发明名称 |
REVETEMENT POUR ENREGISTREMENT MAGNETIQUE |
摘要 |
<p>A polymeric binder for magnetic coating exhibiting excellent wear and aging characteristics comprised of a mixture of a high molecular weight vinyl chloride-vinyl acetate or a polyvinyl acetal having a glass transition temperature (Tg) in excess of 70 DEG C. and a thermoplastic polyurethane-polyurea, hydroxyl-functional elastomer which is a reaction product of a mixture of a polyesterdiol, a hydrocarbon diol, a diphenyl sulfone diamine and an organic diisocyanate.</p> |
申请公布号 |
BE753809(A1) |
申请公布日期 |
1970.12.31 |
申请号 |
BED753809 |
申请日期 |
1970.07.23 |
申请人 |
GRT CORP., 1286 N. LAWRENCE STATION ROAD, SUNNYVALE, ETAT DE CALIFORNIE, (E.U.A.), |
发明人 |
L.M. HIGASHI;H.R.MCEVERS. |
分类号 |
C08K3/22;C08L1/00;C08L27/00;C08L29/14;C08L75/04;C08L75/12;C09D5/23;C09D127/06;G11B5/702;(IPC1-7):11B/ |
主分类号 |
C08K3/22 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|