Convenient Method of Chain‐Growth Polycondensation for Well‐Defined Aromatic Polyamides
Convenient Method of Chain‐Growth Polycondensation for Well‐Defined Aromatic Polyamides
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DOI：
10.1002/marc.200500109
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发表时间：
2005-06
影响因子：
4.6
通讯作者：
T. Yokozawa;Daichi Muroya;Ryuji Sugi;A. Yokoyama
中科院分区：
文献类型：
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作者：
T. Yokozawa;Daichi Muroya;Ryuji Sugi;A. Yokoyama
为了方便地合成低分散性的聚N-辛基对苯甲酰胺，研究了对辛氨基苯甲酸甲酯（1）的缩聚反应。甲酯单体1与1，1，1，3，3，3-六甲基二硅基氨基锂（LHMDS）在引发剂存在下在四氢呋喃中在-10 °C下聚合。用NaOH水溶液简单处理反应混合物，然后蒸发，得到具有确定分子量和低多分散性的高纯聚酰胺。
For the convenient synthesis of well-defined poly (N-octyl-p-benzamide)s with low polydispersities, the polycondensation of methyl 4-octylaminobenzoate (1) was investigated. Methyl ester monomer 1 polymerized with lithium 1,1,1,3,3,3-hexamethyldisilazide (LHMDS) in the presence of an initiator in tetrahydrofuan at - 10 °C. The highly pure polyamide with a defined molecular weigth and a low polydispersity is obtained after simple treatment of the reaction mixture with aqueous NaOH solution, followed by evaporation.