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首页> 外文期刊>Advanced Functional Materials >Adaptive lonogel Paint from Room-Temperature Autonomous Polymerization of α-Thioctic Acid for Stretchable and Healable Electronics
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Adaptive lonogel Paint from Room-Temperature Autonomous Polymerization of α-Thioctic Acid for Stretchable and Healable Electronics

机译：从室温自主聚合的Adapative Lonogel涂料α-噻料酸的可拉伸和可康复的电子产品

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摘要

Development of a universal stretchable ionic conductor coating on insulating substrates, irrespective of surface chemistry and substrate shapes, is of immense interest for compliant and integrative large-area electronics but has proved to be extremely challenging. Existing methods relying either on the concurrent deposition of polymerizing precursors or on divided formulation and painting processes both suffer from several limitations in terms of adhesion, dehydration, processability, and surface pre-treatment. Here an ionogel paint that is readily prepared from the concentration-induced autonomous ring-opening polymerization of a natural small molecule-alpha-thioctic acid (TA) at ambient conditions is reported. The presence of ionic liquid prevents polyTA from further depolymerization via forming COOH center dot center dot center dot O(sic)S hydrogen bonds, resulting in ultra-stretchable ionogels with widely tunable mechanical and conductive properties, self-healability, as well as tissue-like strain adaptability. Moreover, owing to its universal adhesion and adjustable rheology, the ionogel paint can be directly coated on diverse substrates with arbitrary shapes (including porous materials, 3D printed frames, and elastic threads) to render them ionic conductivity. Applications of the ionogel-coated substrates as skin-like highly sensitive and durable large-strain sensors are further demonstrated, suggesting the ionogel paint's great potential in the emerging soft and stretchable electronics.
机译：在绝缘基板上的通用可伸缩离子导体涂层的研制，无论表面化学和基底形状如何，对于柔顺和综合的大面积电子器件而言是巨大的兴趣，但已经被证明是非常具有挑战性的。依赖于聚合前体或分割配方和涂漆过程的并发沉积的现有方法既患有粘附，脱水，加工性和表面预处理方面的若干限制。这里，报道了一种离子凝胶涂料，其易于在环境条件下由浓度诱导的自然小分子-α-硫醇（TA）的自主开环聚合的浓度诱导的自主开环聚合。离子液体的存在防止多元通过形成COOH中心点中心点中心点O（SiC）S氢键，导致超伸缩的离子凝胶，具有广泛可调的机械和导电性能，自我康复性以及组织 - 像应变适应性。此外，由于其通用粘附性和可调节的流变学，IONOGEL涂料可以直接涂覆在不同的基板上，这些基板具有任意形状（包括多孔材料，3D印刷框架和弹性螺纹），以使它们具有离子电导率。 IONOGEL涂覆的基材的应用进一步说明了皮肤的高敏感和耐用的大应变传感器，表明IONOGEL涂料在新出现的柔软和可拉伸电子器件中的巨大潜力。

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  • 来源
    《Advanced Functional Materials》 |2021年第24期|2101494.1-2101494.11|共11页
  • 作者

    Wang Yingjie; Sun Shengtong; Wu Peiyi;

  • 作者单位

    Donghua Univ Ctr Adv Low Dimens Mat Coll Chem Chem Engn & Biotechnol State Key Lab Modificat Chem Fibers & Polymer Mat Shanghai 201620 Peoples R China;

    Donghua Univ Ctr Adv Low Dimens Mat Coll Chem Chem Engn & Biotechnol State Key Lab Modificat Chem Fibers & Polymer Mat Shanghai 201620 Peoples R China;

    Donghua Univ Ctr Adv Low Dimens Mat Coll Chem Chem Engn & Biotechnol State Key Lab Modificat Chem Fibers & Polymer Mat Shanghai 201620 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    #945; #8208; thioctic acid; functional coating; self#8208; healable; strain#8208; adaptive; stretchable ionic conductors;

    机译：＆＃945;＆＃8208;噻吨酸;功能涂层;自我＆＃8208;愈合;应变＆＃8208;自适应;可伸缩的离子导体;

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