- (MDA) and
trimellitic acid chloride (TMAC).
Reaction of the
anhydride with the
diamine produces an
intermediate amic acid. The
acid chloride functionality...
-
dianhydride in step polymerization. The
intermediate polymer,
known as a poly(
amic acid), is
soluble because of
strong hydrogen bonds to the
polar solvents usually...
-
during the
reaction by the
disappearance of
absorption bands of the poly(
amic acid) at 3400 to 2700 cm−1 (OH stretch), ~1720 and 1660 (amide C=O) and ~1535 cm−1...
-
fusible high-molecular-weight poly(
amic acid) in a
polar aprotic solvent such as NMP or N,N-dimethylacetamide. The poly(
amic aicd) can then be
processed into...
-
Picric acid is an
organic compound with the
formula (O2N)3C6H2OH. Its
IUPAC name is 2,4,6-trinitrophenol (TNP). The name "picric"
comes from Gr****: πικρός...
-
Vitamin C (also
known as
ascorbic acid and ascorbate) is a water-soluble
vitamin found in
citrus and
other fruits,
berries and vegetables. It is also a...
- The
AMIC surgery is a single-step procedure. Once
cartilage damage is ****essed
there are two
methods to
access the
joint to
proceed with the
AMIC surgery...
-
Aminomethylphosphonic acid (AMPA) is a
aminophosphonate with a weak
phosphonic acid group. AMPA
apparently can be used as
biocide and pesticide. AMPA...
-
Glyoxylic acid or
oxoacetic acid is an
organic compound.
Together with
acetic acid,
glycolic acid, and
oxalic acid,
glyoxylic acid is one of the C2 carboxylic...
-
medical herb, it is used for
increasing excretion of urine,
lowering uric
acid,
protecting kidney,
reducing oxidative stress,
reducing inflammation, protecting...
