Sustainable polyurethanes from biomass-derived furanic polyols for adhesive applications
Iranian Polymer Journal,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 19, 2025
Язык: Английский
Exploiting Structural Benefit of Biobased Monomers for Sustainable Packaging Application with High Elasticity, UV-Blocking, and Biodegradability
ACS Sustainable Chemistry & Engineering,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 25, 2025
Язык: Английский
Preparation and Properties of Semi Aromatic Poly(Ester Amide)s Fibers Based on 6‐Aminohexanol
Jianghao Zhu,
Kan Cheng,
Tao Liu
и другие.
Journal of Applied Polymer Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 1, 2025
ABSTRACT
The
polyethylene
terephthalate
(PET)
fiber
is
extensively
utilized
in
various
textiles
due
to
its
excellent
mechanical
properties
and
high
modulus.
However,
the
moisture
absorption
performance
of
PET
notably
inadequate,
which
restricts
application
high‐quality
fabrics.
Co‐polycondensation
with
comonomers
containing
hydrophilic
groups
has
been
identified
as
a
viable
approach
enhance
water
capabilities.
In
this
study,
we
aim
improve
by
incorporating
comonomer
6‐aminohexanol
(AH)
into
main
chain.
diamide
diol
monomer
N
1
,
4
‐Bis(6‐hydroxyhexyl)‐1,4‐benzenedicarboxamide
(6T6
diol)
was
first
synthesized
from
AH
terephthalic
acid
(PTA).
Subsequently,
series
poly(ester
amide)s
(PE6T‐x),
where
x
represents
molar
ratio
amide
units
ester
units,
were
prepared
through
polycondensation
6T6,
ethylene
glycol
(EG),
PTA.
corresponding
fibers
ultimately
obtained
via
melt
spinning
PE6T‐x.
structures
PE6T‐x
polymers
systematically
investigated
using
techniques
such
NMR,
FT‐IR,
DSC,
TGA,
XRD,
so
on.
results
confirmed
that
hydrophilicity
increased
content
6T6;
specifically,
derived
PE6T‐100
exhibited
regain
up
1.4
wt%,
approximately
2.5
times
greater
than
(0.4
wt%).
This
work
underscores
potential
for
utilizing
amino
alcohol
an
innovative
strategy
enhancing
fabrics
provides
new
idea
PEAs
field
fibers.
Язык: Английский
Cross-Linking Biotechnology and Pharmaceutical Biochemistry Insights: Investigating Medicinal Potential in Azadirachta Indica, Swietenia Mahagoni and Melia Azedarach
Gulzar Fatima,
Aleza Moqaddas,
Madiha Lateef
и другие.
Journal of Health and Rehabilitation Research,
Год журнала:
2024,
Номер
4(2), С. 376 - 381
Опубликована: Апрель 29, 2024
Background:
The
increasing
resistance
to
synthetic
drugs
and
their
side
effects
has
prompted
renewed
interest
in
the
medicinal
potential
of
natural
products.
Azadirachta
indica,
Swietenia
mahagoni,
Melia
azedarach,
members
Meliaceae
family,
have
been
traditionally
used
for
diverse
therapeutic
properties.
Their
efficacy
stems
from
a
range
bioactive
compounds
known
antifungal,
antiviral,
antibacterial,
anti-inflammatory
activities.
Objective:
This
study
aims
explore
quantify
assess
potentials,
discuss
implications
drug
development
human
healthcare.
Methods:
Plant
materials
were
collected,
extracts
prepared
using
ethanol,
methanol,
or
water
as
solvents.
Following
maceration
filtration,
concentrated
analyzed
High-Performance
Liquid
Chromatography
(HPLC).
HPLC
conditions
optimized
each
plant,
focusing
on
key
such
azadirachtin,
nimbin,
swietenine,
meliacarpinin,
azedarachin.
Method
validation
was
performed
ensure
precision,
accuracy,
reproducibility.
Results:
identified
high
concentrations
plant:
indica
contained
azadirachtin
(450
mg/g),
nimbin
(120
salannin
(50
mg/g);
mahagoni
had
swietenine
(200
mg/g)
limonoids
(180
mg/g
total);
azedarach
demonstrated
levels
meliacarpinin
(300
azedarachin
(220
mg/g).
Conclusion:
confirmation
specific
these
plants
supports
traditional
uses
highlights
developing
new
agents
that
are
environmentally
sustainable
potentially
more
effective
than
current
options.
research
underscores
importance
integrating
knowledge
with
modern
scientific
approaches
discovery.
Язык: Английский
Hectorite/Phenanthroline-Based Nanomaterial as Fluorescent Sensor for Zn Ion Detection: A Theoretical and Experimental Study
Nanomaterials,
Год журнала:
2024,
Номер
14(10), С. 880 - 880
Опубликована: Май 19, 2024
The
development
of
fluorescent
materials
that
can
act
as
sensors
for
the
determination
metal
ions
in
biological
fluids
is
important
since
they
show,
among
others,
high
sensitivity
and
specificity.
However,
most
molecules
are
used
these
purposes
possess
a
very
low
solubility
aqueous
media,
and,
thus,
it
necessary
to
adopt
some
derivation
strategies.
Clay
minerals,
example,
hectorite,
natural
materials,
biocompatible
available
large
amounts
at
cost
have
been
extensively
carrier
systems
delivery
different
hydrophobic
species.
In
present
work,
we
report
synthesis
characterization
hectorite/phenanthroline
nanomaterial
potential
sensor
Zn
ion
detection
water.
interaction
phenanthroline
with
Ht
interlaminar
space
was
thoroughly
investigated,
via
both
theoretical
experimental
studies
(i.e.,
thermogravimetry,
FT-IR,
UV-vis
fluorescence
spectroscopies
XRD
measurements),
while
its
morphology
imaged
by
scanning
electron
microscopy.
Afterwards,
possibility
use
Zn2+
ions,
comparison
other
investigated
through
measurements,
stability
solid
Ht/Phe/Zn
complex
assessed
measurements.
Язык: Английский