ACS Sustainable Chemistry & Engineering,
Год журнала:
2022,
Номер
10(3), С. 1267 - 1276
Опубликована: Янв. 10, 2022
Due
to
its
high
crystallinity,
tailored
compostability,
and
superior
barrier
performance,
poly(glycolic
acid)
(PGA)
has
great
potential
as
a
substitute
for
current
single-use
plastics
used
in
food
packaging
applications
with
lower
carbon
footprint.
However,
susceptibility
hydrolysis
mechanical
brittleness
hinders
direct
suitability
packaging.
In
this
work,
we
circumvent
limitation
by
first
blending
PGA
thermoplastic
polyester,
poly(butylene
adipate-co-terephthalate)
(PBAT),
glycidyl
cross-linker
via
industrial-scale
twin-screw
extrusion
then
converting
film
blown
extrusion.
The
surface
of
the
films
was
chemically
cross-linked
using
electron
beam
treatment
(EBT)
impart
excellent
properties.
Here,
plays
dual
role.
Firstly,
it
cross-links
improves
oxygen
moisture
both
improved
due
PBAT.
Second,
does
not
compromise
toughness
or
extension
at
break
polymer
blend,
desirable
flexible
applications.
A
dosage
250
kGy
EBT
resulted
having
an
permeation
57.0–59.8
cm3
mm
m–2
24
h–1
atm–1
water
vapor
26.8
g
while
maintaining
75
MPa.
At
dosages
higher
than
300
kGy,
inhomogeneities
formed
on
some
degradation
properties
is
observed.
This
work
highlights
possibility
deriving
biopolymer
performance
retaining
required
combination
treatment,
scalable
processes.
Green Chemistry,
Год журнала:
2021,
Номер
23(11), С. 3790 - 3817
Опубликована: Янв. 1, 2021
This
review
summarizes
the
recent
advances
in
fabrication
strategies
and
versatile
applications
of
lignin-derived
biodegradable
film
materials
from
viewpoint
sustainable
development.
Materials,
Год журнала:
2022,
Номер
15(17), С. 5899 - 5899
Опубликована: Авг. 26, 2022
Food
sectors
are
facing
issues
as
a
result
of
food
scarcity,
which
is
exacerbated
by
rising
populations
and
demand
for
food.
ordinarily
wrapped
packaged
using
petroleum-based
plastics
such
polyethylene,
polyvinyl
chloride,
others.
However,
the
excessive
use
these
polymers
has
environmental
health
risks.
As
result,
much
research
currently
focused
on
bio-based
materials
packaging.
Biodegradable
that
compatible
with
products
used
to
make
edible
packaging
materials.
These
can
be
ingested
provide
consumers
additional
benefits.
Recent
shifted
its
focus
multilayer
coatings
films-based
packaging,
material
distinct
features.
The
aim
this
review
article
investigate
properties
applications
several
in
types
film
coating
production
technologies
also
covered
separately.
Furthermore,
films
industry
been
examined,
their
advantages
over
traditional
discussed.
Advances in Materials Science and Engineering,
Год журнала:
2022,
Номер
2022, С. 1 - 33
Опубликована: Апрель 30, 2022
After
cellulose,
lignin
is
the
most
commonly
used
natural
polymer
in
green
biomaterials.
Pulp
and
paper
mills
emerging
cellulosic
biorefineries
are
main
sources
of
technical
lignin.
However,
only
2–5%
has
been
converted
into
Making
lignin-based
biocomposites
to
replace
petroleum-based
composites
piqued
interest
many
researchers
worldwide
due
positive
environmental
impact
traditional
over
time.
In
composite
development,
being
as
a
filler
commercial
polymers
improve
biodegradability
possibly
lower
production
costs.
As
polymer,
may
have
different
properties
depending
on
isolation
method
source,
affecting
polymer-based
composites.
The
application
affected
by
characteristics
uniform
distribution
polymers.
review’s
goal
was
provide
an
overview
extraction,
properties,
its
potential
appropriate
utilization.
It
also
planned
revisit
composites’
preparation
procedure
well
their
characteristics.
Solvent
casting
extrusion
methods
fabricate
from
polymeric
matrices
such
polypropylene,
epoxy,
polyvinyl
alcohol,
polylactic
acid,
starch,
wood
fiber,
rubber,
chitosan.
Packaging,
biomedical
materials,
automotive,
advanced
biocomposites,
flame
retardant,
other
applications
for
existed.
result,
technology
still
refined
increase
performance
several
applications.
This
review
could
assist
explain
lignin’s
position
additive,
which
lead
more
efficient
processing
strategies.
Macromolecular Chemistry and Physics,
Год журнала:
2022,
Номер
223(4)
Опубликована: Янв. 7, 2022
Abstract
Replacing
petroleum‐based
chemicals
with
biomass‐based
alternatives
is
becoming
more
and
important
for
the
development
of
a
low‐carbon
economy
around
world.
The
latest
life
cycle
assessment
displayed
that
partially
replacing
phenol
biobased
lignin
in
process
synthesizing
phenolic
resin
adhesives
used
wood
panels
industry
can
remarkably
reduce
carbon
emissions
negative
environmental
impact.
macromolecular
structure
similar
to
basic
unit
phenol,
thus
endowing
it
potential
substitute
release
formaldehyde
preparation
resin.
Importantly,
lignin‐based
adhesive
exhibits
improved
performance
reduced
cost
compared
due
adding
amount
volatile
components.
However,
intrinsic
large
steric
hindrance,
structural
heterogeneity,
low
activity
natural
limit
its
further
application
adhesive.
Many
researchers
have
developed
activation
methods
such
as
physical
modification,
chemical
biological
modification
overcome
these
issues.
different
their
area
are
mainly
summarized
here.
Besides,
curing
mechanism
also
discussed.
Polymers,
Год журнала:
2023,
Номер
15(15), С. 3177 - 3177
Опубликована: Июль 26, 2023
The
recycling
of
biomass
into
high-value-added
materials
requires
important
developments
in
research
and
technology
to
create
a
sustainable
circular
economy.
Lignin,
as
component
biomass,
is
multipurpose
aromatic
polymer
with
significant
potential
be
used
renewable
bioresource
many
fields
which
it
acts
both
promising
biopolymer
bioactive
compound.
This
comprehensive
review
gives
brief
insights
the
recent
technological
trends
on
lignin
development
utilization.
It
divided
ten
main
sections,
starting
an
outlook
its
diversity;
properties
possibilities
raw
material
for
fuels,
chemicals,
plastics,
or
thermoset
substitutes;
new
use
compound
nanoparticles,
hydrogels,
3D-printing-based
biomaterials,
energy
production
storage.
In
each
section
are
presented
preparation
lignin-based
especially
green
approaches
obtaining
multifunctional
blends
bio(nano)composites;
most
suitable
type
category
envisaged
products;
obtained
materials,
etc.
Different
application
categories
within
various
sectors,
could
provide
completely
conversion,
such
agriculture
environment
protection,
food
packaging,
biomedicine,
cosmetics,
also
described.
medical
therapeutic
lignin-derived
evidenced
applications
antimicrobial,
antiviral,
antitumor
agents;
carriers
drug
delivery
systems
controlled/targeting
release;
tissue
engineering
wound
healing;
coatings,
natural
sunscreen,
surfactants.
Lignin
mainly
fuel,
and,
recently,
studies
highlighted
more
bioenergy
technologies,
supercapacitor
electrode,
photocatalysts,
photovoltaics.
