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Issue 10, 2015
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New polymethylene-based AB2 star copolymers synthesized via a combination of polyhomologation of ylides and atom transfer radical polymerization

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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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Publication details

The article was received on 13 Nov 2014, accepted on 16 Dec 2014 and first published on 16 Dec 2014


Article type: Paper
DOI: 10.1039/C4RA14504F
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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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