发明名称 MAGNETIC RECORDING MEDIUM
摘要 PROBLEM TO BE SOLVED: To obtain a magnetic recording medium having excellent dispersibility of carbon black, excellent surface characteristics, good electromagnetic transducing characteristics and excellent durability. SOLUTION: This magnetic recording medium has a magnetic layer via a nonmagnetic layer containing at least a carbon black as a pigment on a nonmagnetic base. In such a case, the carbon of the carbon black is an acidic carbon of a pH of <6 and the binder used for the nonmagnetic layer is a radiation curing type binder and contains at least a polyurethane resin having at least a basic polar group.
申请公布号 JP2001084569(A) 申请公布日期 2001.03.30
申请号 JP19990259990 申请日期 1999.09.14
申请人 TDK CORP 发明人 SASAKI HIDEKI
分类号 G11B5/738;G11B5/70;(IPC1-7):G11B5/738 主分类号 G11B5/738
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