| abstract |
A magnetic recording medium comprises a self-supporting plastics film, partic. of polyethylene terephthalate, coated with an aq. latex or soln. contg. (a) >=1 copolymer of >=1 of (meth)acrylic acid or ester or (b) anunhydrolysed or partly hydrolysed (co)polymer of vinyl acetate and >=1 crosslinking agent chosen from epoxy, alkyd and amino-plast resins together with a suitable magnetisable matl., e.g. Fe2O3. The coating can be applied to the base film after orientation, heat setting, etc. is complete. |