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Abstract

A polymer composition comprising

A) a first polymer comprising (a) hydrophobized nanoparticle;(b) C1 to C18, straight, branched, or cyclic alkyl(meth)acrylate;(c) N-methylol(meth)acrylamide or a monomer of formula (I)R—(OCH2CH2)a—O—C(O)—C(R1)═CH2  (I) wherein R is hydrogen, C1-C4 alkyl, or —C(O)—C(R1)═CH2, and R1 is H or —CH3;said first polymer in contact with B) a second polymer comprising (d) a fluorinated monomer of formula (II)Rf1-L-X—C(O)—C(R)═CH2  (II) wherein Rf1 is a monovalent, partially or fully fluorinated, linear or branched, alkyl radical having 2 to about 100 carbon atoms; optionally interrupted by 1 to about 50 oxygen atoms; wherein the ratio of carbon atoms to oxygen atoms is at least 2:1 and no oxygen atoms are bonded to each other;L is a bond or a linear or branched divalent linking group having 1 to about 20 carbon atoms, said linking group optionally interrupted by 1 to about 4 hetero-radicals selected from the group consisting of —O—, —NR6—, —S—, —SO—, —SO2—, and —N(R6)C(O)— wherein R6 is H or C1 to C6 alkyl, and said linking group optionally substituted with CH2Cl;X is —O—, —N(R)—, or —S—, wherein R is H or CH3;(e) a monomer as described in (b) above; and(f) a monomer as described in (c) above;provided that the first polymer comprises from about 50% to about 70% by weight of the polymer composition.

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First Claim