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Polymers 2016, 8(2), 40; doi:10.3390/polym8020040

Synthesis of Polyaniline (PANI) in Nano-Reaction Field of Cellulose Nanofiber (CNF), and Carbonization

1
Division of Materials Science, Faculty of Pure and Applied Sciences, University of Tsukuba, Tsukuba Ibaraki 305-8573, Japan
2
Forestry and Forest Products Research Institute, Tsukuba Ibaraki 305-8687, Japan
*
Authors to whom correspondence should be addressed.
Academic Editor: Changsik Song
Received: 7 January 2016 / Revised: 23 January 2016 / Accepted: 28 January 2016 / Published: 2 February 2016
(This article belongs to the Special Issue Conductive Polymers 2016)
View Full-Text   |   Download PDF [6893 KB, uploaded 2 February 2016]   |  

Abstract

Polymerization of aniline in the presence of cellulose nano-fiber (CNF) is carried out. We used dried CNF, CNF suspension, and CNF treated by enzyme and ultra-sonification to obtain polyaniline (PANI)/CNF as a synthetic polymer/natural nano-polymer composite. The polymerization proceeds on the surface of CNF as a nano-reaction field. Resultant composites show extended effective π-conjugation length because CNF as a reaction field in molecular level produced polymer with expanded coil structure with an aid of orientation effect of CNF. Possibility of PANI β-pleats structure in molecular level of PANI on the CNF is also discussed. SEM observation showed that fine structure is easily obtained by combining PANI with CNF. Carbonization of PANI/CNF allows production of nano-fine form with shape preserved carbonization (SPC). View Full-Text
Keywords: cellulose nano-fiber; ESR; enzyme; polyaniline; solid state NMR; shape preserved carbonization (SPC) cellulose nano-fiber; ESR; enzyme; polyaniline; solid state NMR; shape preserved carbonization (SPC)
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Kaitsuka, Y.; Hayashi, N.; Shimokawa, T.; Togawa, E.; Goto, H. Synthesis of Polyaniline (PANI) in Nano-Reaction Field of Cellulose Nanofiber (CNF), and Carbonization. Polymers 2016, 8, 40.

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