A photonic crystal film, a method for manufacturing the photonic crystal film, and an anti-forgery article comprising the photonic crystal film are disclosed. The photonic crystal film includes a polyurethane-based polymer matrix and colloidal particles dispersed in the polyurethane-based polymer matrix and arranged in a crystal lattice structure. The colloidal particles includes one or more selected from metal nanoparticles, metal oxide nanoparticles, organic nanoparticles, and carbon structure nanoparticles.

Microlaser based dye doped polymeric resonators are provided as well as pharmaceutical formulations containing the microlaser based dye doped polymeric resonators, methods of making thereof, and methods of use thereof for monitoring and/or stimulating electrical activity in a brain of a subject in need thereof. The microlaser based dye doped polymeric resonators can include a particle having a spherical core containing one or more fluorescent dyes dispersed within a polymer matrix, wherein the polymer matrix has an index of refraction of about 1.2 or greater; an outer surface surrounding the spherical core; and a gold nanoparticle, wherein the gold nanoparticle is on the outer surface, is dispersed within the spherical core, or both. The fluorescent dyes can include a voltage sensitive fluorescent dye.

A non-woven fiber article for use in a food, medical, or pharmaceutical production environment including a melt-spun polymer fiber is provided having a cross-section and a length and a detectable particulate present in an amount of 20 to 80 weight percent loadings of metal or 10 to 80 weight percent loadings of radiopaque particles to render the polymer fiber detectable by magnetic or X-ray detection, alone or in combination with a secondary functional particulate distributed with the polymer fiber to render the polymer fiber chemically responsive to a chemical reactant, change in pH or temperature. The detectable particulate and the secondary functional particulate are each independently present in a core, a sheath, or both portions of polymer matrix. A process of detecting a fabric made from such a fiber. The fabric article passes through detector. A signal is collected from the detector indicative of the presence of the fabric article.

Provided is a resin molded body capable of increasing a flexural modulus. A resin molded body according to the present invention includes a urethane resin, long reinforcing fibers, an inorganic filler having an average particle diameter of 1 μm or more, and fine inorganic particles having an average particle diameter of 200 nm or less, a content of the fine inorganic particles being 0.06 parts by weight or more and 3.00 parts by weight or less with respect to 100 parts by weight of the urethane resin.

Provided are a resin composition in which there is a particularly good achievement of low specific gravity, high rigidity, and a low coefficient of linear expansion, a resin composition in which low specific gravity, high rigidity, a low coefficient of thermal expansion, and low water absorbency are all achieved, are a resin composition which has low specific gravity and in which there is a good achievement of the contradictory properties of high toughness and low thermal expansion. Provided in an embodiment is a resin composition containing a first polymer forming a continuous phase, a second polymer forming a dispersed phase, and cellulose, wherein the first polymer is a polyamide and the second polymer is at least one polymer selected from the group consisting of crystalline resins having a melting point of at least 60° C. and non-crystalline resins having a glass transition temperature of at least 60° C.

Described herein is a reworkable optically clear adhesive composition comprising: a hot melt adhesive present in an amount of at least about 40 wt. %; a pressure sensitive adhesive present in an amount of at 5 least about 10 wt. %; and titanium dioxide nanoparticles present in an amount of up to about 5 wt. %; wherein the weight percentage of each component is based on the total weight of solids of the adhesive composition. Also described herein is a display for an electronic device comprising the reworkable optically clear adhesive composition and a method of producing the display for an 10 electronic device.

A UV-cured cross-linked liquid resin reinforced with ceramic inorganic nano-particles and ceramic inorganic abrasion-resistant powder, comprised of 30%-45% by weight resin, wherein the resin is at least one of 2-propenoic acid, homopolymer, isophthalic acid, 1,4-Dimethoxybenzene, saturated polyester resin, and maleic anhydride; 10%-20% by weight industrial ceramic inorganic nano-materials; 30%-45% by weight industrial ceramic inorganic abrasion-resistant powder; and styrene, wherein the styrene is less than 25% by weight of the UV-cured cross-linked liquid resin reinforced with ceramic inorganic nano-particles and ceramic inorganic abrasion-resistant powder.

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.

An adhesive film for a display includes a first adhesive layer including an adhesive resin; a water-vapor barrier layer disposed on the first adhesive layer; a second adhesive layer disposed on the water-vapor barrier layer and including an adhesive resin; and an optical film disposed on the second adhesive layer, wherein at least one layer of the first adhesive layer or the water-vapor barrier layer contains at least one tungsten oxide selected from a group consisting of cesium-doped tungsten oxide (CWO; cesium-doped WO.sub.3) and tungsten oxide (WO.sub.3).

The present invention relates to aqueous coating compositions for forming an anti-grain-puffing coating, aqueous primers comprising the aqueous coating composition, and articles comprising the anti-grain-puffing coating. In particular, the aqueous coating composition comprises: (a) an aqueous dispersion of polymeric particles, wherein the polymer particles comprise polymer having an anionic hydrophilic group on its molecule chain, and the aqueous dispersion of polymeric particles has a pH of less than 7.0; and (b) an aqueous dispersion of nano-silica.