Green Energy & Environment,
Journal Year:
2022,
Volume and Issue:
8(1), P. 10 - 114
Published: July 20, 2022
In
the
search
of
alternative
resources
to
make
commodity
chemicals
and
transportation
fuels
for
a
low
carbon
future,
lignocellulosic
biomass
with
over
180-billion-ton
annual
production
rate
has
been
identified
as
promising
feedstock.
This
review
focuses
on
state-of-the-art
catalytic
transformation
into
value-added
fuels.
Following
brief
introduction
structure,
major
pretreatment
methods
biomass,
conversion
three
main
components,
i.e.,
cellulose,
hemicellulose
lignin,
various
compounds
are
comprehensively
discussed.
Either
in
separate
steps
or
one-pot,
cellulose
hydrolyzed
sugars
upgraded
oxygen-containing
such
5-HMF,
furfural,
polyols,
organic
acids,
even
nitrogen-containing
amino
acids.
On
other
hand,
lignin
is
first
depolymerized
phenols,
catechols,
guaiacols,
aldehydes
ketones,
then
further
transformed
hydrocarbon
fuels,
bioplastic
precursors
bioactive
compounds.
The
introduces
transformations
whole
via
gasification,
pyrolysis,
well
emerging
strategies.
Finally,
opportunities,
challenges
prospective
woody
valorization
highlighted.
Green Chemistry,
Journal Year:
2021,
Volume and Issue:
23(13), P. 4633 - 4646
Published: Jan. 1, 2021
Lignin
is
a
natural
UV-blocking
material
owing
to
its
aromatic
structure
with
numerous
phenolic,
ketone,
and
intramolecular
hydrogen
bonds.
To
produce
high-performance
applicable
sunscreen
from
lignin,
various
modification
methods
can
be
applied.
ACS Sustainable Chemistry & Engineering,
Journal Year:
2020,
Volume and Issue:
8(13), P. 5338 - 5346
Published: March 23, 2020
In
the
past
70
years,
over
8
billion
tons
of
plastics
have
been
produced,
majority
which
cannot
be
fully
biodegraded,
causing
their
fragments
to
found
everywhere
in
biosphere,
including
living
organisms.
Herein,
a
group
biodegradable
composites
were
produced
by
blending
poly(butylene
adipate-co-terephthalate)
(PBAT)
with
technical
lignin
through
twin-screw
extrusion
method.
Two
strategies
developed
improve
mechanical
properties
PBAT/lignin
composites:
(1)
modifying
via
methylation
reduce
hydrogen
bonding
between
−OH
groups
and
(2)
enhancing
intermolecular
interactions
PBAT
adding
maleic
anhydride-graft-PBAT
as
compatibilizer.
The
obtained
from
two
60
wt
%
contents
exhibited
ideal
tensile
performance
could
meet
requirement
Chinese
National
Standard
for
packaging.
different
composite
components
investigated
morphological
thermal
analyses.
results
showed
that
when
is
used
filler
composites,
molecular
mobility
size
its
agglomerates
remarkably
impacted
ductility
strength
films.
A
simple
cost
comparison
neat
film
films
indicated
latter
was
economically
competitive,
production
costs
significantly
36%.
Progress in Materials Science,
Journal Year:
2022,
Volume and Issue:
131, P. 101001 - 101001
Published: Aug. 23, 2022
The
ability
of
artificial
materials
to
be
healed
efficiently,
mimicking
the
living
organisms,
exhibits
a
great
deal
potential
advantages
that
can
revolutionise
operation
and
maintenance
used
in
various
applications.
Such
self-healable
smart
have
been
extensively
researched
last
few
decades,
leading
development
different
physical
chemical
synthesis
approaches.
Among
these
methods,
techniques
based
on
reversible
cycloadditions
or
disulfide
bonding
provide
obvious
terms
repeatability,
which
holds
prime
importance
determining
commerciality
healing
approach.
This
review
compiles
recent
advances
field
self-healing
polymers
where
is
introduced
by
cycloaddition
reactions
while
focusing
mainly
Diels-Alder
(DA)
reaction.
DA
[4
+
2]
reaction
diene
dienophile
pairs
are
fabricate
thermally
crosslinked
networks.
These
covalent
bonds
necessary
reversibility
matrix
impart
desired
strength
polymeric
material.
There
considerable
body
literature
has
employed
either
its
own
along
with
other
mechanisms
polymers.
However,
lack
systematic
discussing
works
makes
it
difficult
for
beginner
cope
advancements
this
field.
Most
early
studies
focused
stimuli
efficiency
but
review,
we
would
like
explore
thermodynamics
governing
rupture–repair
process
use
advanced
spectroscopic
study
them
their
applicability
thermosets,
epoxy
resins,
biopolymers,
polymer
nanocomposites.
Novel
applications
such
functional
polymers,
multifunctional
healable
outlook
future
research,
opportunities
challenges
area
also
discussed.
Energies,
Journal Year:
2023,
Volume and Issue:
16(4), P. 1752 - 1752
Published: Feb. 9, 2023
The
idea
of
a
circular
economy
(CE)
has
gained
ground
over
the
past
ten
years
as
means
addressing
sustainable
development
and
getting
around
limitations
current
linear
dominant
production
consumption
patterns.
primary
goal
CE
is
to
encourage
adoption
closing-the-loop
methods
improve
resource
use
efficiency,
modify
chemical
processes,
increase
product
material
lifespan.
According
2030
Agenda
for
Sustainable
Development,
which
focuses
on
17
Development
Goals,
14
call
appropriate
application
green
chemistry
(GC)
concepts
patterns,
role
that
may
play
in
shift
toward
more
models
critical.
By
serving
foundation
novel
products
made
from
renewable
feedstocks
designed
be
reused,
recycled,
or
recovered
with
associated
minimum
energy
requirements,
could
key
unlocking
economic
potential
new
design
ultimately
solving
waste
management
problems.
aim
this
perspective
paper,
while
using
variety
literature
sources,
essentially
capture
main
issues
GC
paradigms
how
these
two
approaches
can
merge
business
materials.
This
integration
reducing
waste,
conserving
resources,
minimizing
negative
environmental
impacts,
also
considering
viability.
However,
obstacles
achieving
implementation
principles
are
investment,
education,
legislation.
To
advance
chemistry,
international
agreements
should
reconsidered
provide
an
framework,
including
creation
incentives
businesses
individuals
adopt
practices,
establishment
education
programs
promote
benefits
regulations
support
transition
Journal of Materials Research and Technology,
Journal Year:
2022,
Volume and Issue:
21, P. 3909 - 3946
Published: Nov. 1, 2022
Over
the
last
50
years,
use
of
wood
adhesives
in
manufacturing
wood-based
panel
goods
has
increased
efficiency
resources.
Wood
are
becoming
more
popular
as
need
for
panels
grows.
By
2028,
global
market
is
expected
to
reach
21.8
billion
dollars.
Even
though
urea-formaldehyde
(UF),
phenol-formaldehyde
(PF),
melamine-formaldehyde
(MF),
phenol-resorcinol-formaldehyde
(PRF),
and
resorcinol-formaldehyde
(RF)
resins
excellent
terms
bonding
performance,
workability,
quality,
economy,
they
consist
harmful
or
toxic
chemical
agents
derived
from
fossil
resources,
which
make
their
application
severely
limited.
This
review
aims
go
through
most
significant
'green'
high-performance
panels,
such
lignin,
tannin,
protein,
natural
rubber,
emulsion
polymer
isocyanate
(EPI),
1C
PUR
polyurethane
(for
glue-laminated
cross-laminated
timber),
PMDI
particleboards,
medium-density
low-density
fiberboards),
carboxylic
acid,
vegetable
oil.
The
physical
mechanical
characteristics
bio-based
adhesives,
well
development
sustainable,
greener,
discussed
this
work.
Original
research
papers
articles
among
important
sources
since
provide
complete
information
on
recent
developments
eco-friendly,
adhesives.
Biomacromolecules,
Journal Year:
2023,
Volume and Issue:
24(3), P. 1065 - 1077
Published: Feb. 6, 2023
The
exploration
of
renewable
resources
is
essential
to
help
transition
toward
a
more
sustainable
materials
economy.
valorization
lignin
can
be
key
component
this
transition.
Lignin
an
aromatic
polymer
that
constitutes
approximately
one-third
the
total
lignocellulosic
biomass
and
isolated
in
huge
quantities
as
waste
material
biofuel
paper
production.
About
98%
100
million
tons
produced
each
year
simply
burned
low-value
fuel,
so
widely
available
at
very
low
cost.
has
valuable
properties
make
it
promising
for
numerous
applications,
but
far
from
being
fully
exploited.
aim
Perspective
highlight
opportunities
challenges
use
lignin-based
food
packaging,
antimicrobial,
agricultural
applications.
In
first
part,
ongoing
research
possible
future
developments
additive
improve
mechanical,
gas
UV
barrier,
antioxidant
packaging
items
will
treated.
Second,
application
antimicrobial
agent
discussed
elaborate
on
activity
against
bacteria,
fungi,
viruses.
Finally,
agriculture
presented
by
focusing
fertilizer.
Green Chemistry,
Journal Year:
2022,
Volume and Issue:
24(20), P. 7705 - 7750
Published: Jan. 1, 2022
The
recently
developed
strategies
for
the
degradation
and
functionalization
of
lignin
enable
it
to
be
converted
into
a
wide
variety
value-added
-chemicals,
-and
advanced
materials.
Polymers,
Journal Year:
2023,
Volume and Issue:
15(15), P. 3177 - 3177
Published: July 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.
