3m Innovative Properties Company

Minnesota Mining and Manufacturing Company

Other

Gemalto Sa

David B Olson

Brant Ulrick Kolb

Clinton L Jones

Emily S Goenner

Richard John Pokorny

Bryan V Hunt

Audrey A Sherman

Stephen A Johnson

Patricia M Savu

Richard G Hansen

David S Hays

Evan L Schwartz

Lee A Pavelka

Thomas P Klun

Kyle J Lindstrom

Shandon Dee Hart

Martin B Wolk

Albert I Everaerts

Larry R Krepski

Olester Benson, Jr

Mieczyslaw H Mazurek

Michael Benton Free

Ying-Yuh Lu

Christopher Bland Walker, Jr

Dong-Wei Zhu

Roger A Mader

Todd R Williams

Joan M Noyola

Robert F Kamrath

Babu Nana Gaddam

Steven M Heilmann

Timothy J Hebrink

Douglas Scott Dunn

Encai Hao

Robert Steven Clough

Kui Chen-Ho

Yongshang Lu

Bruce Brandon Wilson

Matthew T Scholz

Duane Douglas Fansler

Nusrallah Jubran

Guy D Joly

Jun-Ying Zhang

Naimul Karim

Scott Melvyn Tapio

Todd D Jones

Ross E Behling

Eric Wayne Nelson

Jie Yang

Louis C Haddad

Dwight W Jacobs

Jingjing Ma

Steven H Kong

David M Burns

Bettie C Fong

Anthony M Renstrom

Judith M Invie

Craig E Hamer

Cheryl L Moore

Taun L McKenzie

John T Cowher

Randy A Larson

Terry O Collier

Justin P Meyer

Bimal V Thakkar

Diane North

Michael D Determan

Michelle Lund Toy

Saswata Chakraborty

John T Brady

Gary E Gaides

Zeba Parkar

David S Arney

Christopher K Haas

Benjamin R Coonce

Ignatius A Kadoma

Chad M Amb

John M Riedesel

Tianyu Wu

Ian Dailey

David W Meitz

Peiwang Zhu

David R Boston

Michael J Parent

Daniel W Hennen

James E Lasch

Jianhui Xia

Douglas A Hanggi

James F Sanders

Brett J Sitter

Travis L Potts

Mark J Hendrickson

Timothy D Filiatrault

John T Strand

Daryle Hadley Busch

Zhong Chen

Zayn Bilkadi

Richard E Bennett

Nathaniel K Naismith

John T Capecchi

An optical adhesive including a viscoelastic or elastomeric adhesive layer and a cured polymer layer immediately adjacent the viscoelastic or elastomeric adhesive layer is described. The viscoelastic or elastomeric adhesive layer a refractive index less than 1.570 and the cured polymer layer has a refractive index of at least 1.570. An interface between the viscoelastic or elastomeric adhesive layer and the cured polymer layer is structured. The cured polymer layer has a storage modulus of at least 2000 MPa at 20&#xb0; C. and a glass transition temperature of no more than 65&#xb0; C.

Optical adhesive

The present disclosure provides a photopolymerizable composition. The photopolymerizable composition includes a) 40-60 parts by weight of a monofunctional (meth)acrylate monomer, per 100 parts of the total photopolymerizable composition; b) a photoinitiator; and c) a polymerization reaction product of components. A cured homopolymer of the monofunctional (meth)acrylate monomer has a glass transition temperature of 125 degrees Celsius or greater. The polymerization reaction product of components includes i) a diisocyanate; ii) a hydroxy functional methacrylate; iii) a polycarbonate diol; and iv) a catalyst. The polymerization reaction product includes a polyurethane methacrylate polymer. Often, the polycarbonate diol has a number average molecular weight of greater than 1,000 grams per mole (g/mol) or a weighted average of all polycarbonate diols present in the components has a Mn of greater than 1,000 g/mol; alternatively, the polyurethane methacrylate polymer has a weight average molecular weight of 8,000 g/mol or greater. An article is also provided including the photopolymerizable composition reaction product. Further, the present disclosure provides articles and methods of making articles. Methods are additionally 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 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.

Photopolymerizable compositions including a polyurethane methacrylate polymer prepared using a polycarbonate diol, articles, and methods

A composition that includes a blend of a pressure sensitive adhesive and an ultraviolet light-absorbing oligomer. The oligomer has a first divalent unit having a pendent ultraviolet absorbing group and a second divalent unit represented by formula in which Ris hydrogen or methyl, and Ris alkyl having from 4 to 20 carbon atom. Articles including the composition are disclosed. For example, an assembly including a barrier film and the composition is also disclosed. 

Pressure sensitive adhesive composition including ultraviolet light-absorbing oligomer

The present disclosure provides an orthodontic article including the reaction product of the photopolymerizable composition. The photopolymerizable composition includes i) a monofunctional (meth)acrylate monomer whose cured homopolymer has a glass transition temperature of 90 degrees Celsius or greater; ii) a photoinitiator; and iii) a polymerization reaction product of components. The components include 1) an isocyanate; 2) a (meth)acrylate mono-ol; 3) a polycarbonate diol; and 4) a catalyst. Further, the present disclosure provides a method of making an orthodontic article. The method includes obtaining a photopolymerizable composition and selectively curing the photopolymerizable composition to form an orthodontic article. Further, methods are provided, including receiving, by a manufacturing device having one or more processors, a digital object comprising data specifying an orthodontic article; and generating, with the manufacturing device by an additive manufacturing process, the orthodontic article based on the digital object. A system is also provided, including a display that displays a 3D model of an orthodontic 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 orthodontic article.

Orthodontic articles prepared using a polycarbonate diol, and methods of making same

The present application generally relates to EAA films including at least one triazine-based ultraviolet absorber. The present application also generally relates to retroreflective sheeting including an EAA film including a triazine-based ultraviolet absorber. One embodiments of the present application relates to a film, comprising poly(ethylene-co-acrylic acid) and a triazine-based UVA. Another embodiment of the present application relates to retroreflective sheeting, comprising: a plurality of cube corner elements; and a body layer adjacent to the cube corner elements, the body layer including poly(ethylene-co-acrylic acid) and a triazine-based UVA.

Films including triazine-based ultraviolet absorbers

A composition that includes a blend of a fluoropolymer and an ultraviolet light-absorbing oligomer. The oligomer has a first divalent unit having a pendent ultraviolet absorbing group and at least one of a second divalent unit that is non-fluorinated or a third divalent unit that is fluorinated. The pendent ultraviolet absorbing group can include a triazine group. The composition can be an extruded film. A method of making such an extruded film is also disclosed.

Fluoropolymer composition including an oligomer having an ultraviolet absorbing group

A copolymer that includes first divalent units having a pendent ultraviolet absorbing group, second divalent units represented by formula (I):, and third divalent units represented by formula (II):. Each Ris independently hydrogen or methyl; Ris a straight-chain or branched alkyl having from 1 to 20 carbon atoms; V is O or NH; W is alkylene having from 1 to 10 carbon atoms; and each R' is independently alkyl having from 1 to 6 carbon atoms. Compositions including the copolymer, for example, pressure sensitive adhesive compositions are disclosed. Articles including the compositions are disclosed. For example, an assembly including a barrier film and the pressure sensitive adhesive composition is also disclosed. 

Copolymer including ultraviolet light-absorbing group and compositions including the same

Compositions of matter capable of being cast and cured to form a microreplicated pattern on a substrate, and further capable of swelling on exposure to water so as to release from that substrate. Water swellable acrylic polymers formed from these compositions, and methods of using same in nanoimprint lithography are also disclosed.

Swellable film forming compositions and methods of nanoimprint lithography employing same

A composition that includes a blend of a fluoropolymer and an ultraviolet light-absorbing oligomer. The oligomer has a first divalent unit having a pendent ultraviolet absorbing group and a second divalent unit represented by formula (I): At least one of the following limitations is also met: the ultraviolet light-absorbing oligomer further comprises a third divalent unit comprising a pendent 2,2,6,6-tetramethylpiperidinyl group, or the composition further comprises a second oligomer comprising a third divalent unit comprising a pendent 2,2,6,6-tetramethylpiperidinyl group at least one of the second divalent units. Articles including the composition are disclosed. The composition can be an extruded film. A method of making such an extruded film is also disclosed. 

Fluoropolymer composition including at least one oligomer

Laser-personalizable security articles include multi-layer security documents. The multi-layer security document includes an optically transparent cover layer, a composite image and an imagable layer adjacent to the cover layer. The first surface of the cover layer is at least partially a microstructured surface, where the microstructured surface forms microlenses or a lenticular surface. The composite image is made by a collection of complete or partial images viewed through the microstructured surface of the cover layer. The composite image is located on or within the second surface of the cover layer. The imagable layer is a laser imagable layer. When imaged, a personalized second composite three dimensional image is created on or in the imagable layer.

Laser-personalizable security articles

Optical films are described having a polymerized microstructured surface that comprises the reaction product of a polymerizable resin composition comprising at least one polymerizable ethylenically unsaturated triphenyl monomer. Also described are certain triphenyl (meth)acrylate monomers and polymerizable resin compositions.

Triphenyl monomers suitable for microstructured optical films

Transfer films, articles made therewith, and methods of making and using transfer films to form bridged nanostructures are disclosed.

Articles with lamination transfer films having engineered voids

A composition is disclosed. The composition comprises at least one polymeric colorant having a polymer component with a colorant component covalently bound thereto, a medicament, and a liquid vehicle. The at least one colorant component does not react directly or indirectly with the medicament. Methods of using the polymeric colorants, including a method for the preparation of skin as a site for a surgical procedure and a method of treating a medical condition, are also provided.

Polymeric colorant compositions and methods of use

A thermoplastic copolymer that includes a first divalent unit having a pendent ultraviolet absorbing group and a second divalent unit that is fluorinated. A fluoropolymer composition including the thermoplastic copolymer is also disclosed.

Copolymers including ultraviolet absorbing groups and fluoropolymer compositions including them

The present application generally relates to EAA films including at least one triazine-based ultraviolet absorber. The present application also generally related to retroreflective sheeting including an EAA film including a triazine-based ultraviolet absorber. One embodiments of the present application relates to a film, comprising poly(ethylene-co-acrylic acid) and a triazine-based UVA. Another embodiment of the present application relates to retroreflective sheeting, comprising: a plurality of cube corner elements; and a body layer adjacent to the cube corner elements, the body layer including poly(ethylene-co-acrylic acid) and a triazine-based UVA.

Growing community of inventors

Marine on St. Croix, MN, United States of America

David B Olson