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peptizability. J Colloid Interface Sci 247:132–137
78. Nguefack M, Popa AF, Rossignol S, Kappenstein C (2003) Preparation of alumina through a
sol–gel process. Synthesis, characterization, thermal evolution and model of intermediate
boehmite. Phys Chem Chem Phys 5:4279–4289
79. Buining PA, Pathmamanoharan C, Jansen JBH, Lekkerkerker HNW (1991) Preparation of
colloidal boehmite needles by hydrothermal treatment of aluminum alkoxide precursors.
J Am Ceram Soc 74:1303–1307
80. Streller RC, Thomann R, Torno O, Mu ¨lhaupt R (2009) Morphology, crystallization behavior,
and mechanical properties of isotactic poly(propylene) nanocomposites based on
organophilic boehmites. Macromol Mater Eng 294:380–388
81. Pierson HO (1993) Handbook of carbon, graphite, diamond, and fullerenes properties,
processing, and applications. Noyes Publications, Park Ridge
82. Wypych G (2009) Handbook of fillers, 3rd edn. ChemTec Publishing, Toronto
83. Yu M-F, Lourie O, Dyer MJ, Moloni K, Kelly TF, Ruoff RS (2000) Strength and breaking
mechanism of multiwalled carbon nanotubes under tensile load. Science 287:637–640
84. Demczyk BG, Wang YM, Cumings J, Hetman M, Han W, Zettl A, Ritchie RO (2002) Direct
mechanical measurement of the tensile strength and elastic modulus of multiwalled carbon
nanotubes. Mater Sci Eng A 334:173–178
85. Lee C, Wei X, Kysar JW, Hone J (2008) Measurement of the elastic properties and intrinsic
strength of monolayer graphene. Science 321:385–388
86. Du X, Skachko I, Barker A, Andrei EY (2008) Approaching ballistic transport in suspended
graphene. Nat Nano 3:491–495
87. Hilding J, Grulke EA, George Zhang Z, Lockwood F (2003) Dispersion of carbon nanotubes
in liquids. J Dispers Sci Technol 24:1–41
Polyolefin Nanocomposites and Hybrid Catalysts
303
nanocomposites: in situ polymerization using bifunctional organic modifiers. Polymer
44:5317–5321
68. Bergman JS, Chen H, Giannelis EP, Thomas MG, Coates GW (1999) Synthesis and characterization of polyolefin–silicate nanocomposites: a catalyst intercalation and in situ polymerization approach. Chem Comm 1999(21):2179–2180
69. Wang Q, Liu P (2005) Dual bimodal polyethylene prepared by intercalated silicate with
nickel diimine complex. J Polym Sci A Polym Chem 43:5506–5511
70. Halbach TS, Thomann Y, Mu ¨lhaupt R (2008) Boehmite nanorod-reinforced-polyethylenes
and ethylene/1-octene thermoplastic elastomer nanocomposites prepared by in situ olefin
polymerization and melt compounding. J Polym Sci A Polym Chem 46:2755–2765
71. Xalter R, Pelascini F, Mu ¨lhaupt R (2008) Ethylene polymerization, on-line particle growth
monitoring, and in situ nanocomposite formation using catalysts supported on arylsulfonic
acid-modified boehmites. Macromolecules 41:3136–3143
72. Stu ¨rzel M, Kempe F, Thomann Y, Mark S, Enders M, Mu ¨lhaupt R (2012) Novel graphene
UHMWPE nanocomposites prepared by polymerization filling using single-site catalysts
supported on functionalized graphene nanosheet dispersions. Macromolecules 45:6878–6887
73. Sang L, Chen S-L, Yuan G, Zheng M, You J, Chen A, Li R, Chen L (2012) Metathesis of
1-butene and 2-butene to propene over Re 2 O 7 supported on macro-mesoporous γ-alumina
prepared via a dual template method. J Nat Gas Chem 21:105–108
74. Coiai S, Passaglia E, Augier S, Narducci P, Ciardelli F (2008) Organophilic boehmite
nanoparticles by ATRP methacrylates polymerization: synthesis, characterization and dispersion in polypropylene. J Nanosci Nanotechnol 8:1803–1811
75. Bohnen FM, Siepen K (2001) Method for producing metal oxides dispersibles in organic
solvents. Patent PCT/DE2000/002163
76. Bokhimi X, Toledo-Antonio JA, Guzma ´n-Castillo ML, Herna ´ndez-Beltra ´n F (2001) Relationship between crystallite size and bond lengths in boehmite. J Solid State Chem 159:32–40
77. Martens WN, Kloprogge JT, Frost RL, Bartlett JR (2002) A crystallite packing model for
pseudoboehmite formed during the hydrolysis of trisecbutoxyaluminium to explain the
peptizability. J Colloid Interface Sci 247:132–137
78. Nguefack M, Popa AF, Rossignol S, Kappenstein C (2003) Preparation of alumina through a
sol–gel process. Synthesis, characterization, thermal evolution and model of intermediate
boehmite. Phys Chem Chem Phys 5:4279–4289
79. Buining PA, Pathmamanoharan C, Jansen JBH, Lekkerkerker HNW (1991) Preparation of
colloidal boehmite needles by hydrothermal treatment of aluminum alkoxide precursors.
J Am Ceram Soc 74:1303–1307
80. Streller RC, Thomann R, Torno O, Mu ¨lhaupt R (2009) Morphology, crystallization behavior,
and mechanical properties of isotactic poly(propylene) nanocomposites based on
organophilic boehmites. Macromol Mater Eng 294:380–388
81. Pierson HO (1993) Handbook of carbon, graphite, diamond, and fullerenes properties,
processing, and applications. Noyes Publications, Park Ridge
82. Wypych G (2009) Handbook of fillers, 3rd edn. ChemTec Publishing, Toronto
83. Yu M-F, Lourie O, Dyer MJ, Moloni K, Kelly TF, Ruoff RS (2000) Strength and breaking
mechanism of multiwalled carbon nanotubes under tensile load. Science 287:637–640
84. Demczyk BG, Wang YM, Cumings J, Hetman M, Han W, Zettl A, Ritchie RO (2002) Direct
mechanical measurement of the tensile strength and elastic modulus of multiwalled carbon
nanotubes. Mater Sci Eng A 334:173–178
85. Lee C, Wei X, Kysar JW, Hone J (2008) Measurement of the elastic properties and intrinsic
strength of monolayer graphene. Science 321:385–388
86. Du X, Skachko I, Barker A, Andrei EY (2008) Approaching ballistic transport in suspended
graphene. Nat Nano 3:491–495
87. Hilding J, Grulke EA, George Zhang Z, Lockwood F (2003) Dispersion of carbon nanotubes
in liquids. J Dispers Sci Technol 24:1–41
Polyolefin Nanocomposites and Hybrid Catalysts
303