3m Innovative Properties Company

Minnesota Mining and Manufacturing Company

Imation Corporation

Ramesh C Kumar

Zai-Ming Qiu

George G I Moore

John Charles Clark

David S Hays

Richard G Hansen

James G Carlson

Suresh Iyer

Steven S Kantner

Chetan P Jariwala

Kanta Kumar

Miguel Antonio Guerra

Yu Yang

David J Kinning

Sonja S Mackey

Matthew T Scholz

Audrey A Sherman

Thomas P Klun

Smarajit Mitra

Ranjani V Parthasarathy

Jitendra Singh Rathore

Joseph T Bartusiak

Jeffrey T Anderson

Nelson T Rotto

Ravindra L Arudi

Adam R Wohl

Albert I Everaerts

William Ward Merrill

Jayshree Seth

Gary Timothy Boyd

Jeffrey O Emslander

Hassan Sahouani

Ying-Yuh Lu

Amanda Catherine Engler

Michael D Crandall

Roger A Mader

Gilbert L Eian

Richard B Ross

Suman K Patel

Alan R Kirk

Steven P Swanson

Mark F Ellis

Marie A Boulos

John W Frank

Jacob D Young

Taun L McKenzie

Ignatius A Kadoma

Jeffrey P Kalish

Yvan A Bogaert

Michael A Semonick

Richard L Peloquin

Christopher Miles Evans

Roberta E Harelstad

J Sundar Rajan

Gregg Alexander Caldwell

Colin F Norman

John C Haidos

Joey L Reule

James A Greczyna

Sundaravel Damodaran

Phillip H Henna

Joseph A Severance

Ruth M Erkkila

Milton H Andrus, Jr

Timothy M Hackbarth

John Allen Wheatley

Jerald K Rasmussen

George W Griesgraber

Mieczyslaw H Mazurek

Encai Hao

William D Coggio

Mahfuza B Ali

Michael L Steiner

Lan Hong Liu

James P DiZio

Rajdeep S Kalgutkar

John James Stradinger

Robert F Kamrath

Timothy A Mertens

Kevin M Hamer

Steven L Kangas

John C Chang

William F Edmonds

Douglas A Hanggi

Maria A Appeaning

Kiu-Yuen Tse

Richard A Mallo

Hannah C Cohen

Andrew W Vail

Erin A Satterwhite

Lin Chen

James Patrick DiZio

Takatoshi Ohkubo

Ibrahim A El Hedok

Jon A Bjork

Frederick J Gustafson

Charles W Graves

Catherine D Heapy

Haoming Rong

Robert C Francis

Described herein is a latex coating composition comprising particles of polymer and articles therefrom, wherein at least 60% of interpolymerized monomeric units of the polymer are of formula I, wherein Ris H or CH, L is an alkylene group comprising 1-4 carbon atoms, Rand Rare independently selected from an alkyl group comprising 1 to 3 carbon atoms, n is an integer from 11 to 21, and A is a counter anion.

Aqueous-based release coatings and article therefrom

Compositions and films are described comprising a polylactic (PLA) polymer and a copolymer comprising a first moiety comprising a C12-C30 alkyl group and a second moiety that is miscible in the composition. Suitable first moieties include a C12-C30 alkyl (meth)acrylate or a polyvinyl alcohol comprising pendent C12-C30 alkyl groups. Suitable second moieties include C1-C10 (meth)acrylic acid or ester thereof, vinyl acetate and ethylene vinyl acetate. The aforementioned composition may be used to form a release layer of an adhesive article such as a pressure sensitive adhesive tape. The films may be a monolithic film or a film layer of a multilayer film. The release layer may be disposed upon a substrate layer that may also comprise PLA. The films are produced by melt extrusion of the aforementioned composition and may be oriented.

Composition and films comprising polylactic acid polymer and copolymer comprising long chain alkyl moiety

A method of making a silicone gel adhesive is described comprising providing an acrylic polymer, the acrylic polymer comprising at least 50 wt.-% of polymerized units of C1-C32 (meth)acrylate ester monomer; providing at least one non-functional polydiorganosiloxane, hydroxy-functional polydiorganosiloxane, or a mixture thereof; combining the acrylic polymer and polydiorganosiloxane into a mixture; coating the mixture onto a substrate, and subjecting the mixture to radiation thereby crosslinking the mixture. Also described is a silicone gel adhesive comprising a crosslinked material at least one non-functional polydiorganosiloxane, hydroxy-functional polydiorganosiloxane, or a mixture thereof; and an acrylic polymer comprising at least 50 wt.-% of polymerized units of alkyl (meth)acrylate monomers and a gel content of at least 20 wt.-%. Also described is a medical article or intermediate thereof, comprising a layer of the silicone gel adhesive described herein adhered to a substrate; and methods of adhering a medical article.

Gel adhesive comprising crosslinked blend of polydiorganosiloxane and acrylic polymer

Disclosed herein are methods that include contacting a skin surface with a first liquid composition; and then contacting in the skin surface with a cationic coated article loaded with a second liquid composition, while at least some portion of the first liquid composition remains on the skin surface, wherein one or both of the first liquid composition or the second liquid composition includes acrylate copolymer particles dispersed therein, the acrylate copolymer particles including the reaction product of a reaction mixture, the reaction mixture including monomers, the monomers including from about 5 wt % to about 50 wt % of at least one high Tg monomer where the wt % of the high Tg monomer is with respect to the total weight of the monomers in the reaction mixture; and from about 20 wt % to about 80 wt % of at least one low Tg monomer where the wt % of the low Tg monomer is with respect to the total weight of the monomers in the reaction mixture, wherein the particles have a number average diameter of at least about 100 nm and wherein at least one and only one of the first or the second composition comprises greater than or equal to 60 wt % of at least one alcohol.

Methods of removing spores comprising alcohol, acrylate copolymer particles, and a cationic coated article

A method of making an adhesive article is described comprising melt extruding a core film layer comprising a composition comprising at least 50% of a polylactic acid polymer. The method further comprises melt extruding an adhesive layer on a major surface of the core film layer such that regions of interdiffusion are present between the core film layer and adhesive layer. The adhesive layer may comprise C1-C10 (meth)acrylic acid or ester thereof, vinyl acetate, ethylene vinyl acetate, hydrolysed polyvinyl alcohol and combinations thereof. The adhesive layer may also be a pressure sensitive adhesive. The method further comprises melt extruding a release film layer on an opposing major surface of the core film layer. The layers are sequentially extruded or co-extruded and can be uniaxially or biaxially oriented. Articles comprising a core film layer comprising a composition comprising at least 50% of a polylactic acid polymer and an adhesive layer disposed on a major surface of the core layer are also described.

Adhesive articles comprising polylactic acid polymer film and method of making

A composition, and article including such composition, wherein the composition includes a silsesquioxane polymer and a free siloxane; wherein the silsesquioxane polymer includes a three-dimensional network of Formula (I): wherein: each Rand Ris independently a (C1-C4)alkyl; each Land Lis independently a single bond, an alkylene, or an alkylene bonded to a group selected from oxy, thio, carbonyl, &#x2014;NH&#x2014;, and combinations thereof; each Ris independently a linear (C14-C100)alkyl; each R5 is independently a (C1-C30)alkyl, a (C1-C30)fluorinated alkyl, or a (C2-C30)heteroalkyl having at least one oxygen, sulfur, or &#x2014;NH&#x2014; group; with the proviso that L, L, and R5 are selected such that each Si atom is directly bonded to an alkylene or an alkyl; m is an integer of at least 2; n is an integer of 0 or above; m+n is an integer of at least 10; each oxygen atom at an asterisk (*) is bonded to another Si atom within the three-dimensional network; and the silsesquioxane polymer is a solid at 25&#xb0; C. 

Compositions including a silsesquioxane polymer and a free siloxane, and articles

A copolymer composition that includes a silicone copolymer, methods of making the composition, and articles that include the composition, wherein the copolymer composition includes a silicone copolymer having a backbone composition that includes: silicone segments in an amount of 5 wt-% to 40 wt-%, based on the total weight of the silicone copolymer; hydrophilic segments in an amount of 40 wt-% to 75 wt-%, based on the total weight of the silicone copolymer; and reinforcing segments in an amount of 5 wt-% to 30 wt-%, based on the total weight of the silicone copolymer, wherein the reinforcing segments are derived from the reaction of one or more chain extenders with one or more multi-functional isocyanates, multi-functional carboxylic acids, multi-functional anhydrides, multi-functional esters, and/or multi-functional acid halides; wherein the silicone segments, hydrophilic segments, and reinforcing segments are connected through urea, urethane, amide, and/or oxamide linkages; wherein the hydrophilic segments and the reinforcing segments are present in a weight ratio of 1.8:1 to 8:1; and the hydrophilic segments and the silicone segments are present in a weight ratio of 1.3:1 to 4.5:1.

Silicone copolymers, methods of making, and articles

A silsesquioxane polymer, composition, method, and article including such polymer, wherein the polymer includes a three-dimensional network of Formula (I): wherein: each Rand Ris independently a (C1-C4)alkyl; each Land Lis independently in a single bond, an alkylene, or an alkylene bonded to a group selected from oxy, thio, carbonyl, &#x2014;NH&#x2014;, and combinations thereof; each Ris independently a linear (C14-C100)alkyl; each Ris independently a (C1-C30)alkyl, (C2-C30)heteroalkyl having at least one oxygen, sulfur, or &#x2014;NH&#x2014; group, or a (C1-C30)alkyl substituted with a fluoro, thiol, isocyanato, cyanato, hydroxyl, glycidoxy, or epoxy group; with the proviso that L, L, and Rare selected such that each Si atom is directly bonded to an alkylene or an alkyl; m is an integer of at least 3; n is an integer of 0 or above; m+n is an integer of at least 3; each oxygen atom at an asterisk (*) is bonded to another Si atom within the three-dimensional network; and the silsesquioxane polymer is a solid at 25&#xb0; C. 

Silsesquioxane polymers, compositions, methods, and articles

Segmented silicone polyamide block copolymers that comprise dimer acid residues and articles containing the same.

Segmented silicone polyamide block copolymers and articles containing the same

A silsesquixane polymer, a composition including such silsesquixane polymer, and an article including such polymer or composition, wherein the composition includes a silsesquioxane polymer and a free siloxane; wherein the silsesquioxane polymer includes a three-dimensional network of Formula (I): wherein: each Rand Ris independently a (C1-C4)alkyl; each Lis independently a single bond, an alkylene, or an alkylene bonded to a group selected from oxy, thio, carbonyl, &#x2014;NH&#x2014;, and combinations thereof; each Ris independently a linear (C14-C100)alkyl; with the proviso that Lis selected such that each Si atom is directly bonded to an alkylene or an alkyl; m is an integer of at least 2; n is an integer of at least 1; m+n is an integer of at least 10; each oxygen atom at an asterisk (*) is bonded to another Si atom within the three-dimensional network; and the silsesquioxane polymer is a solid at 25&#xb0; C. 

Silsesquioxane polymers, compositions, and articles

Methods for preparing silicone-containing polymers by essentially adiabatic polymerization methods are disclosed. The polymerization system includes free radically polymerizable monomers. The monomers include ethylenically unsaturated silicone-containing monomers and/or mercapto-functional silicones as well as additional free radically polymerizable monomers. The silicone-containing polymers are useful as adhesives or release materials.

Bulk polymerization of silicone-containing copolymers

The disclosure relates to articles comprising a substrate, a pressure sensitive adhesive, and a release layer, wherein the release layer comprises at least one silicone carbonate polymer.

Silicone carbonate polymers as release layers for pressure sensitive adhesive containing articles

Disclosed herein are compositions that include at least about 85 wt % of a hydroalcoholic solution that includes at least about 1 wt % water; and about 30 to about 85 wt % of at least one C1 to C4 alkyl alcohol based on the total weight of the hydroalcoholic solution; and acrylate copolymer particles dispersed in the hydroalcoholic solution, the acrylate copolymers particles being the reaction product of a reaction mixture, the reaction mixture including monomers, the monomers including from about 5 wt % to about 50 wt % of at least one high Tg monomer; and from about 20 w % to about 80 wt % of at least one low Tg monomer where the wt % of the low and high Tg monomers are with respect to the total weight of the monomers in the reaction mixture, wherein the particles have a number average diameter of at least about 100 nm.

Compositions for spore removal

An optical article includes an optical element, a low refractive index layer disposed on the optical element having an effective refractive index of 1.3 or less and a polymeric protective layer disposed on the low refractive index layer. The low refractive index layer includes a binder, a plurality of metal oxide particles dispersed in the binder, and a plurality of interconnected voids. The polymeric protective layer does not increase an effective refractive index of the optical article by greater than 10%.

Optical element with a porous low refractive index layer having a protection layer

Growing community of inventors

Woodbury, MN, United States of America

Ramesh C Kumar