Synthesis of Polyaniline PANI in Nano-Reaction Field of Cellulose Nanofiber CNF, and CarbonizationReport as inadecuate




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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





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Authors to whom correspondence should be addressed.



Academic Editor: Changsik Song

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





Author: Yuki Kaitsuka 1, Noriko Hayashi 2,* , Tomoko Shimokawa 2, Eiji Togawa 2 and Hiromasa Goto 1,*

Source: http://mdpi.com/



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