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    Method of Installing Fire Resistant Corrugated Coaxial Cable
    2.
    发明公开
    Method of Installing Fire Resistant Corrugated Coaxial Cable 审中-公开

    公开(公告)号：US20240221978A1

    公开(公告)日：2024-07-04

    申请号：US18589198

    申请日：2024-02-27

    申请人： American Fire Wire, Inc.

    发明人： William E. Rogers

    IPC分类号： H01B11/18 ,  H01B3/08 ,  H01B3/12 ,  H01B3/46

    CPC分类号： H01B11/1856 ,  H01B3/087 ,  H01B3/12 ,  H01B3/46 ,  H01B11/1869 ,  H01B11/1895

    摘要： A method of installing a fire resistant corrugated coaxial cable that employs a high-temperature, insulating alkaline earth silicate (AES) wool dielectric is described. The AES wool dielectric is devoid of water as a constituent. The AES wool may be survivable under conditions of high heat, such as temperatures specified by common fire test standards (e.g., 1850° F./1010° C. for two hours). The cable is configured to maintain a relatively coaxial relation between a center conductor and an outer conductor even under aforementioned fire tests. A layer of ceramifiable silicone rubber or refractory fiber wrap can surround the outer conductor and continues to insulate it from the outside if a low-smoke zero-halogen (LSZH) jacket burns away.

    High dielectric insulating silicone rubber composition and electric field relaxation layer
    8.
    发明授权
    High dielectric insulating silicone rubber composition and electric field relaxation layer 有权

    公开(公告)号：US11434345B2

    公开(公告)日：2022-09-06

    申请号：US16604345

    申请日：2018-02-20

    申请人： Shin-Etsu Chemical Co., Ltd.

    发明人： Kazuhiro Oishi

    IPC分类号： C08K3/04 ,  C08K3/36 ,  C08K5/14 ,  H01B3/28 ,  H01B3/46

    摘要： Provided are a high dielectric insulating silicone rubber composition and an electric field relaxation layer. This high dielectric and insulating silicone rubber comprises: (A) 100 parts by mass of an organopolysiloxane represented by formula (1), R1nSiO(4−n)/2  (1), (in the formula, R1 represents the same or different, substituted or unsubstituted monovalent hydrocarbon groups, and n is a positive number of 1.95 to 2.04); (B) 60 to 150 parts by mass of thermal black having an average primary particle size of 150 to 500 nm; (C) 5 to 100 parts by mass of reinforcing fumed silica having a specific surface area measured by a BET adsorption method of 50 m2/g or more; and (D) 0.1 to 10 parts by mass of a curing agent. The composition is characterized in that a cured product thereof satisfies a dielectric constant of 10 or more, a volume resistivity of 1.0×1013 to 1.0×1017 Ω·cm, a loss tangent of 0.1 or less, and a dielectric breakdown strength (BDV) of 7 kV/mm or more.

    Activation of protected cross-linking catalysts during formation of dielectric materials
    9.
    发明授权
    Activation of protected cross-linking catalysts during formation of dielectric materials 有权

    公开(公告)号：US11406972B2

    公开(公告)日：2022-08-09

    申请号：US15772839

    申请日：2015-12-04

    申请人： Intel Corporation

    发明人： James M. Blackwell ,  David J. Michalak ,  Jessica M. Torres ,  Marie Krysak ,  Jeffery D. Bielefeld

    IPC分类号： B01J37/08 ,  H01B3/46 ,  H01B3/22 ,  B01J21/02 ,  B01J31/02 ,  C08J3/24 ,  C08L83/16

    摘要： Catalysts for facilitating cross-linking of liquid precursors into solid dielectric materials are disclosed. Initially, catalysts are protected, either by coordination with other compounds or by conversion to an ionic salt. Protection prevents catalysts from facilitating cross-linking unless activated. A catalyst is activated upon receiving an excitation, e.g. thermal excitation by heating. Upon receiving an excitation, protection of a catalyst dissociates, decomposes, becomes neutralized, or is otherwise transformed to allow the catalyst to facilitate cross-linking of the precursors into solid dielectric materials. Methods for fabricating dielectric materials using such protected catalysts as well as devices comprising the resulting materials are also described. Dielectric materials comprising cross-linked cyclic carbosilane units having a ring structure including C and Si may be formed in this manner. Protected catalysts disclosed herein allow careful control of precursor cross-linking, resulting in higher quality dielectric materials that may be formed by coating techniques.

    Composite stretchable film and method for forming same
    10.
    发明授权
    Composite stretchable film and method for forming same 有权

    公开(公告)号：US11377529B2

    公开(公告)日：2022-07-05

    申请号：US16672915

    申请日：2019-11-04

    申请人： SHIN-ETSU CHEMICAL CO., LTD.

    发明人： Jun Hatakeyama ,  Motoaki Iwabuchi ,  Joe Ikeda

    IPC分类号： C08J5/18 ,  C08F283/00 ,  C08J3/28 ,  B29C71/02 ,  H01B3/30 ,  H01B3/44 ,  H01B3/46 ,  H01B7/04

    摘要： The present invention is a composite stretchable film including: a surface film which is a cured product of a polyurethane 1 containing a copolymer of one or more of units “a1” to “a4” and silicone-pendant type urethane units “b1” and/or “b2” represented by the following general formula (1); and an inner film which is a cured product of a polyurethane 2 containing a unit “c” having polyether and urethane bonds represented by the following general formula (2), on which the surface film is laminated. The present invention provides a stretchable film that has excellent stretchability and strength, with the film surface having excellent water repellency, and a method for forming the same.