发明名称 |
PROCESS TO PREPARE HIGH HEAT POLYCARBONATES |
摘要 |
A catalyzed interfacial phosgenation process with controlled feed ratios and controlled reaction pH levels allows for the formation of high heat polycarbonate random copolymers having high loadings of bis (4-hydroxyphenyl)-2-phenylisoindolin-1-one (“PPPBP”) or a structurally related comonomer. The process produces a polycarbonate copolymer having improved hydrolytic stability. |
申请公布号 |
EP3052543(A1) |
申请公布日期 |
2016.08.10 |
申请号 |
EP20140786402 |
申请日期 |
2014.09.30 |
申请人 |
SABIC GLOBAL TECHNOLOGIES B.V. |
发明人 |
MAHOOD, JAMES ALAN;GAUTAM, PANKAJ SINGH |
分类号 |
C08G64/12;C08G64/24 |
主分类号 |
C08G64/12 |
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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