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公开(公告)号：US08470439B2
公开(公告)日：2013-06-25
申请号：US13690064
申请日：2012-11-30
Applicant: 3M Innovative Properties Company
Inventor： Christopher B. Walker, Jr. , Marc D. Radcliffe , Thomas P. Klun , Lan H. Liu , Richard J. Pokorny , William D. Coggio , Chuntao Cao , Mark J. Pellerite , Paul C. Kelley , Robert J. Fleming
CPC classification number: G02B1/111 , Y10T428/24942 , Y10T428/25 , Y10T428/254 , Y10T428/256 , Y10T428/265 , Y10T428/269 , Y10T428/3154 , Y10T428/31935
Abstract: Antireflective films are described having a surface layer comprising a the reaction product of a polymerizable low refractive index composition comprising at least one free-radically polymerizable fluoropolymer and surface modified inorganic nanoparticles. A high refractive index layer is coupled to the low refractive index layer. In one embodiment, the high refractive index layer comprises surface modified inorganic nanoparticles dispersed in a crosslinked organic material. The antireflective film is preferably durable, exhibiting a haze of less than 1.0% after 25 wipes with steel wool using a 3.2 cm mandrel and a mass of 1000 grams.
Abstract translation: 描述了具有包含包含至少一种可自由基聚合的含氟聚合物和表面改性的无机纳米颗粒的可聚合低折射率组合物的反应产物的表面层的抗反射膜。 高折射率层耦合到低折射率层。 在一个实施方案中，高折射率层包含分散在交联的有机材料中的表面改性的无机纳米颗粒。 抗反射膜优选耐用，在使用3.2cm心轴和质量为1000克的钢丝绒进行25次擦拭之后，其雾度小于1.0％。
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公开(公告)号：US20240228376A1
公开(公告)日：2024-07-11
申请号：US18559528
申请日：2022-05-12
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Lan H. Liu , Richard J. Pokorny , Thomas P. Klun , Yong K. Wu , Bathsheba E.F. Chong Conklin
IPC: C04B14/42 , C04B14/28 , C04B26/06 , C04B103/00 , C04B111/00
CPC classification number: C04B14/42 , C04B14/28 , C04B26/06 , C04B2103/0011 , C04B2103/0094 , C04B2111/00672
Abstract: A wall compound for use in all applications and particularly well-suited indicating dryness with a durable, visible change in color.
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33.发明授权公开(公告)号：US11904031B2
公开(公告)日：2024-02-20
申请号：US16754186
申请日：2018-11-20
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Saswata Chakraborty , Benjamin C. MacMurray , Eric W. Nelson , Thomas P. Klun , Richard J. Pokorny , Wayne S. Mahoney , Chad M. Amb , George W. Griesgraber , Dana R. Reed , Ahmed S. Abuelyaman , Robert S. Clough , James D. Hansen , Daniel J. Skamser , Ian Dailey , John M. Riedesel
IPC: A61K6/62 , A61C7/08 , A61C7/00 , A61K6/893 , C08L75/14 , B33Y70/00 , B33Y80/00 , B33Y10/00 , B29C64/124
CPC classification number: A61K6/62 , A61C7/002 , A61C7/08 , A61K6/893 , B29C64/124 , B33Y10/00 , B33Y70/00 , B33Y80/00 , C08L75/14
Abstract: 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.
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公开(公告)号：US11708428B2
公开(公告)日：2023-07-25
申请号：US17344096
申请日：2021-06-10
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Thomas P. Klun , Zeba Parkar , John M. Riedesel , Richard J. Pokorny , Chad M. Amb , Benjamin R. Coonce , Robert S. Clough , Tianyu Wu , Saswata Chakraborty , Yongshang Lu , Benjamin C. MacMurray
IPC: C08F2/46 , C08F2/50 , C08G61/04 , B33Y10/00 , B33Y30/00 , B33Y70/00 , B29C64/129 , C08F2/44 , C08F220/18 , C08F290/06 , C08G18/44 , C08G18/67 , C08K5/00 , C08K5/3437
CPC classification number: C08F2/50 , B29C64/129 , B33Y10/00 , B33Y30/00 , B33Y70/00 , C08F2/44 , C08F220/18 , C08F290/06 , C08G18/44 , C08G18/672 , C08K5/0041 , C08K5/3437
Abstract: 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 polyurethane methacrylate polymer has a weight average molecular weight of 8,000 g/mol or greater. The present disclosure further provides an article and methods thereof.
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公开(公告)号：US20220410511A1
公开(公告)日：2022-12-29
申请号：US17780560
申请日：2020-12-01
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Gregg A. Ambur , Douglas S. Dunn , Henry A. Kostalik, IV , Christopher S. DeGraw , Thomas P. Klun , Benjamin R. Coonce , Richard J. Pokorny , Chunjie Zhang , Laurent Froissard , Joseph S. Warner
Abstract: An optical assembly (200) including an encapsulated multilayer optical film (250). Methods of making and using such optical assemblies also are disclosed.
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Patent Agency Ranking
公开(公告)号：US20220242991A1
公开(公告)日：2022-08-04
申请号：US17605289
申请日：2020-05-19
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Thomas P. Klun , Chad M. Amb , Richard J. Pokorny , Saswata Chakraborty , Benjamin C. Mac Murray , Tianyu Wu , Ahmed S. Abuelyaman , Yongshang Lu , Daniel J. Skamser , Karl J.L. Geisler , John M. Riedesel
IPC: C08F290/06 , A61C7/08 , B33Y10/00 , B33Y70/00 , B33Y80/00 , B29C64/124
Abstract: 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.
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37.发明申请公开(公告)号：US20210292570A1
公开(公告)日：2021-09-23
申请号：US17260326
申请日：2019-08-19
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Matthew H. Frey , Ta-Hua Yu , Moses M. David , Richard J. Pokorny , Jun Ma
Abstract: The present disclosure provides an article including an organic layer having a nanostructured first surface including nanofeatures defining nanorecesses and an opposing second surface; and a ceramic layer disposed on the nanostructured first surface of the organic layer and filling at least a portion of the nanorecesses. The ceramic layer has a nanostructured first surface including nanofeatures and an opposing second surface, and the nanostructured first surface of the ceramic layer is interpenetrated with the nanostructured first surface of the organic layer. The present disclosure also provides a method of making the article. The method includes obtaining an organic layer having a nanostructured first surface including nanofeatures defining nanorecesses and an opposing second surface; and filling at least a portion of the nanorecesses of the nanostructured first surface of the organic layer with a ceramic material to form the article. In addition, the present disclosure provides articles including interpenetrating layers having different elastic storage moduli, such as non-metallic layers, and methods of making the articles. The articles can exhibit high abrasion resistance.
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公开(公告)号：US20210221080A1
公开(公告)日：2021-07-22
申请号：US17059843
申请日：2019-05-30
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Benjamin R. Coonce , Richard J. Pokorny , Thomas P. Klun , Chunjie Zhang , Gregg A. Ambur , Benjamin G. Sonnek , Daniel J. Richter , Jung-Sheng Wu
Abstract: A method of making a shaped abrasion-resistant multilayer optical film includes providing a curable composition comprising, based on the total weight of components a) to d) components: a) 87 to 96 weight percent of urethane (meth)acrylate compound having an average (meth)acrylate functionality of 2 to 4.8; b) 2 to 12.5 weight percent of (meth)acrylate monomer having a (meth)acrylate functionality of 1 to 2, wherein the (meth)acrylate monomer does not comprise a urethane (meth)acrylate compound; optionally c) 0.5 to 2 weight percent of silicone (meth)acrylate; and d) optional effective amount of photoinitiator. The curable composition is coated onto an MOF. Optionally, the curable composition to is at least partially dried. Next, the curable composition or the at least partially dried curable composition is at least partially cured to provide an abrasion-resistant multilayer optical film. Lastly, the abrasion-resistant multilayer optical film is thermoformed using a female mold having a mold surface. At least a portion of the mold surface has a radius of curvature of 58 to 76 mm and a maximum depth of 13 to 20 mm.
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39.发明申请公开(公告)号：US20210186820A1
公开(公告)日：2021-06-24
申请号：US16754186
申请日：2018-11-20
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Saswata Chakraborty , Benjamin C. Mac Murray , Eric W. Nelson , Thomas P. Klun , Richard J. Pokorny , Wayne S. Mahoney , Chad M. Amb , George W. Griesgraber , Dana R. Reed , Ahmed S. Abuelyaman , Robert S. Clough , James D. Hansen , Daniel J. Skamser , Ian Dailey , John M. Riedesel
IPC: A61K6/62 , A61C7/08 , A61C7/00 , A61K6/893 , B29C64/124 , B33Y70/00 , B33Y80/00 , B33Y10/00 , C08L75/14
Abstract: 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, a 1 g/liter acetonitrile solution, at a pathlength of 1 cm, has an absorbance of greater than 0.01, 0.02, 0.03, 0.04, 0.05, 0.06, 0.07, 0.08, 0.09, or 0.10 at a wavelength of the first wavelength range when measured with a spectrophotometer. 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.
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公开(公告)号：US10941313B2
公开(公告)日：2021-03-09
申请号：US16346722
申请日：2017-11-16
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Richard J. Pokorny , Nicholas L. Untiedt , Thomas P. Klun
IPC: C09D175/16 , C09D7/62 , C08F220/14 , C08G18/24 , C08G18/67 , C08G18/79 , C09D4/06 , C09D133/10 , C08G18/73 , C08G18/78 , C08K3/36 , C08F222/10
Abstract: A hardcoat composition is described comprising urethane (meth)acrylate oligomer having a first functional groups; an acrylic polymer having second functional groups; wherein the first and second functional groups form a hydrogen bond; and silica nanoparticles. The hardcoat composition may be cured by actinic radiation, upon which the acrylic polymer may be removed by solvent extraction. Also described are articles comprising the cured hardcoat described herein disposed on a surface of a substrate and methods of making an article.
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