Polymers,
Journal Year:
2024,
Volume and Issue:
16(24), P. 3614 - 3614
Published: Dec. 23, 2024
In
this
study,
we
present
novel,
vitrimeric
and
biobased
scaffolds
that
are
designed
for
hard
tissue
applications,
composed
of
acrylated,
epoxidized
soybean
oil
(AESO)
reinforced
with
bioactive
glass
is
Tellurium
doped
(BG-Te)
BG-Te
silanized,
to
tune
the
mechanical
antibacterial
properties.
The
manufacture’s
method
consisted
a
DLP
3D-printing
method,
enabling
precise
resolution
possibility
manufacture
hollow
complex
structure.
resin
formulation
was
optimized
biobased,
reactive
diluent
adjust
viscosity
an
optimal
process.
in
vitro
biological
evaluation
3D-printed
scaffolds,
combined
BG-Te-Sil,
showed
sample’s
surfaces
remained
safe
hBMSCs’
attachment
proliferation.
number
S.
aureus
adhered
87%
54%
lower
than
on
pristine
(control)
respectively,
eradication
microbiofilm
aggregates.
This
work
highlights
effect
polymer
matrix
doped,
manufacturing
biocompatible,
scaffold
used
application.
International Polymer Processing,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 20, 2025
Abstract
Concerns
about
the
effect
on
environment
and
non-renewable
nature
of
plastics
have
sparked
a
substantial
field
study
towards
creation
recyclable
polymers.
Vitrimers
are
potential
class
reusable
polymers
that
recently
attracted
lot
interest.
Like
conventional
thermosets
in
strength,
durability,
chemical
resistance,
these
materials
offer
added
benefit
being
at
end
their
useful
life.
Their
structure,
which
includes
dynamic
covalent
crosslinks
to
provide
stability
while
enabling
reprocessing,
is
credited
with
this
special
characteristic.
We
lay
out
an
overview
recent
developments
applications
epoxy
based
vitrimeric
by
using
different
types
adaptable
networks
(CANs)
–
single,
dual
triple
paper
attention
design
tactics
make
it
easier
create
circular
future.
Covalent
Adaptable
Networks
(CAN),
novel
polymer
family
can
bridge
gap
between
thermoplastics,
emerged
years
uses
chemistry
crosslinked
networks.
The
was
enhanced
2011
Leibler
colleagues
when
they
introduced
notion
vitrimers,
retain
integrity
network
even
after
heating
allow
connections
be
reallocated
within
them
associative
exchange
reactions.
This
review
also
demonstrates
how
vitrimer
community
paying
need
for
sustainable
material
development
demonstrating
use
biobased
building
blocks
synthesis
high-performing
vitrimers.
Having
outlined
primary
characteristics
commercialization
vitrimers
emphasized
portray
benefits
self-healing,
malleability,
orthogonal
processability,
various
shape
memories
along
solutions
synthetic
materials.
Polymers,
Journal Year:
2024,
Volume and Issue:
16(11), P. 1510 - 1510
Published: May 27, 2024
Additive
manufacturing
(AM)
has
revolutionised
the
industry,
offering
versatile
capabilities
for
creating
complex
geometries
directly
from
a
digital
design.
Among
various
3D
printing
methods
polymers,
vat
photopolymerisation
combines
photochemistry
and
printing.
Despite
fact
that
single-epoxy
been
explored,
fabrication
of
multi-material
bioderived
epoxy
thermosets
remains
unexplored.
This
study
introduces
feasibility
potential
by
means
dual-vat
Digital
Light
Processing
(DLP)
technology,
focusing
on
resins
such
as
ELO
(epoxidized
linseed
oil)
DGEVA
(vanillin
alcohol
diglycidyl
ether).
By
integrating
different
materials
with
mechanical
properties
into
one
sample,
this
approach
enhances
sustainability
offers
versatility
applications.
Through
experimental
characterisation,
including
thermal
analysis,
demonstrates
ability
to
produce
structures
composed
tailored
shapes
change
demand.
The
findings
underscore
promising
technology
DLP
applied
sustainable
monomers,
allowing
material
production
structure
fabrication.
Reactive and Functional Polymers,
Journal Year:
2024,
Volume and Issue:
200, P. 105936 - 105936
Published: May 5, 2024
The
growing
appeal
of
carbon
nanotube
composites
in
the
contemporary
market
derives
from
their
exceptional
thermal
and
chemical
stability,
coupled
with
electrical
conductivity.
In
this
study,
we
combined
these
salient
features
a
biobased
epoxy
matrix
having
vitrimeric
properties,
hence
being
reprocessable
resheapable,
to
obtain
conductive
coating.
Epoxidised
castor
oil
(ECO)
was
chosen
as
monomer
precursor
for
straightforward
synthesis.
synthesis
relied
on
cationic
UV-curing
process,
embedding
nanotubes
matrix.
Photo
DSC
transmission
FTIR
analysis
were
conducted
determine
final
conversion
rings
photocuring
process.
Thermo-mechanical
properties
evaluated
by
tensile
tests,
DMTA.
Thermal
stability
assessed
TGA.
Dielectric
spectroscopy
confirmed
increased
conductivity
presence
increasing
CNT
content,
reaching
percolation
threshold
at
0.5
phr
CNTs.
Vitrimeric
proved
stress
relaxation
experiments,
UV-cured
composite
underwent
thermo-activated
transesterification
reaction
starting
70
°C,
catalysed
dibutyl
phosphate.
Overall,
ECO-CNT
showed
high
resistance
(up
400
°C)
concentration,
properties.
study
can
be,
therefore,
considered
promising
point
sustainable
electrically
vitrimers.
ACS Sustainable Chemistry & Engineering,
Journal Year:
2023,
Volume and Issue:
11(46), P. 16365 - 16406
Published: Nov. 8, 2023
Light-induced
cross-linking
of
liquid
monomers
has
found
widespread
applications
in
various
fields,
such
as
dentistry,
coatings,
tissue
engineering,
and
3D
printing.
These
processes
typically
rely
on
derived
from
petrochemicals,
which
are
volatile
price
becoming
increasingly
depleted,
compelling
researchers
to
explore
alternative
sources
forestry
agricultural
crops.
The
renewability
these
resources
makes
them
a
promising
option
for
developing
substitutive
materials
with
similar
or
superior
properties.
structural
subunits
biomass
offer
building
blocks
petroleum-based
photopolymers
including
the
double
bond-containing
hydrophobic
fatty
acids
terpenes,
hydrophilic
carbohydrates
proteins,
aromatic
furfural
compounds
carbohydrates,
phenolic
moieties
lignin.
They
can
be
transformed
into
by
inherent
chemically
introduced
photocurable
bonds.
This
review
seeks
highlight
recent
advancements
transforming
renewable
platform
chemicals
systems
photopolymerization
examines
thermomechanical
properties
resulting
cured
materials.
Furthermore,
potential
issues
improvement
also
identified,
cost-effectiveness
biomass-based
risk
competition
food
production.
perspectives
future
directions
improving
this
area
given.
Macromolecular Materials and Engineering,
Journal Year:
2023,
Volume and Issue:
309(9)
Published: Dec. 24, 2023
Abstract
The
scientific
strategies
reported
in
the
literature
for
developing
biobased
epoxy
vitrimers
are
summarized.
Biomass
resources
such
as
lignin,
cellulose,
or
different
vegetable
oils
can
be
exploited
building
blocks
thermosets
an
alternative
to
bisphenol‐A‐based
ones.
Biorenewable
have
been
synthesized
introducing
dynamic
covalent
bonds
cross‐linked
networks.
This
combination
allows
achieve
networks
with
thermoset‐like
properties
at
a
temperature
of
use,
but
showing
(re)processability,
recyclability,
and
self‐healing
above
well‐defined
named
topology
freezing
transition
(
T
v
).