| 摘要 |
Compositions formed of aqueous dispersions comprising a mixture of the following fluorinated polymers:A) (meth)acrylic (co)polymers containing fluorine, andB) cationic ionomers of fluorinated polyurethanes based on (per) fluoropolyethers, the weight ratio A):B), calculated on the dry product, being in the range 70:30 and 30:70.
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