NDLI: Kraft lignin and silica as precursors of advanced composite materials and electroactive blends

Content Provider	Springer Nature Link
Author	Jesiowski, Teofil Klapiszewski, Łukasz Milczarek, Grzegorz
Copyright Year	2013
Abstract	In this study, advanced multifunctional silica/lignin composite materials have been prepared. The main focus of this study includes the chemical modification of Kraft lignin, and its interaction with silica matrix, thereby providing the possibility of applying the obtained systems in a number of areas, including electrochemistry. Analysis of dispersive–morphological properties revealed that the samples containing 10–20 parts by weight of lignin had the best parameters. The elemental analysis of the final composites, thus, obtained indicated an increase in the contents of carbon, hydrogen and sulphur with increasing quantity of lignin used. Spectrophotometric evaluation of the products obtained, proves the successful synthesis of silica/lignin composites which is manifested by the presence of characteristic bands of appropriate functional groups. The increasing intensity of these bands with increasing content of lignin in the silica matrix conforms entirely with the expectations. Thus, obtained composite powders were blended with multiwalled carbon nanotubes at the mass ratio of 1:2 with the aid of ultrasound. The blends were cast-deposited on glassy carbon electrode and the electrochemical activity was assessed by cyclic voltammetry. It revealed the presence of a redox system assigned to lignin-derived quinone/hydroquinone couple.
Starting Page	1376
Ending Page	1385
Page Count	10
File Format	PDF
ISSN	00222461
Journal	Journal of Materials Science
Volume Number	49
Issue Number	3
e-ISSN	15734803
Language	English
Publisher	Springer US
Publisher Date	2013-10-23
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Materials Science Characterization and Evaluation of Materials Polymer Sciences Continuum Mechanics and Mechanics of Materials Crystallography Mechanics
Content Type	Text
Resource Type	Article
Subject	Ceramics and Composites Mechanics of Materials Mechanical Engineering Polymers and Plastics

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