Fluorinated polyurethanes with a glass transition temperature as low as -139 °C and a decomposition onset temperature of 247-330 °C were prepared by a reaction of fluorinated alcohols with aromatic and cycloaliphatic diisocyanates in solution or melt.
Keywords: aromatic and cycloaliphatic diisocyanates; decomposition temperature; fluorinated alcohols; fluorinated polyurethanes; glass transition temperature.