Magnetic recording media comprising organosilicones in a magneti

Details Magnetic recording media comprising organosilicones in a magneti Magnetic recording media comprising organosilicones in a magneti

1983-07-27

1985-02-26

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

Of silicon containing

252 6254, 360134, 360135, 360136, 427128, 428694, 428695, 428900, G11B 568, G11B 570, G11B 572

Patent

active

045018006

ABSTRACT:
Magnetic recording media are described which comprise a support having a magnetic recording layer thereon. The magnetic recording layer is made of a dispersion of magnetic particles in a binder and a specific type of organosilicone. The organosilicone is represented by the general formula ##STR1## in which R represents a monovalent saturated or unsaturated hydrocarbon having 7 to 21 carbon atoms, R.sub.1, R.sub.2 and R.sub.3 independently represent a methyl or RCOO group, R.sub.4 is a saturated hydrocarbon group having 1 to 20 carbon atoms, and k, l, m and n are independently an integer provided that 1<K, 1.ltoreq.l<200, 1.ltoreq.m<200, 0.ltoreq.n<300, and l+m+n.ltoreq.500.

REFERENCES:
patent: 4110503 (1978-08-01), Ogawa
patent: 4135016 (1979-01-01), Ogawa
patent: 4171406 (1979-10-01), Yamaguchi
patent: 4349608 (1982-09-01), Shimizu

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