ACS Sustainable Chemistry & Engineering,
Journal Year:
2023,
Volume and Issue:
11(25), P. 9455 - 9469
Published: June 13, 2023
In
the
last
two
decades,
use
of
phthalates
has
been
restricted
worldwide
due
to
their
well-known
toxicity.
Nonetheless,
are
still
widely
used
for
versatility,
high
plasticization
effect,
low
cost,
and
lack
valuable
alternatives.
This
study
presents
fully
bio-based
versatile
glycerol
trilevulinate
plasticizer
(GT)
that
was
obtained
by
valorization
levulinic
acid.
The
mild-conditions
solvent-free
esterification
synthesize
GT
optimized
investigating
product
Fourier
transform
infrared
NMR
spectroscopy.
An
increasing
content
GT,
from
10
40
parts
weight
per
hundred
resin
(phr),
tested
with
poly(vinyl
chloride),
poly(3-hydroxybutyrate),
poly(3-hydroxybutyrate-co-3-hydroxyvalerate),
poly(lactic
acid),
poly(caprolactone),
which
typically
present
complicated
processability
and/or
mechanical
properties.
produced
a
significant
effect
on
both
amorphous
semicrystalline
polymers,
reducing
glass-transition
temperature
stiffness,
as
observed
differential
scanning
calorimetry
measurements
tensile
tests.
Remarkably,
also
decreased
melting
crystallinity
degree
polymers.
Furthermore,
underwent
enzyme-mediated
hydrolysis
its
initial
constituents,
envisioning
promising
prospective
environmental
safety
upcycling.
50%
inhibitory
concentration
(IC50)
tests,
using
mouse
embryo
fibroblasts,
proved
is
an
unharmful
alternative
plasticizer,
makes
it
potentially
applicable
in
biomedical
field.
Polymer Testing,
Journal Year:
2023,
Volume and Issue:
123, P. 108048 - 108048
Published: May 4, 2023
The
development
of
a
bio-based
plasticizer
with
good
plasticizing
performance,
migration
resistance,
and
thermal
stability
for
polyvinyl
chloride
(PVC)
is
still
notable
challenge
due
to
the
trade-off
between
molecular
weight
compatibility.
Herein,
epoxidized
isosorbide-based
esters
featuring
multiple
epoxy
groups
were
prepared
via
esterification
isosorbide
various
aliphatic
acids
C-18
alkyl
chains
(oleic
acid,
linoleic
linolenic
acid)
followed
by
epoxidation.
resulting
utilized
as
PVC
resin
plasticizers,
overall
performance
these
plasticized
specimens
was
investigated
in
detail.
Moreover,
reaction
optimized
1-propylsulfonic-3-methylimidazolium
hydrogensulfate
ionic
liquid
selected
catalyst.
After
complete,
product
separate
phases,
enabling
facile
catalyst
recycling
simple,
convenient,
environmentally
friendly
process.
most
superior
effect
achieved
linolenate
(EGLA-ISB).
In
comparison
samples
dioctyl
terephthalate
(DOTP),
those
EGLA-ISB
demonstrated
15-fold
increase
during
isothermal
testing
(a
PVC/50EGLA-ISB
film
had
low
loss
approximately
1.5%
after
heating
at
200
°C
120
min).
Furthermore,
initial
decomposition
temperature
increased
almost
40
(up
306.9
°C)
compared
pure
PVC,
higher
elongation
break
(387%)
also
observed.
excellent
attributed
EGLA-ISB,
which
improved
its
compatibility,
enhanced
PVC.
Journal of Vinyl and Additive Technology,
Journal Year:
2023,
Volume and Issue:
30(1), P. 26 - 43
Published: Sept. 7, 2023
Abstract
Plasticizers
are
widely
used
in
poly(vinyl
chloride)
(PVC),
polylactic
acid
(PLA),
thermoplastic
starch
(TPS),
and
other
modified
powder
materials
to
enhance
the
flowability,
flexibility,
processability
of
macromolecules.
Because
reprotoxicity
phthalates
animals
humans,
certain
have
recently
been
banned
United
States
Europe.
Biobased
plasticizers
from
green
biomass–derived
renewable
resources
with
low
toxicity
expected
be
a
substitute
for
phthalates.
Among
variety
newly
developed
biobased
monomers,
cardanol,
isosorbide
two
most
promising
because
their
unique
structural
features.
This
review
summarizes
research
progress
cardanol‐
isosorbide‐based
synergistic
effects
plasticization,
thermal
stabilization,
anti‐migration.
By
summarizing
analyzing
relationship
between
molecular
structure
plasticizer
plasticizing
performance,
this
can
provide
theoretical
guidance
future
on
design
isosorbide‐
cardanol‐based
plasticizers.
Highlights
replace
The
effect
single
is
not
good.
required.
There
exists
trade‐off
weight
compatibility.
Epoxidized
ester
as
heat
stabilizer.
New Journal of Chemistry,
Journal Year:
2024,
Volume and Issue:
48(11), P. 4960 - 4975
Published: Jan. 1, 2024
Two
environmentally
friendly
plasticizers
with
different
structures
were
synthesized
based
on
ricinoleic
acid
from
non-food
crop
sources
good
plasticizing
effect,
migration,
and
volatility
resistance.
Polymer Reviews,
Journal Year:
2024,
Volume and Issue:
64(3), P. 872 - 897
Published: April 4, 2024
Nowadays,
the
rapid
development
of
information
networks
and
large-scale
popularization
electronic
equipment
have
provided
great
convenience
for
human
life.
However,
induced
electromagnetic
radiation
has
caused
threatens
to
health
service
life
equipment.
To
overcome
above
shortcomings,
recently,
functionalized
materials
with
interference
(EMI)
shielding
been
widely
investigated
reported.
As
a
renewable
natural
polymer
material,
cellulose
possesses
attractive
features
such
as
perfect
hydrophilicity,
chirality,
biodegradability,
broad
chemical
modifying
capacity,
mechanical
properties,
low
price.
The
inherent
properties
make
it
an
excellent
substrate
preparing
EMI
materials.
So
far,
numerous
cellulose-based
reported,
but
classification
description
design
structures
are
very
rare.
In
this
paper,
basic
principles
testing
methods
were
first
systematically
summarized,
then
structure
reviewed.
addition,
progress
current
application
structural
also
summarized.
Finally,
challenges
future
trend
opportunity
was
discussed.
This
review
reference
further
