Chemistry Reference
In-Depth Information
F
force
F
fraction of polymer formed by chain transfer or disproportionation
F
i
mole fraction of comonomer
i
in copolymer
F
(
t
)
cumulative probability function of residence times in a continuous
reactor
G
Gibbs free energy
G
1
molar Gibbs free energy of solvent
G
function of comonomer concentrations
G
shear modulus
G
(
t
)
shear relaxation modulus
G
0
storage modulus
G
v
loss modulus
G
complex modulus
G
c
critical strain energy release rate
G
s
surface free energy
H
enthalpy
H
optical constant in light scattering
H
function of comonomer concentrations
H
p
enthalpy of polymerization
I
light intensity
I
moment of inertia
I
symbol for polymerization initiator
I
0
intensity of incident light
I
0
θ
intensity of light scattered at angle
θ
to incident beam
J
product of intrinsic viscosity and molecular weight
J
0
shear compliance
J
v
storage compliance
J
loss compliance
J
complex compliance
J
(
t
)
shear creep compliance
5
C
K
degrees Kelvin (
273)
1
K
constant in Mark
Houwink
Sakurada equation
K
optical constant in light-scattering measurements
K
0
proportionality constant
K
v
proportionality constant
K
equilibrium constant
K
bulk modulus
K
stress intensity factor
K
c
fracture toughness
K
lc
fracture toughness in plane strain
10
23
per mole)
L
Avogadro's constant (6
.
023
3
LCST
low critical solution temperature
M
molecular weight
M
concentration (moles/liter)
