Urethanes made from aliphatic fluorinated alcohols, isocyanates and substituted aromatic compounds, a process for their preparation, and their use

Abstract From the Canadian patent

23221-4576, Abstract of the disclosure Urethanes made from aliphatic fluorinated alcohols iso-, cyanates and substituted aromatic compounds a process for their, preparation, and their use. Novel urethanes of the general formula (1), in which Rf denotes, for example, a C4-C20 perfluoroalkyl R1 is H, or C1-C4 alkyl, X is an integer from 1 to 4 Y is an integer from 0, to 10, m and n are integers from 1 to 2 the sum m + n being at, most 3, and A is for example, a phenylene or toluylene group are disclosed. The novel urethanes are synthesized from an aliphatic fluorinated alcohol, an isocyanate and a specific substituted phenol or aniline compound. They are prepared by reacting an aliphatic …