FIELD: chemistry.
SUBSTANCE: method for production of organomodified montmorillonite with polyfluoroalkyl groups includes treatment of natural montmorillonite with a mixture of 1,1,3-trihydroperfluoropropanol-1,1,1,5-trihydroperfluoropentanol-1 and 1,1,7-trihydroperfluoroheptanol-1 in n-heptane at 50°C, with the following ratio of components, mass. part.: montmorillonite - 100.0, 1,1,3-trihydroperfluoropropanol-1 - 1.2, 1,1,5-trihydroperfluoropentanol-1 - 2.8, 1,1,7-trihydroperfluoroheptanol-1 - 3.2, n-heptane-200.0.
EFFECT: increased hydrophobicity of modified montmorillonite.
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Authors
Dates
2017-08-28—Published
2016-10-26—Filed