Stock material or miscellaneous articles – Composite – Of polyamidoester
Patent
1990-11-13
1992-09-29
Thibodeau, Paul J.
Stock material or miscellaneous articles
Composite
Of polyamidoester
428694, 428900, G11B 500
Patent
active
051513307
ABSTRACT:
There is disclosed a magnetic recording medium having the excellent electromagnetic conversion properties and an improved Young's modulus of a magnetic layer, wherein the magnetic layer contains a binder comprising a polyurethane resin having a polycaprolactone structural unit and a vinyl chloride resin having --SO.sub.3 M, --COOM, --OSO.sub.3 M, ##STR1## wherein M represents hydrogen, lithium, sodium or potassium.
REFERENCES:
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patent: 4585702 (1986-04-01), Osborn et al.
patent: 4634633 (1987-01-01), Ninomiya et al.
patent: 4637959 (1987-01-01), Ninomiya et al.
patent: 4762902 (1988-08-01), Murphy
patent: 4784914 (1988-11-01), Matsufuji et al.
patent: 4786557 (1988-11-01), Kakuishi et al.
338830
Kumamoto Kenji
Sasaki Kunitsuna
Bierman Jordan B.
Konica Corporation
Resan Stevan A.
Thibodeau Paul J.
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