Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1995-05-30
1996-09-17
Resan, Stevan A.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
4284259, 428480, 428694BG, 428694BU, 428900, 252 6254, G11B 5702
Patent
active
055566987
ABSTRACT:
A magnetic recording medium is prepared by applying a magnetic coating composition onto a non-magnetic support and curing said composition, said coating composition containing ferromagnetic particles dispersed in a binder comprising a thermoplastic resin selected from the group consisting of polyurethanes and polyester wherein there is chemically bonded to said resin at least one aminoalkylphosphonate represented by the formula: ##STR1## wherein R.sup.1 and R.sup.2 are the same or different oxyalkyl radicals having from 2 to 12 carbon atoms, R.sup.3 is an alkylene radical having from 1 to 12 carbon atoms, or an aralkylene radical having from 7 to 10 carbon atoms R.sup.4 is an alkyl radical having from 1 to 12 carbon atoms, a cycloalkyl radical having from 5 to 12 carbon atoms, or an aryl radical having from 6 to 12 carbon atoms wherein the aryl radical may contain a halogen atom, a hydroxyl group, or an amino group, and M.sup.+ is a metal ion or an ammonium ion.
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Amirsakis Charles J.
Dolmon Louis C.
Heberer Daniel P.
Picchiotti Lawrence
Vietti David E.
Didrick Robert M.
Morton International Inc.
Resan Stevan A.
White Gerald K.
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