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Pd(OAc)_2/DABCO催化体系在聚-9,9-二辛基芴合成中的应用 被引量：6

Pd(OAc)_2/DABCO-catalyst system in the polymerization of 9,9-dioctylfluorene
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摘要 以Pd(OAc)2/DABCO(三乙烯二胺)组成催化体系,运用Suzuki偶合法成功合成出聚-9,9-二辛基芴。结果表明,配体的用量、溶剂及弱碱的种类对反应的聚合度都有一定的影响。当催化剂与配体的摩尔比为1∶12,以甲苯和DMF为溶剂且体积比为1∶1,再以碳酸钾为弱碱,于110℃条件下反应12h可以得到高分子量的目标聚合物。 Poly（9,9-dioctyl fluorine）（PF8） was successfully synthesized using a new catalyst system composed of palladium acetate [Pd（OAc）2] and triethylenediamine（DABCO） through Suzuki coupling.The experiment results showed that the amount of ligand,the kinds of solvents and weak bases had a great impacts on the degree of polymerization of PF8.The target polymer with high molecular weight was obtained,under following polymerization conditions： molar ratio of the Pd（OAc）2 to DABCO was 1∶12;toluene and DMF as solvents and their volume ratio was 1 ： 1, potassium carbonate as a weak base at 110℃ for 12 hours.
作者 方志国 李坚 张杰
机构地区 江苏工业学院材料科学与工程学院
出处 《化工新型材料》 CAS CSCD 北大核心 2009年第11期113-116,共4页 New Chemical Materials
关键词 聚芴 DABCO 膦配体 醋酸钯 polyfluorene DABCO phosphine ligand palladium acetate
分类号 O631.3 [理学—高分子化学]
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参考文献13

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共引文献14

同被引文献21

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引证文献6

二级引证文献4

化工新型材料
2009年 第11期

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