Display substrates having a hard coat layer on a colorless polyimide substrate are formed from hard coat compositions having certain organic solvents that do not substantially impact the optical and mechanical properties of the colorless polyimide substrate.

Provided is a composition for steel sheet surface coating, the composition comprising colloidal silica, a silane, a monomer, an organic resin, an acidity adjuster, a long-term corrosion-resistance improver, and a solvent; and a steel sheet coated with the composition. The steel sheet has excellent acid resistance, and maintains thickness uniformity thereof even when exposed to an acid for an extended period of time.

Disclosed is a process for on- and off-site tagging of fracking sand and a composition of matter capable of being utilized in that process. The composition of matter includes a linker polymer conjugated to a rare earth particle. The method involves forming two mixtures, a first involving mixing a linker polymer conjugated to a rare earth particle into an aqueous blend of fracking sand, and a second involving an activated amine terminated polymer in an aqueous solution. The second mixture is then added to the first mixture, and covalent amide bonds are formed.

A dispersion comprising first particles comprising conductive polymer and polyanion and second particles comprising the conductive polymer and said polyanion wherein the first particles have an average particle diameter of at least 1 micron to no more than 10 microns and the second particles have an average particle diameter of at least 1 nm to no more than 600 nm.

Provided are a coloring composition including a pigment, a pigment derivative, a resin, and a solvent, in which an average primary particle diameter of the pigment is 70 nm or less, an average primary particle diameter of the pigment derivative is 70 nm or less, and the solvent includes a solvent D1 having a solubility parameter of 18.0 to 26.0 MPa.sup.0.5; a film formed of a coloring composition; a color filter; a method for manufacturing a color filter; a structure body; a solid-state imaging element; and an image display device.

The present invention is to provide an anti-glare film. The anti-glare film comprises a polyethylene terephthalate (PET) substrate and an anti-glare layer formed on a surface of the PET substrate, wherein the anti-glare coating layer comprises 75 to 90 weight parts of an acrylic-based resin, 0.01 to 10 weight parts of silica nanoparticles 5 to 20 weight parts of organic microparticles and 0.05 to 2 weight parts of leveling agent. The anti-glare film has a total haze ranging between 35% and 50%, a surface haze ranging between 10% and 15% and a gloss at a viewing angle of 60 degrees between 30% and 50% thereof. The anti-glare film can provide satisfactory anti-glare properties, high precision, surface fineness, no flicker, good visibility and also fine adhesion between layers.

An aqueous surface coating solution composition and a polyester film structure are provided. The aqueous surface coating solution composition includes 5-20 wt % of a resin composition and 0.15-5 wt % of an inorganic particle dispersion liquid. The resin composition includes 0.01-10 wt % of a polyester resin, 2-19 wt % of an acrylate-grafted polyurethane resin, and 0.5-10 wt % of a cross-linking agent. The inorganic particle dispersion liquid includes a plurality of first inorganic filling particles and a plurality of second inorganic filling particles, and the first inorganic filling particles have a larger average particle diameter than the second inorganic filling particles.

A composite film may include a first transparent substrate and a first anti-reflective coating overlying a first surface of the first transparent substrate. The first anti-reflective coating may include a first UV curable acrylate binder, a photo initiator component, and silica nanoparticles dispersed within the first anti-reflective coating. The first anti-reflective coating may further include a ratio AC1.sub.SiO2/AC1.sub.B of at least about 0.01 and not greater than about 1.3. The composite film may further have a VLT of at least about 93.0% and a haze value of not greater than about 3%.

The present invention provides a release hard coating, comprising a bottom hard coating component and a top release coating component, wherein the bottom hard coating component comprises a crosslinked polymer matrix and nano-silica particles; and the top release coating component comprises a release polymer capable of having a grafting reaction with the bottom hard coating component. The release hard coating can be applied onto a substrate such as PET to resist sticky illegal advertisements and protect the substrate from wear.

A powder coating material for fluidized-bed coating has a volume average particle diameter D50v of 5 μm or more and 20 μm or less. The powder coating material shows an aerated flowability energy AE of 5 mJ or higher and lower than 100 mJ as measured with a powder rheometer using a vessel having a cross-sectional area with Ø50 mm under conditions of a rotary blade tip speed of 100 mm/sec, a rotary blade helix angle of −5°, and an air flow rate of 20 ml/min.