Molecules,
Journal Year:
2024,
Volume and Issue:
29(11), P. 2526 - 2526
Published: May 27, 2024
The
use
of
vegetable
oil-dervied
plasticizers
to
enhance
the
flexibility
polylactic
acid
(PLA)
has
received
much
attention
due
their
renewability,
inexpensiveness
and
biodegradation.
However,
double
bonds
in
oil-based
limit
compatibility
with
PLA,
resulting
PLA-derived
products
reduced
flexibility.
Herein,
we
examined
soybean
oil-derived
hydrogenated
dimer
acid-based
polyethylene
glycol
methyl
ether
esters
(HDA-2n,
2n
=
2,
4,
6
or
8,
referring
ethoxy
units)
developed
via
direct
esterification
saturated
monomethyl
ethers.
HDA-2n
was
first
used
as
a
plasticizer
for
effects
units
on
overall
performance
plasticized
PLA
were
systematically
investigated.
results
showed
that,
compared
blended
dioctyl
terephthalate
(DOTP),
by
HDA-8
maximum
number
(PLA/HDA-8)
exhibited
better
low-temperature
resistance
(40.1
°C
vs.
15.3
°C),
thermal
stability
(246.8
327.6
°C)
gas
barrier
properties.
Additionally,
biodegradation
that
could
be
biodegraded
directly
burying
it
soil.
All
suggest
green
alternative
traditional
petroleum-based
DOTP,
which
is
applied
industry.
Journal of Vinyl and Additive Technology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 4, 2025
Abstract
Polylactic
acid
(PLA)
is
a
promising
biodegradable
material
for
packaging,
but
its
limited
ductility
restricts
use.
Blending
PLA
with
flexible
polyesters
can
improve
often
reduces
transparency.
To
address
this,
two
plasticizers
derived
from
the
natural
phenolic
compound
cardanol
(CD)—cardanol
acetate
(CA)
and
epoxidized
(ECA)—were
synthesized
to
enhance
PLA's
without
compromising
films
were
plasticized
varying
concentrations
of
CA
ECA
using
melt
mixing‐extrusion.
The
results
showed
that
significantly
improved
flexibility
compatibility
due
interactions
between
epoxy
groups
carboxyl
end
groups.
PLA‐15ECA
exhibited
tensile
strength
41.9
MPa
remarkable
elongation
at
break
336.6%,
compared
pure
52.1
13.7%,
respectively.
Transparency
was
maintained
(transmittance
>85%),
thermal
stability
excellent,
only
2%
mass
loss
after
2
h
200°C.
This
study
highlights
potential
performance
eco‐friendly
packaging
applications.
Highlights
Synthesize
cardanol‐based
Plasticizer
active‐group
reactivity
solubility
are
key
modification.
has
an
336.6%.
‐
balance
strength,
toughness,
keep
Journal of Vinyl and Additive Technology,
Journal Year:
2024,
Volume and Issue:
30(4), P. 1066 - 1079
Published: April 25, 2024
Abstract
Using
benzene‐1,3,5‐tricarboxylic
acid,
trimellitic
anhydride,
2‐propylheptanol
and
2‐ethylhexanol
as
raw
materials,
four
kinds
of
environmental
plasticizers
were
prepared,
which
used
additives
for
polyvinyl
chloride
(PVC)
products.
Compared
with
commercially
available
di
(2‐ethylhexyl)
phthalate
(DOP),
terephthalate
(DOTP),
tributyl
citrate
(TBC),
the
application
performance
plasticizing
compared.
The
structure
target
product
was
analyzed
by
fourier
transform
infrared
spectroscopy
nuclear
magnetic
resonance
to
verify
fingerprint
region
molecular
product.
properties
plasticized
PVC
films
tested
thermal
weight
loss
analysis,
oven
aging
test,
migration
volatility
resistance
DMA
scanning
electron
microscopy.
mechanism
confirmed
through
quantum
chemical
calculations,
results
calculations
in
line
outcomes.
showed
that
compared
plasticizers,
benzene
polyacid
ester
had
better
stability,
cold
polar
environments,
suitable
high‐temperature
water‐based
environments.
Highlights
prepared
this
study
reference
validated
calculations.
film
demonstrates
outstanding
surpassing
certain
reported
current
literature.
Benzene
esters
has
stability
under
various
conditions,
it
great
potential
packaging
other
applications.
ACS Applied Polymer Materials,
Journal Year:
2023,
Volume and Issue:
5(10), P. 8608 - 8617
Published: Sept. 26, 2023
The
development
of
a
facile
and
environmental
strategy
for
manufacturing
natural
aromatic-derived
plasticizer
poly(vinyl
chloride)
(PVC)
featuring
excellent
plasticization,
UV-shielding,
thermostability,
together
with
migration
resistance,
is
still
challenge.
Herein,
series
gallic
acid-derived
polypropylene
glycol
monomethyl
ether
esters
aromatic
rings
(TGPME-n,
n
=
1,
2,
or
3
referring
to
the
number
methylethoxy
units
in
structure
TGPME-n)
were
developed
as
plasticizers
PVC
via
simple
esterification
acid
sequent
etherification
epichlorohydrin
one-pot
process
without
any
HCl
generation.
Extensive
experiments
showed
that
performances
blended
TGPME-n
highly
dependent
on
from
TGPME-n,
where
plasticized
by
more
better
than
those
bearing
one.
Benefiting
strong
interaction
polar
groups
(epoxy,
ethoxy,
ester
groups)
skeleton,
low
temperature
thermal
stability,
transparency,
UV-shielding
well
resistance
TGPME-3
maximum
superior
dioctyl
phthalate
(DOP),
implying
could
be
used
an
attractive
alternative
totally
replace
toxic
DOP.
This
study
provides
feasible
fabricate
efficient
industry.
