Substantial
interest
in
producing
thermosets
and
photoresponsive
chemicals
from
bioresources
is
garnering,
yet
moderate
performance
drastically
confines
their
applicability
electronic
packaging
material.
Herein,
several
thermosetting
epoxy
building
blocks
lignin-derived
monomers
(vanillyl
alcohol
eugenol)
were
constructed,
a
range
of
lignin-based
enhanced
photocurable
resins
further
developed
using
acrylic
acid
tetrahydrophthalic
anhydride
as
modifiers
by
an
one-pot
synthesis
method.
The
comprehensive
functionalized
was
systematically
investigated,
such
photopolymerization
behavior,
thermal–mechanical
properties,
electrical
breakdown
properties.
As
result,
the
biobased
resin
stemming
vanillyl
fulfilled
fascinating
heat
resistance
(Tg
≈
103.9
°C)
tensile
strength
(28.89
±
4.39
MPa).
Additionally,
inspired
tunable
chain-extending
tactic,
toughness
photo-cross-linked
films
intensified
insertion
flexible
alkyl
chain
segments
between
cross-linked
sites.
proof
concept,
formulated
EAAT
green
ink,
consisting
inorganic,
demonstrated
superior
patterning
ability
after
alkali
development.
rationally
designed
network
strengthening
mechanism
reported
here
offers
important
universal
strategy
for
significantly
enhancing
properties
materials.
Combining
high
heat
resistance
and
green
sustainability
is
a
great
challenge
in
developing
shape
memory
epoxy
resins.
Herein,
starting
from
synthesizing
fully
biobased
trifunctional
compound
(ER),
kind
of
resin
system
(EFTx,
where
x
the
molar
ratio
carboxyl
to
groups)
developed.
The
effects
on
structure
properties
EFTx
resins
were
systematically
investigated.
Results
show
that
cured
have
excellent
resistance,
mechanical
properties,
performance,
recycle
ability.
As
increases,
glass
transition
temperature
(Tg)
initial
thermal
decomposition
(Tdi)
decrease
while
both
self-healing
efficiency
remolding
increase.
Tg
storage
modulus
each
are
much
higher
than
those
reported
Among
resins,
EFT1.0
shows
best-integrated
performance;
specifically,
its
Tg,
Tdi,
tensile
strength,
as
156
°C,
293
40.99
MPa,
90.5%,
respectively,
meanwhile
it
also
has
outstanding
property
reflected
by
fixation
(Rf
=
100%)
recovery
(Rr
97.8%)
under
bend-recovery
experiments
well
Rf
(93.2%)
Rr
(66.1%)
after
four
cycles.
integrated
performance
attributed
their
unique
structures
combine
rigid
stilbene
structure,
furan
ring,
abundant
ester
bonds.
Substantial
interest
in
producing
thermosets
and
photoresponsive
chemicals
from
bioresources
is
garnering,
yet
moderate
performance
drastically
confines
their
applicability
electronic
packaging
material.
Herein,
several
thermosetting
epoxy
building
blocks
lignin-derived
monomers
(vanillyl
alcohol
eugenol)
were
constructed,
a
range
of
lignin-based
enhanced
photocurable
resins
further
developed
using
acrylic
acid
tetrahydrophthalic
anhydride
as
modifiers
by
an
one-pot
synthesis
method.
The
comprehensive
functionalized
was
systematically
investigated,
such
photopolymerization
behavior,
thermal–mechanical
properties,
electrical
breakdown
properties.
As
result,
the
biobased
resin
stemming
vanillyl
fulfilled
fascinating
heat
resistance
(Tg
≈
103.9
°C)
tensile
strength
(28.89
±
4.39
MPa).
Additionally,
inspired
tunable
chain-extending
tactic,
toughness
photo-cross-linked
films
intensified
insertion
flexible
alkyl
chain
segments
between
cross-linked
sites.
proof
concept,
formulated
EAAT
green
ink,
consisting
inorganic,
demonstrated
superior
patterning
ability
after
alkali
development.
rationally
designed
network
strengthening
mechanism
reported
here
offers
important
universal
strategy
for
significantly
enhancing
properties
materials.
