Patent · US Expired

Magnetic recording medium having radiation curable binder with .alpha.-methylstyrene unsaturation

US5523115A · kind A · utility

11Cited by
13References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 12, 1994
Grant dateJun 4, 1996
Priority date
Expiry dateDec 12, 2014

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B5/7026
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The present invention provides magnetic recording media comprising a magnetizable layer and optionally a backside coating provided on a nonmagnetizable substrate. At least one of the magnetizable layer and the optional backside coating comprises a polymeric binder, wherein the polymeric binder is obtained from reactants comprising a free radical generator and a radiation curable polymer. The radiation curable polymer comprises a plurality of radiation curable, .alpha.-methylstyrene moieties of the formula ##STR1##

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.