公开(公告)号：US20240136730A1

公开(公告)日：2024-04-25

申请号：US18278391

申请日：2022-01-24

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Jens Eichler ,  Christian Weinmann ,  Tom Gaide ,  Michael H. Stalder ,  Sebastian Eggert-Richter

IPC: H01Q15/02 ,  B29C64/393 ,  B33Y10/00 ,  B33Y50/02 ,  B33Y80/00 ,  H01Q15/00

CPC classification number: H01Q15/02 ,  B29C64/393 ,  B33Y10/00 ,  B33Y50/02 ,  B33Y80/00 ,  H01Q15/0013 ,  H01Q15/0086 ,  B29C64/124

Abstract: The present disclosure provides methods, articles, and apparatuses related to altering electromagnetic radiation. A method of making articles includes a) forming an electromagnetic radiation altering material by providing a polymer matrix and optionally embedding dielectric particles in the polymer matrix and b) obtaining initial dielectric properties of the electromagnetic radiation altering material. The method further includes c) modeling electromagnetic radiation altering features of the material suitable for the article obtained from the material to have target electromagnetic radiation altering properties, thereby obtaining a simulation of the electromagnetic radiation altering article; and d) additive manufacturing the electromagnetic radiation altering article based on the simulation of the electromagnetic radiation altering article. An electromagnetic radiation altering article obtained by the method is also provided. Further, an apparatus is provided including the electromagnetic radiation altering article. Methods of altering electromagnetic radiation are provided, including integrating an electromagnetic radiation altering article into either an electronic device or an electromagnetic radiation producing device, or placing the article in the vicinity of the device. Aspects of the present disclosure advantageously contribute to achieving optimized materials and designs for electromagnetic radiation altering articles.

公开(公告)号：US20210245433A1

公开(公告)日：2021-08-12

申请号：US16973150

申请日：2019-06-27

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Jean-Luc Rifaut ,  Jens Eichler ,  Tilo Remhof ,  Brian D. Goers ,  Brian A. Shukla ,  Alexander J. Kugel ,  Maiken Givot ,  Michael C. Harper

IPC: B29C64/245 ,  C08K3/22 ,  C08K3/04 ,  C08L75/06 ,  B29C64/153 ,  B28B1/00 ,  B33Y10/00 ,  B33Y70/10

Abstract: An additive layer manufacturing method, preferably using selective laser sintering, for manufacturing a solid article, the method including applying a layer of a powder, the powder including at least one powdered (co)polymer, onto a solid substrate in a processing chamber; fusing the powder layer onto the solid substrate; subsequently depositing successive layers of the powder, wherein each successive layer is selectively fused prior to deposition of the subsequent layer of powder so as to form the article. In some embodiments, the powder further includes abrasive particles having a hardness greater than or equal to that of aluminum oxide.

公开(公告)号：US10526250B2

公开(公告)日：2020-01-07

申请号：US16201138

申请日：2018-11-27

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Martin Engler ,  Krishna Uibel ,  Jens Eichler

IPC: C04B35/583 ,  C01B21/064 ,  C04B35/626 ,  C04B35/628 ,  C04B35/645 ,  C08K3/28 ,  C09K5/14

Abstract: The invention relates to boron nitride agglomerates, comprising lamellar, hexagonal boron nitride primary particles, which are agglomerated with one another with a preferred orientation, the agglomerates formed being flake-shaped.The invention also relates to a method for producing said boron nitride agglomerates, characterized in that lamellar, hexagonal boron nitride primary particles are agglomerated in such a way that they line up with one another with a preferred orientation.The flake-shaped agglomerates according to the invention are suitable as filler for polymers for making polymer-boron nitride composites and for hot pressing of boron nitride sintered compacts.

公开(公告)号：US20250001706A1

公开(公告)日：2025-01-02

申请号：US18830974

申请日：2024-09-11

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Jens Eichler ,  Peter J. Schneider ,  Sebastian Goris ,  Jay B. Preston ,  Eric L. Askeland ,  Steven D. Solomonson ,  Sung W. Moon ,  Michael P. Wald

IPC: B29C70/14 ,  B29C70/54 ,  B29C70/88 ,  B29L7/00 ,  H01L23/373

Abstract: The present disclosure provides a thermally conductive article including a pad having first and second opposed major surfaces and a thickness therebetween. The thickness is formed of entangled thermally conductive fibers and at least a portion of the entangled thermally conductive fibers have at least one terminal end at the first opposed major surface, the opposed second major surface, or both. The pad is at least partially impregnated with a polymer. Another thermally conductive article is provided including a) a pad having first and second opposed major surfaces and a thickness therebetween; b) a first thermally conductive skin layer; and c) a second thermally conductive skin layer. The thickness of the pad is formed of aligned thermally conductive fibers, and at least a portion of the thermally conductive fibers have a terminal end at the first opposed major surface and the opposed second major surface. The first and second thermally conductive skin layers each include a polymeric matrix at least partially embedded in the terminal end of at least a portion of the thermally conductive fibers at the first and second major surfaces of the pad, respectively. Methods of making the thermally conductive articles are also provided.

公开(公告)号：US20240043624A1

公开(公告)日：2024-02-08

申请号：US18554485

申请日：2022-03-04

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Jens Eichler ,  Ricardo Mzoguchi Gorgoll ,  Peter Bissinger ,  Simone Jurjevic ,  Wolf Steiger ,  Patricia J. Tegeder

IPC: C08G77/388 ,  C08G77/26

CPC classification number: C08G77/388 ,  C08G77/26 ,  C08G2330/00

Abstract: A chain-extended silicone represented by the formula Each R1 independently represents H or a C1-C15 hydrocarbyl group. Each R2 independently represents H or a C1-C6 alkyl group. Each A independently represents a C1-C18 hydrocarbylene group, optionally substituted with up to 5 heteroatoms selected from the group consisting of O, N and S. Each Z independently represents a leaving group displaceable by a primary or secondary alkylamine. Each m independently represents an integer from 5 to 1000, inclusive. n represents an integer greater than or equal to two. The chain-extended silicone can be functionalized with aziridine groups. Methods of making the foregoing are also disclosed. Curable compositions, including a thermal gap filler, including the chain-extended silicone are also disclosed.

公开(公告)号：US20210395455A1

公开(公告)日：2021-12-23

申请号：US17288032

申请日：2019-10-24

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Jenny B. Werness ,  Douglas L. Elmore ,  Jeremy M. Higgins ,  Jens Eichler ,  Simone Jurjevic ,  Siegfried R. Goeb ,  Wolf Steiger ,  Peter Bissinger

IPC: C08G73/02 ,  C09K5/14

Abstract: The present disclosure relates to an acid-curable composition, comprising: a) a base component comprising a cationically self-curable oligomeric compound; b) a curing system for the cationically self-curable oligomeric compound, which comprises: i. an ionogenic compound comprising an anion and ammonium as a cation; and ii. water. According to another aspect, the present disclosure is directed to a curing system suitable for an acid-curable composition comprising a cationically self-curable oligomeric compound. According to still another aspect, the present disclosure relates to a method of manufacturing an acid-curable composition. In yet another aspect, the disclosure relates to the use of an acid-curable composition for industrial applications, in particular for thermal management applications in the automotive industry.

公开(公告)号：US20190393574A1

公开(公告)日：2019-12-26

申请号：US16479032

申请日：2018-01-15

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Seigfried R. Goeb ,  Simone Jurjevic ,  Jens Eichler ,  Peter Bissinger ,  Wolf Steiger

IPC: H01M10/653 ,  C08K5/42 ,  C08K3/04 ,  C08K5/00 ,  H01M10/625 ,  H01M2/10 ,  C08G65/333

Abstract: Thermally-conductive gap fillers are described. The gap fillers comprise an aziridino-functional polyether polymer and thermally conductive particles. Initiators suitable for such systems e also described. Such gap fillers may be used in various applications including the manufacture of battery modules and subunits.

公开(公告)号：US12115737B2

公开(公告)日：2024-10-15

申请号：US17793109

申请日：2021-02-18

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Jacob P. Podkaminer ,  Jens Eichler ,  Peter J. Schneider ,  Sebastian Goris ,  Victor Ho ,  Joseph A. Dunbar ,  Matthew T. Johnson ,  Matthew H. Frey

IPC: H01L23/373 ,  B29C70/14 ,  B29C70/54 ,  B29C70/88 ,  B29L7/00

CPC classification number: B29C70/14 ,  B29C70/545 ,  B29C70/88 ,  B29K2995/0013 ,  B29K2995/0046 ,  B29K2995/0051 ,  B29L2007/008 ,  H01L23/3733 ,  H01L23/3737

Abstract: The present disclosure provides a thermally conductive article including a pad having first and second opposed major surfaces and a thickness therebetween. The thickness is formed of entangled thermally conductive fibers and at least a portion of the entangled thermally conductive fibers have at least one terminal end at the first opposed major surface, the opposed second major surface, or both. The pad is at least partially impregnated with a polymer. Another thermally conductive article is provided including a) a pad having first and second opposed major surfaces and a thickness therebetween; b) a first thermally conductive skin layer; and c) a second thermally conductive skin layer. The thickness of the pad is formed of aligned thermally conductive fibers, and at least a portion of the thermally conductive fibers have a terminal end at the first opposed major surface and the opposed second major surface. The first and second thermally conductive skin layers each include a polymeric matrix at least partially embedded in the terminal end of at least a portion of the thermally conductive fibers at the first and second major surfaces of the pad, respectively. Methods of making the thermally conductive articles are also provided.

公开(公告)号：US20240218101A1

公开(公告)日：2024-07-04

申请号：US18558395

申请日：2022-05-13

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Tom Gaide ,  Karoline Anna Ostrowski ,  Philipp Jürgen Semmler ,  Jens Eichler

IPC: C08F220/32 ,  B29C64/106 ,  B29K33/00 ,  B33Y10/00 ,  B33Y70/00 ,  C08F222/20 ,  C08K7/28 ,  C09D4/00 ,  C09D7/40 ,  C09D7/61 ,  C09D133/14 ,  C09D135/02

CPC classification number: C08F220/325 ,  B33Y70/00 ,  C08F222/20 ,  C08K7/28 ,  C09D4/00 ,  C09D7/61 ,  C09D7/68 ,  C09D7/69 ,  C09D133/14 ,  C09D135/02 ,  B29C64/106 ,  B29K2033/08 ,  B33Y10/00 ,  C08F2800/20 ,  C08K2201/005

Abstract: The present invention relates to curable compositions comprising a plurality of particles, a primary liquid phase comprising at least one polymerizable or cross-linkable organic compound that can form organic polymers or networks, and a secondary liquid phase.

公开(公告)号：US11577458B2

公开(公告)日：2023-02-14

申请号：US16973150

申请日：2019-06-27

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Jean-Luc Rifaut ,  Jens Eichler ,  Tilo Remhof ,  Brian D. Goers ,  Brian A. Shukla ,  Alexander J. Kugel ,  Maiken Givot ,  Michael C. Harper

IPC: B29C64/245 ,  B33Y10/00 ,  B29C64/153 ,  B33Y70/10 ,  B28B1/00 ,  C08K3/04 ,  C08K3/22 ,  C08L75/06 ,  B29K23/00 ,  B29K77/00

Abstract: An additive layer manufacturing method, preferably using selective laser sintering, for manufacturing a solid article, the method including applying a layer of a powder, the powder including at least one powdered (co)polymer, onto a solid substrate in a processing chamber; fusing the powder layer onto the solid substrate; subsequently depositing successive layers of the powder, wherein each successive layer is selectively fused prior to deposition of the subsequent layer of powder so as to form the article. In some embodiments, the powder further includes abrasive particles having a hardness greater than or equal to that of aluminum oxide.