Chemistry Reference
In-Depth Information
S
function of reactivity ratios
T
absolute temperature
T
b
boiling point
Δ
T
b
boiling point difference
T
c
ceiling temperature
T
f
freezing point
T
g
glass transition temperature
T
m
melting temperature
TH
symbol for chain transfer agent
U
moment
U
internal energy function
U
heat transfer coefficient
U
f
fracture energy
UCST
upper critical solution temperature
V
volume
V
equivalent volume of a spherical, solvated polymer molecule
V
r
reference volume
V
1
molar volume of solvent
V
0
kinetic parameter defined by Eq. (8-55)
W
(
M
)
cumulative weight fraction
X
degree of polymerization
X
symbol for reducing agent
X
(
M
)
cumulative mole fraction
Y
Young's (tensile) modulus
Z
function of reactivity ratios
Z
symbol for counterion in anionic polymerizations
Z
metal component of a Lewis acid
a
weight of polymer in end group measurements
a
number of ways an event can happen
a
van der Waals radius
a
crack depth
a
T
shift factor
a
(superscript) Mark
Houwink
Sakurada constant
b
symbol for block in polymer nomenclature
b
arbitrary scale factor in plots of light-scattering data
b
number of ways an event can fail to happen
c
weight concentration
c
number of intermolecular contacts
c
2
concentration of polymer (weight/volume of solution)
d
pipe diameter
d
distance
d
end-to-end distance of a polymer chain
dq
energy added to a system as heat
dw
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