Stock material or miscellaneous articles – Composite – Of polyamidoester
Patent
1986-02-19
1987-08-11
Robinson, Ellis P.
Stock material or miscellaneous articles
Composite
Of polyamidoester
252 6254, 427128, 428694, 428900, G11B 5702
Patent
active
046861459
ABSTRACT:
A novel magnetic recording medium consisting of a base material, magnetic particles and a specific polyurethane-based binder containing incorporated sulphonate groups, a process for preparing such a magnetic recording medium which comprises coating a base material with a coating material comprising (i) an organic solvent, (ii) a polyurethane binder containing chemically incorporated sulphonate groups and (iii) magnetic particles and the most preferred binder composition therefor comprising a hexandiol-(1,6)-polycarbonate-based polyurethane.
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Chiba Takanori
Harada Yoshito
Honda Masaru
Imokawa Toshiaki
Nagayasu Katsumi
Robinson Ellis P.
Sumitomo Bayer Urethane Co. Ltd.
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