3 years ago

Facile Polymerization of Water and Triple-Bond Based Monomers toward Functional Polyamides

Facile Polymerization of Water and Triple-Bond Based Monomers toward Functional Polyamides
Ben Zhong Tang, Anjun Qin, Jie Zhang, Yong Liu, Jing Zhi Sun, Wenjie Wang
Water is an abundant, natural, and sustainable resource. However, it has not been used as a monomer for the construction of polymers. In this paper, we take this challenge and develop a new polymerization of water and triple-bond based monomers of isocyanides and bromoalkynes, and polyamides with high molecular weights (up to 41 700) and stereoregularities (the fraction of Z-isomer generally higher than 80%) are obtained in excellent yields (up to 98.1%) under mild reaction conditions. The polymers possess good solubility and exhibit high thermal stability and refractive index. The tetraphenylethene-containing polymers show the unique aggregation-enhanced emission (AEE) characteristics. Moreover, thanks to their containing bromoacrylamide groups in the main chains, these polyamides could be easily postmodified through different reactions, providing a convenient platform for polymer functionalization. Thus, this work not only established a stereoselective polymerization of water and triple-bond based monomers but also provided a powerful strategy for the preparation of functional polyamides under mild reaction conditions.

Publisher URL: http://dx.doi.org/10.1021/acs.macromol.7b01592

DOI: 10.1021/acs.macromol.7b01592

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