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    Fused Porogen Process for Acoustic Septa Fabrication
    3.
    发明申请
    Fused Porogen Process for Acoustic Septa Fabrication 审中-公开

    公开(公告)号：US20200247524A1

    公开(公告)日：2020-08-06

    申请号：US16852841

    申请日：2020-04-20

    Applicant: The Boeing Company

    Inventor： Erin E. Stache ,  Eric Herrera ,  Larken E. Cumberland ,  Shahriar Alam ,  Christopher S. Roper ,  Geoffrey McKnight

    IPC: B64C1/40 ,  F02C7/24 ,  F02C7/045 ,  B29C33/52 ,  B29D24/00 ,  B32B3/12 ,  E04C2/36 ,  G10K11/168 ,  G10K11/172

    Abstract: An example method for manufacturing a multicellular structure for acoustic damping is described that includes applying a porogen material to a solid support, inserting a multicellular frame into the solid support and through the porogen material so as to fill cells of the multicellular frame with the porogen material, fusing the porogen material, removing the multicellular frame from the solid support, and the multicellular frame contains a suspended fused porogen network attached to walls of the cells of the multicellular frame. The method also includes applying a solution to the suspended fused porogen network in the cells of the multicellular frame to percolate the suspended fused porogen network, curing the solution, and removing the suspended fused porogen network from the multicellular frame resulting in porous septum membranes of the cured solution in cells of the multicellular frame.

    Fused Porogen Process for Acoustic Septa Fabrication
    7.
    发明申请
    Fused Porogen Process for Acoustic Septa Fabrication 审中-公开

    公开(公告)号：US20190270507A1

    公开(公告)日：2019-09-05

    申请号：US16415366

    申请日：2019-05-17

    Applicant: The Boeing Company

    Inventor： Erin E. Stache ,  Eric Herrera ,  Larken E. Cumberland ,  Shahriar Alam ,  Christopher S. Roper ,  Geoffrey McKnight

    IPC: B64C1/40 ,  G10K11/172 ,  G10K11/168 ,  B29C33/52 ,  B29D24/00 ,  F02C7/045 ,  F02C7/24 ,  E04C2/36 ,  B32B3/12

    Abstract: An example method for manufacturing a multicellular structure for acoustic damping is described that includes applying a porogen material to a solid support, inserting a multicellular frame into the solid support and through the porogen material so as to fill cells of the multicellular frame with the porogen material, fusing the porogen material, removing the multicellular frame from the solid support, and the multicellular frame contains a suspended fused porogen network attached to walls of the cells of the multicellular frame. The method also includes applying a solution to the suspended fused porogen network in the cells of the multicellular frame to percolate the suspended fused porogen network, curing the solution, and removing the suspended fused porogen network from the multicellular frame resulting in porous septum membranes of the cured solution in cells of the multicellular frame.

    NOVEL TRANSPARENT POLYMERS AND METHODS FOR MAKING THE SAME
    9.
    发明申请
    NOVEL TRANSPARENT POLYMERS AND METHODS FOR MAKING THE SAME 有权
    新型透明聚合物及其制备方法

    公开(公告)号：US20170022324A1

    公开(公告)日：2017-01-26

    申请号：US14807243

    申请日：2015-07-23

    Applicant: The Boeing Company

    Inventor： Andrew P. Nowak ,  April R. Rodriguez ,  Erin E. Stache

    IPC: C08G75/26 ,  C08G75/04

    CPC classification number: C08G75/26 ,  C08G18/18 ,  C08G18/3876 ,  C08G18/722 ,  C08G18/73 ,  C08G18/758 ,  C08G75/00 ,  C08G75/045 ,  G02B1/04 ,  G02B1/043 ,  C08L81/02

    Abstract: A novel copolymer is made from a thiol terminated hydrocarbon monomer and at least one additional monomer chosen from the compounds of i) a terminally unsaturated hydrocarbon monomer, ii) an isocyanate functionalized hydrocarbon monomer and iii) a silane monomer substituted with two or more C2 to C8 terminally unsaturated alkenyl groups or C2 to C8 terminally unsaturated alkynyl groups, wherein the copolymer is a linear polymer, branched polymer or crosslinked polymer network, with the following provisos: if the at least one additional monomer is either a) a terminally unsaturated hydrocarbon monomer that is not a polymer having 12 carbon atoms or more, or b) a silane monomer, then the thiol terminated hydrocarbon monomer includes a saturated hydrocarbon ring with two or more terminal thiol groups attached to the hydrocarbon ring; if the terminally unsaturated hydrocarbon monomer is polybutadiene, the polybutadiene contains from about 0 mol % to about 30 mol % of polymer units in the cis-1,4-butadiene form; and if the at least one additional monomer is an isocyanate functionalized hydrocarbon monomer, then a ratio of the molecular mass of the thiol terminated hydrocarbon monomer to the number of sulfur atoms in the thiol terminated hydrocarbon monomer ranges from 65 to 500.

    Abstract translation: 新型共聚物由硫醇封端的烃单体和至少一种另外的单体制备，所述单体选自i）末端不饱和烃单体，ii）异氰酸酯官能化的烃单体，和iii）被两个或更多个C2取代的硅烷单体 C8末端不饱和烯基或C2至C8末端不饱和炔基，其中所述共聚物是线性聚合物，支化聚合物或交联聚合物网络，具有以下条件：如果所述至少一种另外的单体是a）末端不饱和烃单体 即不是具有12个碳原子或更多个碳原子的聚合物，或b）一种硅烷单体，那么硫醇封端的烃单体包括一个具有两个或多个连接到烃环上的末端巯基的饱和烃环; 如果末端不饱和烃单体是聚丁二烯，则聚丁二烯含有约0mol％至约30mol％的顺式-1,4-丁二烯形式的聚合物单元; 并且如果至少一种另外的单体是异氰酸酯官能化的烃单体，则硫醇封端的烃单体的分子量与硫醇封端的烃单体中的硫原子数之比为65-500。

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