发明名称 |
Magnetic recording medium whose magnetic layer incorporates nonhalogenated vinyl copolymer and specified polyurethane polymer |
摘要 |
Magnetic recording medium, comprising a magnetic layer provided on a nonmagnetizable substrate, wherein the magnetic layer comprises a magnetic pigment dispersed in a polymeric binder. The polymeric binder comprises a nonhalogenated vinyl copolymer, wherein the vinyl copolymer comprises a plurality of pendant nitrile groups, a plurality of pendant hydroxyl groups, and at least one pendant dispersing group. Preferably, the binder also includes a secondary polymer component.
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申请公布号 |
US5510187(A) |
申请公布日期 |
1996.04.23 |
申请号 |
US19950457323 |
申请日期 |
1995.06.01 |
申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
KUMAR, RAMESH C.;ARUDI, RAVINDRA L.;CARLSON, JAMES G.;CHANG, DANIEL Y.;HAIDOS, JOHN C.;MODERT, KEITH J.;PATEL, SUMAN K.;ROTTO, NELSON T. |
分类号 |
B32B27/18;B32B27/20;C08F246/00;C08L75/00;C09D5/23;C09D175/00;G11B5/702;(IPC1-7):G11B5/00 |
主分类号 |
B32B27/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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