Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1985-04-16

1986-08-26

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

Of polyamidoester

252 6254, 427128, 428480, 428493, 428521, 428522, 428328, 428329, 428694, 428900, 360134, 360135, 360136, G11B 570

Patent

active

046083154

ABSTRACT:
A magnetic recording medium comprising a resinous component in which magnetic particles are dispersed and a base to which the dispersion is solidly applied, the resinous component consisting of a copolymer having an OH/CH absorption ratio according to the infrared absorption spectrum of 0.2 or more and made from (A) vinyl chloride, (B) vinylidene chloride, (C) a vinyl alkylcarboxylate, (D) an other monomer copolymerizable with vinyl chloride, and (E) a saponified vinyl alkylcarboxylate, and a rubbery binder. Alternatively, a polyisocyanate is added to the above copolymer.

REFERENCES:
patent: 4352859 (1982-10-01), Yoda
patent: 4429017 (1984-01-01), Ogawa
patent: 4460653 (1984-07-01), Uzegami

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