B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/08 (2006.01) B32B 27/32 (2006.01) C08J 7/04 (2006.01) G11B 5/735 (2006.01) G11B 5/738 (2006.01)
Patent
CA 2095167
- 49 - ABSTRACT OF THE DISCLOSURE A laminated polyethylene 2,6-naphthalate film having a polyethylene 2,6-naphthalate film and a coating layer which is formed on at least one surface of the poly- ethylene 2,6-naphthalate film and comprises at least one water-soluble or dispersible resin selected from the group consisting of polyesters, polyurethanes and polyacrylic resins, and satisfying the following properties: (1) an F5 value in a machine direction of at least 1.5 x 108 Pa, (2) a Young's modulus in a machine direction of at least 5.9 x 109 Pa, (3) a Young's modulus in a transverse direction of at least 5.9 x 109 Pa, and (4) a surface roughness Ra of the coating layer of not larger than 0.020 µm, which laminated film is suitable as a base film of a magnetic recording medium.
Fujita Masato
Kinoshita Shin-Ichi
Otani Yuzo
Diafoil Hoechst Company Ltd.
Kirby Eades Gale Baker
LandOfFree
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