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    CORE-SHEATH FILAMENTS AND METHODS OF PRINTING AN ADHESIVE
    1.
    发明申请
    CORE-SHEATH FILAMENTS AND METHODS OF PRINTING AN ADHESIVE 审中-公开

    公开(公告)号：WO2019164678A1

    公开(公告)日：2019-08-29

    申请号：PCT/US2019/017162

    申请日：2019-02-08

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： NYARIBO, Eric O. ,  CHASTEK, Thomas Q. ,  WAID, Robert D. ,  DEVOLDER, Ross J. ,  YOUNG, Jacob D. ,  WEST, Shaun M. ,  BELKIN, Mikhail A. ,  DINGELDEIN, Joseph C. ,  ESCH, Jay A. ,  NAPIERALA, Mark E.

    IPC: D01F8/00 ,  B29C67/00 ,  B33Y30/00

    Abstract: The present disclosure provides a core-sheath filament. The core-sheath filament includes an adhesive core and a non-tacky sheath, wherein the sheath exhibits a melt flow index of less than 15 grams per 10 minutes. The present disclosure also provides a method of printing an adhesive. The method includes a) melting a core-sheath filament in a nozzle to form a molten composition, and b) dispensing the molten composition through the nozzle onto a substrate. Steps a) and b) are carried out one or more times to form a printed adhesive. The core-sheath filament includes an adhesive core and a non-tacky sheath. Further, methods are provided, including receiving, by a manufacturing device having one or more processors, a digital object comprising data specifying an article; and generating, with the manufacturing device by an additive manufacturing process using a core-sheath filament, the article including a printed adhesive based on the digital object. A system is also provided, including a display that displays a 3D model of an article; and one or more processors that, in response to the 3D model selected by a user, cause a 3D printer to create a physical object of an article including a printed adhesive, using a core-sheath filament.

    ADDITIVE MANUFACTURING METHODS FOR ADHESIVES AND ADHESIVE ARTICLES
    3.
    发明申请
    ADDITIVE MANUFACTURING METHODS FOR ADHESIVES AND ADHESIVE ARTICLES 审中-公开

    公开(公告)号：WO2019005022A1

    公开(公告)日：2019-01-03

    申请号：PCT/US2017/039610

    申请日：2017-06-28

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： FRANKE, Carsten ,  DINGELDEIN, Joseph C. ,  ESCH, Jay A. ,  SMITHSON, Robert L.W. ,  SETH, Jayshree ,  BENSON, Olester Jr. ,  CALVERLEY, Karen J. ,  HUFFMAN, Alexander J. ,  YURT, Serkan ,  NIKNEZHAD, Setareh ,  KROPP, Michael A. ,  BAETZOLD, John P.

    IPC: B29C41/20 ,  B29C67/00 ,  B32B27/04 ,  C25D3/22 ,  C09J129/04

    Abstract: A method of making an adhesive is provided, including obtaining an actinic radiation-polymerizable adhesive precursor composition disposed against a surface of an actinic radiation-transparent substrate and irradiating a first portion of the actinic radiation-polymerizable adhesive precursor composition through the actinic radiation-transparent substrate for a first irradiation dosage. The method further includes irradiating a second portion of the actinic radiation-polymerizable adhesive precursor composition through the actinic radiation-transparent substrate for a second irradiation dosage. The first portion and the second portion are adjacent to or overlapping with each other and the first irradiation dosage and the second irradiation dosage are not the same. The method forms an integral adhesive having a variable thickness in an axis normal to the surface of the actinic radiation-transparent substrate. Also, an adhesive article is provided, including a substrate having a major surface and an integral adhesive disposed on the major surface of the substrate. Further, methods are provided, including receiving, by a manufacturing device having one or more processors, a digital object comprising data specifying an article; and generating, with the manufacturing device by an additive manufacturing process, the article based on the digital object. A system is provided, including a display that displays a 3D model of an article; and one or more processors that, in response to the 3D model selected by a user, cause a 3D printer to create a physical object of an article.

    KNIT FABRICS CONTAINING COPPER FILAMENTS AND METHODS OF MAKING SAME
    4.
    发明申请
    KNIT FABRICS CONTAINING COPPER FILAMENTS AND METHODS OF MAKING SAME 审中-公开

    公开(公告)号：WO2021220093A1

    公开(公告)日：2021-11-04

    申请号：PCT/IB2021/053013

    申请日：2021-04-12

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： ANDERSON, Timothy J. ,  ESCH, Jay A.

    IPC: D04B1/14 ,  D04B1/04 ,  D10B2101/20

    Abstract: The present disclosure provides a knit fabric including at least one continuous copper filament formed into a knit fabric including a layer of knit copper fabric having a first major plane and at least one loop of copper filament extending out of the first major plane. A knit fabric is also provided that has an interlock pattern including at least two continuous copper filament paths per layer. A further knit fabric is provided that includes a spacer fabric knit having a first layer of knit copper fabric interconnected with a second layer of knit copper fabric. Methods of making the knit fabrics are provided, including twisting or wrapping at least one continuous copper filament with a load- carrying yarn. The load-carrying yarn exhibits a minimum bend radius that wraps around an object having a diameter of 0.43 millimeters. The methods further include setting at least one tension setting on a knitting machine and using a knitting program that defines a plurality of stitch settings to knit a fabric.

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