Polyhedral oligomeric networks

The 0-d nanoparticles can be nano-metal oxides (such as silica,1 titania,2 alumina3), nano-metal carbide,4 and polyhedral oligomeric silsesquioxanes (POSS),5 to name just a few the 1-d nanofibers can be carbon nanofiber,6 and carbon nanotubes (CNT),7 which could be single-wall CNTs (SWCNT) or multiwall CNTs (MWCNT) etc. the 2-d nano-layers include, but are not limited to, layered silicates,8 layered double hydroxides (LDH),9 layered zirconium phosphate,10 and layered titanates,11 etc. 3-d nano-networks are rarely used and thus examples are not provided here. 

Mu J, Liu Y, Zheng S. (2007) Inorganic-organic interpenetrating polymer networks involving polyhedral oligomeric sUsesquioxane and poly(ethylene oxide). Polymer 48 1176-1184. 

Liu, L. Tian, M. Liang, G. Chen, W. Zhang, L. Mark, J. E., Polyhedral Oligomeric Silsesquioxane (POSS) in a Polysiloxane Melt and Elastomer. Dependence of the Dispersion of the POSS on Its Solubility and Constraining Effects of a Network Structure. J. Macromol. Sci., PureAppl. Chem. 2007,44,... 

Another important area of research in biocompatible SMPINCs is the use of polyhedral oligomeric silsesquioxanes (POSS). In recent studies, these POSS cages primarily served as anchor sites for PCL chains to make organosilica SMPINCs with a wide variety of properties, ranging from triple-shape POSS/PCL networks [116], dynamic microscale surface features [117], ultrasoft networks post-transition... 

When an allylated novolac/BMI resin was compounded with polyhedral oligomeric silsesquioxane (BOSS), in the presence of octamaleimidophenyl polyhedral silsesquioxane (OMPS) as a co-curing reagent, materials with POSS cages uniformly distributed in the network resulted (Li et al. 2007). Their enhanced thermal stability is the result of the higher cross-Unk density and the inorganic nature of POSS. 

It is well known that the useful properties of siloxanes stem from the nature of the siloxane bond (93), the structural characteristics of the polymer, the synthetic control over molecular weight and polydispersity, and the character of the framing groups (R). Polysiloxanes are presently available commercially as linear chains (93), rings, ladders, and three-dimensional networks (e.g., polyhedral oligomeric... 

Strachota, A., Kroutilova, L, Kovafova,)., and Matejka, L. (2004) Epoxy networks reinforced with polyhedral oligomeric silsesquioxanes (POSS). 

Brus J, Urbanova M, Strachota A (2008) Epoxy networks reinforced with polyhedral oligomeric silsesquioxanes structure and segmental dynamics as studied by solid-state NMR. Macromolecules (Washington) 41(2) 372-386. doi 10.1021/ma702140g... 

Abad MJ, Barral L, Fasce DP, Williams RJJ (2003) Epoxy networks containing large mass fractions of a monofunctional polyhedral oligomeric silsesquioxane (POSS). Macromolecules 36(9) 3128-3135. doi 10.1021/ma021539f... 

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