| 发明名称 |
Mixture of sulfur-modified and unmodified copolyether glycols and polyurethanes prepared therefrom. |
| 摘要 |
<p>Copolyether glycols are modified so that they contain 1-25%, by weight of beta , beta min -dihydroxyalkyl sulfide moieties. These modified copolyether glycols have enhanced resistance to degradation by heat and oxygen.</p> |
| 申请公布号 |
EP0106903(A1) |
申请公布日期 |
1984.05.02 |
| 申请号 |
EP19820109727 |
申请日期 |
1982.10.21 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
ROBINSON, IVAN MAXWELL |
| 分类号 |
C08G18/50;C08G65/34;(IPC1-7):08G65/34;08G18/50;08G65/32 |
主分类号 |
C08G18/50 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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