Ind
Indenyl
i-Pr
Isopropyl
LCB
Long-chain branching
LDPE
Low-density polyethylene
LLDPE
Linear low-density polyethylene
LVE
Linear viscoelasticity
MAO
Methylaluminoxane
M 0
Molecular weight of the repeat unit, for PE, M 0 ¼ 14.027 g/mol
M c
Critical molecular weight above which η 0 scales with M
3:6
w for PE,
M c ¼ 3,500 g/mol
M e
Chain length for entanglements for PE, M e ¼ 1,300 g/mol
M n
Number-average molecular weight
M w
Weight-average molecular weight
Me
Methyl
MFR
Melt flow rate
mLLDPE
Metallocene-catalyzed linear low-density polyethylene
mol
Mole(s)
MTR
Mass transfer resistance
MWD
Molecular weight distribution, M w /M n , as determined by size
exclusion chromatography
NMR
Nuclear magnetic resonance
p E
Ethylene partial pressure in polymerization
Ph
Phenyl
Pr
Propyl
r C
Reactivity ratio of comonomer
r E
Reactivity ratio of ethylene
r H
Reactivity ratio of comonomer (1-hexene)
rt
Room temperature
SEC
Size exclusion chromatography
SECMALLS
Size exclusion chromatography coupled with multi-angle
laser light scattering
-Si
(CH 3 ) 2 Ph
Dimethylphenylsilane
-Si(CH 3 ) 3
Trimethylsilane
SSC
Single-site catalyst
T
Measurement temperature
T 0
Reference temperature
tan δ
Loss tangent, tan δ ¼ G
00 (ω)/G
0 (ω) [À]
t-Bu
tert-Butyl
TMS
Trimethylsilyl
T p
Polymerization temperature
ZN
Ziegler–Natta
γ
Shear strain [À]
γ
Shear rate (s
À1 )
Functional Polyolefins Through Polymerizations by Using Bis(indenyl). . .
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