Processes for preparing high purity polycyclic fluoroalkanes are provided. The polycyclic fluoroalkanes are useful as solvents, cleaning agents, heat transfer fluids, refrigerants, lubricants, and, in a preferred embodiment, by virtue of high refractive index and high transparency to UV wavelengths, optical applications in the vacuum ultraviolet (VUV).

 
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> Electroactive fluorene copolymers and devices made with such polymers

> Electroactive fluorene polymers having perfluoroalkyl groups, process for preparing such polymers and devices made with such polymers

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