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    Multilayer articles including coatings on microfiltration membrane substrates and methods of making same
    136.
    发明授权
    Multilayer articles including coatings on microfiltration membrane substrates and methods of making same 有权

    公开(公告)号：US10814287B2

    公开(公告)日：2020-10-27

    申请号：US16097854

    申请日：2017-05-05

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Chunjie Zhang ,  Hongying Jiang ,  Xuan Jiang ,  Naiyong Jing

    IPC: B01D69/12 ,  B01J20/28 ,  B01J20/32 ,  B01D67/00 ,  B01D71/02 ,  B01J20/10 ,  B01D71/56 ,  B01D71/68

    Abstract: The present disclosure provides a multilayer article. The multilayer article includes a) a microfiltration membrane substrate; b) a first layer directly attached to the first major surface of the microfiltration membrane substrate; and c) a second layer directly attached to the first layer. The first layer includes a first polymeric binder and acid-sintered interconnected first silica nanoparticles arranged to form a continuous three-dimensional porous network. The second layer includes acid-sintered interconnected second silica nanoparticles arranged to form a continuous three-dimensional porous network. The present disclosure also provides a method for forming a multilayer article. The method includes (a) saturating a microfiltration membrane substrate with a liquid; (b) applying a first aqueous coating formulation to at least a portion of a first major surface of the microfiltration membrane substrate to form a coated substrate; (c) sintering the coated substrate, thereby forming a first layer; (d) applying a second aqueous coating formulation to the first major surface of the first layer to form a twice-coated substrate; and (e) sintering the twice-coated substrate.

    INK-RECEPTIVE LAYERS FOR DURABLE LABELS
    137.
    发明申请
    INK-RECEPTIVE LAYERS FOR DURABLE LABELS 审中-公开

    公开(公告)号：US20200283638A1

    公开(公告)日：2020-09-10

    申请号：US15733091

    申请日：2018-11-16

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Rachna Khurana ,  Maciej P. Pietras ,  Benjamin R. Coonce ,  Naiyong Jing

    IPC: C09D5/00 ,  C09D167/02 ,  C09D167/00 ,  C09D133/10 ,  C09D7/61 ,  C09D7/40 ,  B41M5/52

    Abstract: Coatable compositions for formation of ink-receptive layers, which may be aqueous suspensions, comprise a mixture of: a) 8.0-75 wt % (based on the total weight of a), b), c), and d)) of colloidal silica particles having an average particle size of 2.0-150 nm; b) 10-75 wt % of one or more polyester polymers; c) 10-75 wt % of one or more polymers selected from the group consisting of polyurethane polymers and (meth)acrylate polymers; and d) 0-10 wt % of one or more crosslinkers. Ink-receptive layers, which may exhibit high gloss and high ink anchoring are also provided, as are constructions comprising such layers. Porous solids are also provided, comprising: a) 8.0-75 wt % of colloidal silica particles having an average particle size of 2.0-150 nm; and b) one or more water dispersible polymers.

    SPRAY APPLICATION SYSTEM COMPONENTS COMPRISING A REPELLENT SURFACE AND METHODS
    138.
    发明申请
    SPRAY APPLICATION SYSTEM COMPONENTS COMPRISING A REPELLENT SURFACE AND METHODS 审中-公开

    公开(公告)号：US20200171521A1

    公开(公告)日：2020-06-04

    申请号：US16782105

    申请日：2020-02-05

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Adam J. Meuler ,  Nicholas L. Untiedt ,  Stephen C.P. Joseph ,  Thomas P. Klun ,  Naiyong Jing ,  Paul B. Armstrong ,  David A. Gzik ,  Cheryl L.S. Elsbernd

    IPC: B05B7/24 ,  C09D7/62 ,  C09D7/63 ,  C09D7/61 ,  C09D5/00 ,  C09D127/18

    Abstract: Presently described are components of a spray application system. At least one component comprises a liquid repellent surface layer. The liquid repellent surface (e.g. layer) may comprise a porous layer and a lubricant impregnated into pores of the porous layer; a fluoropolymer; a fluorochemical material and an organic polymeric binder; or a fluorochemical material melt additive and a thermoplastic polymeric material component. The component is typically a liquid reservoir, a liquid reservoir liner, a lid for a liquid reservoir or liner, or a combination thereof. In some embodiments, the component comprises a thermoplastic polymeric material. In some favored embodiments, the component is a removable liquid reservoir or liner. In some favored embodiments, the component is a collapsible liquid reservoir or liner. The spray application system typically further comprises a gravity-fed spray gun. Also described are spray application systems, methods of using a spray application system, as well as methods of making a component of a spray application system wherein the component has a liquid repellent surface.

    SURFACING FILM FOR COMPOSITES WITH BARRIER LAYER
    139.
    发明申请
    SURFACING FILM FOR COMPOSITES WITH BARRIER LAYER 审中-公开

    公开(公告)号：US20190389176A1

    公开(公告)日：2019-12-26

    申请号：US16562775

    申请日：2019-09-06

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Larry S. Hebert ,  Naiyong Jing ,  Michael D. Swan

    IPC: B32B7/12

    Abstract: Fiber reinforced resin matrix composite laminates are provided comprising: at least one layer of fiber reinforced resin matrix comprising a cured resin matrix; and a surfacing construction bound to the cured resin matrix and forming a surface of the laminate, comprising: at least one barrier layer; and at least one cured adhesive layer derived from high temperature cure adhesive. In some embodiments, barrier layer(s) may be substantially impermeable to organic solvents, water, and/or gasses. In another aspect, fiber reinforced resin matrix composite laminates are provided comprising: a) at least one layer of fiber reinforced resin matrix comprising a cured resin matrix; and b) a surfacing construction bound to the cured resin matrix and forming a surface of the laminate, comprising: at least one barrier layer; and at least one electrically conductive layer. In another aspect, a surfacing construction is provided comprising a barrier layer and a curable adhesive layer.

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