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公开(公告)号:US07193030B2
公开(公告)日:2007-03-20
申请号:US10868799
申请日:2004-06-17
IPC分类号: C08G73/10 , C08G65/331 , C08G65/332
CPC分类号: C08F283/04 , C07C65/24 , C08G73/1053 , Y10T428/1023
摘要: An acid anhydride of the formula (4), and a polyimide using the acid anhydride, wherein anhydrides are substituted at sites 3 or sites 4, which acid anhydride is obtained from, as a raw material, a bifunctional phenylene ether oligomer having a number average molecular weight of 500 to 3,000, represented by the formula (1).
摘要翻译: 式(4)的酸酐和使用酸酐的聚酰亚胺,其中酸酐在位置3或位置4处被取代,该酸酐作为原料获得具有数均分子量的双官能苯醚低聚物 分子量为500〜3000,由式(1)表示。