发明名称 |
Process for the preparation of polycarbonates |
摘要 |
A process for the preparation of a polycarbonate comprising reacting a diaryl carbonate with a bisphenol to produce a polycarbonate and a phenol, regenerating the diaryl carbonate by reacting the phenol byproduct with a carbonyl halide, and optionally recycling the hydrogen halide using a metal Redox captive halogen swing reactor system.
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申请公布号 |
US5336750(A) |
申请公布日期 |
1994.08.09 |
申请号 |
US19930020502 |
申请日期 |
1993.02.22 |
申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
TUINSTRA, HENDRIK E.;MYERS, HAROLD D. |
分类号 |
C08G64/22;C08G64/30;C08G64/40;(IPC1-7):C08G64/24 |
主分类号 |
C08G64/22 |
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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