3m Innovative Properties Company

Brandon R Pietz

Christopher Stewart Lyons

Thomas P Klun

Paul J Homnick

Karl K Stensvad

Timothy J Hebrink

Stephen P Maki

Mark D Weigel

Daniel M Pierpont

David J Rowe

Chad M Amb

Kelly A Volp

Kevin D Hagen

Sean M Sweetnam

Fluorinated photoinitiators and polymerizable compositions including such fluorinated photoinitiators and at least one free-radically polymerizable monomer, oligomer, or mixture thereof. Multilayer films including a substrate and at least a first layer overlaying a surface of the substrate also are described, in which the at least first layer includes a (co)polymer obtained by polymerizing the foregoing polymerizable compositions. Processes for making a multilayer film using the polymerizable composition also are taught. Articles including the multilayer film also are disclosed, in which the article preferably is selected from a photovoltaic device, a display device, a solid-state lighting device, a sensor, a medical or biological diagnostic device, an electrochromic device, light control device, or a combination thereof.

Fluorinated photoinitiators and fluorinated (co)polymer layers made using the same

Fluorinated coupling agents and polymerizable compositions including such fluorinated coupling agents and at least one free-radically polymerizable monomer, oligomer, or mixture thereof. Multilayer films including a substrate and at least a first layer overlaying a surface of the substrate also are described, in which the at least first layer includes a (co)polymer obtained by polymerizing the foregoing polymerizable compositions. Processes for making a multilayer film using the polymerizable composition also are taught. Articles including the multilayer film also are disclosed, in which the article preferably is selected from a photovoltaic device, a display device, a solid-state lighting device, a sensor, a medical or biological diagnostic device, an electrochromic device, light control device, or a combination thereof.

Fluorinated coupling agents and fluorinated (co)polymer layers made using the same

Compound are described comprising a perfluorinated group bonded to at least one terminal photoinitiator group with an organic linking group comprising at least one amide moiety. The compound typically comprises the (e.g. Michael addition) reaction product of i) a compound comprising an acryl group and a photoinitiator group; and ii) an amino functional perfluorinated compound. Also described is a composition comprising at least one free-radically polymerizable (e.g. fluorinated) monomer, oligomer, or combination thereof; and the described fluorinated photoinitiator compound and methods.

Compounds comprising perfluorinated group, photoinitiator group, and amide linking group

Barrier films including a (co)polymeric substrate, at least one dyad on the substrate, each dyad made of a (co)polymer layer and an oxide layer overlaying the (co)polymer layer, and an outer (co)polymer layer overlaying the dyads. Optionally, at least one outer oxide layer overlays the outer (co)polymer layer. The barrier films transmit visible light and transmits, at an incident light angle of at least one of 0°, 30°, 45°, 60°, or 75°, at most 70 percent of incident ultraviolet light at a wavelength range from at least 100 nanometers to 400 nanometers or in a wavelength range from at least 100 nm to 350 nm. The barrier films exhibit atomic oxygen degradation of less than 1×10mg/atom. The barrier films may be applied to decorative objects or electronic devices, (e.g., light receiving or emitting devices, in a satellite or aircraft. Methods of making the barrier films also are disclosed.

Ultraviolet radiation and atomic oxygen barrier films and methods of making and using the same

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Saint Paul, MN, United States of America

Brandon R Pietz