Polymer-Plastics Technology and Materials,
Journal Year:
2024,
Volume and Issue:
64(1), P. 63 - 87
Published: Aug. 11, 2024
This
study
represents
the
culmination
of
our
efforts
to
explore
crucial
role
polyester
composites
in
field
biocomposites,
highlighting
their
importance
advanced
materials
technologies.
Our
primary
objective
has
been
thoroughly
elucidate
significance
within
with
a
detailed
examination
impact
on
material
Through
this
research,
we
have
meticulously
investigated
properties
polyesters
derived
from
biodegradable
polymers,
analyzing
intricate
structure-property
relationships
and
potential
applications
bio-based
production.
To
drive
industrial
adoption
polyesters,
work
emphasizes
need
for
developing
economically
viable
production
methodologies,
exploring
ecologically
sustainable
effective
designs,
advocating
robust
policy
support
facilitate
commercialization
polyesters.
We
propose
that
future
research
should
focus
innovation
novel
monomers
as
raw
sources,
design
diverse
structures
utilizing
genome
technology,
comprehensive
understanding
degradation
processes
long-term
performance
The
advancement
domain
relies
interdisciplinary
collaboration
across
science,
engineering,
chemistry.
findings
underscore
through
such
cooperation,
broader
spectrum
products
can
be
developed,
thereby
expanding
applications.
In
context,
investigation
aims
contribute
more
integration
into
Macromolecules,
Journal Year:
2024,
Volume and Issue:
57(8), P. 3741 - 3750
Published: April 11, 2024
Polyesters
are
a
prominent
class
of
polymer
materials.
The
ring-opening
copolymerization
(ROCOP)
cyclic
anhydrides
and
ethers
has
attracted
attention
as
method
for
the
precise
synthesis
variety
polyesters.
However,
epoxides
have
been
primary
ether
employed
in
this
method,
polymerization
with
oxetane
challenging.
This
paper
accomplished
organobase-catalyzed
ROCOP
oxetanes
synthesizing
By
applying
t-BuP2
catalyst
phthalic
anhydride
(PA)
trimethylene
oxide
(TO),
perfectly
alternating
P(PA-alt-TO)
was
obtained
predictive
molecular
weights
ranging
from
3000
to
20,000
Da
low
dispersities
(Đ
<
1.16).
A
kinetic
experiment
on
PA
TO
confirmed
controlled/living
nature
proposed
system.
Furthermore,
its
remarkable
tolerance
various
functional
groups
facilitates
utilization
wide
range
monomers
initiators,
resulting
polyesters
distinct
glass
transition
temperatures
(Tg,
−45.4
60.8
°C).
Moreover,
process
can
be
seamlessly
integrated
other
processes,
such
carbonate,
valerolactone,
or
l-lactide
PA/epoxide;
enables
polyester-based
block
copolymers
one-pot/one-step
manner,
known
self-switchable
polymerization.
Consequently,
novel
expands
scope
existing
approaches
paves
way
diverse
tailored
material
properties.
Biomacromolecules,
Journal Year:
2024,
Volume and Issue:
25(7), P. 4030 - 4045
Published: June 10, 2024
Over
the
past
decade,
preparation
of
novel
materials
by
enzyme-embedding
into
biopolyesters
has
been
proposed
as
a
straightforward
method
to
produce
self-degrading
polymers.
This
paper
reports
and
enzymatic
degradation
extruded
self-degradable
films
three
different
biopolyesters:
poly(lactic
acid)
(PLA),
poly(butylene
adipate-co-terephthalate)
(PBAT),
succinate)
(PBS),
well
binary/ternary
blends.
Candida
antarctica
lipase
B
(CalB)
employed
for
procedure,
best
our
knowledge,
use
this
approach
in
biopolyester
blends
not
reported
before.
The
homopolymers
exhibited
differentiated
suggested
preferential
attack
CalB
on
PBS
over
PBAT
PLA.
Moreover,
obtained
from
showed
slow
degradation,
probably
due
higher
content
PLA
PBAT.
These
observations
pave
way
exploring
enzymes
capable
degrading
all
blend
components
or
an
mixture
degradation.
Waste Management & Research The Journal for a Sustainable Circular Economy,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 30, 2024
Biodegradable
plastics
have
certain
challenges
in
a
waste
management
perspective.
The
existing
literature
reviews
fail
to
provide
consolidated
overview
of
different
process
steps
biodegradable
plastic
and
discuss
the
support
provided
by
legislation
for
same.
present
review
provides
holistic
these
comprehensive
relative
summary
13
European
Union
(EU)
laws
related
circular
economy,
national
legislations
plus
source
separation
guidelines
countries,
ensure
optimal
use
resources
future.
Following
were
major
findings:
(i)
numerous
types
low
volumes
pose
challenge
developing
cost-effective
infrastructure;
(ii)
are
promoted
as
food-waste
collection
aids,
but
consumers
often
confused
about
their
proper
disposal
prone
greenwashing
from
manufacturers;
(iii)
industry-level
studies
demonstrating
mechanical
recycling
on
full
scale
unavailable;
(iv)
EU
dealt
with
general
topics
plastics;
however,
only
new
proposal
packaging
policy
framework
bioplastics
clearly
mentioned
(v)
clear
disparities
observed
between
methods
suggested
available
guidelines.
Thus,
appropriately
manage
waste,
it
is
necessary
develop
processing
material
utilization
infrastructure
well
create
consumer
awareness.
In
end,
recommendations
improved
perspective
systemic
identified
review.
ACS Sustainable Chemistry & Engineering,
Journal Year:
2023,
Volume and Issue:
11(43), P. 15699 - 15709
Published: Oct. 18, 2023
A
series
of
zinc
complexes
supported
by
tridentate
imino-phenolate
ligands
with
different
substituents
on
the
phenolate
ring
and
bearing
a
pyridyl
as
an
additional
coordinative
fragment
were
synthesized
aim
elucidating
structure-to-activity
relationships
in
ring-opening
polymerization
(ROP)
cyclic
esters.
For
all
complexes,
dynamic
behavior
associated
conformational
flexibility
metallacycles
involving
pyridinic
nitrogen
was
observed.
In
presence
2-propanol,
promoted,
high
efficiency
control,
ROP
rac-lactide
(rac-LA),
ε-caprolactone
(ε-CL),
pentadecalactone
(PDL).
significant
effect
observed
for
which
electron-donating
groups
increased
rate,
while
sterically
encumbered
had
detrimental
effects.
All
highly
efficient
catalysts
alcoholysis
aliphatic
polyesters
such
polylactide,
polycaprolactone,
polypentadecalactone
at
room
temperature
without
use
solvents
glycolysis
commercial
polyethylene
terephthalate
waste
samples
offering
new
contributions
circular
economy
plastics.
RSC Advances,
Journal Year:
2025,
Volume and Issue:
15(9), P. 6753 - 6763
Published: Jan. 1, 2025
This
study
explores
an
advanced
approach
to
enhancing
the
antimicrobial
efficacy
and
drug
release
of
poly(lactic
acid)
(PLA)
scaffolds
through
strategic
incorporation
cellulose
nanocrystals
(CNC).
Biomacromolecules,
Journal Year:
2023,
Volume and Issue:
24(12), P. 5722 - 5736
Published: Nov. 10, 2023
Disulfide
bonds
have
attracted
considerable
attention
due
to
their
reduction
responsiveness,
but
it
is
crucial
and
challenging
prepare
disulfide-bond-based
polyesters
by
melt
polycondensation.
Herein,
the
inherently
poor
thermal
stability
of
S–S
bond
in
melting
polycondensation
was
overcome.
Moreover,
poly(butylene
succinate-co-dithiodipropionate)
(PBSDi)
with
a
light
color
high
molecular
weights
(Mn
values
up
84.7
kg/mol)
obtained.
These
can
be
applied
via
processing
Td,5%
>
318
°C.
PBSDi10-PBSDi40
shows
good
crystallizability
(crystallinity
56–38%)
compact
lamellar
thickness
(2.9–3.2
nm).
Compared
commercial
adipate-co-terephthalate)
(PBAT),
elevated
mechanical
barrier
performances
PBSDi
make
them
better
packaging
materials.
For
degradation
behavior,
disulfide
monomer
obviously
accelerates
enzyme
has
weaker
effect
on
hydrolysis.
In
0.1
mol/L
or
higher
concentrations
H2O2
solutions,
oxidation
sulfoxide
sulfone
groups
realized.
This
process
results
stronger
nucleophilic
attack,
as
confirmed
Fukui
function
DFT
calculations.
Additionally,
greater
polarity
hydrophilicity
products,
proved
noncovalent
interaction
analysis,
accelerate
hydrolysis
polyesters.
glutathione-responsive
breakage,
from
polymers
oligomers,
an
accelerated
decline
weight.
Our
research
offers
fresh
perspectives
effective
synthesis
polyester
lays
solid
basis
for
creation
high-performance
biodegradable
that
degrade
demand.
