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    Sound and heat insulating blanket
    2.
    发明授权
    Sound and heat insulating blanket 审中-公开

    公开(公告)号：US10668701B2

    公开(公告)日：2020-06-02

    申请号：US15567185

    申请日：2016-05-05

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Pingfan Wu ,  Lianzhou Chen ,  Fredrick W. Vance ,  Edward E. Cole ,  Charles W. Hedley ,  Gregory L. Simon ,  Michael C. Martin

    IPC: B32B25/08 ,  B32B5/02 ,  B32B5/24 ,  B32B25/10 ,  B32B25/14 ,  A62C8/06

    Abstract: A sound and heat insulating blanket is presented comprising: a) a first layer of fabric comprising first fibers; and b) a first sound barrier film comprising a first rubber; wherein the first layer of fabric and first sound barrier film are bound together through a first interpenetrated binding layer wherein the first rubber of the first sound barrier film is interpenetrated by the first fibers of the first layer of fabric; and optionally c) a second layer of fabric comprising second fibers; wherein the second layer of fabric and first sound barrier film are bound together through a second interpenetrated binding layer wherein the first cured composition of the first sound barrier film is interpenetrated by the second fibers of the second layer of fabric. Typically, the sound and heat insulating blanket comprises no adhesive binding the first and second layers of fabric and the sound barrier film.

    CURABLE COMPOSITION FOR SOUND BARRIER FILM
    3.
    发明申请
    CURABLE COMPOSITION FOR SOUND BARRIER FILM 审中-公开

    公开(公告)号：US20180346695A1

    公开(公告)日：2018-12-06

    申请号：US15571086

    申请日：2016-05-03

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Pingfan Wu ,  Lianzhou Chen ,  Fredrick W. Vance ,  Edward E. Cole ,  Charles W. Hedley ,  Gregory L. Simon ,  Michael C. Martin

    IPC: C08L11/00 ,  C08J5/18 ,  C08J5/12 ,  G10K11/162

    CPC classification number: C08L11/00

    Abstract: A curable composition is provided comprising a curable rubber comprising: a ) 80.0-99.9 wt % of a chloroprene resin; b) 0.06-13 wt % of trimethyl thiourea; and c) 0.06-13 wt % of a benzothiazolesulfenamide, such as N-cyclohexyl-2-benzothiazoles-ulfenamide. The present disclosure additionally provides cured compositions comprising a rubber comprising a crosslinked chloroprene resin and a fire retardant particle system comprising: d) 5-95 wt % particulate magnesium hydroxide (Mg(OH)2); and e) 5-95 wt % particulate aluminum trihydrate (Al(OH)3). In some embodiments the particulate aluminum trihydrate (Al(OH)3) has a mean particle size of greater than 30 microns and less than 400 microns, and more typically a mean particle size of greater than 82 microns. The present disclosure additionally provides sound barrier films comprising the cured compositions according to the present disclosure, in particular fire resistant sound barrier films.

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