Photo-responsive Behaviors of Hydrogen-Bonded Polymer Complex Fibers Containing Azobenzene Functional Groups

被引：29
|
作者：
Zhu, Miaomiao [1 ]
Wang, Weijie [1 ]
Zhang, Caihong [1 ]
Zhu, Liping [1 ]
Yang, Shuguang [1 ]
机构：
[1] Donghua Univ, State Key Lab Modificat Chem Fibers & Polymer Mat, Ctr Adv Low Dimens Mat, Coll Mat Sci & Engn, Shanghai 201620, Peoples R China
来源：
ADVANCED FIBER MATERIALS | 2021年 / 3卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Photo actuator; Photomechanical; Optomechanical; Polymer complex; Azobenzene; LIGHT; ELASTICITY; CONVERSION; OXIDE); FILM;
D O I：
10.1007/s42765-021-00080-0
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Two azobenzene compounds, Disperse Red 1 (DR1) and 4-aminoazobenzene (Aazo), were separately linked to poly(acrylic acid) (PAA) side chains to form PAA-DR1 and PAA-Aazo, which were then associated with poly(ethylene oxide) (PEO) to produce hydrogen-bonded polymer complex fibers. After UV irradiation, the initial modulus and yielding strength of PAA-Aazo/PEO fiber were both increased tremendously, while the mechanical properties of PAA-DR1/PEO fiber only slightly changed. After drawn and dried in vacuum, PAA-DR1/PEO and PAA-Aazo/PEO fibers with an extended length exhibited a contraction of 20% and 25% under UV irradiation, showing potential for photo-actuation.
引用
收藏
页码：172 / 179
页数：8
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