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A facile method to fabricate carbon nanostructures via the self-assembly of polyacrylonitrile/poly (methyl methacrylate-b-polyacrylonitrile) AB/B' type block copolymer/homopolymer blends

Palanisamy, A., Salim, N.V., Fox, B.L., Jyotishkumar, P., Pradeep, T. and Hameed, N. 2016, A facile method to fabricate carbon nanostructures via the self-assembly of polyacrylonitrile/poly (methyl methacrylate-b-polyacrylonitrile) AB/B' type block copolymer/homopolymer blends, RSC advances, vol. 6, pp. 55792-55799.

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Title A facile method to fabricate carbon nanostructures via the self-assembly of polyacrylonitrile/poly (methyl methacrylate-b-polyacrylonitrile) AB/B' type block copolymer/homopolymer blends
Author(s) Palanisamy, A.
Salim, N.V.
Fox, B.L.
Jyotishkumar, P.
Pradeep, T.
Hameed, N.
Journal name RSC advances
Volume number 6
Start page 55792
End page 55799
Total pages 7
Publisher Royal Society of Chemistry
Place of publication London, Eng.
Publication date 2016
ISSN 2046-2069
Summary The self-assembly and high temperature behavior of AB/B′ type block copolymer/homopolymer blends containing polyacrylonitrile (PAN) polymers were studied for the first time. Here, microphase separated nanostructures were formed in the poly(methyl methacrylate-b-polyacrylonitrile) (PMMAN) block copolymer and their blends with homopolymer PAN at various blend ratios. Additionally, these nanostructures were transformed into porous carbon nanostructures by sacrificing PMMA blocks via pyrolysis. Spherical and worm like morphologies were observed in both TEM and AFM images at different compositions. The thermal and phase behavior examinations showed good compatibility between the blend components in all studied compositions. The PAN homopolymer (B′) with a comparatively higher molecular weight than the corresponding block (B) of the block copolymer is expected to exhibit ‘dry brush’ behavior in this AB/B′ type system. This study provides a basic understanding of the miscibility and phase separation in the PMMAN/PAN system, which is important in the nanostructure formation of bulk PAN based materials with the help of block copolymers to develop advanced functional materials.
Language eng
Field of Research 091209 Polymers and Plastics
091202 Composite and Hybrid Materials
Socio Economic Objective 860606 Plastics in Primary Forms
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, Royal Society of Chemistry
Persistent URL http://hdl.handle.net/10536/DRO/DU:30084159

Document type: Journal Article
Collection: Institute for Frontier Materials
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