发明名称 |
Polyurethane magnetic disk coatings |
摘要 |
A polyurethane coating material for magnetic recording disks which is composed of magnetic particles, solvent blends and a thermosetting binder system. The resins are made from blocked isocyanates or blocked polyisocyanates with polyacrylates which contain reactive hydrogens.
|
申请公布号 |
US4410440(A) |
申请公布日期 |
1983.10.18 |
申请号 |
US19820352737 |
申请日期 |
1982.02.26 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
KO, MING |
分类号 |
C08G18/62;C09D5/23;C09D133/04;C09D133/08;C09D175/00;C09D175/04;G11B5/702;(IPC1-7):H01F10/02;H01F1/02 |
主分类号 |
C08G18/62 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|