95. Pei X, Xia Y, Liu W, Yu B, Hao J (2008) Polyelectrolyte-grafted carbon nanotubes: synthesis,
reversible phase-transition behavior, and tribological properties as lubricant additives. J Polym
Sci A Polym Chem 46:7225–7237
96. Yang J, Yan X, Chen F, Fan P, Zhong M (2013) Graphite oxide platelets functionalized by
poly(ionic liquid) brushes and their chemical reduction. J Nanopart Res 15:1383
97. Xu Y, Gao C, Kong H, Yan D, Jin YZ, Watts PCP (2004) Growing multihydroxyl
hyperbranched polymers on the surfaces of carbon nanotubes by in situ ring-opening
polymerization. Macromolecules 37:8846–8853
98. Kerscher B, Appel A-K, Thomann R, Mu ¨lhaupt R (2013) Treelike polymeric ionic liquids
grafted onto graphene nanosheets. Macromolecules 46:4395–4402
99. Appel A-K, Thomann R, Mu ¨lhaupt R (2013) Hydroxyalkylation and polyether polyol grafting
of graphene tailored for graphene/polyurethane nanocomposites. Macromol Rapid Commun.
doi:10.1002/marc.201300363
446
B. Kerscher et al.
reversible phase-transition behavior, and tribological properties as lubricant additives. J Polym
Sci A Polym Chem 46:7225–7237
96. Yang J, Yan X, Chen F, Fan P, Zhong M (2013) Graphite oxide platelets functionalized by
poly(ionic liquid) brushes and their chemical reduction. J Nanopart Res 15:1383
97. Xu Y, Gao C, Kong H, Yan D, Jin YZ, Watts PCP (2004) Growing multihydroxyl
hyperbranched polymers on the surfaces of carbon nanotubes by in situ ring-opening
polymerization. Macromolecules 37:8846–8853
98. Kerscher B, Appel A-K, Thomann R, Mu ¨lhaupt R (2013) Treelike polymeric ionic liquids
grafted onto graphene nanosheets. Macromolecules 46:4395–4402
99. Appel A-K, Thomann R, Mu ¨lhaupt R (2013) Hydroxyalkylation and polyether polyol grafting
of graphene tailored for graphene/polyurethane nanocomposites. Macromol Rapid Commun.
doi:10.1002/marc.201300363
446
B. Kerscher et al.