Polymers bearing pendant aromatic groups

Linear polymers bearing pendant aromatic groups... 

Fahmy MM, Al-Ghamdi RE, Mohamed NA. Synthesis, characterization, and thermal stability of novel wholly para-oriented aromatic poly(ether-amide-hydrazide)s bearing pendant groups and their corresponding poly(ether-amide-l,3,4-oxadiazole)s. Polym Bull 2011 66(5) 609-25. 

F. Sun, T. Wang, S. Yang, L. Fan, Synthesis and characterization of sulfonated polyimides bearing sulfonated aromatic pendant group for DMFC applications. Polymer 51 (17) (2010) 3887-3898. 

Singh et al. [25] reported gas transport properties of aromatic polyisophthalamides based on isophthaloyl chloride derivatives bearing a pendant phenyl group and a hexafluoroisopropylidene linkage in the main chain. The properties of these polymers are compared with the properties of similar polyisophthalamides containing sulfonyl (SO2) rather than hexafluoroisopropylidene linkage in the main... 

Hu, Z., Yin, Y., Chen, S., Yamada, O., Tanaka, K., Kita, H., Okamoto, K.I. (2006) Synthesis and properties of novel sulfonated (co)polyimides bearing sulfonated aromatic pendant groups for PEFC applications. Journal of Polymer Scierwe Part A Polymer... 

Recently, Yashima et al. showed that optically active helical polymers bearing cinchona alkaloid derivatives as the pendant group efficiently catalyze the reaction of nitromethane with electron-poor aromatic aldehydes (up to 87% yield, 94% ee) [14]. Interestingly, these polymers exhibited a higher enantioselectivity than the monomeric chiral units on their own, demonstrating the important role of the induced helical chirality of these polymeric catalysts. 

Scheme 13.2 Selected phosphonated aromatic backbone polymers (a) phospho-nated pol5 aiylene ether),(b) phosphonated poly(phenyl sul-fone), (c) poly(m-phenylene-5-phosphonic acid), (d) PAES with a phosphonic acid group directly attached to the aromatic backbone, (e) methylenephosphonic acid functionalized PAES, (f) PAES with a phosphonated aUgrl chain, (g) PAES bearing a bis(phosphonic acid) on short alkyl chains, and (h) PAES with a pendant phenyl-CF2P03H2 group. ...

Chen S., Kara R., Chen K., Zhang X., Endo N., Higa M., Okamoto K., Wang L., Poly(phenylene) block copolymers bearing tri-sulfonated aromatic pendant groups for polymer electrolyte fuel cell applications. Journal of Materials Chemistry A, 2013, 1(28), 8178-8189. 

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