发明授权
- 专利标题: Cyclopentadiene-containing cyclic polycarbonate oligomer
- 专利标题(中): 含环戊二烯的环状聚碳酸酯低聚物
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申请号: US133854申请日: 1987-12-16
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公开(公告)号: US4855380A公开(公告)日: 1989-08-08
- 发明人: Christopher M. Hawkins , Edgar E. Bostick
- 申请人: Christopher M. Hawkins , Edgar E. Bostick
- 申请人地址: IN Mt. Vernon
- 专利权人: General Electric Company
- 当前专利权人: General Electric Company
- 当前专利权人地址: IN Mt. Vernon
- 主分类号: C07C68/06
- IPC分类号: C07C68/06 ; C07C69/96 ; C08G64/00 ; C08G64/16 ; C08G64/20 ; C08G64/38 ; C08G64/42
摘要:
Novel linear aromatic polycarbonate oligomers that contain one or more dicyclopentadiene dicarboxylate diradicals are described. These oligomers are prepared by the reaction of a cyclic aromatic polycarbonate oligomer with an alkali metal or magensium salt of a cyclopentadiene.
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