申请人:The United States of America as represented by the Secretary of the Air
公开号:US03966729A1
公开(公告)日:1976-06-29
An aromatic bis(o-diamine) is reacted with an aromatic bisbenzil to provide a benzil end-capped quinoxaline oligomer which is then reacted with 4-(3-ethynylphenoxy)orthophenylene diamine to give an ethynyl terminated polyquinoxaline. Because the polyquinoxalines can be cured to provide thermally stable polymer compositions having superior mechanical properties, the compositions are particularly suitable for use in the fabrication of reinforced composite structures.
一种芳香族双(邻二胺)与芳香族双苯甲酮反应,形成苯甲酮端基的喹噁啉寡聚体,然后与4-(3-乙炔基苯氧基)邻苯二胺反应,形成乙炔端基的聚喹噁啉。由于聚喹噁啉可以固化成具有优异机械性能的热稳定聚合物组合物,因此这些组合物特别适用于制造加强复合结构。