| 发明名称 |
Tetrafunctional polyethers. |
| 摘要 |
<p>Polymers are produced from 4 and 5 member cyclic ethers, which polymers have hydroxyl functionalities of 4. The cyclic ethers are polymerized with an acid catalyst and a tetraol initiator having the general formula: <CHEM> f</p> |
| 申请公布号 |
EP0531591(A1) |
申请公布日期 |
1993.03.17 |
| 申请号 |
EP19910308336 |
申请日期 |
1991.09.12 |
| 申请人 |
THIOKOL CORPORATION |
发明人 |
WARDLE, ROBERT B.;HINSHAW, JERALD C. |
| 分类号 |
C08G65/28;C08G65/26;C08L71/02 |
主分类号 |
C08G65/28 |
| 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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