ΔG m
Gibbs free energy of mixing
GPC
gel permeation chromatography
ΔH
interaction enthalpy
ΔH m
mixing enthalpy
ΔH u
heat of fusion
HDPE
high density polyethylene
HPLC
high performance liquid chromatography
HT
high temperature
IC
interaction chromatography
i.d.
internal diameter
IPC
impact polypropylene copolymer
IR
infrared
J
net flux
K*
optical constant in light scattering
K d
distribution coefficient
l
mean layer thickness
LALLS
low angle laser light scattering
LALS
low angle light scattering
LAM
longitudinal acoustic mode
LC
liquid chromatography
LCB
long chain branching
LCCC
liquid chromatography at critical conditions
LDPE
low density polyethylene
LLDPE
linear low density polyethylene
LS
light scattering
M
molar mass
M n
number-average molar mass
M o
molar mass of repeat unit
M v
viscosity-average molar mass
M w
weight-average molar mass
MA
methyl acrylate
MALLS
multi-angle laser light scattering
MALS
multi-angle light scattering
MFI
melt flow index
MMA
methyl methacrylate
MMD
molar mass distribution
MT
medium temperature
m i
mass of species i
n i
number of species i
N A
Avogadro’s number
NMR
nuclear magnetic resonance
OBC
olefin block copolymer
ODCB
ortho-dichlorobenzene
P
degree of polymerization
P(Θ)
scattered light angular dependence
viii
Symbols and Abbreviations