| 发明名称 |
Approach to reduce cyclics formation in 3-CIPA based polyetherimide polymers |
| 摘要 |
Methods of reducing the amount of undesirable cyclic oligomer by-products in the production of polyetherimides are disclosed. The resulting polyetherimides have enhanced thermomechanical properties.
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| 申请公布号 |
US6919418(B2) |
申请公布日期 |
2005.07.19 |
| 申请号 |
US20030647679 |
申请日期 |
2003.08.25 |
| 申请人 |
KHOURI FARID FOUAD;BRUNELLE DANIEL JOSEPH;JOHNSON DONALD SCOTT |
发明人 |
KHOURI FARID FOUAD;BRUNELLE DANIEL JOSEPH;JOHNSON DONALD SCOTT |
| 分类号 |
C07D209/48;C08G73/12;(IPC1-7):C08G73/10;C08G69/26;C08G65/40;C07D209/00 |
主分类号 |
C07D209/48 |
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