Antistatic hard coat incorporating a polymer comprising pendant fluorinated groups
First Claim
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1. An optical recording disk having an antistatic hard coat layer provided on at least one surface of the disk, wherein the hard coat layer comprisesa) a fluorinated ionic salt;
- b) a vinyl copolymer comprising a plurality of pendant fluorinated groups; and
a nonfluorinated polymer.
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Abstract
An optical recording disk having an antistatic hard coat layer provided on at least one surface of the disk, wherein the hard coat layer comprises a fluorinated ionic salt; a polymer comprising a plurality of pendant fluorinated groups, and optionally a nonionic fluorinated surfactant. The polymer comprising a plurality of pendant fluorinated groups is preferably a copolymer derived from monomers comprising a nonfluorinated vinyl monomer; and a vinyl monomer comprising a fluorinated group.
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21 Claims
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1. An optical recording disk having an antistatic hard coat layer provided on at least one surface of the disk, wherein the hard coat layer comprises
a) a fluorinated ionic salt; -
b) a vinyl copolymer comprising a plurality of pendant fluorinated groups; and a nonfluorinated polymer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification