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: &lt;CHEM&gt; 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 代理人
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