Issue 10, 2015
From the journal:

RSC Advances

New polymethylene-based AB2 star copolymers synthesized via a combination of polyhomologation of ylides and atom transfer radical polymerization

Yang Xue,ab   Shuang-Shuang Zhang,ab   Kun Cui,a   Jin Huang,a   Qiao-Ling Zhao,a   Ping Lan,c   Shao-Kui Caob  and  Zhi Ma*a  

* Corresponding authors

a Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, P. R. China
E-mail: mazhi728@sioc.ac.cn

b School of Materials and Engineering, Zhengzhou University, Zhengzhou, P. R. China

c Jiaxing University, Jiaxing, P. R. China

Abstract

New polymethylene-based AB2 star polymers with well-defined architecture and various components were synthesized using a combination of polyhomologation of ylides and atomic transfer radical polymerization (ATRP). The chain structures of polymethylene-b-(polystyrene)2 (PM-b-(PS)2) and polymethylene-b-(poly(methyl methacrylate))2 (PM-b-(PMMA)2) were characterized through 1H NMR, GPC and FT-IR. The porous films of such star copolymers were fabricated via a static breath-figure (BF) process. The influence of polymer molecular weight, solution concentration and environmental temperature on the morphology of such block copolymer films was investigated. The porous surface of such a film presents hydrophobic behaviour with a static water-droplet contact angle of ca. 108°. The electrospinning of PM-b-(PS)2 was performed using CHCl3 as a solvent and the wrinkle-like polymer particles with nanopores on their surface were obtained.

Graphical abstract: New polymethylene-based AB2 star copolymers synthesized via a combination of polyhomologation of ylides and atom transfer radical polymerization

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Article information

DOI
https://doi.org/10.1039/C4RA14504F
Article type
Paper
Submitted
13 Nov 2014
Accepted
16 Dec 2014
First published
16 Dec 2014

RSC Adv., 2015,5, 7090-7097

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New polymethylene-based AB2 star copolymers synthesized via a combination of polyhomologation of ylides and atom transfer radical polymerization

Y. Xue, S. Zhang, K. Cui, J. Huang, Q. Zhao, P. Lan, S. Cao and Z. Ma, RSC Adv., 2015, 5, 7090 DOI: 10.1039/C4RA14504F

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