Journal of Macromolecular Science Part A,
Journal Year:
2024,
Volume and Issue:
62(1), P. 75 - 84
Published: Dec. 9, 2024
Hydroxyl-yne
click
reaction,
the
reaction
between
mainly
primary
or
secondary
alcohols
and
electron-deficient
alkynes
in
presence
of
a
catalytic
amount
base,
fulfills
many
requirements
"click"
reactions,
such
as
high
efficiency,
stereoselectivity,
mild
conditions.
The
has
proven
to
be
useful
for
both
small
organic
molecules
then
gained
much
popularity
polymer
synthesis.
In
this
study,
we
aimed
investigate
efficiency
hydroxyl-yne
post-polymerization
modification
(PPM)
commercial
polymers
possessing
alcohol
functionality.
Polyvinyl
butyral
with
some
degree
free
OH
units
was
chosen
platform
modified
various
propiolate
esters
1,4-diazabicyclo[2.2.2]octane
(DABCO)
organobase
at
room
temperature
only
5
min,
affording
vinyl
ether
pendant
E-configuration.
were
obtained
quantitative
efficiencies
yields,
their
chemical
structures
confirmed
by
several
spectroscopic
analyses.
We
believe
presented
strategy
will
extend
our
knowledge
X-yne
reactions
emerge
powerful
tool
PPM
method.
ACS Applied Polymer Materials,
Journal Year:
2024,
Volume and Issue:
6(7), P. 3894 - 3908
Published: March 21, 2024
In
the
present
scenario,
petroleum
resource-based
thermoset
materials
have
become
an
environmental
threat
due
to
their
permanent
cross-linked
structure
that
limits
recyclability.
To
overcome
this
problem,
development
of
covalent
adaptable
networks
(CANs)
containing
dynamic
bonds
has
emerged
in
recent
years
can
be
recycled
under
suitable
conditions.
However,
fully
biobased
as
well
recyclable
CANs
following
a
green
synthetic
protocol
is
yet
great
challenge
and
dream
toward
sustainable
environment.
With
goal,
here,
we
report
CAN
films
from
acrylated
castor
oil
(a
low-cost
vegetable
derivative)
cystamine
diamine)
via
catalyst-free
aza-Michael
reaction
using
disulfide
linkage
bond.
The
show
excellent
thermoself-healing
behavior
recyclability
for
at
least
10
cycles
while
maintaining
material
properties.
addition,
catalytically
degraded,
which
further
reprocessed
reconstruct
films.
Furthermore,
are
hydrophobic
nature,
indicating
these
useful
protective
surface
coating
applications.
Therefore,
proof
concept,
demonstrate
anticorrosive
properties
film
having
maximum
water
contact
angle
102.4°,
analyzed
by
polarization
method,
electrochemical
impedance,
salt
spray
fog
test
corrosive
This
work
provides
economical
environmentally
friendly
route
develop
multifunctional
future.
Dalton Transactions,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
A
Cd(
ii
)
based
network
material
was
synthesized
and
its
structure
determined
by
XRD.
This
compound
showed
metal
ion
metathesis
catalytic
behaviour
towards
the
aza-Michael
addition
of
α,β-unsaturated
olefins
to
nucleophilic
amines.
Journal of Macromolecular Science Part A,
Journal Year:
2023,
Volume and Issue:
60(12), P. 817 - 840
Published: Nov. 10, 2023
Within
the
toolbox
of
click
chemistry,
utilization
thiol-ene
reactions
for
polymer
synthesis
and
modification
is
a
current
area
intense
attention.
Thiol-ene
are
used
broad
range
applications.
One
main
that
needs
particular
attention,
where
immensely
employed,
fabrication
coatings.
Especially,
when
light
to
trigger
reactions,
coatings
can
be
prepared
within
seconds.
This
method
known
as
photopolymerization
(TEP)
it
marvelous
advancement
among
light-induced
crosslinking
systems.
TEP
powerful
tool
preparation
The
phosphorous
monomers
has
prominent
importance
improved
thermal
properties
flame
retardancy.
Here,
existing
literature
on
retardant
systems
reactive
in
summarized.
review
mainly
highlights
studies
thermosets
yet
some
linear
examples
also
included.
While
this
mini-review
focuses
mostly
TEP,
relevant
works
involving
other
polymerization
routes
(i.e.
polymerization)
rather
than
presented.
Finally,
utilize
synthesize
retardants
given.
Macromolecular Materials and Engineering,
Journal Year:
2024,
Volume and Issue:
309(5)
Published: Feb. 15, 2024
Abstract
Herein,
this
work
reports
the
facile
synthesis
of
a
dimer
diamine‐based
autocatalytic
polyol
(ACP)
and
its
use
in
polyurethane
foam
preparation.
The
ACP,
namely
TETRAOL
is
synthesized
one
step,
without
using
solvent,
with
100%
atom
economy.
Additionally,
phosphorous‐modified
by
9,10‐dihydro‐9‐oxa‐10‐phosphaphenanthrene‐10‐oxide
(DOPO)
castor
oil.
In
study,
all
components
foams
are
vegetable
oil
origin,
amine
or
tin‐based
auxiliary
catalysts
not
used.
structures
as
well
other
bio‐polyols
characterized
Fourier‐transform
infrared
(FTIR)
Nuclear
magnetic
resonance
(NMR)
spectroscopies.
densities,
rise
gel
time
values,
thermal
mechanical
properties
determined
compared
to
prepared
petroleum‐based
commercial
ACP.
bio‐based
TETRAOL‐containing
display
comparable
densities
improve
but
longer
values
concerning
ChemSusChem,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 6, 2024
Dynamic
covalent
chemistry
(DCC)
has
revolutionized
the
field
of
polymer
science
by
offering
new
opportunities
for
synthesis,
processability,
and
recyclability
polymers
as
well
in
development
materials
with
interesting
properties
such
vitrimers
organic
frameworks
(COFs).
Many
DCC
linkages
have
been
explored
this
purpose,
but
recently,
enamine-ones
proven
to
be
promising
dynamic
because
their
facile
reversible
transamination
reactions
under
thermodynamic
control.
Their
high
stability,
stimuli-responsive
properties,
tunable
kinetics
make
them
cross-linkers
network
polymers.
Given
rapid
developments
recent
years,
review
provides
a
critical
up-to-date
overview
enamine-one
chemistry,
including
factors
that
control
dynamics.
The
focus
will
on
utility
designing
variety
processable
self-healable
important
applications
recyclable
closed-loop
use
crystalline
polymers,
known
COFs
are
also
summarized.
Finally,
we
provide
an
outlook
future
field.
Macromolecules,
Journal Year:
2023,
Volume and Issue:
56(17), P. 7006 - 7022
Published: Aug. 22, 2023
In
this
work,
a
novel,
straightforward,
robust,
fast,
and
organocatalyst-mediated
phospha-Michael
reaction
(OCPMR)
was
developed
for
the
addition
of
phosphorus
nucleophiles
to
electron-deficient
alkynes.
Several
P–H
bond-bearing
compounds
with
either
fully
aliphatic
or
aromatic
units
were
utilized
newly
reaction,
it
found
that
phosphorous
species
containing
only
groups
reacted
activated
alkynes
within
5
min
at
room
temperature.
The
led
fast
double-addition
triple
bond
An
in-depth
analysis
mechanism
selectivity
OCPMR
performed
using
computational
methods.
Using
method,
double-phosphorylated
allyl-functional
monomers
synthesized
subsequently
used
synthesis
linear
crosslinked
polymers
via
thiol-ene
photopolymerization.
thermoset
materials
exhibited
LOI
values
as
high
26.4%.
We
also
showed
polyesters
having
bonds
could
be
easily
functionalized
compounds.
synthetic
method
proposed
herein
promises
easy
P–C
formation
under
mild
conditions,
is
straightforward
phosphorus-containing
monomers,
polymers,
polymer
post-functionalization.
believe
feature
will
great
interest
not
material
chemists
scientists
but
organic
chemists,
pharmaceutical
researchers,
etc.
Biomacromolecules,
Journal Year:
2024,
Volume and Issue:
25(11), P. 7323 - 7333
Published: Oct. 22, 2024
Hydrogels
are
indispensable
for
a
variety
of
applications.
Conventional
biomaterial-based
hydrogels,
typically
made
from
proteins
or
polysaccharides,
often
suffer
high
costs,
poor
mechanical
properties,
and
limited
chemical
functionality
modification.
In
this
work,
we
present
novel
hydrogel
developed
modified
castor
oil,
which
is
renewable
cost-effective
resource.
Castor
oil-based
oligomer
(CG)
was
synthesized
using
glycidyl
methacrylate
triethylamine
via
ring-opening
polymerization.
The
formed
gel
only
with
Cu
