Abstract: Surface structured articles comprising a polymer matrix and a dispersed phase, the article having first and second opposed major surfaces, at least a portion of the first major surface is a microstructured, anisotropic surface comprises features having at least one dimension in a range from 1 micrometer to 500 micrometers, wherein the dispersed phase comprises an antimicrobial material, and wherein at least a portion of the dispersed phase is present on the microstructured, anisotropic surface. Surface structured articles are useful, for example, for marine applications (e.g., surfaces in contact with water (e.g., fresh water, ocean water)) such as boats, ships, piers, oil rigs, decks, and roofing materials.

Abstract: 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.

Abstract: Multi-layer optical film comprising optical layers reflecting at least 50 percent of incident UV light over specified wavelength ranges. Embodiments of the multi-layer optical films are useful, for example, as a UV protective covering.

Abstract: Multilayer infrared (IR) reflecting films are provided. An optical repeating unit of the film include a plurality of optical polymeric layers arranged to reflect light by constructive and destructive interference. Optical layer A is a high refractive index polymeric layer, and optical layer B is a low refractive index isotropic polymeric layer containing fluoropolymers. The film has an average reflectance of about 50% to about 100% in a near infrared wavelength range of about 850 nm to about 1850 nm, and an average transmission of about 70% to about 90% in a visible light range.

Abstract: A method of making an optical film includes providing a film, substantially uniaxially orienting the film, and heat setting the oriented film. The film includes a polymeric material capable of developing birefringence.

Abstract: Various embodiments disclosed relate to multilayer films including hidden fluorescent features. The present disclosure includes a multilayer optical film including an isotropic multilayer optical film having first and second opposed major surfaces. The isotropic multilayer optical film reflects at least 50% of a light that is at least one of ultraviolet light or visible light, having an incident angle less than a cutoff angle from normal to the first major surface of the isotropic multilayer optical film, wherein the cutoff angle is in a range from 10° to 70°. The isotropic multilayer optical film allows at least 50% of the light having an incident angle of more than the cutoff angle from normal to the first major surface of the isotropic multilayer optical film to pass through the isotropic multilayer optical film. The isotropic multilayer optical film includes a marking on the second major surface of the isotropic multilayer optical film, the marking including at least one fluorescent compound.

Abstract: A method of making an optical film includes providing a film, substantially uniaxially orienting the film, and heat setting the oriented film. The film includes a polymeric material capable of developing birefringence.

Abstract: Multi-layered solar cell devices covered with partially transmissive graphic films. The multi-layered solar cell devices include at least one solar cell, a graphics layer over the solar cell, and a reflective layer. The reflective layer can be behind the solar cell for recycling light or between the partially transmissive graphic film and the solar cell for improved appearance. The multi-layered solar cell devices have a high efficiency and a customizable appearance.

Abstract: Solar energy device comprising at least one of a photovoltaic cell or a solar thermal collector having an absorption bandwidth in the infrared wavelength region of the solar spectrum; a visible light-transmitting reflector; and at least one of a graphic film or lighted display. The graphic film or a lighted display present is visible through the visible light-transmitting reflector. The solar energy devices can be used, for example, as a sign (e.g., an advertising sign or a traffic sign), on the side and/or roof, as well as in a window, of a building.

Abstract: A multilayer fluoropolymer film comprising, in order: a first layer comprising a first polymer, the first polymer comprising at least 35 mol percent tetrafluoroethylene comonomer, at least 15 mole percent vinylidene fluoride comonomer, and at least 5 mol percent hexafluoropropylene comonomer, based on the total mol percent of the first polymer; a second layer comprising a second polymer, the second polymer comprising at least 50 mol percent vinylidene fluoride comonomer, based on the total mol percent of the second polymer; and a third layer comprising a third polymer, the third polymer comprising at least 50 mol percent methylmethacrylate comonomer, based on the total mol percent of the third polymer. The multilayer fluoroplymer films are useful for example, in multi-layer film applications (e.g., traffic sign protection, commercial graphic protection, paint protection, windows, windshields, building exteriors, and photo voltaics).

Abstract: Solar energy device (100) comprising at least one of a photovoltaic cell or a solar thermal collector (101) having an absorption bandwidth in the infrared wavelength region of the solar spectrum; a visible light-transmitting reflector (103); and at least one of a graphic film or lighted display (105). The graphic film or a lighted display present is visible through the visible light-transmitting reflector. The solar energy devices can be used, for example, as a sign (e.g., an advertising sign or a traffic sign), on the side and/or roof, as well as in a window, of a building.

Abstract: The present disclosure is directed to optical bodies including a first optical film, a second optical film and one or more strippable boundary layers disposed between the first and second optical films. Each major surface of a strippable boundary layer may be disposed adjacent to an optical film or another strippable boundary layer. At least one of the first and second optical films may include a reflective polarizer. The present disclosure is also directed to methods of processing such optical bodies.

Abstract: A film is described comprising a first film layer having a Tg ranging from 30° C. to 60° C. The first film layer comprises a (meth)acrylic polymer and polyvinyl acetal polymer composition. The film further comprises a second layer proximate the first film layer. The second layer is different than the first film layer. The second may be a cured (meth)acrylic polymer film or coating; a backing such as thermoplastic polymer, woven or nonwoven fabrics, metal foils, paper, foams; or a coverfilm such as a fluoropolymer.

Abstract: The present disclosure provides articles that include polymer coatings on substrates primed with a primer coating containing silica nanoparticles, and methods of coating. The polymer coating is preferably a silicone-based polymeric material.

Abstract: The present disclosure provides articles that include polymer coatings on substrates primed with a primer coating containing silica nanoparticles, and methods of coating. The polymer coating is preferably a silicone-based polymeric material.

Abstract: The present disclosure generally relates to durable solar mirror films, methods of making durable solar mirror films, and constructions including durable solar mirror films. In one embodiment, the present disclosure relates to a solar mirror film comprising: a multilayer optical film layer including having a coefficient of hygroscopic expansion of less than about 30 ppm per percent relative humidity; and a reflective layer having a coefficient of hygroscopic expansion.

Abstract: Assemblies comprising multi-layer optical film comprising optical layers reflecting incident UV and blue light over specified wavelength ranges. Embodiments of the multi-layer optical films are useful, for example, as a UV protective covering. An exemplary UV stable assembly comprises a multi-layer optical film comprising at least a first plurality of first and second optical layers reflecting at least 50 percent of incident UV light over at least a 30 nanometer wavelength range in a wavelength range from at least 300 nanometers to 400 nanometers, and a second plurality of first and second optical layers reflecting at least 50 percent of incident light over at least 30 nanometer wavelength in a wavelength range from at least 430 nanometers to 500 nanometers.

Abstract: A composite having (a) a substrate that has opposing first and second surfaces, the substrate being at least 90% transmissive in visible light and has less than 5% haze, (b) a nanostructured article including a matrix and a nanoscale dispersed phase and having a random nanostructured anisotropic surface; and (c) an optically clear adhesive disposed on the second surface of the substrate.

Abstract: A nanostructured article comprises a matrix and a nanoscale dispersed phase. The nanostructured article has a random nanostructured anisotropic surface.

Abstract: Methods of protecting a substrate from light-induced degradation are described. The methods comprise providing a substrate and disposing onto the substrate a plurality of layers deposited by layer-by-layer self-assembly. At least a portion of the layers comprise an organic light absorbing compound, an organic light stabilizing compound, or a combination thereof dispersed within a polyelectrolyte. Also described are articles comprising a substrate and a plurality of layers deposited by layer-by-layer self-assembly wherein at least a portion of the layers comprise an organic light absorbing compound, an organic light stabilizing compound, or a combination thereof dispersed within a polyelectrolyte. Random copolymers suitable for use in the method and articles are also described.