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    Polyanilines and methods thereof
    11.
    发明授权
    Polyanilines and methods thereof 有权

    公开(公告)号：US11970577B2

    公开(公告)日：2024-04-30

    申请号：US17669450

    申请日：2022-02-11

    Applicant: THE BOEING COMPANY

    Inventor： Patrick J. Kinlen ,  Matthew A. Flack ,  Eric A. Bruton

    IPC: C08J5/18 ,  C08G73/02

    CPC classification number: C08G73/0266 ,  C08J5/18 ,  C08J2379/02

    Abstract: The present disclosure provides polyanilines, articles thereof, and methods of forming polyanilines. In at least one aspect, a polyaniline has a thermal stability of about 100° C. or greater, a weight average molecular weight (Mw) of from about 50,000 g/mol to about 150,000 g/mol and a molecular weight distribution (Mw/Mn) of from about 1 to about 5. In at least one aspect, a film includes a polyaniline, the film having a hydrocarbon content of about 1 wt % or less, based on the total weight of the film. In at least one aspect, a method includes introducing an emulsion of an aqueous solution of an aniline and an alkyl-substituted aryl sulfonic acid having 1 wt % or less of hydrocarbon content into a flow reactor, the flow reactor having a length of tubing having an inner diameter. The method includes polymerizing the monomer within the tube to form a polyaniline.

    Electrically conductive materials for heating and deicing airfoils
    16.
    发明授权
    Electrically conductive materials for heating and deicing airfoils 有权

    公开(公告)号：US11136132B2

    公开(公告)日：2021-10-05

    申请号：US16572801

    申请日：2019-09-17

    Applicant: THE BOEING COMPANY

    Inventor： Patrick J. Kinlen ,  Kenneth W. Young

    IPC: B64D15/12 ,  H01B1/12 ,  H05B3/14 ,  B64C27/46

    Abstract: Composite airfoils of the present disclosure comprise a root section including a first surface. The airfoils comprise an intermediate section having a first surface and coupled with the root section at a first end. The airfoils comprise a tip section having a first surface and coupled at a first end with a second end of the intermediate section. The airfoils comprise a conductive material layer adjacent at least one of the first surface of the root section, the first surface of the intermediate section, and the first surface of the tip section. The conductive material comprises a first polymer, a second polymer, and a sulfonic acid.

    Integrated lightning protection and electrical de-icing for aerodynamic structures
    17.
    发明授权
    Integrated lightning protection and electrical de-icing for aerodynamic structures 有权

    公开(公告)号：US11059594B2

    公开(公告)日：2021-07-13

    申请号：US16855072

    申请日：2020-04-22

    Applicant: The Boeing Company

    Inventor： Patrick J. Kinlen ,  Eric A. Bruton ,  Edward W. Brouwers ,  Kenneth W. Young

    IPC: B64D15/12 ,  B32B3/26 ,  H05B3/34 ,  B64C11/20 ,  B64D15/20 ,  B64D45/02 ,  H05B3/14

    Abstract: An example method includes: forming a conductive layer on at least a portion of a surface of a substrate, where the substrate comprises a composite material of an aerodynamic structure, and where the conductive layer is configured to provide a conductive path to conduct an electric current generated by a lightning strike to an electrically-grounded location; depositing an insulating layer on the conductive layer; removing one or more portions of the insulating layer to form respective gaps in the insulating layer and expose corresponding one or more portions of the conductive layer; and forming a resistive-heater layer on the insulating layer such that the resistive-heater layer fills the respective gaps in the insulating layer and contacts the corresponding one or more portions of the conductive layer, such that when electric power is provided to the conductive layer, the electric power is communicated to the resistive-heater layer thereby generating heat therefrom.

    Soluble corrosion resistant sol-gel
    18.
    发明授权
    Soluble corrosion resistant sol-gel 有权

    公开(公告)号：US10926237B2

    公开(公告)日：2021-02-23

    申请号：US16226992

    申请日：2018-12-20

    Applicant: THE BOEING COMPANY

    Inventor： Waynie M. Schuette ,  Patrick J. Kinlen

    IPC: B01J13/00 ,  C08G77/58 ,  C09D5/08 ,  C09D183/14 ,  C09D7/63 ,  C09D163/00 ,  C09D175/04 ,  C23C18/04 ,  C23C18/12 ,  C08K5/00

    Abstract: Aspects described herein generally relate to a sol-gel that is the reaction product of an organosilane, a metal alkoxide, an acid, and chromium (III) salt and/or a lanthanide salt having a solubility of about 1 gram or greater per gram of sol-gel at 23° C. The lanthanide salt includes a cation and a ligand. The cation can be lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, yttrium, cobalt, calcium, strontium, barium, and zirconium. A ligand can be a nitrate, a trifluoromethane sulfonate, a sulfate, a phosphate, a hydroxide, or hydrate forms thereof. The chromium (III) salt includes a cation and a ligand. The cation is chromium (III) and the ligand can be a nitrate, a trifluoromethane sulfonate, a sulfate, a phosphate, a hydroxide, or hydrate forms thereof.

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