B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/08 (2006.01) B32B 27/32 (2006.01) B32B 27/36 (2006.01) G11B 5/73 (2006.01)
Patent
CA 2062401
- 20 - ABSTRACT OF THE DISCLOSURE A laminated polyester film for a magnetic tape, which film comprises a layer of a crystalline polyester (A) and a layer of a polyester (B) which is laminated on at least one surface of the layer of the polyester (A) and has a melting point lower than that of the polyester (A), and which film has a Young's modulus of at least 600 kg/mm2 in both longitudinal and transverse directions, which film is suitable as a base film of a video tape.
Diafoil Hoechst Company Limited
Kirby Eades Gale Baker
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