Facile Syntheses of Cucurbit[6]uril-Anchored Polymers and Their Noncovalent Modification

Facile Syntheses of Cucurbit[6]uril-Anchored Polymers and Their Noncovalent Modification
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葫芦[6]脲锚定聚合物的简便合成及其非共价修饰

DOI:
10.1021/ma400017y
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发表时间:
2013-02
期刊:
影响因子:
5.5
通讯作者:
Su, Haiquan
Su, Haiquan
中科院分区:
化学1区
文献类型:
--
作者:
Huang, Xiaoling;Hu, Fanglin;Su, Haiquan

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提出了无需 CB[6] 功能化即可轻松合成 Cucurbit[6]uril-(CB[6]-) 锚定聚合物的一般策略。以丙烯酰胺为典型单体,以过硫酸钾为引发剂和氧化剂,合成了一系列CB[6]锚定聚丙烯酰胺(CB[6]-PAM)。 CB[6]-PAM 样品通过 1H NMR、13C NMR、HMQC、FTIR 和 TGA 进行了表征。研究发现,CB[6]-PAM聚合物的组成和链微观结构可以通过改变过硫酸钾、CB[6]和丙烯酰胺的含量来调节。此外,CB[6]-PAM可以组装成纳米尺寸的囊泡,这一点通过TEM、AFM和SEM测量得到证实。利用 CB[6] 优异的结合亲和力,可以用盐酸丁胺对 CB[6]-PAM 进行修饰。这一结果使得 CB[6] 锚定聚合物在许多应用中具有潜在用途。此外,这种合成方法可以扩展到具有两种不同链的 CB[6] 锚定聚合物。作为一个典型...
The general strategy for facile synthesis of Cucurbit[6]uril- (CB[6]-) anchored polymers without the functionalization of CB[6] was presented. The acrylamide as a typical monomer was used to synthesize a series of CB[6]-anchored polyacrylamides (CB[6]-PAM) using potassium persulfateas as initiator and oxidant. The CB[6]-PAM samples were characterized by 1H NMR, 13C NMR, HMQC, FTIR, and TGA. It was found that the composition and chain microstructure of CB[6]-PAM polymers could be tunable by changing the content of potassium persulfate, CB[6] and acrylamide. In addition, CB[6]-PAM could be assembled into nanosized vesicles, which were confirmed by TEM, AFM, and SEM measurements. By taking advantage of the exceptional binding affinity of the CB[6], the CB[6]-PAM could be modified with butyl amine hydrochloride. The result makes the CB[6]-anchored polymer potentially useful in many applications. Furthermore, this synthetic approach could be extend to CB[6]-anchored polymers with two different chains. As a typ...
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