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采用脱氯化氢法，从１，４－双氯甲基－２，５－二甲基苯（ＢＣＭＤＭＢ）和１，４－双氯甲基－２－甲氧基－５－己氧基苯（ＢＣＭ－ＭＯＨＯＢ）分别合成出了聚（２，５－二甲基）对苯乙炔和聚（２，５－己氧基）对苯乙炔；并对ＢＣＭＤＭＢ和ＢＣＭＭＯＨＯＢ的共聚进行了研究。结果表明，随着单体摩尔比率Ｒ（Ｒ＝ＢＣＭＤＭＢ＼ＢＣＭＭＯＨＯＢ）的减小，共聚物的溶解性能增大，当Ｒ＝２＼９时，共聚物在室温下可溶于氯仿中，成膜性能良好。对共聚物结构进行了红外光谱和核磁共振谱表征
Hydrochloric acid was extracted from 1,4-bischloromethyl-2,5-dimethylbenzene (BCMDMB) and 1,4-dichloromethyl-2-methoxy-5-hexyloxybenzene -MOHOB) were synthesized poly (2,5-dimethyl) p-phenylacetylene and poly (2,5-hexyloxy) p-phenylacetylene; and BCMDMB and BCMMOHOB copolymerization were studied. The results show that with the decrease of monomer molar ratio R (R = BCMDMB BCMMOHOB), the solubility of the copolymer increases. When R = 2 9, the copolymer is soluble in chloroform at room temperature, Good performance. The copolymer structure was characterized by IR and NMR