| 发明名称 |
SPANDEX, HERGESTELLT MIT EINER DIAMIN-MISCHUNG. |
| 摘要 |
A shaped article of a polyurethane-urea spandex formed from polyalkaneether glycol that was capped with tertiary aralkyl diisocyanate and then chain extended with a specific tricomponent diamine mixture has unexpectedly good heat settability. The diamine mixture comprises 25 to 80% of hydrogenated m-phenylenediamine, 10 to 50% of hydrogenated p-phenylenediamine and 10 to 30% of tetrachloro-p-xylylenediamine. |
| 申请公布号 |
DE3879457(D1) |
申请公布日期 |
1993.04.22 |
| 申请号 |
DE19883879457 |
申请日期 |
1988.12.29 |
| 申请人 |
E.I. DU PONT DE NEMOURS & CO., WILMINGTON, DEL., US |
发明人 |
LODOEN, GARY A., FISHERSVILLE VIRGINIA 22939, US |
| 分类号 |
C08G18/10;C08G18/32;C08G18/48;C08G18/76;D01F6/70;(IPC1-7):C08G18/10;C08G18/38 |
主分类号 |
C08G18/10 |
| 代理机构 |
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