Synthesis and Characterization of Poly(ethylene furanoate)/Poly(ε-caprolactone) Block Copolymers
Journal of the American Society for Mass Spectrometry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 9, 2025
Biobased
poly(ethylene
furanoate)
(PEF)/poly(ε-caprolactone)
(PCL)
block
copolymers
have
been
synthesized
using
ring
opening
polymerization
(ROP)
of
ε-caprolactone
(ε-CL)
in
the
presence
PEF
different
mass
ratios.
An
increase
intrinsic
viscosity
is
observed
for
with
higher
ε-CL
content
due
to
extension
their
macromolecular
chain.
Matrix-assisted
laser
desorption
ionization
time-of-flight
spectrometry
(MS)
was
employed
understand
composition
and
structure
produced
copolymers.
The
MS
analysis
helped
confirm
formation
PEF–PCL
all
cases.
Furthermore,
tandem
experiments
were
performed
analyze
fragmentation
mechanism
neat
PCL
(both
linear
cyclic)
end-groups.
Finally,
nuclear
magnetic
resonance
results
confirmed
microstructure
can
be
used
as
a
replacement
petroleum
derived
plastics,
especially
field
food
packaging.
Language: Английский
Electrospun Poly(butylene 2,5-furanoate) and Poly(pentamethylene 2,5-furanoate) Mats: Structure–Property Relationships and Thermo-Mechanical and Biological Characterization
Molecules,
Journal Year:
2025,
Volume and Issue:
30(4), P. 841 - 841
Published: Feb. 12, 2025
This
study
explores,
for
the
first
time,
application
of
electrospun
biobased
poly(butylene
2,5-furanoate)
(PBF)
and
poly(pentamethylene
(PPeF)
mats
in
biomedical
drug
delivery
fields,
through
a
careful
investigation
their
structure-property
relationship.
PBF
mats,
with
glass
transition
temperature
(Tg)
25-30
°C
an
as-spun
crystallinity
18.8%,
maintained
fibrous
structure
(fiber
diameter
~1.3
µm)
mechanical
properties
(stiffness
~100
MPa,
strength
~4.5
strain
at
break
~200%)
under
treatment
physiological
conditions
(37
°C,
pH
7.5).
In
contrast,
PPeF
being
amorphous
Tg
14
underwent
significant
densification,
geometrical
density
increasing
from
0.68
g/cm³
to
1.07
g/cm³,
which
depressed
specific
(i.e.,
normalized
by
density)
properties.
DSC
analysis
revealed
that
promoted
crystallization
(reaching
45.9%
crystallinity),
while
showed
limited,
but
interestingly
not
negligible,
structural
reorganization.
Both
materials
good
cell
adhesion
were
biocompatible,
lactate
dehydrogenase
release
exceeding
20%
after
48
h.
The
potential
was
evaluated
using
dexamethasone.
exhibited
controlled
profile,
~10%
4
h
~50%
20
demonstrates
versatility
these
biopolyesters
applications
highlights
impact
polymer
on
material
performance.
Language: Английский
Effects of E-Beam Irradiation on the Glass and Local Relaxation Processes of Polycarbonate Through Broadband Dielectric Relaxation Spectroscopy
Samy A. Madbouly,
No information about this author
A. A. NATU,
No information about this author
Matt Pharr
No information about this author
et al.
Published: Jan. 1, 2025
Language: Английский
Bio-Polyethylene Furanoate Production in Latin America as a Response to the Current Needs for Sustainable Food Packaging
Lorenzo Bello,
No information about this author
Vimanely Yaneth Vázquez Cuevas,
No information about this author
Moisés González-Contreras
No information about this author
et al.
Journal of Polymers and the Environment,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 19, 2025
Language: Английский
Furan-Based Polyesters from Diethylene Glycol with Facile Chemical Recyclability
Macromolecules,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 13, 2025
Language: Английский
Effects of e-beam irradiation on the glass and local relaxation processes of polycarbonate through broadband dielectric relaxation spectroscopy
Samy A. Madbouly,
No information about this author
A. A. NATU,
No information about this author
Matt Pharr
No information about this author
et al.
Polymer Degradation and Stability,
Journal Year:
2025,
Volume and Issue:
unknown, P. 111388 - 111388
Published: April 1, 2025
Language: Английский
Biobased propylene and acrylonitrile production in a sugarcane biorefinery: Identification of preferred production routes via techno-economic and environmental assessments
Biomass and Bioenergy,
Journal Year:
2024,
Volume and Issue:
190, P. 107399 - 107399
Published: Sept. 27, 2024
Language: Английский
Study on Impact of Monomers Towards High Molecular Weight Bio-Based Poly(ethylene Furanoate) via Solid State Polymerization Technique
Polymers,
Journal Year:
2024,
Volume and Issue:
16(23), P. 3305 - 3305
Published: Nov. 26, 2024
In
recent
years,
bio-based
poly(ethylene
furanoate)
has
gained
the
attention
of
packaging
industries
owing
to
its
remarkable
properties
as
a
promising
alternative
fossil-based
polymers.
It
is
necessary
synthesize
high-molecular-weight
polymers
using
effective
and
straightforward
techniques
for
their
commercialization.
this
present
work,
2,5-furan
dicarboxylate)
(PEF)
was
produced
with
high
molecular
weight
0.43
dL/g
dicarboxylic
acid
(FDCA)
or
derivative
Dimethyl-2,5-Furan
dicarboxylate
(DMFD),
followed
by
solid-state
polymerization
(SSP)
conducted
at
different
temperatures
reaction
times.
The
intrinsic
viscosity
([
Language: Английский
Sustainable, Antifouling Poly (ethylene Furanoate)/ Poly (lactic Acid) (PEF/PLA) Blend Electrospun Nanofibrous Membranes for Switchable Premix Emulsification/Demulsification
Journal of Membrane Science,
Journal Year:
2024,
Volume and Issue:
unknown, P. 123622 - 123622
Published: Dec. 1, 2024
Language: Английский