FLUORINATED PARAFFIN WAX AS LUBRICANT FOR TREATING SURFACE OF PLASTIC SKIS AND METHOD FOR PRODUCTION THEREOF Russian patent published in 2013 - IPC C07C43/12 C07C41/24 C09G3/00 

FIELD: chemistry.

SUBSTANCE: present invention relates to fluorinated paraffin of general formula CF₃(CF₂)_nOCF₂CF₂(CH₂)_mCH₃, where n=4, 6, 8 and m=15-27, which is used as a lubricant for treating the surface of plastic skis, and a method for production thereof. The method comprises five successive steps: the first step involves condensation of acyl fluorides of perfluoro acids with hexafluoropropylene oxide in the presence of a catalyst - alkali metal fluoride - to obtain perfluoro(2-methyl-3-oxa)alkanoyl fluorides; at the second step, the perfluoro(2-methyl-3-oxa)alkanoyl fluorides are subjected to alkaline hydrolysis to obtain salts of corresponding perfluoro(2-methyl-3-oxa)acids, which are subjected to decarboxylation to obtain perfluoroalkyl vinyl esters which are then subjected to iodofluorination with subsequent binding of perfluoro(3-oxa)alkyl iodides to 1-alkenes and the last step involves reduction of 1-perfluoro(3-oxa)alkyl-2-iodoalkanes.

EFFECT: invention improves speed and operational characteristics of ski wax in the temperature interval of -10°C+20°C.

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