Magnetic recording medium having two types of polyester binders

Details Magnetic recording medium having two types of polyester binders Magnetic recording medium having two types of polyester binders

1987-02-12

1988-07-26

Robinson, Ellis P.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

427128, 427131, 252 6254, 428480, 428694, 428328, 428329, 428900, G11B 5702

Patent

active

047599804

ABSTRACT:
A magnetic recording medium comprising a non-magnetic support and a magnetic recording layer formed on at least one side of the support. The layer is made of a composition which comprises two types of polyesters as a binder. The polyesters have glass transition temperatures of not lower than 50.degree. C. and not higher than 10.degree. C., respectively.

REFERENCES:
patent: 4152485 (1979-05-01), Mizumura
patent: 4154895 (1979-05-01), Ogawa
patent: 4546044 (1985-10-01), Asano
patent: 4671995 (1987-06-01), Sekiya
patent: 4699817 (1987-10-01), Fujiki

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