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Title:
MAGNETIC RECORDING CARRIER
Document Type and Number:
Japanese Patent JPS5936328
Kind Code:
A
Abstract:
1. A process for the production of a magnetic recording medium by dispersing a finely divided anisotropic magnetic material and conventional additives in a solution of a binder mixture based on an aqueous polyurethane ionomer, applying a layer of the dispersion to a non-magnetizable base material and subsequently orienting the anisotropic magnetic material and drying the applied layer, wherein the dispersion consists of A. from 35 to 45% by weight of magnetic material, B. from 5 to 15% by weight of a polyurethane ionomer, C. from 1.5 to 7.5% by weight of a cellulose ester, D. from 0.5 to 2.5% by weight of an alkyd resin and/or a melamine resin, E. from 1 to 2% by weight of a dispersant, and F. from 40 to 50% by weight of water als solvent.

Inventors:
IEENE KOFUAKUSU
ARUBERUTO KOORU
Application Number:
JP13300483A
Publication Date:
February 28, 1984
Filing Date:
July 22, 1983
Export Citation:
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Assignee:
BASF AG
International Classes:
C09D5/23; C09D101/18; C09D175/00; C09D175/04; G11B5/702; (IPC1-7): G11B5/70
Attorney, Agent or Firm:
Tajiro Taiji



 
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