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    NANOFIBER FABRIC
    21.
    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

    Applicant: Lintec of America, Inc.

    Inventor： Marcio D. Lima

    IPC: D04H1/74 ,  D04H1/593 ,  D04H1/587 ,  D04H1/64 ,  H05K9/00 ,  C01B32/158 ,  D04H1/4242

    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.

    TEAR RESISTANT NANOFIBER SHEET
    23.
    发明申请
    TEAR RESISTANT NANOFIBER SHEET 审中-公开

    公开(公告)号：US20190352822A1

    公开(公告)日：2019-11-21

    申请号：US16364955

    申请日：2019-03-26

    Applicant: Lintec of America, Inc.

    Inventor： Marcio D. Lima

    IPC: D04H5/04 ,  D06M15/19 ,  D04H1/74 ,  D06M10/10 ,  D04H1/64 ,  D04H1/4242 ,  D04H5/08 ,  B32B5/02 ,  B32B5/10 ,  B32B5/26 ,  B32B37/12 ,  B32B37/24 ,  B32B38/08 ,  B32B27/12

    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.

    NANOFIBER YARN SPINNING SYSTEM
    28.
    发明申请
    NANOFIBER YARN SPINNING SYSTEM 审中-公开

    公开(公告)号：US20180171512A1

    公开(公告)日：2018-06-21

    申请号：US15844756

    申请日：2017-12-18

    Applicant: Lintec of America, Inc.

    Inventor： BaeKyun Kim ,  Julia Bykova ,  Luis Plata ,  Yang Yang ,  Marcio D. Lima

    IPC: D02G1/02 ,  D01H1/02

    CPC classification number: D02G1/022 ,  D01H1/02

    Abstract: Methods, systems, and apparatus for fabricating nanofiber yarn at rates at of at least 30 m/min (1.8 kilometers (km)/hour (hr)) using a “false twist” nanofiber yarn spinner and a false twist spinning technique. In a false twist spinning technique, a twist is introduced to nanofibers in a strand by twisting the nanofibers at points between ends of the strand. This is in contrast to the “true twist” technique where one end of a strand is fixed and the opposing end of the strand is rotated to introduce the twist to intervening portions of yarn

    Applying micron diameter yarns
    30.
    发明授权
    Applying micron diameter yarns 有权

    公开(公告)号：US11161743B2

    公开(公告)日：2021-11-02

    申请号：US16390130

    申请日：2019-04-22

    Applicant: Lintec of America, Inc.

    Inventor： Julia Bykova ,  Marcio D. Lima

    IPC: C01B32/16 ,  B32B37/12 ,  B82Y30/00 ,  B82Y40/00 ,  B29K105/16

    Abstract: Placement of nanofibers and yarns comprised of nanofibers onto a substrate are described. The nanofiber yarns are difficult to manipulate with precision given that the diameters can be as little as 5 microns or even less than one micron. As described herein, a placement system is described that can place nanofiber yarns on a substrate at pitches less than 100 μm, less than 50 μm, less than 10 μm, and in some embodiments as low as 2 μm. In part, this precise placement at small pitches is facilitated by the use of coarse and fine adjustment translators, and a guide connected to a compliant flange. The compliant flange and the guide facilitate consistency of location of a nanofiber yarn.

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