LIGHT WEIGHT SEAL CAP
    43.
    发明申请

    公开(公告)号:US20200347874A1

    公开(公告)日:2020-11-05

    申请号:US16932724

    申请日:2020-07-18

    Abstract: The present disclosure provides methods and articles useful in sealing fasteners, including seal caps and methods of their use, and in particular light weight seal caps having higher dielectric breakdown strength, lower weight, and/or lower wall thickness. In some embodiments, the seal caps according to the present invention are made of a material having a dielectric breakdown strength of greater than 1.0 kV/mm, in some embodiments greater than 15.0 kV/mm, and in some embodiments greater than 50.0 kV/mm. In some embodiments, the seal caps according to the present invention are thin-walled, having an average wall thickness of less than 1.5 mm and in some embodiments less than less than 0.5 mm. In some embodiments, the seal cap comprises a polyurethane polymer, a polythioether polymer, a polysulfide polymer, a fluorinated thermoplastic polymer, a THV polymer, a fluorinated thermoset polymer, an engineering thermoplastic, and/or a PEEK polymer.

    DUAL CURE POLYTHIOETHER
    44.
    发明申请

    公开(公告)号:US20200308403A1

    公开(公告)日:2020-10-01

    申请号:US16946253

    申请日:2020-06-12

    Abstract: Compositions that are curable to polythioether polymers are provided, comprising: a) a dithiol monomer; b) a diene monomer; c) a radical cleaved photoinitiator; d) a peroxide; and e) an amine; where the peroxide and amine together are a peroxide-amine redox initiator. In some embodiments, the amine is a tertiary amine. In some embodiments, the amine is selected from the group consisting of dihydroxyethyl-p-toluidine, N,N-diisopropylethylamine, and N, N, N′, N″, N″-pentamethyl-diethylenetriamine. In some embodiments, the peroxide is selected from the group consisting of di-tert-butyl peroxide, methyl ethyl ketone peroxide, and benzoyl peroxide. In some embodiments, the composition may additionally comprise a polythiol monomer having three or more thiol groups

    Translucent seal cap
    46.
    发明授权

    公开(公告)号:US10183758B2

    公开(公告)日:2019-01-22

    申请号:US15467147

    申请日:2017-03-23

    Abstract: The present disclosure provides methods and articles useful in sealing fasteners, including seal caps and in particular translucent or transparent seals or seal caps. In some embodiments, a seal cap which is optically translucent and optionally visibly transparent contains an uncured sealant, which is optionally optically translucent or visibly transparent, and is applied to a fastener. In some embodiments, the sealant is cured by application of actinic radiation to the sealant through the seal cap. In another aspect, a protected fastener construction is provided comprising: q) a fastener; r) a seal cap; and s) a cured sealant; wherein the sealant is optically translucent and optionally visibly transparent.

    TRANSLUCENT SEAL CAP
    50.
    发明申请
    TRANSLUCENT SEAL CAP 有权
    透明密封帽

    公开(公告)号:US20160068274A1

    公开(公告)日:2016-03-10

    申请号:US14783913

    申请日:2014-04-15

    CPC classification number: B64D37/06 B64D37/02 B64D45/02 F16B33/004 F16B37/14

    Abstract: The present disclosure provides methods and articles useful in sealing fasteners, including seal caps and in particular translucent or transparent seals or seal caps. In some embodiments, a seal cap which is optically translucent and optionally visibly transparent contains an uncured sealant, which is optionally optically translucent or visibly transparent, and is applied to a fastener. In some embodiments, the sealant is cured by application of actinic radiation to the sealant through the seal cap. In another aspect, a protected fastener construction is provided comprising: q) a fastener; r) a seal cap; and s) a cured sealant; wherein the sealant is optically translucent and optionally visibly transparent.

    Abstract translation: 本公开提供了用于密封紧固件,包括密封帽,特别是半透明或透明密封件或密封帽的方法和制品。 在一些实施例中,光学半透明并且可选地可见地透明的密封盖包含未固化的密封剂,其是任选的光学半透明或可见透明的,并被施加到紧固件。 在一些实施例中,通过将光化辐射施加到通过密封帽的密封剂来固化密封剂。 在另一方面,提供了一种受保护的紧固件结构,包括:q)紧固件; r)密封盖; 和s)固化的密封剂; 其中所述密封剂是光学半透明的并且可选地可视地透明。

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