发明名称 |
Method of making patent leather. |
摘要 |
<p>Patent leather having excellent "thermosetting" is obtained by coating buffed and primed leather with two-component systems comprising polyurethanes, the hydroxyl component employed being, instead of the customary hydroxyl polyesters, specific OH group-containing oligourethanes. …<??>The oligourethanes are prepared by reacting mixtures of macrodiols of various molecular weight with diisocyanates.</p> |
申请公布号 |
EP0349858(B1) |
申请公布日期 |
1994.09.28 |
申请号 |
EP19890111522 |
申请日期 |
1989.06.24 |
申请人 |
BAYER AG |
发明人 |
NOLL, KLAUS, DR.;PEDAIN, JOSEF, DR.;ZORN, BRUNO, DR.;SCHMID, ROSEMARIE |
分类号 |
C08G18/12;C08G18/42;C14C11/00;(IPC1-7):C14C11/00 |
主分类号 |
C08G18/12 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|