| 发明名称 |
POLYURETHANE AND POLYURETHANE-UREA ELASTOMERS FROM POLYTRIMETHYLENE ETHER GLYCOL |
| 摘要 |
Polyurethanes or polyurethane-ureas prepared from: (a) polytrimethylene ether glycol having a number average molecular weight in the range of about 1,000 to about 4,000 and unsaturated end groups in the range of about 0.003 to about 0.015 meq/g; (b) diisocyanate; and (c) diol or diamine chain extender; and their manufacture, intermediates and use.
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| 申请公布号 |
CA2495585(C) |
申请公布日期 |
2011.02.08 |
| 申请号 |
CA20022495585 |
申请日期 |
2002.10.24 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
SUNKARA, HARI BABU;MCINNIS, EDWIN L. |
| 分类号 |
C08G18/48;C08G18/66;C07C269/02;C07C271/08;C08G18/08;C08G18/10;C08G18/32;C08G65/34 |
主分类号 |
C08G18/48 |
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