Resin films and the like capable of improving viewing angle characteristics and antireflection characteristics, for example, when the resin film is applied to a display are provided. The resin film includes a low-refractive-index layer 17 and an anisotropic diffusion layer 16. The low-refractive-index layer 17 has a refractive index of 1.40 or less. The anisotropic diffusion layer 16 anisotropically diffuses light. The anisotropic diffusion layer 16 contains anisotropic particles 162 and a resin portion 161. The anisotropic particles 162 have an anisotropic shape and a longitudinal direction aligned along one direction. The resin portion 161 diffuses the anisotropic particles 162 and is formed of a resin. A reflectivity of the resin film excluding a specular reflection light component is 1.0% or less.

A radiation curable composition including at least one radiation hardenable component, a photo-initiator, and a filler material having a population of particulates in an amount greater than or equal to 50% by weight of the printable composition. The population of particulates exhibits a median diameter (D50) of greater than or equal to 0.3 micrometer on a volume-average basis as determined using the Particle Size Test Method, and the radiation curable composition exhibits a viscosity of less than or equal to 150 Pa s when measured using the Viscosity Test Method. A method, apparatus, and systems for producing composite articles by selectively exposing a portion of the radiation curable composition to a source of actinic radiation to at least partially cure the exposed portion of the radiation curable composition, thereby forming a hardened layer, preferably by an additive manufacturing process such as stereophotolithography, are also described. The composite articles may include composite dental restorations.

Aspects disclosed herein include a composite material comprising: one or more shape memory polymers; and a first additive provided in the shape memory polymer(s); wherein: the first additive increases one or more ultrasound-absorption characteristics of the composite material compared to that of the same shape memory polymer(s) free of said first additive; the composite material is characterized by a composite transition temperature (T.sub.cm,trans); and the composite material or one or more portions thereof undergo a shape change from a temporary shape to a permanent shape when the composite material or said one or more portions thereof are heated to within 35° C. of T.sub.cm,trans or a temperature approximately equal to or greater than T.sub.cm,trans.

A method for producing a three-dimensional porous transition alumina catalyst monolith of stacked catalyst fibers, comprising: a) Preparing a paste in a liquid diluent of hydroxide precursor particles and/or oxyhydroxide precursor particles of transition alumina particles, all particles in the suspension having a number average particle size in the range of from 0.05 to 700 μm, b) extruding the paste nozzle(s) to form fibers, and depositing the extruded fibers to form a three-dimensional porous catalyst monolith precursor, c) drying the precursor to remove the liquid diluent, d) performing a temperature treatment of the dried porous catalyst monolith precursor to form the transition alumina catalyst monolith, wherein no temperature treatment of the porous catalyst monolith precursor or porous catalyst monolith at temperatures above 1000° C. is performed and wherein no further catalytically active metals, metal oxides or metal compounds are applied to the surface.

Parts made by additive manufacturing are often structural in nature, rather than having functional properties conveyed by a polymer or other component present therein. Printed parts having piezoelectric properties may be formed using compositions comprising a plurality of piezoelectric particles and a polymer material comprising at least one thermoplastic polymer and at least one thermally curable polymer precursor. At a sufficient temperature, the at least one thermally curable polymer precursor may undergo a reaction, optionally also undergoing a reaction with the piezoelectric particles, and form an at least partially cured printed part. The piezoelectric particles may be mixed with the polymer material and remain substantially non-agglomerated when combined with the polymer material. The compositions may define a form factor such as a composite filament, a composite pellet, or an extrudable composite paste, which may be utilized in forming printed part by extrusion, layer-by-layer deposition, and thermal curing.

A method for producing three-dimensional molded parts by means of layering, the moisture content of the build material mixture being able to be regulated.

The present disclosure includes thin, high-stiffness laminates, portable electronic device housings including the same, and methods for making such laminates and portable electronic device housings. Some laminates include an inner section having one or more first laminae and one or more second laminae, and first and second outer sections disposed on opposing sides of the inner section, each having one or more third laminae The laminate has a width and a length that is perpendicular to the width. Each of the first lamina(e) can have fibers aligned in a direction parallel to the length, each of the second lamina(e) can have fibers aligned in a direction parallel to the width, and each of the third lamina(e) can have fibers aligned in a direction angnlarly disposed at an angle of at least 10 degrees to each of the length and the width.

An optical assembly (200) including an encapsulated multilayer optical film (250). Methods of making and using such optical assemblies also are disclosed.

A composition can comprise particles comprising 5% by weight (wt %) or more, a photo-initiator, a curing agent, a dispersant, and an organic binder. The composition can be substantially solvent-free. In some embodiments, particles comprise 65 wt % or more. In some embodiments, the curing agent comprises dipropylene-glycol diacrylate. In some embodiments, the dispersant comprises a phosphate ester. In some embodiments, the organic binder comprises isobornyl methacrylate. In some embodiments, the composition comprises a viscosity from about 100 milliPascal-seconds to about 7,000 milliPascal-seconds. Methods of making a green body can comprise creating a composition, printing the green body using the composition, and curing the green body. Method of making a printed article can comprise creating a composition, printing a green body using the composition, curing the green body, heating the green body to remove the organic binder to form a porous article, and sintering the porous article to form the printed article.

Three-dimensional printing kits can include a powder bed material with from about 60 wt % to about 95 wt % polymer build particles and about 5 wt % to about 40 wt % calcium carbonate particles, and a fusing agent to selectively apply to the powder bed material, wherein the fusing agent includes water and a radiation absorber to absorb radiation energy and convert the radiation energy to heat.