Benzocyclobutene-terminated polymides
    1.
    发明授权
    Benzocyclobutene-terminated polymides 失效
    苯并环丁烯封端的聚酰亚胺

    公开(公告)号:US5464925A

    公开(公告)日:1995-11-07

    申请号:US248906

    申请日:1994-05-25

    IPC分类号: C07D209/48 C08G73/10

    CPC分类号: C07D209/48 C08G73/101

    摘要: The present invention is an oligomer represented by the formula: ##STR1## wherein X is a moiety selected from the group consisting of: ##STR2## where each Y is independently S, O, CH.sub.2, C.dbd.O, CH.sub.3 --C--CH.sub.3, O.dbd.S.dbd.O, or CF.sub.3 --C--CF.sub.3.In another aspect, the present invention is a polymer of the above-described oligomer.

    摘要翻译: 本发明是由下式表示的低聚物:其中X是选自下组的部分:其中每个Y独立地为S, O,CH2,C = O,CH3-C-CH3,O = S = O或CF3-C-CF3。 另一方面,本发明是上述低聚物的聚合物。