发明名称 Magnetic recording medium containing a binder consisting essentially of a specified vinyl chloride polymer and a specified polyurethane polymer
摘要 A magnetic recording medium comprising a non-magnetic substrate and a magnetic powder-containing magnetic layer formed thereon, said layer further containing, as a binder for the magnetic powder, a vinyl chloride polymer containing 2% by weight or less of hydroxyl group(s) not directly bonding to the main chain and a polyurethane containing 2.3 or more isocyanate groups per molecule and having a molecular weight of 2,000 or more and the two polymers being crosslinked by each other.
申请公布号 US5221582(A) 申请公布日期 1993.06.22
申请号 US19900603547 申请日期 1990.10.26
申请人 NIPPON ZEON CO., LTD. 发明人 YAMAKAWA, MASAHIRO
分类号 C09D5/23;C09D127/04;C09D127/06;C09D175/00;C09D175/04;G11B5/702 主分类号 C09D5/23
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