This mode of benzenoid synthesis is presented in the first part of this chapter.

这种合成苯衍生物的方法，将在本章第一部分介绍。

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Method for preparing 1, 4-di (2, 4-diamino phenoxy) benzenoid form polyimide film for flexible copper clad plate.

柔性覆铜板用1,4 -双(2,4 -二氨基苯氧基)苯型聚酰亚胺薄膜的制备方法。

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The products with higher conductivity are mainly 1, 4-connected head-to-tail chain structure, both benzenoid and quinoid units exist in the polymer chain.

具有较高电导的产物的链结构主要是1,4 -连接的头尾结构，链上同时存在苯式及醌式两种结构单元。

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