发明名称 |
Production of aromatic polyethers. |
摘要 |
<p>Production of aromatic polyethers by reacting i) a mixture of a bisphenol and a dihalobenzenoid compound or ii) a halophenol, in which dihalobenzenoid compound or halophenol the halogen atoms are activated by ortho or para -SO2- or-CO- groups, with an alkali metal (bi)carbonate, wherein the reaction is carried out in the absence of a solvent and in the presence of an infusible particulate support substance, preferably inorganic or polymeric, yielding a reaction medium in the form of a fre-flowing powder by the end of the reaction.</p> |
申请公布号 |
EP0010868(A2) |
申请公布日期 |
1980.05.14 |
申请号 |
EP19790302062 |
申请日期 |
1979.10.01 |
申请人 |
IMPERIAL CHEMICAL INDUSTRIES PLC |
发明人 |
STANILAND, PHILIP ANTHONY |
分类号 |
C08G65/38;C08G65/40;C08G75/23;(IPC1-7):08G75/23;08G65/38;08G65/40 |
主分类号 |
C08G65/38 |
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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