A blue light blocking system including a pyrazoline compound of formula (I) or/and a phenylacrylic compound of formula (II) is provided. The compound of formula (I) or formula (II) can absorb most blue light of shorter wavelength that hurt eyes, but let that of the longer wavelength pass through, so that the transmitted light makes an excellent visual effect for human. The system can be applied to products such as optical films, optical lenses, goggles, skin care, lighting, coatings, adhesives, or panels. These products have a light-colored appearance and their transmitted light makes for an excellent visual effect.

##STR00001##

Provided is a transparent member having formed thereon a film having high reliability, the film being capable of suppressing an increase in its haze and maintaining its hydrophilicity for a long time period even when exposed to an outdoor environment. The transparent member is a transparent member including a resin base material and a porous layer arranged thereon, wherein the porous layer has a network structure in which silica particles are joined to each other with a binder, wherein the resin base material has a mixed layer that the network structure has entered, wherein the mixed layer has a thickness of 20 nm or more and 160 nm or less, and wherein a thickness variation in a range having a length of 1 m of a section of the mixed layer in its thickness direction along the surface of the resin base material is 15% or less.

A transparent laminate including: transparent substrate; and structure layer which contains protrusion portions, depression portions, or both on a surface thereof, average distance between the protrusion portions adjacent or the depression portions adjacent being equal to or less than wavelength of visible light; the structure layer including polymerized product of active-energy-ray-curable resin composition including composition of (meth)acrylate-based-polymerizable compound; the composition including at least any of the following (A) and (B), and the following (C) and (D): (A) ester (meth)acrylate of trihydric alcohol having main and side chain each including alkyl chain; (B) ester di(meth)acrylate of ethylene-oxide-modified bisphenol A; (C) polyalkylene glycol di(meth)acrylate; and (D) ester di(meth)acrylate of dihydric alcohol having main chain including linear alkyl chain; water contact angle on the surface of the structure layer being 26 or more and 74 or less; and storage elastic modulus at 180 C. of the structure layer being less than 0.5 GPa.

The present disclosure relates to silica nanoparticle coatings and articles, such as in particular retro-reflective devices, bearing silica nanoparticle coatings thereon. The present disclosure is also directed to a method for retarding dew formation on the surface of an article, in particular an article comprising a retro-reflective support.

A coating composition comprises a urethane resin, a water absorbent polymer, and a curing agent. The urethane resin is obtained by reaction of an isocyanate reactive compound having multi-epoxide functionality and an isocyanate. When applied to a substrate and thermally cured, the coating composition forms a transparent and smooth coating having permanent anti-fog property.

A coating composition comprises a urethane resin, a water absorbent polymer, and a curing agent. The urethane resin is obtained by reaction of an isocyanate reactive compound having multi-epoxide functionality and an isocyanate. When applied to a substrate and thermally cured, the coating composition forms a transparent and smooth coating having permanent anti-fog property.

A coating composition for imparting a hydrophobic film on a target surface is provided that includes a quaternary ammonium silane, a polyalkylene glycol, and an optional solid lubricant. A kit is also provided that includes an applicator having the above composition applied and instructions for the composition to a blade of a windshield wiper of a vehicle to impart the hydrophobic film to the vehicle windshield contacted by the blade.

Article comprising, in order, a substrate, a hardcoat comprising: a binder; and a mixture of nanoparticles in a range from 60 wt. % to 90 wt. %, based on the total weight of the hardcoat, wherein a range from 10 wt. % to 50 wt. % of the nanoparticles comprise a first group of nanoparticles having an average particle diameter in a range from 2 nm to 200 nm, and in a range from 50 wt. % to about 90 wt. % of the nanoparticles comprise a second group of nanoparticles having an average particle diameter in a range from 60 nm to 400 nm, based on the total weight of nanoparticles in the hardcoat, and having a ratio of the average particle size of the first group of nanoparticles to the average particle size of the second group of nanoparticles are in a range from 1:2 to 1:200; a layer comprising SiO.sub.xC.sub.y, where 0<x<2 and 0<y<1; and a hydrophilic layer. Articles described herein are useful, for example, for optical displays (e.g., cathode ray tubes (CRT) and light emitting diode (LED) displays), personal digital assistants (PDAs), cell phones, liquid crystal display (LCD) panels, touch-sensitive screens, removable computer screens, window films, and goggles.

A coated film having improved optical properties and increased recyclability properties comprising a combination of: (a) at least one film layer of a recyclable polyolefin; and (b) at least one recyclable coating layer disposed on at least a portion of the surface of one side of the at least one film layer of the recyclable polyolefin such that the at least one coating layer provides the coated film with an increase gloss at 60?, a reduced haze, an increase in clarity; and a recyclability property.

Various embodiments refer to a method for preparing an oxide film on a polymeric substrate, wherein the oxide film is a titanium oxide film (which is optionally niobium- or silicon-doped) or silicon oxide film. The method comprises contacting a polymeric substrate with a liquid reagent comprising a polyalkoxysilane such as 3-aminopropyltriethoxysilane to form a layer of the polyalkoxysilane on the polymeric substrate by self-assembly, and contacting said layer with an aqueous mixture comprising (i) titanium tetrafluoride and/or a fluorine-containing titanium complex such as ammonium hexafluorotitanate and/or a fluorine-containing silicon complex such as ammonium hexafluorosilicate, and (ii) a fluorine scavenger such as boric acid, at a temperature of less than about 100 C. to obtained the oxide film on the polymeric substrate. An oxide film prepared by said method is also provided.