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    FOAM COMPOSITIONS AND METHODS OF MAKING SAME
    2.
    发明申请
    FOAM COMPOSITIONS AND METHODS OF MAKING SAME 审中-公开

    公开(公告)号：WO2020053826A1

    公开(公告)日：2020-03-19

    申请号：PCT/IB2019/057732

    申请日：2019-09-13

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： KALISH, Jeffrey P. ,  MEREE, Caitlin E. ,  FISHMAN, Joshua M. ,  VOIGT, Michael W.

    IPC: C08J9/04 ,  B29C44/00 ,  B29C44/06 ,  C08J9/06 ,  C08J9/12 ,  B29K9/06 ,  B29K105/16 ,  B29K505/02

    Abstract: Open cell foam compositions are provided including a thermoplastic polymeric matrix and at least one filler. In some embodiments of the foam compositions, the filler includes nepheline syenite.Methods of making the foam compositions are described, the methods including (a) obtaining a composite materials containing a first thermoplastic polymer having a filler component and a blowing agent distributed therein; (b) coextruding the composite material with a second thermoplastic polymer and a third thermoplastic polymer to form a three-layer composition, wherein the three-layer composition includes a middle layer comprising an open cell foam formed from the foam composition, and the middle layer is disposed between the first and the second outer layers formed from the second and the third thermoplastic polymers, respectively; and (c) separating the middle layer from each of the first and the second outer layer. The first thermoplastic polymer is different from the second and the third thermoplastic polymers.

    EXPANDABLE MICROSPHERE, MARKABLE ARTICLE, MARKED ARTICLE, AND METHOD OF MAKING THE SAME
    10.
    发明申请
    EXPANDABLE MICROSPHERE, MARKABLE ARTICLE, MARKED ARTICLE, AND METHOD OF MAKING THE SAME 审中-公开

    公开(公告)号：WO2021094901A1

    公开(公告)日：2021-05-20

    申请号：PCT/IB2020/060544

    申请日：2020-11-09

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： FISHMAN, Joshua M. ,  SWEETNAM, Sean M. ,  KALISH, Jeffrey P. ,  MEREE, Caitlin E. ,  VEERARAGHAVAN, Badri ,  FREY, Matthew H.

    IPC: B41M5/28 ,  B41M7/00 ,  B41M3/16

    Abstract: A PTSM-coated expandable microsphere comprises a polymer shell enclosing an interior volume containing at least one blowing agent. The polymer shell has an outer surface with photothermal susceptor material disposed on at least a portion thereof. If heated to at least one temperature greater than 25 °C, each of the expandable microspheres expands, but does not rupture, the polymer shell by a sufficient amount to at least double the interior volume. A markable comprises a substrate and a viewable layer secured thereto. The viewable layer comprises a binder material retaining the PTSM-coated expandable microspheres. A method of marking a markable article comprises imagewise exposing the PTSM-coated expandable microspheres of the markable article to at least sufficient electromagnetic radiation to cause the PTSM-coated expandable microspheres to expand thereby creating a predetermined image. A marked article preparable according to the method is also disclosed.

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