| 摘要 |
<p>In one aspect, the invention provides a fluorochemical composition comprising a mixture of: a fluorochemical selected from the formula (I): wherein RF is a fluorinated group having the formula: R<SUB>f</SUB>- W-, wherein R<SUB>f</SUB> is a perfluoroalkyl or perfluoropolyether group and W is a divalent linking group; PI is a monovalent pendant organic moiety comprising benzophenone, substituted benzophenone, acetophenone, or substituted acetophenone groups; R is H, CH<SUB>3</SUB>, or F; Rh is lower alkyl selected from the group consisting of linear or branched alkyl groups having from 1 to about 8 carbon atoms, cycloalkyl-containing alkyl groups having from 4 to about 8 carbon atoms, and cycloalkyl groups having from 3 to about 8 carbon atoms, all optionally containing catenated O or N atoms; m is at least 2; n is at least 1; q is zero or greater; and a hydrofluoroether.</p> |
