Stock material or miscellaneous articles – Composite – Of polyamidoester
Patent
1992-08-20
1994-01-25
Resan, Stevan A.
Stock material or miscellaneous articles
Composite
Of polyamidoester
428694BC, 428694BL, 428900, G11B 500
Patent
active
052814823
ABSTRACT:
A method and agent for improving polyurethane binder compositions are provided. The method comprises introducing into the polyurethane backbone a diol residue including a double bond therein. Preferably the double bond is positioned in a moiety pendant from the polyurethane backbone. In preferred compounds, the double bond-containing residue is introduced in sufficient quantities to provide at least one double bond every 2,000-3,000 molecular weight units of polymer. Preferred agents include acrylate-, methacrylate-, acrylamide-, norbornenyl- and cyclohexenyl- groups. Preferred compositions, both cured and uncured, are provided. Also, use of such a composition in magnetic recording media is described.
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Rand, William M., Jr., "Electron Curing of Magnetic Coatings", Radiation Curing, Feb. 1983, pp. 26-28 and 30-31.
Blevins Burke R.
Martens John A.
Griswold Gary L.
Kagan David B.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Resan Stevan A.
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