Thermoplastically processable polyurethane elastomers |
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| 申请号 | US3689443D | 申请日 | 1970-11-09 | 公开(公告)号 | US3689443A | 公开(公告)日 | 1972-09-05 |
| 申请人 | BASF WYANDOTTE CORP; | 发明人 | FENSCH WALTER; | ||||
| 摘要 | A POLYURETHANE ADAPTED TO BE PROCESSED THERMOPLASTICALLY INTO A PRODUCT HAVING A SUBSTANTIALLY PERMANENT HARDENSS OF ABOUT SHORE A 80* OR LESS IS PROVIDED BY REACTING A HYDROXY POLYCAPROLACTONE HAVING A MOLECULR WEIGHT OF FROM ABOUT 1,500 TO ABOUT 2,500, A HYDROXY POLYCAPROLACTONE HAVING A MOLECULAR WEIGHT OF FROM ABOUT 500 TO ABOUT 600, A GLYCOL HAVING A MOLECULAR WEIGHT BELOW ABOUT 250 AND DIPHENYLEMTHANE-4,4''-DIISOCYANATE. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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