AP	Ammonium Perchlorate
AS	Ammonium Sulfate
BAPO	Bis-(2,4,6-trimethylbenzoyl) phenylphosphine oxide
HTPB	Hydroxyl-Terminated Polybutadiene
PB	Polybutadiene
PPCF	Polypropylene-Reinforced Carbon Fiber
PTTM	Pentaerythritol tetrakis(3-mercaptopropionate)
UV	Ultraviolet
TPU	Thermoplastic Polyurethane
Nomenclature
A	Area, ${\mathrm{mm}}^2$
$A_s$	Arrhenius pre-exponential factor, cP
$E_a$	Arrhenius activation energy, kJ·${\mathrm{mol}}^{-1}$
E	Young’s modulus, MPa
$E_{mc}$	Compression mean Young’s modulus, MPa
$E_{mt}$	Tensile mean Young’s modulus, MPa
F	Applied force, N
$L_0$	Gauge length, m
$ln$	Natural logarithm
R	Gas constant, J·${\mathrm{mol}}^{-1}·$ ${\mathrm{K}}^{-1}$
$R^2$	Coefficient of determination
$RMSE$	Root mean square error
T	Temperature, °C or K
$T_{amb}$	Ambient temperature, °C or K
$\Delta L$	Displacement, m
$ϵ$	Strain
$\eta$	Viscosity, cP
$\sigma$	Stress, MPa
$\tilde{\sigma }$	Fitted stress, MPa
${\sigma }_{ymc}$	Ultimate mean compression stress, MPa
${\sigma }_{ymt}$	Ultimate mean tensile stress, MPa
$\mathsf{\Phi }$	Diameter, cm