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Laccase‐catalyzed synthesis of conducting polyaniline‐lignosulfonate composite

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Zhang, Ya, Dong, Aixue, Fan, Xuerong, Wang, Qiang, Zhang, Ying, Yu, Yuanyuan, Cavaco‐Paulo, Artur·2016·Journal of Applied Polymer Science

Abstract

Enzymatic polymerization of aniline was first performed in lignosulfonate (LGS) template system. High‐redox‐potential catalyst laccase, isolated from Aspergillus, was used as a biocatalyst in the synthesis of conducting polyaniline/lignosulfonate (PANI‐ES‐LGS) complex using atmospheric oxygen as the oxidizing agent. The linear templates (LGS), also serving as the dopants, could facilitate the directional alignment of the monomer and improve the solubility of the conducting polymer. The process of the polymerization was monitored using UV‐Vis spectroscopy, by which the conditions for laccase‐catalyzed synthesis of PANI‐ES‐LGS complex were also optimized. The structure characterizations and solubility of the complex were carried out using corresponding characterization techniques respectively. The PANI‐ES‐LGS suspensions obtained was used as coating for cotton with a conventional padder to explore the applications of the complex. The variable optoelectronic properties of the coated cotton were confirmed by cyclic voltammetry and color strength test. The molecular weight changes of LGS treated by laccase were also studied to discuss the mechanism of laccase catalyzed aniline polymerization in LGS template system. © 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016, 133, 42941.

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Metadata

Authors
Zhang, Y., Dong, A., Fan, X., Wang, Q., Zhang, Y., Yu, Y., & Cavaco‐Paulo, A.
Venue
Journal of Applied Polymer Science
Publisher
Wiley
Published
2015-09-29
Volume
133
Issue
5
ISSN
  • 0021-8995 (ISSN-L)
  • 1097-4628
OpenAlex
W2147548371
Cited by
165
References
0
FWCI
12.90
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Laccase‐catalyzed synthesis of conducting polyaniline‐lignosulfonate composite. https://app.cochat.ai/papers/10.1002/app.42941
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Zhang, Y., Dong, A., Fan, X., Wang, Q., Zhang, Y., Yu, Y., & Cavaco‐Paulo, A. (2016). Laccase‐catalyzed synthesis of conducting polyaniline‐lignosulfonate composite. Journal of Applied Polymer Science. https://doi.org/10.1002/app.42941

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