3m Innovative Properties Company

Solventum Intellectual Properties Company

University of Colorado

3m Espe Ag

Other

Georgia Tech Research Corporation

3m Immovative Properties Company

3m Deutschland Gmbh

Ahmed Salih Abuelyaman

Babu Nana Gaddam

Bradley Dene Craig

Joel D Oxman

Guy D Joly

William H Moser

Larry R Krepski

Kevin Michael Lewandowski

Sumita Basu Mitra

Ann R Fornof

Afshin Falsafi

Prabhakara Satyauolu Rao

Duane Douglas Fansler

Steven M Aasen

Serkan Yurt

John M Riedesel

Zeba Parkar

Paul J Homnick

Thomas P Klun

Steven M Heilmann

Todd D Jones

Maureen Ann Kavanagh

Timothy D Dunbar

Richard John Pokorny

Michael S Wendland

Wayne Scott Mahoney

Naimul Karim

Adrian S Eckert

Saswata Chakraborty

Thomas Luchterhandt

Brian A Shukla

Chad M Amb

Tianyu Wu

Daniel J Skamser

David K Cinader, Jr

James D Hansen

Robert Steven Clough

Yizhong Wang

Eric Wayne Nelson

Chuntao Cao

Gregory A Kobussen

Amanda K Leone

Yongshang Lu

Reinhold Hecht

Karl J L Geisler

David J Plaut

Victoria A Russell

Markus Watermann

Benjamin C MacMurray

George W Griesgraber

James M Nelson

Robert J DeVoe

Mario Alberto Perez

Peter Bissinger

Christopher Bowman

Ta-Hua Yu

Christoph H Thalacker

Richard B Ross

Karsten Dede

Thomas Klettke

Jonathan E Janoski

Lani S Kangas

Benjamin R Coonce

Hendrik M Grupp

Carla S Thomas

Hoa T Bui

Ian Dailey

Ikuko Ebihara

Christopher J Kloxin

Jodi L Connell

Guenther Lechner

Dana R Reed

Miriam Hansen

Hee Young Park

Marcelino Salviejo-Rivas

Robert L Lee

Michael A Kropp

Hassan Sahouani

Ying-Yuh Lu

Joseph D Rule

Joachim Zech

Stephen B Roscoe

James C Powers

Scott A Burton

Jung-Sheng Wu

Carsten Franke

Claire Hartmann-Thompson

Brian N Holmes

Kelly A Volp

Markus Mikulla

Ying Lin

Tao Gong

Shih-Hung Chou

Steven C Stickels

Lin Chen

Paul Hattam

Kolby L White

Gail S Boardman

A curable composition comprises at least one monomer comprising at least one (meth)acryl group and a photoinitiator system. The photoinitiator system comprises at least one Type II photoinitiator and at least one cyclic β-diketone represented by the formula (I) or a tautomer thereof. Rrepresents an organic moiety having at least one free-radically polymerizable group. Each Rindependently represents H or an aliphatic group having from 1 to 12 carbon atoms, and up to two of oxygen and sulfur atoms, n represents 1, 2, or 3.

Curable compositions and methods of using the same

A polymerizable composition is described comprising at least one monomer, oligomer, polymer, or a combination thereof comprising ethylenically unsaturated groups; and at least one cyclic imide monomer comprising an α, β-unsaturated carbonyl. The cyclic imide monomer comprises an imide group and the α, β-unsaturated carbonyl in a heterocyclic ring wherein the ring comprises at least 6 covalently bonded atoms. Also described are cyclic imide monomers, (e.g. hardcoat) compositions, methods of making a coated substrate, cyclic imide monomers, and methods of making cyclic imide monomers.

Imide addition-fragmentation agents

An adhesive composition is described comprising at least one cyclic imide monomer comprising an unsaturated carbonyl. The adhesive composition is a polymerizable composition or a polymerized composition. The polymerizable adhesive composition may comprise at least one monomer, oligomer, polymer, or a combination thereof comprising ethylenically unsaturated groups and/or an epoxy resin. The cyclic imide monomer may comprise an imide group with an α, β-unsaturated carbonyl in a heterocyclic ring wherein the ring comprises at least 6 covalently bonded atoms. Also described are methods of forming an adhesive coated substrate and articles.

Adhesives comprising cyclic imide addition-fragmentation and adhesion agents

Polymerizable compositions suitable for use for 3D printed (e.g. orthodontic) articles, especially orthodontic alignment trays, are described. The polymerizable composition comprises a) 30-70 parts by weight of (meth)acrylate monomer(s); and b) urethane (meth)acrylate polymer; wherein the reaction product comprises at least 1 wt. % polymerized units of a multifunctional compound comprising pendent cyclic moieties. The orthodontic article comprises the reaction product of a polymerizable composition as described herein. The urethane (meth)acrylate polymer typically comprises polymerized units of a multifunctional compound comprising pendent cyclic moieties and/or at least one (meth)acrylate monomer comprises polymerized units of a multifunctional compound comprising pendent cyclic moieties. Also described are methods of making an article, non-transitory machine-readable medium comprising data representing a three-dimensional model of an article, and systems.

Orthodontic articles comprising polymerized composition with pendent cyclic moieties, methods, and polymerizable compositions

A dental composition is provided. The dental composition includes at least one monomer comprising at least two ethylenically unsaturated groups; and an addition-fragmentation agent comprising at least one cyclic imide monomer comprising an α, β-unsaturated carbonyl.

Dental compositions

The present disclosure provides an orthodontic article including the reaction product of the polymerizable composition. Further, the present disclosure provides polymerizable compositions and methods of making an orthodontic article. The method includes obtaining a polymerizable composition and selectively curing the polymerizable 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, polymerizable compositions, and methods of making the articles

Curable compositions comprise at least one (meth)acrylate monomer; silver; and a photoinitiator system. The photoinitiator system comprises at least one cyclic β-diketone represented by the formula (I) or a tautomer thereof, wherein: Rrepresents H or an organic moiety having from 1 to 32 carbon atoms and optionally 1 to 12 heteroatoms selected from O, N, and combinations thereof; each Rindependently represents H or an aliphatic group having from 1 to 12 carbon atoms, and up to two of oxygen and sulfur atoms; and n represents 1, 2, or 3; and at least one Type II photoinitiator. Methods of making and using the compositions are also disclosed.

The present disclosure provides a photopolymerizable composition. The photopolymerizable composition includes at least one polypropylene oxide component and an initiator, plus optionally a urethane component, a multifunctional reactive diluent, and/or an inhibitor. The present disclosure also provides an article including the reaction product of the photopolymerizable composition. Typically, the article exhibits an elongation at break of 30% or greater. Further, the present disclosure provides a method of making an article. The method includes (i) providing a photopolymerizable composition and (ii) selectively curing the photopolymerizable composition to form an article. The method optionally also includes (iii) curing unpolymerized polypropylene oxide component, urethane component and/or multifunctional reactive diluent remaining after step (ii). Further, methods are 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 polypropylene oxide component, articles, and methods

A polymerizable compound is represented by the formula (I). Each Rindependently represents a monovalent group having from 3 to 12 carbon atoms that comprises at least one of an epoxy group, an acryl group, or a methacryl group. Each Rindependently represents H, F, Cl, Br, C-Calkyl, C-Ccarbonylalkyl, or C-Ccarboalkoxy. Each Rindependently represents H, F, Cl, Br, C-Calkyl, C-Ccarbonylalkyl, or C-Ccarboalkoxy. Each n is independently 0, 1, 2, 3, or 4. Curable compositions including the polymerizable compound are also disclosed.

Polymerizable 4,4'-spirobi[chromane]-2,2′-diones and curable compositions including the same

A curable dental composition includes a compound having structural formula (A) where X is an amine-, oxygen-, or sulfur-containing linkage; Y is an amine-, oxygen-, or sulfur-containing linkage; n is 1-15; m is 1-5; p is 1-5, with the proviso that when p is greater than 1, m is 1; each Ris, independently, an alkyl or aryl group having 2 to 20 carbon atoms that is linear, branched, cyclic, or some combination thereof, and optionally includes one or more heteroatoms or unsaturated bonds; and each Ris, independently, a hydrogen atom or CHThe composition also includes filler. The filler is present in an amount of at least 25 wt.-%, based on the total weight of the curable dental composition.

Curable dental compositions and uses thereof

An orthodontic article is described comprising the reaction product of a free-radically polymerizable resin; a first free-radical photoinitiator having sufficient absorbance at a first wavelength range; and a second free-radical initiator selected from a second photoinitiator having sufficient absorbance at a second wavelength range, wherein the second wavelength range is different than the first wavelength range, or a thermal free-radical initiator. In some embodiments, the first free-radical photoinitiator exhibits a maximum absorbance at a wavelength of the range of 370-380 nm or 320-330 nm and/or comprises photoinitiator groups selected from acyl phosphine oxide or alkyl amine acetophenone. Also described are photopolymerizable compositions and methods.

Orthodontic articles comprising polymerized composition comprising at least two free-radical initiators

Dental compositions and methods of formulating a dental composition are described. In one embodiment, the dental composition comprises a polymerizable resin comprising one or more ethylenically unsaturated monomers or oligomers and nanoparticles. The nanoparticles have a refractive index of at least 1.600 and an average discrete or aggregate particle size of no greater than 100 nm. The dental composition further comprises inorganic metal oxide filler having a discrete or aggregate average particle size of at least 200 nm. The nanoparticles are present at a concentration to provide a refractive index differential between the cured polymerizable resin and inorganic metal oxide filler such that the contrast ratio of the dental composition is at least 40.

Dental compositions comprising nanoparticles providing a refractive index differential between polymerizable resin and filler

Disclosed herein are non-aqueous compositions including: a flowable Part A including at least one resin and Reactant A; and a flowable Part B including at least one resin and Reactant B; wherein at least one of flowable Part A and flowable Part B further includes a free radically polymerizable resin; wherein at least one of flowable Part A and flowable Part B further includes a free radical initiator system; wherein flowable Part A and flowable Part B are capable of being mixed to provide a flowable mixed composition; wherein when flowable Part A and flowable Part B are mixed, Reactant A and Reactant B are capable of interacting to cause a non-free radical reaction within a first staging time to provide a first staged stable consistency for the mixed composition; wherein Reactant A comprises an acid and Reactant B comprises a base, and upon mixing flowable Part A and flowable Part B, the Reactant A acid is capable of reacting with the Reactant B base in an ionic acid-base reaction; and wherein the mixed composition having the first staged stable consistency is capable of forming a hardened dental composition upon initiation of free radical polymerization.

Multi-part dental composition having staged viscosity prior to hardening

The present disclosure provides a photopolymerizable composition. The photopolymerizable composition includes at least one urethane component, at least one monofunctional reactive diluent, an initiator, and optionally an inhibitor. The present disclosure also provides an article including the reaction product of the photopolymerizable composition. Further, the present disclosure provides a method of making an article. The method includes (i) providing a photopolymerizable composition and (ii) selectively curing the photopolymerizable composition to form an article. The method optionally also includes (iii) curing unpolymerized urethane component and/or reactive diluent remaining after step (ii). Further, methods are 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 urethane component and a monofunctional reactive diluent, articles, and methods

Growing community of inventors

Woodbury, MN, United States of America

Ahmed Salih Abuelyaman