echemi logo
Product
  • Product
  • Supplier
  • Inquiry
    Home > Chemicals Industry > New Chemical Materials > The Institute of Mechanics and others have prepared a multi-scale spiral structure of conductive materials/polymer composite materials

    The Institute of Mechanics and others have prepared a multi-scale spiral structure of conductive materials/polymer composite materials

    • Last Update: 2022-06-12
    • Source: Internet
    • Author: User
    Search more information of high quality chemicals, good prices and reliable suppliers, visit www.echemi.com
    Flexible wearable electronic devices have the characteristics of light weight, strong deformability, and easy integration into wearable clothing, and have application prospects in the fields of medical treatment, health, human-computer interaction, and soft robots
    .
    Improving the deformability of conductors and sensors and ensuring their excellent electrical performance are key issues in this field

    .
    ? The flexible materials, structure and device mechanics group of the State Key Laboratory of Nonlinear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, and Beihang University have designed and prepared conductive materials with multi-scale spiral structure, large deformation capacity and high stability ( Carbon nanotubes (CNTs)/polymer (polyurethane PU) composite materials

    .
    The research proved theoretically and experimentally that the coupling effect of micro/nano multi-scale structure can enhance the mechanical properties of materials

    .
    ? Researchers sprayed CNTs dispersion uniformly on the oriented PU nanofiber substrate, and then twisted to an over-twisted state to obtain CNTs/PU fibers with a multi-scale spiral structure

    .
    CNTs are wrapped inside the fiber during the twisting process to form a sandwich CNTs/PU composite structure, which improves the structural stability of the material

    .
    The coated CNTs enhance the mechanical strength of the material, and under the synergistic effect of the multi-level structure, the spiral fiber can be stretched to 17 times of itself

    .
    Because of its super stretchability, low production cost, strong universality, knitability and other advantages, it can be applied to fields such as flexible robots, large strain sensor devices, and smart wearable fabrics

    .
    Related research results were published on ACS Nano (ACS Nano 2020, 14,3442).
    Researcher Su Yewang of the Institute of Mechanics, Beijing University of Aeronautics and Astronautics Professor Zhao Yong, and Associate Professor Wang Nu are the co-corresponding authors of the paper

    .
    The research work is supported by the National Natural Science Foundation of China

    .
    Carbon nanotubes (CNTs)/polyurethane (PU) fibers with multi-scale winding and interlocking spiral structure
    This article is an English version of an article which is originally in the Chinese language on echemi.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to service@echemi.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

    Contact Us

    The source of this page with content of products and services is from Internet, which doesn't represent ECHEMI's opinion. If you have any queries, please write to service@echemi.com. It will be replied within 5 days.

    Moreover, if you find any instances of plagiarism from the page, please send email to service@echemi.com with relevant evidence.