Optical recording medium with antistatic hard coating

Details Optical recording medium with antistatic hard coating Optical recording medium with antistatic hard coating

1991-07-09

1993-01-05

Ryan, Patrick J.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428 65, 4284111, 428412, 4284231, 4284242, 428461, 428694, 428913, B32B 302

Patent

active

051769433

ABSTRACT:
The present invention concerns perfluoro-based antistatic compositions comprising 0.5 to 5.0 parts by weight of an ionic perfluoro surfactant and 0.5 to 5.0 parts by weight of a nonionic perfluoro surfactant in admixture with 100 parts by weight of nonfluorinated, copolymerizable, radiation curable prepolymers as well as antistatic hard coatings prepared from these compositions. The present invention also concerns optical recording media having such antistatic hard coatings provided on at least one surface.

REFERENCES:
patent: 4042632 (1977-08-01), Hofer, Sr. et al.
patent: 4208466 (1980-06-01), Szur
patent: 4505990 (1985-03-01), Dasgupta
patent: 4623594 (1986-11-01), Keough
patent: 4822675 (1989-04-01), Funkenbusch et al.
patent: 4833043 (1989-05-01), Gardner
patent: 4917970 (1990-04-01), Funkenbusch

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