Aqueous compositions of perfluoropolyether phosphates and use thereof to confer oleo-repellence to paper

   
   

Aqueous compositions of (per)fluoropolyether phosphates of formula: T--O--[R.sub.f --CFY--L--O]P(O)(O.sup.- Z.sup.+)(OH); and/or (A) (OH).sub.m (O.sup.- Z.sup.+).sub.2-m P(O)[O--L--YFC--O--R.sub.f --CFY--L--O--P(O)(O.sup.- Z.sup.+)].sub.m' -- --[O--L--YFC--O--R.sub.f --CFY--L--O]P(O)(O.sup.- Z.sup.+).sub.2-m (OH).sub.m (B) and use thereof to confer oleo-repellence to the paper in bulk by means of the wet-end method.

Водяные составы (фосфаты per)fluoropolyether формулы: Т -- О -- [R.sub.f -- CFY -- Л -- O]P(O)(O.sup. - Z.sup.+)(OH); and/or (A) (OH).sub.m (O.sup. - Z.sup.+).sub.2-m P(O)[O -- л -- YFC -- о -- R.sub.f -- CFY -- Л -- О -- P(O)(O.sup. - [O Z.sup.+)].sub.m ' -- -- -- Л -- YFC -- О -- R.sub.f -- CFY -- Л -- O]P(O)(O.sup. - Z.sup.+).sub.2-m (OH).sub.m (B) и польза thereof посовещаться oleo-repellence-repellence к бумаге в большом части посредством метода влажн-konqa.

 
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