THERMOCHROMIC ACTUATORS
    121.
    发明申请

    公开(公告)号:US20210164452A1

    公开(公告)日:2021-06-03

    申请号:US17054331

    申请日:2019-05-10

    Abstract: Polymer and nanotube-based actuators that include a thermochromic coating is disclosed. The actuators include a thermochromic material applied to a surface of the core fiber or the conductive element. Upon heating the actuator, the thermochromic coating undergoes a color transition to indicate a pre-determined temperature correlated to a rated critical temperature, important temperature of the actuator components, or a level of actuation.

    HYDRAULIC MUSCLE FROM HOLLOW WRAPPED CARBON NANOTUBE YARN

    公开(公告)号:US20210000587A1

    公开(公告)日:2021-01-07

    申请号:US16970572

    申请日:2019-02-22

    Inventor: Marcio Dias LIMA

    Abstract: A hydraulic muscle comprises a hollow carbon nanotube (CNT) yarn tube comprising: a plurality of CNT sheets twisted and wrapped in form of a hollow tube; and a binding agent infiltrated in the plurality of CNT sheets that binds the plurality of the CNT sheets together. A method of manufacturing a hydraulic muscle comprises: twisting and wrapping a plurality of carbon nanotube (CNT) sheets around a core fiber; infiltrating a binding agent in between the plurality of CNT sheets, wherein the binding agent binds the plurality of the CNT sheets together; and removing the core fiber from the plurality of CNT sheets.

    NANOFIBER FABRIC
    125.
    发明申请
    NANOFIBER FABRIC 审中-公开

    公开(公告)号:US20200340157A1

    公开(公告)日:2020-10-29

    申请号:US16926301

    申请日:2020-07-10

    Inventor: Marcio D. Lima

    Abstract: A fabric of nanofibers that includes an adhesive is described. The nanofibers can be twisted or both twisted and coiled prior to formation into a fabric. The adhesive can be selectively applied to or infiltrated within portions of the nanofibers comprising the nanofiber fabric. The adhesive enables connection of the nanofiber fabric to an underlying substrate, even in cases in which the underlying substrate has a three-dimensional topography, while the selective location of the adhesive on the fabric limits the contact area between the adhesive and the nanofibers of the nanofiber fabric. This limited contact area can help preserve the beneficial properties of the nanofibers (e.g., thermal conductivity, electrical conductivity, infra-red (IR) radiation transparency) that otherwise might be degraded by the presence of adhesive.

    Method for producing carbon nanotube sheet and carbon nanotube sheet

    公开(公告)号:US10562775B2

    公开(公告)日:2020-02-18

    申请号:US15527632

    申请日:2015-11-20

    Abstract: The present invention provides a method for producing a carbon nanotube sheet that is excellent in light transmittance and conductivity, and the carbon nanotube sheet. The method includes firstly modifying of modifying a free-standing unmodified carbon nanotube sheet in which a plurality of carbon nanotubes are aligned in a predetermined direction. The firstly modifying includes performing a densification process of bringing the unmodified carbon nanotube sheet into contact with either one of or both of vapor and liquid particles of a liquid substance to produce a modified carbon nanotube sheet that contains the carbon nanotubes which are mainly aligned in a predetermined direction, and that includes a high density portion where the carbon nanotubes are assembled together and a low density portion where density of the carbon nanotubes is relatively lower than density in the high density portion.

    TEAR RESISTANT NANOFIBER SHEET
    130.
    发明申请

    公开(公告)号:US20190352822A1

    公开(公告)日:2019-11-21

    申请号:US16364955

    申请日:2019-03-26

    Inventor: Marcio D. Lima

    Abstract: One or more nanofiber yarns can be placed in contact with one or more nanofiber sheets. The nanofiber yarns, which include single-ply and multi-ply nanofiber yarns, provide added mechanical stability to a nanofiber sheet that decreases the likelihood of a nanofiber sheet wrinkling, folding, or otherwise becoming stuck to itself. Furthermore, the nanofiber yarns integrated with the nanofiber sheet can also act as a mechanism to prevent the propagation of tears through the nanofiber sheet. In some cases, an infiltrating material can be infiltrated into interstitial spaces defined by the nanofibers within both the nanofiber yarns and the nanofiber sheets. The infiltrating material can then form a continuous network throughout the nanofiber yarns and the nanofiber sheet.

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