| 摘要 |
Fiber or films of (Co)polyazomethines consisted of I and II, wherein unit I and II are present in supstantially equimolar amounts; Z1 and Z2, which may be the same or different are selected from the hydrogen atom or a methyl or ethyl radical; and R1 and R2 are radicals selected from the group of single and fused 6-membered carbocylic ring system.
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