发明名称 |
Branched hydroxy-terminated aliphatic polyethers. |
摘要 |
<p>Branched chain hydroxy-terminated aliphatic polyethers having alkyl azide substituents are disclosed having the formula: <CHEM> and n1, n2, n3 .... etc = the number of GAP units in each segment. Also disclosed is a process for the preparation thereof which comprises the single step of reacting a solid rubbery polyepichlorohydrin (PECH) with epichlorohydrin monomer (ECH) and an ionic azide.</p> |
申请公布号 |
EP0350226(A2) |
申请公布日期 |
1990.01.10 |
申请号 |
EP19890306706 |
申请日期 |
1989.07.03 |
申请人 |
CANADIAN PATENTS AND DEVELOPMENT LIMITED |
发明人 |
AHAD, ELIE |
分类号 |
C08G65/48;C08G65/24;C08G65/32;C08G65/325 |
主分类号 |
C08G65/48 |
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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