发明授权
US4200727A Manufacture of polyethers from bisphenols and dihalides in the absence of solvent and in the presence of alkali metal carbonate 失效
在不存在溶剂和碱金属碳酸盐存在下,从双酚和二卤化物制备聚醚

  • 专利标题: Manufacture of polyethers from bisphenols and dihalides in the absence of solvent and in the presence of alkali metal carbonate
  • 专利标题(中): 在不存在溶剂和碱金属碳酸盐存在下,从双酚和二卤化物制备聚醚
  • 申请号: US952800
    申请日: 1978-10-19
  • 公开(公告)号: US4200727A
    公开(公告)日: 1980-04-29
  • 发明人: Gerd BlinneClaus Cordes
  • 申请人: Gerd BlinneClaus Cordes
  • 申请人地址: DEX
  • 专利权人: BASF Aktiengesellschaft
  • 当前专利权人: BASF Aktiengesellschaft
  • 当前专利权人地址: DEX
  • 优先权: DEX2749645 19771105
  • 主分类号: C08G65/38
  • IPC分类号: C08G65/38 C08G65/40
Manufacture of polyethers from bisphenols and dihalides in the absence
of solvent and in the presence of alkali metal carbonate
摘要:
Polyethers are manufactured by polycondensing about equivalent amounts of a bisphenol and of a dihalogen compound in the presence of an anhydrous alkali metal carbonate, in the absence of a solvent or diluent. The polyethers may be used for the manufacture of moldings, fibers, films, adhesives and coating compositions.
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