IRES: Responsive Fibers

IRES：响应纤维

• 批准号: 1259419
• 负责人: Antal Jakli
• 金额: $ 19.09万
• 依托单位: Kent State University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2013
• 资助国家: 美国
• 起止时间: 2013-06-15 至 2017-12-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1259419&HistoricalAwards=false
• 关键词: IRES; Responsive; Fibers

Technical AbstractThe potential technologies enabled by advanced fiber materials are countless, ranging from better body armor to artificial neurons to instantaneously drying raincoats. Electro-optical and electro-mechanical responses of the filamentous materials offer flexible and wearable displays and hold the promise for an entirely new class of artificial muscles and/or strain sensors. The goal of this project is to incorporate two important functionalities into fibers: electro-optics and electro-mechanical couplings. This will be achieved by three different approaches. (i) Incorporate liquid crystals and functional nanoparticles in electrospun polymer fibers in coaxial and tri-axial configurations; (ii) Draw stable free-standing fluid fibers from low molecular weight bent-core liquid crystals and study their mechanical and optical properties; (iii) Study both electrospun and self assembling liquid crystal polymer fibers in their pure form, with functional nanoparticles and in UV-induced cross-linked elastomer forms. Students will learn about coaxial and double coaxial electrospinning techniques, optical wave-guiding, nanoparticle preparations, and polymerization processes. They will acquire various characterization methods, such as polarizing optical microscopy, Scanning and Transmission Electron Microscopy and high-speed camera photography. Non-technical AbstractOur body is soft, stretchable and curved, but the present electronics are rigid, heavy and breakable. Making electronics flexible, stretchable, lightweight, rugged and wearable is an emerging and transformative direction for research. In this three years project 24 US students will work either in Suwon, South Korea or Magdeburg, Germany to combine liquid crystals and polymers to make responsive smart fibers. During their work abroad the students will learn cutting edge new technologies involving sophisticated experimental techniques probing fiber properties, such as stability, strength, flexibility, optical and mechanical sensitivity to electric fields. The students will also learn how to collaborate at international scientific level, will appreciate the culture of foreign countries, and will represent the greatest features of the American culture abroad. This way we will educate global scientists, who will be able to compete in the international science market.

技术摘要通过高级纤维材料启用的潜在技术是无数的，从更好的身体装甲到人造神经元到即时干燥雨衣。丝状材料的电流和电力反应提供灵活和可穿戴的显示器，并承诺对全新的人造肌肉和/或应变传感器持希望。该项目的目的是将两个重要功能纳入纤维：电气和机械耦合。这将通过三种不同的方法来实现。 （i）将液晶和功能性纳米颗粒纳入同轴和三轴构型中的电纺聚合物纤维中； （ii）从低分子量弯曲液体晶体的稳定的独立式流体纤维中，研究其机械和光学特性； （iii）研究电纺和自组装的液晶聚合物纤维，其纯形式，功能性纳米颗粒以及紫外线诱导的交联弹性体形式。 学生将了解同轴和双轴静电纺丝技术，光波引导，纳米颗粒制剂和聚合过程。他们将获取各种表征方法，例如偏振光学显微镜，扫描和透射电子显微镜以及高速相机摄影。使电子设备灵活，可拉伸，轻巧，坚固和可穿戴是一个新兴和变革性的研究方向。在这三年中，美国24名美国学生将在韩国Suwon或德国Magdeburg工作，以结合液晶和聚合物，以制成响应式智能纤维。在国外工作期间，学生将学习涉及探测纤维特性的复杂实验技术的尖端新技术，例如稳定性，强度，灵活性，光学，光学和机械敏感性。学生还将学习如何在国际科学一级进行合作，将欣赏国外文化，并代表国外美国文化的最大特征。 这样，我们将教育全球科学家，他们将能够在国际科学市场上竞争。