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公开(公告)号：WO2021130619A1
公开(公告)日：2021-07-01
申请号：PCT/IB2020/062068
申请日：2020-12-16
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： KALISH, Jeffrey P. , CHASTEK, Thomas Q. , YOUNG, Jacob D. , WEST, Shaun M. , MCNULTY, Jason D.
IPC: D01F8/06 , B33Y10/00 , B29C64/118 , B33Y70/00
Abstract: Core-sheath filaments comprising cores including a polymer and 1 wt.% to 10 wt.% of a blowing agent, that can be dispensed as the core in a core-sheath construction. Dispensed adhesive compositions comprising the disclosed core-sheath filaments, the dispensed adhesive composition being a product resulting from compounding the core-sheath filament through a heated extruder nozzle. Methods of preparing core-sheath filaments.
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公开(公告)号：WO2021064696A1
公开(公告)日：2021-04-08
申请号：PCT/IB2020/059297
申请日：2020-10-02
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： LUDWIG, Bret W. , JOHNSON, Abbi G. , LENICZEK, Katelyn M. , STRAND, Lacey M. , EMSLANDER, Jeffrey O. , YOUNG, Jacob D. , KUDUVA RAMAN THANUMOORTHY, Ramasubramani , SPIEWAK, Brian E. , NIES, Timothy J. , SIERACKI, James M.
IPC: C09J7/29
Abstract: The disclosed film backing has a multilayer extensible substrate with a securing adhesive that can secure to a surface and a tab to stretch the extensible substrate to remove the securing adhesive from the underlying surface. Stretching the extensible substrate will easily release the adhesive from the underlying surface. Therefore, a strong adhesive can be used. The multilayer extensible substrate includes an elastic layer forming the core adjacent to a plastically-deforming layers forming the skin to minimize the elasticity of the overall construction.
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公开(公告)号：WO2021028821A1
公开(公告)日：2021-02-18
申请号：PCT/IB2020/057518
申请日：2020-08-10
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： BEHLING, Ross E. , BENSON, Karl E. , CHASTEK, Thomas Q. , NAPIERALA, Mark E. , HAYS, David S. , HACKBARTH, Kent C. , YOUNG, Jacob D. , WEST, Shaun M. , CARVAJAL, Daniel
Abstract: A core-sheath filament having a pressure-sensitive adhesive core and a non-tacky thermoplastic sheath that surrounds the core is provided. The pressure-sensitive adhesive core includes a) a silicone-containing block copolymer having multiple polydiorganosiloxane segments plus b) a silicone tackifying resin. Additionally, methods of making the core-sheath filament and methods of using the core-sheath filament to print a pressure-sensitive adhesive are described.
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公开(公告)号：WO2020174396A1
公开(公告)日：2020-09-03
申请号：PCT/IB2020/051604
申请日：2020-02-25
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： NAPIERALA, Mark E. , CHASTEK, Thomas Q. , WAID, Robert D. , BEHLING, Ross E. , WEST, Shaun M. , YOUNG, Jacob D.
IPC: C09J153/02 , C09J5/06 , C08F8/50
Abstract: Methods of bonding a pressure-sensitive adhesive to a substrate are provided. The methods include heating a styrenic block copolymer composition to provide an adhesive melt composition, wherein the styrenic block copolymer composition contains a hard segment block with a glass transition temperature of from 90°C to 220°C; masticating the adhesive melt composition; delivering the adhesive melt composition onto the substrate at a temperature that exceeds the glass transition temperature of the hard segment block by from 20°C to 150°C; and cooling the adhesive melt composition to obtain a bonded pressure-sensitive adhesive. Optionally, the substrate can be a non-film substrate, or the styrenic block copolymer composition can be provided in a core-sheath filament that includes a styrenic block copolymer core and a sheath that is non-tacky at ambient temperature.
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公开(公告)号：WO2020109926A1
公开(公告)日：2020-06-04
申请号：PCT/IB2019/059944
申请日：2019-11-19
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： HEBRINK, Timothy J. , EMSLANDER, Jeffrey O. , LENICZEK, Katelyn M. , YOUNG, Jacob D. , LEE, Darrin H. , BIRKHOLZ, Chris R. , ZHOU, Jinsheng , WU, Pingfan , DEHN, Derek J. , ROTHER, Christopher J.
Abstract: A composite film comprises first and second layers. The first layer comprises a first copolymer of monomers comprising tetrafluoroethylene, hexafluoropropylene, and vinylidene fluoride, wherein the first copolymer contains at least 35 mole percent of vinylidene fluoride monomer units. The second layer is disposed on the first layer, and comprises a second copolymer comprising 50 to 83 weight percent of ethylene monomer units and at least 17 weight percent of alkyl (meth)acrylate monomer units represented by the formula (I) wherein R 1 is H or methyl, and each R 2 is independently an alkyl group having from 1 to 4 carbon atoms. Methods of making the composite film and articles including it are also disclosed.
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Patent Agency Ranking
公开(公告)号：WO2018106559A1
公开(公告)日：2018-06-14
申请号：PCT/US2017/064400
申请日：2017-12-04
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： YOUNG, Jacob D. , EMSLANDER, Jeffrey O.
Abstract: Polymeric multilayer film comprising at least two adjacent layers each exhibiting a random network of strands and connective regions. The polymeric multilayer films are useful, for example, for tape and graphic articles.
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公开(公告)号：WO2018102089A1
公开(公告)日：2018-06-07
申请号：PCT/US2017/060544
申请日：2017-11-08
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： SLAMA, David F. , ANTILA, Garth V. , HANSEN, Brent R. , CLARKE, Graham M. , EMSLANDER, Jeffrey O. , ROGERS, John J. , YOUNG, Jacob D.
IPC: B32B7/06 , B32B7/12 , B32B23/20 , B32B25/12 , B32B25/14 , B32B25/16 , B32B27/28 , B32B27/30 , B32B27/32 , B32B27/34 , B32B27/36 , B32B3/26 , B32B3/30 , B32B25/04 , B32B25/08 , B32B27/08 , B29C47/04 , B32B37/15 , B32B38/06 , B32B38/10
Abstract: Polymeric multilayer films having an array of openings extending between the first and second major surfaces of the film, and a thickness greater than 50 micrometers, wherein the openings each have a series of areas through the openings from the first and second major surfaces ranging from minimum to maximum areas, and wherein the minimum area is not at at least one of the major surfaces. Polymeric multilayer films described herein are useful, for example, for wound dressings and graphics films.
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公开(公告)号：WO2017189304A1
公开(公告)日：2017-11-02
申请号：PCT/US2017/028396
申请日：2017-04-19
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： SHALLBETTER, Dylan J.V. , EMSLANDER, Jeffrey O. , KADOMA, Ignatius A. , ROTHER, Christopher J. , SCHWARTZ, Mark E. , YOUNG, Jacob D.
CPC classification number: B32B27/08 , B32B7/12 , B32B27/283 , B32B27/306 , B32B27/32 , B32B27/36 , B32B2250/03 , B32B2250/04 , B32B2250/24 , B32B2307/5825 , B32B2307/748 , B32B2405/00 , C09J7/29 , C09J7/401 , C09J7/405 , C09J2201/122 , C09J2203/31 , C09J2205/114 , C09J2423/005 , C09J2423/045 , C09J2423/046 , C09J2431/005 , C09J2431/006 , C09J2467/006 , C09J2475/005 , C09J2481/005
Abstract: Film constructions and articles including the film constructions, wherein a film construction includes: a backing having a first major surface and a second major surface, wherein the backing includes at least one backing layer comprising a polylactic acid and an ethylene-containing copolymer comprising a polar comonomer; a tie layer disposed on the first major surface of the backing; and a release layer disposed on the tie layer.
Abstract translation: 薄膜结构和包括薄膜结构的制品，其中薄膜结构包括：具有第一主表面和第二主表面的背衬，其中所述背衬包括至少一个包含聚乳酸的背衬层和 含极性共聚单体的含乙烯共聚物; 设置在背衬的第一主表面上的连接层; 和设置在连接层上的释放层。
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公开(公告)号：WO2021198828A1
公开(公告)日：2021-10-07
申请号：PCT/IB2021/052191
申请日：2021-03-16
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： SHAFER, Kathleen S. , CHASTEK, Thomas Q. , NAPIERALA, Mark E. , YOUNG, Jacob D. , BEHLING, Ross E. , WEST, Shaun M. , THOMAS, John Christopher
IPC: D01F8/04 , D01D5/34 , B29C64/118 , B33Y70/00 , C09J163/00
Abstract: A core-sheath filament is provided that includes a curable composition. The curable composition contains an epoxy resin and a photoacid generator. Methods of making the core-sheath filament and methods of using the core-sheath filament for printing and bonding are provided. The core-sheath filaments can be used to form a cured composition having structural bonding performance.
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公开(公告)号：WO2021024204A1
公开(公告)日：2021-02-11
申请号：PCT/IB2020/057407
申请日：2020-08-05
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： KUGEL, Alexander J. , RANADE, Shantanu R. , NAPIERALA, Mark E. , CHASTEK, Thomas Q. , WEST, Shaun M. , YOUNG, Jacob D. , BEHLING, Ross E.
IPC: D01F8/06 , B29C64/118 , C09J9/00 , C09J123/00 , C09J133/08 , D01F8/10 , C09J5/00 , C09J5/04
Abstract: A core-sheath filament having a non-tacky sheath and a hot-melt processable adhesive core, the sheath exhibiting a melt flow index of less than 15 grams per 10 minutes, is provided. Methods of making the core-sheath filament and methods of using the core-sheath filament to print a hot-melt processable adhesive onto a primer-treated substrate surface to provide a structural bond are described.
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