Laccase-catalyzed poly(ethylene glycol)-templated 'zip' polymerization of caffeic acid for functionalization of wool fabrics

被引：28

作者：

Bai, Rubing ^{[1
,2
]}

Yu, Yuanyuan ^{[1
]}

Wang, Qiang ^{[1
]}

Fan, Xuerong ^{[1
]}

Wang, Ping ^{[1
]}

Yuan, Jiugang ^{[1
]}

Shen, Jinsong ^{[2
]}

机构：

[1] Jiangnan Univ, Minist Educ, Key Lab Sci & Technol Ecotext, Wuxi 214122, Jiangsu, Peoples R China

[2] De Montfort Univ, Sch Design, Text Engn & Mat Res Grp, Leicester LE1 9BH, Leics, England

来源：

JOURNAL OF CLEANER PRODUCTION | 2018年 / 191卷

基金：

中国国家自然科学基金;

关键词：

Poly(ethylene glycol); Enzymatic zip-polymerization; Template; Caffeic acid; Laccase; Wool functionalization; OXIDATIVE POLYMERIZATION; ENZYMATIC-SYNTHESIS; TEMPLATE POLYMERIZATION; ANTIOXIDANT PROPERTIES; PEROXIDASE; PHENOL; WATER; POLYANILINE; SUBSTRATE; POLYMERS;

D O I：

10.1016/j.jclepro.2018.04.213

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A cleaner approach for functionalization of wool fabrics via laccase-catalyzed polymerization of caffeic acid was developed. Caffeic acid was first polymerized to poly(caffeic acid) in the system where poly(ethylene glycol) was used as a template under the catalysis of laccase/O-2. Ultraviolet Visible spectroscopic measurements verified that poly(ethylene glycol) formed a complex with caffeic acid though hydrogen bonds based on the 'zip' mechanism. During the catalysis of caffeic acid by laccase, poly(ethylene glycol) template promoted the enzymatic polymerization in term of the quantity of poly(caffeic acid) and the degree of polymerization. The data obtained from Matrix-Assisted Laser Desorption/lonization Time of Flight Mass Spectrometry and High Performance Liquid Chromatography-Electro Spray Ionization confirmed that poly(ethylene glycol) template aided the arrangement of the caffeic acid monomer, resulting in the increased degree of polymerization of caffeic acid in the laccase-catalyzed reaction. The poly(caffeic acid)/poly(ethylene glycol)-treated wool fabrics were prepared by laccasecatalyzed in-situ polymerization of caffeic acid under the same conditions. The treated wool fabrics showed good wettability and electroactivity. The results from fibre conductivity test and cyclic voltammetry showed that the wool fabric treated with poly(caffeic acid)/poly(ethylene glycol) complex was found to have better electrical conductivity. These data showed that the presence of poly(ethylene glycol) as a template in the laccase-catalyzed polymerization reaction greatly improved the characteristic of poly(caffeic acid). Moreover, higher color depth of poly(caffeic acid)/poly(ethylene glycol) -treated wool fabrics further validated the important role of the poly(ethylene glycol) as a template. (C) 2018 Elsevier Ltd. All rights reserved.

引用

页码：48 / 56

页数：9

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