Table 2 (continued)
High molecular weight precursors
Crosslinking agent
Solvent
a
Temperature of
cryotropic
gelation (
C)
What was done and reported
References
Poly(styrene-co-maleic anhydride)
Benzidine
Dimethylsulfoxide
(T
0
¼ +18.4
C)
+9
Preparation and study of physicochemical properties of resulting
cryogels
[35, 91]
Poly(N-vinyl-pyrrolidone-co-maleic
anhydride)
4,4
0
-Diaminodiphenyloxide
+2 to
À8
[ 4, 35, 50,
91]
Polystyrene
p-Xylylene-dichloride
Nitrobenzene
(T
0
¼ +5.5
C)
À4 to
À27
Preparation and study of physicochemical properties of resulting
cryogels
[4, 35, 91]
Poly(iso-butylene)
Sulfur monochloride
Benzene
(T
0
¼ +5.5
C)
À18
Preparation of “single-hole”
macroporous cryogel particles and
study of their properties and
microstructure
[211, 212]
Poly(iso-butylene) + silica
nanoparticles
À5 to
À15
Synthesis of butyl-rubber spongy
composites and study of their
properties
[213]
Poly(iso-butylene) + silica
nanoparticles
Cyclohexane
(T
0
¼ +6.5
C)
À2;À18
Preparation of spongy composite
butyl-rubber-cryogels and study
of their physicochemical properties and porous morphology
[214]
II. Crosslinking by radiation
Poly(vinyl alcohol) + poly(N-vinylpyrrolidone) + aloe vera
γ-rays
Water
À70
Preparation and study of hydrogels
for wound dressing
[215]
III. Photo-induced crosslinking
Poly(ethylene oxide)
zoyl)benzyltrimethylammonium
chloride
Water
À25
Preparation and study of physicochemical properties of resulting
cryogels
[216]
(Hydroxypropyl)methyl-cellulose or
2-hydroxyethyl-cellulose, or
methyl-cellulose
À10 to
À30
[217–219]
20
V.I. Lozinsky