Molecules,
Journal Year:
2024,
Volume and Issue:
29(2), P. 387 - 387
Published: Jan. 12, 2024
In
2021,
global
plastics
production
was
390.7
Mt;
in
2022,
it
400.3
Mt,
showing
an
increase
of
2.4%,
and
this
rising
tendency
will
yearly.
Of
data,
less
than
2%
correspond
to
bio-based
plastics.
Currently,
polymers,
including
elastomers,
are
non-recyclable
come
from
non-renewable
sources.
Additionally,
most
elastomers
thermosets,
making
them
complex
recycle
reuse.
It
takes
hundreds
thousands
years
decompose
or
biodegrade,
contributing
plastic
waste
accumulation,
nano
microplastic
formation,
environmental
pollution.
Due
this,
the
synthesis
natural
renewable
resources
has
attracted
attention
researchers
industries.
review
paper,
new
methods
strategies
proposed
for
preparation
elastomers.
The
main
goals
advances
improvements
synthesis,
properties,
applications
industrial
rubbers,
polyurethanes,
polyesters,
polyethers,
approach
their
circular
economy
sustainability.
Olefin
metathesis
is
as
a
novel
sustainable
method
which
allows
depolymerization
degradation
rubbers
with
use
essential
oils,
terpenes,
fatty
acids,
alcohols
such
chain
transfer
agents
(CTA)
donors
terminal
groups
chain,
allow
control
molecular
weights
functional
groups,
obtaining
compounds,
oligomers,
added
value
application
polymers
materials.
This
contributes
development
that
can
reduce
carbon
emissions,
avoid
cross-contamination
fossil
fuels,
obtain
greener
material
biodegradable
and/or
compostable
behavior.
ACS Sustainable Chemistry & Engineering,
Journal Year:
2024,
Volume and Issue:
12(8), P. 2927 - 2961
Published: Feb. 13, 2024
Polyesters
based
on
2,5-furandicarboxylic
acid
(2,5-FDCA)
have
attracted
attention
from
both
academia
and
industry
as
a
new
class
of
biobased
polymers
for
the
growing
era
plastics.
2,5-FDCA-based
polyesters
are
100%
renewable,
they
an
alternative
to
petroleum-based
or
terephthalic
(TPA)-based
polyesters.
Moreover,
scientists
plastics
experts
recognized
bioplastics
eco-friendly
solution
developing
cost-effective
renewable
The
growth
market
depends
sustainable
economy,
population
growth,
rapid
changes
in
different
polymers.
Although
variety
auxiliaries
been
practically
used
recent
years,
production
2,5-FDCA
monomers
by
oxidation
5-hydroxymethylfurfural
(HMF)
is
relatively
innovative
field
research.
This
review
focuses
properties
applications
packaging
coating
industries
producing
postconsumer
products.
manufacturability,
excellent
(thermal,
mechanical,
barrier)
features,
various
fields
available
homo-
copolyesters
discussed.
Biobased
pure
recently
progressed
with
exceptional
their
counterparts
In
particular,
mechanical
performance
homopolyesters
such
poly(ethylene
2,5-furandicarboxylate)
(PEF)
poly(propylene
(PPF)
has
highest
tensile
strength
(σb)
values
84.07
±
4.43
90
6
MPa,
respectively,
compared
other
homopolyesters.
On
hand,
neat
like
2,5-thiophenedicarboxylate)
(PETF)
poly(ethylene-co-1,4-cyclohexanedimethylene
(PECF)
had
maximum
97–98
59–75
copolyesters.
addition,
we
also
observed
Young's
modulus
(E)
PEF
(5248
328
MPa)
PPF
(2460
280
PETF
(3100–3300
PECF
(1740–2300
Furthermore,
elongation
at
break
(εb)
poly(decylene
furandicarboxylate)
(PDF)
(986
82%)
poly(butylene
(PBF)
(368
43%)
poly(pentylene
(PPeF)
(1050
200%)
poly(1,4-butanediol
(PBTF)
(900
84%)
Finally,
results
barrier
improvement
factor
(BIFp)
study
showed
that
PPeF
O2
(227
BIFp)
CO2
(979
International Journal of Biological Macromolecules,
Journal Year:
2024,
Volume and Issue:
261, P. 129536 - 129536
Published: Jan. 24, 2024
With
the
rapid
development
of
biodiesel,
biodiesel-derived
glycerol
has
become
a
promising
renewable
bioresource.
The
key
to
utilizing
this
bioresource
lies
in
value-added
conversion
crude
glycerol.
While
purifying
into
pure
form
allows
for
diverse
applications,
intricate
nature
process
renders
it
costly
and
environmentally
stressful.
Consequently,
technology
facilitating
direct
utilization
unpurified
holds
significant
importance.
It
been
reported
that
can
be
bio-transformed
or
chemically
converted
high-value
polymers.
These
technologies
provide
cost-effective
alternatives
polymer
production
while
contributing
more
sustainable
biodiesel
industry.
This
review
article
describes
global
quality
characteristics
investigates
influencing
factors
treatment
composition
including
water,
methanol,
soap,
matter
organic
non-glycerol,
ash.
Additionally,
also
focused
on
advantages
challenges
various
converting
polymers,
considering
such
as
compatibility
control
unfavorable
factors.
Lastly,
application
prospect
value
were
discussed
from
aspects
economy
environmental
protection.
new
increased
use
feedstock
will
facilitated
by
findings
review,
promoting
mass
market
applications.
Journal of Materials Chemistry B,
Journal Year:
2023,
Volume and Issue:
11(40), P. 9597 - 9629
Published: Jan. 1, 2023
Polyesters
based
on
polyols
have
emerged
as
promising
biomaterials
for
various
biomedical
applications,
such
tissue
engineering
and
drug
delivery
systems,
due
to
their
biocompatibility,
biodegradability,
versatile
physicochemical
properties.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(5), P. 2938 - 2938
Published: March 2, 2024
Poly(propylene
carbonate)
(PPC)
is
an
emerging
“carbon
fixation”
polymer
that
holds
the
potential
to
become
a
“biomaterial
of
choice”
in
healthcare
owing
its
good
biocompatibility,
tunable
biodegradability
and
safe
degradation
products.
However,
commercialization
wide
application
PPC
as
biomedical
material
are
still
hindered
by
narrow
processing
temperature
range,
poor
mechanical
properties
hydrophobic
nature.
Over
recent
decades,
several
physical,
chemical
biological
modifications
have
been
achieved
introducing
biocompatible
polymers,
inorganic
ions
or
small
molecules,
which
can
endow
with
better
cytocompatibility
desirable
biodegradability,
thus
enable
various
applications.
Indeed,
variety
PPC-based
degradable
materials
used
medical
applications
including
masks,
surgical
gowns,
drug
carriers,
wound
dressings,
implants
scaffolds.
In
this
review,
molecular
structure,
catalysts
for
synthesis,
discussed.
Recent
biomaterials
highlighted
summarized.
Materials Today Sustainability,
Journal Year:
2024,
Volume and Issue:
26, P. 100757 - 100757
Published: March 24, 2024
Filaments
from
blends
of
post-industrial,
low-quality
recycled
poly(ethylene
terephthalate)
(RPET)
and
ethylene-butyl-acrylate-glycidyl-methacrylate
(EBA-GMA)
were
extruded
with
different
EBA-GMA
contents,
then
specimens
3D-printed
by
fused
filament
fabrication
technology.
It
has
been
demonstrated
that,
when
0–90°
layer
order
is
applied,
at
15
wt%
content
the
unnotched
impact
strength
increases
two
a
half
times
notched
nine
compared
to
samples
printed
elastomer-free
RPET.
DSC
DMA
measurements
proved
that
reactively
bonds
PET
molecules,
which
indicated
increment
rigid
amorphous
phase
glass
transition
temperature
reduction
crystallinity.
The
co-polymer
molecules
formed
in-situ
during
compounding
create
Toughening
Enhancer
Interphase
(TEI),
also
remains
after
3D
printing
effectively
enhances
strength.
strain
break
tensile
filaments
are
substantially
higher
than
due
increasing
shrinkage
resulting
increased
porosity
content.
However,
Young-modulus
values
quite
similar.
flexural
reaches
40–60%
injection
moulded
samples.
proposed
method
enables
production
parts
arbitrary
geometry
balanced
mechanical
properties
RPET,
may
substitute
acrylonitrile
butadiene
styrene.
