0.84
MPa
elongation
at
break
65.81%;
solubility
test
different
solvents
showed
that
it
recyclability,
recovery
rate
95%;the
material
self‐healing
function,
repair
efficiency
up
95%.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(37)
Published: March 20, 2024
Recent
years
have
witnessed
a
growing
interest
in
bio-based
thermosetting
resins
terms
of
environmental
concerns
and
the
desire
for
sustainable
industrial
practices.
Beyond
sustainability,
utilizing
structural
diversity
renewable
feedstock
to
craft
thermosets
with
customized
functionalities
is
very
worthy
expectation.
There
exist
many
compounds
inherently
unique
chemical
structures
functions,
some
which
are
even
difficult
synthesize
artificially.
Over
past
decade,
great
efforts
devoted
discovering/designing
functional
properties
thermosets,
notable
progress
been
made
antibacterial,
antifouling,
flame
retardancy,
serving
as
carbon
precursors,
stimuli
responsiveness,
among
others,
largely
expanding
their
application
potential
future
prospects.
In
this
review,
recent
advances
field
presented,
particular
focus
on
molecular
design
strategies
discovering
properties.
Examples
highlighted
wherein
facilitated
by
inherent
feedstock.
Perspectives
issues
regarding
further
proposed
at
end.
Materials Research Express,
Journal Year:
2024,
Volume and Issue:
11(5), P. 052001 - 052001
Published: May 1, 2024
Abstract
Bio-based
polyurethanes
are
novel
material
with
potential
advantages
for
sustainable
development,
and
their
development
play
significant
roles
in
promoting
sustainability.
Curcumin,
a
natural
monomer,
possesses
high
biological
activity
features
symmetrical
chemical
structure
various
functional
groups
such
as
phenolic
hydroxyl,
carbonyl
benzene
ring.
The
presence
of
hydroxyl
the
curcumin
provides
essential
conditions
its
involvement
polyurethane
synthesis.
This
review
article
an
overview
applications
chain
extender,
crosslinking
agent
end-capper
polyurethanes,
well
effects
on
structure,
mechanical
properties,
stability
polyurethanes.
Furthermore,
curcumin-based
fields
medicine,
food
packaging,
coatings
discussed.
Finally,
considering
current
research
status
inherent
properties
curcumin,
future
prospects
contemplated.
Macromolecular Chemistry and Physics,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 10, 2025
Abstract
It
is
highly
desirable
yet
challenging
to
develop
sustainable
bio‐based
polyurethane
with
excellent
mechanical
properties,
self‐healing,
and
reprocessing
abilities.
In
this
study,
a
rigid
diol
(VO)
containing
oxime
group
synthesized
via
the
condensation
reaction
of
lignin‐derived
vanillin
hydroxylamine.
Subsequently,
VO
introduced
into
castor
oil‐based
WPU
(CWPU)
system
prepare
CWPU‐VOs
high
biobased
content.
The
presence
dynamic
oxime‐carbamate
bonds
endowed
self‐healing
(self‐healing
efficiency>95%,
at
80
°C
for
1
h,)
properties.
By
adjusting
ratio
oil,
properties
(tensile
strength
11.0–24.3
MPa,
elongation
break
642.2–312.0%)
can
be
effectively
tuned.
addition,
due
photolysis
behavior
oxime‐urethane
moieties,
show
outstanding
fluorescence
anti‐counterfeiting
potential.
This
work
provides
new
idea
development
high‐performance
waterborne
adjustable
ability,
fluorescent
