Bio-Inspired Coloring and Functionalization of Silk Fabric via Laccase-Catalyzed Graft Polymerization of Arylamines 


Vol. 21,  No. 9, pp. 1927-1937, Sep.  2020
10.1007/s12221-020-1044-9


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  Abstract

Generally, dyeing and finishing of Bombyx mori silk fibers were proceeded at high temperature, which has the disadvantages of overmuch energy-consumptions. In the present work, bio-inspired in situ coloring and functionalization of silk fabric were carried out via laccase-catalyzed graft polymerization of arylamines, including aniline (ANI) and pphenylenediamine (PPD). p-Hydroxyphenylacetamide (PHAD) as the model compound of tyrosine residues in silk fibroin (SF) was used to explore the mechanism of graft polymerization by means of MALDI-TOF MS. The actions of the dopants of sodium dodecyl benzene sulfonate (SDBS) and sodium p-aminobenzenesulfonate (ABSA) on the enzymatic treatment were also concerned. The results indicated that laccase might initiate the self-polymerizations of ANI and PPD, respectively, and formed the copolymers of arylamine and PHAD subsequently. High color depth and color fastness were obtained after incubation silk fabric with laccase and arylamines, companying with a noticeable pH-responsiveness. The laccase-mediated treatment endowed silk fabric with antibacterial and antioxidant abilities, meanwhile, the addition of dopants of SDBS and ABSA promoted the enzymatic finishing. Enzymatic graft polymerization of arylamine onto silk fibroin provides a novel approach for dyeing and functionalization of silk fabrics under mild treating conditions.

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  Cite this article

[IEEE Style]

Y. Nong, Z. Zhou, J. Yuan, P. Wang, Y. Yu, Q. Wang, X. Fan, "Bio-Inspired Coloring and Functionalization of Silk Fabric via Laccase-Catalyzed Graft Polymerization of Arylamines," Fibers and Polymers, vol. 21, no. 9, pp. 1927-1937, 2020. DOI: 10.1007/s12221-020-1044-9.

[ACM Style]

Yelin Nong, Zhou Zhou, Jiugang Yuan, Ping Wang, Yuanyuan Yu, Qiang Wang, and Xuerong Fan. 2020. Bio-Inspired Coloring and Functionalization of Silk Fabric via Laccase-Catalyzed Graft Polymerization of Arylamines. Fibers and Polymers, 21, 9, (2020), 1927-1937. DOI: 10.1007/s12221-020-1044-9.

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pISSN : 1229 - 9197
eISSN : 1875 - 0052

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