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Photo-responsive shape memory polymer composites enabled by doping with biomass-derived carbon nanomaterials

文献类型： 外文期刊

作者： Yan, Nina 1 ; Zheng, Zhiyu 1 ; Liu, Yunliang 2 ; Jiang, Xizhi 1 ; Wu, Jiamin 1 ; Feng, Min 1 ; Xu, Lei 1 ; Guan, Qingbao; 1 ;

作者机构： 1.Jiangsu Acad Agr Sci, Inst Agr Facil & Equipment, Key Lab Protected Agr Engn Middle & Lower Reaches, Minist Agr & Rural Affairs, Nanjing 210014, Peoples R China

2.Jiangsu Univ, Inst Energy Res, Sch Chem & Chem Engn, Zhenjiang 212013, Jiangsu, Peoples R China

3.Donghua Univ, State Key Lab Modificat Chem Fibers & Polymer Mat, Int Joint Lab Adv Fiber & Low Dimens Mat, Coll Mat Sci & Engn, Shanghai 201620, Peoples R China

关键词： biomass; carbon nanomaterials; shape memory polymers; thermal responsive; photothermal responsive

期刊名称：NANO RESEARCH （ 影响因子：8.897； 五年影响因子：8.696 ）

ISSN： 1998-0124

年卷期：

页码：

收录情况： SCI

摘要： As photothermal conversion agents, carbon nanomaterials are widely applied in polymers for light-triggered shape memory behaviors on account of their excellent light absorption. However, they are usually derived from non-renewable fossil resources, which go against the demand for sustainable development. Biomass-derived carbon nanomaterials are expected as alternatives if they are designed with good dispersibility as well as splendid photothermal properties. Up to date, very few researches focused on this area. Herein, we report a novel light-triggered shape memory composite by incorporating renewable biomass-derived carbon nanomaterials into acrylate polymers without deep purification and processing. These functionalized carbon nanomaterials not only have stable dispersion in polymers as fillers, but also can endow the polymers with excellent and stable thermal and photothermal responsive properties in biological friendly environment. With the introduction of biomass-derived carbon nanomaterials, the mechanical properties of the composites are also further enhanced with the formation of hydrogen bonding between the carbon nanomaterials and the polymers. Notably, the doping of 1% carbon nanomaterials endows the polymer with sufficient hydrogen bonds that not only exhibit excellent thermal and photothermal responsive properties, but also with enough space for the motion of chains. These properties make such composite a promising and safe candidate for shape memory applications, which provide a new avenue in smart fabrics or intelligent soft robotics.

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