3m Innovative Properties Company

William J Kopecky

Ronald Wayne Ausen

Thomas P Hanschen

Patrick R Fleming

Bruce Brandon Wilson

Andrew John Ouderkirk

Leigh E Wood

Robert L Brott

Robert A Yapel

Kristin LaVelle Thunhorst

Jennifer L Trice

Robert B Secor

James C Breister

Kristopher K Biegler

Keith R Bruesewitz

Lori-Ann S Prioleau

Shandon Dee Hart

Olester Benson, Jr

Seyed Abolhassan Angadjivand

Diane North

James M Jonza

John M Brandner

Timothy J Lindquist

Terence D Neavin

James E Springett

William C Unruh

Ronald David Jesme

Andrew R Fox

Michael R Berrigan

Ying-Yuh Lu

Richard C Allen

Charles L Bruzzone

Naimul Karim

Scott Melvyn Tapio

Scott J Tuman

Keith Michael Kotchick

Bharat R Acharya

Derek J Dehn

Zhiqun Zhang

Eric M Moore

Bryan C Feisel

Mark D Sorlien

Margaret M Vogel-Martin

Harold E Rude

Jeffrey P Kalish

Thomas J Xue

Mary M Caruso Dailey

Michelle L Legatt

Vasav Sahni

Wei Zhang

Paul C Thomas

Yeun-Jong Chou

Delony L Langer-Anderson

Ramasubramani Kuduva Raman Thanumoorthy

Daniel J Zillig

Paul S Wallis

Huiwen Tai

Shou-Lu G Wang

Sithya S Khieu

Pentti K Loukusa

Roger J Stumo

William H Sikorski, Jr

Gregory L Bluem

Thomas B Galush

Joan M Frankel

Vathsala Rajagopal

Stanley C Erickson

William P Klinzing

David C Kramlich

Timothy Diekmann

Michael S Graff

Lynn E Lorimor

Vinu Patel

Stephanie B Castiglione

Gregory D Kostuch

Jennifer J Sokol

Michael Brett Runge

Joseph P Kronzer

Thomas L Wood

Sergei A Manuilov

Paul T Hines

Sebastian Goris

Olof N Hansson

Jeffrey M Mailand

Nhat Ha Thi Nguyen

Michael W Voigt

Mark T Gibson

Shannon R A Harnden

Robert C Etter

Ronald R Borst

William H Sikorski

Ethan B Secor

Timothy J Diekmann

Shou-Lu Wang

Kristin L 3M Center Thunhorst

Netting () comprising an array of polymeric strands (), wherein the polymeric strands () are periodically joined together at bond regions () throughout the array with spaces () between adjacent strands, wherein at least a plurality (i.e., at least two) of the strands are hollow polymeric strands (i.e., a hollow core () with a sheath () surrounding the hollow core), and wherein at least 50 percent by number of the strands do not substantially cross over each other. In some embodiments, the core comprises fluid. Embodiments of nettings described herein are useful for example, for thermal transport in thermal interface articles used to control the temperature of and/or dissipate heat for electronic components and batteries or mechanical devices.

Nettings

A system including a polymeric sheet. The polymeric sheet comprises a base sheet having a first surface and a second surface opposite the first surface and a multiplicity of spaced rails projecting from the first surface of the base sheet. The rails comprise a stem portion attached to and substantially upright from the first surface of the base sheet and a top portion on the distal end of the stem opposite the base sheet. The top portion comprises a first surface opposite the base sheet and a second surface facing the first surface of the base sheet. Additionally, the rails have a length greater than the width of the stems. The first surface of the base sheet, the second surface of the top portion and the surface of the stem defines a cavity with walls, and an adhesive coated on at least a portion of the cavity wall.

Coextruded polymeric article and method of making the same

A web. The web includes an array of discrete polymeric tubes; a plurality of spacer segments between at least a plurality of adjacent polymeric tubes; wherein polymeric tubes are hollow polymeric tubes; wherein the web is a continuous web.

Extruding connected hollow strands

A magnetic shielding film includes opposing first and second major surfaces and a plurality of particles dispersed therebetween, each particle having a magnetic permeability, a thickness H along a thickness direction of the particle, and a longest dimension L along a length direction of the particle orthogonal to the thickness direction, L/H greater than or equal to 2, the particles defining a plurality of voids therebetween, the length directions of at least 60% of the particles oriented within 5.5 degrees of a same orientation direction.

Orientation of magnetic fillers to optimize film properties

Coextruded polymeric article comprising first segments each having first and second opposed major surfaces and a thickness, the first segments comprising first material; second segments comprising second material, wherein adjacent first segments are joined together via a second segment, wherein the second segments extend from the second major surface past the first major surface of each first adjacent segment and has a distal end, the second segments having first and second oppose sides; first protrusions each extending from the first side of a second segment and extending no more than to the first major surface of the respective first segment adjacent to the second segment, the first protrusions comprising third material; and second protrusions each extending from the first side of a second segment, contacting the first protrusion extending from the second segment and extending not more than to the distal end of the second segment, the second protrusions comprising fourth material, wherein at least one of the second and third or second and fourth materials are different, and wherein the first segments, second segments, first protrusions, and second protrusions each extend continuously for at least 5 mm. Uses for coextruded polymeric articles described herein include adhesive articles and household cleaning products (e.g., a mop, a duster, a brush, a cleaning cloth, or a lint roller).

Coextended polymeric article comprising a layer comprising first and second opposed major surfaces, wherein a plurality of attached projection pairs comprising first and second projections extend from only the first major surface (i.e., the second major surface is free of any projections), wherein each first projection has at least first and second opposed sides and a height from the first major surface to a distal end, wherein each first projection has at least first and second opposed sides and a height from the first major surface to a distal end. Uses for coextruded polymeric articles described herein include adhesive articles and household cleaning products (e.g., a mop, a duster, a brush, a cleaning cloth, or a lint roller).

Articles comprising first and second coextruded polymeric nettings are described. The articles comprise a plurality of pairs of first segments comprising a first material. Adjacent first segments are joined together via a second segments comprising second material, wherein the second segments extend past the first major surface of each first adjacent segments. The articles further include an adhesive on at least one of the first or second major surfaces of the first segment. The first segments, second segments, and third material each extend continuously for at least 5 mm in the machine direction, and the first and second materials of adjacent pairs are periodically bonded together in the machine direction. A portion of some of the first segments of the first coextruded polymeric netting are engaged between some of the adjacent first segments of the second coextruded polymeric netting.

Coextruded polymeric nettings and method of making the same

Coextruded articles comprising first and second layers each having first and second opposed major surfaces and between the first and second layers a series of first walls providing a series of microchannels, and methods for making the same. Embodiment of coextruded articles described herein are useful, for example, in cushioning applications where high levels of compression are desired.

Coextruded articles, dies and methods of making the same

One or more embodiments of a respirator that includes a polymeric netting is disclosed. The respirator can include a mask body including a perimeter, a harness attached to the mask body, and a face seal disposed adjacent at least a portion of the perimeter of the mask body. In one or more embodiments, the face seal includes a polymeric netting including polymeric ribbons and polymeric strands, where each of the polymeric ribbons and strands having a length, width, and height, where the length is the longest dimension, the width is the shortest dimension, and the height is the dimension transverse to the length and the width. The polymeric ribbons have a height-to-width aspect ratio of at least 5 to 1, a major surface that is intermittently bonded to only one polymeric strand, and a height that is at least two times greater than a height of the one polymeric strand.

Respirator including polymeric netting and method of forming same

A film having first segments and second segments arranged across the film's width direction is disclosed. The first and second segments are separated from each other by polymer interfaces. The first segments include a first polymeric composition and the second segments include a second polymeric composition. At least some of the second segments are layered second segments having first and second layers in the film's thickness direction, and one of the first or second layers includes a third polymeric composition different from the second polymeric composition. An extrusion die useful for making the film and a method for making the film using the extrusion die are also disclosed.

Film with layered segments and apparatus and method for making the same

Three-dimensional polymeric strand netting, wherein a plurality of the polymeric strands are periodically joined together in a regular pattern at bond regions throughout the array, wherein a majority of the polymeric strands are periodically bonded to at least two (three, four, five, six, or more) adjacent polymeric strands, and wherein no polymeric strands are continuously bonded to a polymeric strand. Three-dimensional polymeric strand netting described herein have a variety of uses, including wound care, tapes, filtration, absorbent articles, pest control articles, geotextile applications, water/vapor management in clothing, reinforcement for nonwoven articles, self bulking articles, floor coverings, grip supports, athletic articles, and pattern coated adhesives.

Three-dimensional polymeric strand netting, dies, and methods of making the same

Polymeric netting comprising polymeric ribbons and polymeric strands, each of the polymeric ribbons and polymeric strands having a length and a width, wherein the length is the longest dimension and the width is the shortest dimension, wherein a plurality of the polymeric strands are bonded together to form a netting layer, wherein adjacent polymeric strands in the netting layer are bonded intermittently at multiple locations along their respective lengths, wherein the netting layer has first and second opposing major surfaces, wherein the polymeric ribbons have a height-to-width aspect ratio of at least 2:1 and a minor surface defined by their width and length, and wherein the minor surface of a plurality of the polymeric ribbons is bonded to the first major surface of the netting layer. Polymeric netting described herein are useful, for example, in an absorbent article.

Polymeric netting with ribbons and strands, and methods of making the same

Netting () comprising an array of polymeric strands () periodically joined together at bond regions () throughout the array, and methods and dies for making the same. Nettings described herein have a variety of uses, including wound care and other medical applications, filtration, absorbent articles, pest control articles, and geotextile applications.

Nettings, dies, and methods of making the same

A polymeric netting includes polymeric strands and first and second polymeric ribbons. The first and second ribbons each independently have a height-to-width aspect ratio of at least three to one and a major surface that is intermittently bonded to a polymeric strand, with first and second edges symmetrically disposed on opposite sides of a center line bisecting the major surface. The netting has first and second opposing major surfaces transverse to the major surfaces of the first and second ribbons. The first major surface of the netting includes the first edges of the first ribbons, and the second major surface includes the second edges of the second ribbons. The first ribbons do not extend to the second major surface, and the second ribbons do not extend to the first major surface. Articles including the netting, an extrusion die, and a method useful for making the netting are also disclosed.

Polymeric netting of strands and first and second ribbons and methods of making the same

Polymeric layer having first and second, generally opposed major surfaces, comprising an array of openings extending between the first and second major surfaces. The polymeric layers are useful, for example, as components in personal care garments such as diapers and feminine hygiene products. They can also be useful for filtering (including liquid filtering) and acoustic applications.

Methods of making films comprising an array of openings

Growing community of inventors

Hudson, WI, United States of America

William J Kopecky