important findings not only in the field of self-healing but also in other applications,
such as injectable gels and smart inks for 3D or 4D printing.
Keywords Hydrogels · Hydrogen-bonding interactions · Hydrophobic
associations · Mechanical properties · Self-healing · Semicrystalline hydrogels
Abbreviations
β o
CTAB/AAc molar ratio in the gelation solution
η o
Zero-shear viscosity
ε
Strain
ε f
Fracture strain
_
ε
Strain rate
λ
Deformation ratio
λ biax,max
Maximum biaxial extension ratio
λ max
Maximum deformation ratio
ν e
dry
Cross-link density
ξ H
Hydrodynamic correlation length
σ f
Fracture stress
σ nom
Nominal stress
ω
Frequency
AAc
Acrylic acid
AAm
Acrylamide
AMPS
2-Acrylamido-2-methyl-1-propanesulfonic acid
BAAm
N,N
0 -Methylenebis(acrylamide)
C12M
Dodecyl methacrylate
C17.3M
Stearyl methacrylate
C18A
N-Octadecyl acrylate
C22A
Docosyl acrylate
CNFs
Cellulose nanofibrils
C o
Initial monomer concentration
CTAB
Cetyltrimethylammonium bromide
DAT
Diaminotriazine
DMAA
N,N-Dimethylacrylamide
DMSO
Dimethyl sulfoxide
DNA
Deoxyribonucleic acid
E
Young’s modulus
EtBr
Ethidium bromide
f ν
Fraction of associations broken during the loading
G
0
Storage modulus
G
00
Loss modulus
GO
Graphene oxide
MAAc
Methacrylic acid
NAGA
N-Acryloyl glycinamide
22
O. Okay