A steel sheet to be subjected to complicated and difficult press forming is disclosed. The steel sheet includes a base steel sheet and a film disposed on at least one side of the base steel sheet. In the steel sheet, the film includes an organic resin and a wax, the arithmetic average roughness Ra of the base steel sheet is 0.4 m or more, the organic resin is at least one resin selected from acrylic resins, epoxy resins, urethane resins, phenolic resins, vinyl acetate resins, and polyester resins, the wax is a polyolefin wax with a melting point of 120 C. or above and 140 C. or below and an average particle size of 3.0 m or less, the fraction of the wax in the film is 10 mass % or more, and the standard deviation of the film coating weight distribution per side is less than 0.9 g/m.sup.2.

Disclosed is a polydimethylsiloxane superamphiphobic coating, and a preparation method and application thereof. The polydimethylsiloxane superamphiphobic coating includes the following raw materials: hydroxyl polydimethylsiloxane, a sulfhydryl compound, fluorinated acrylate, a curing agent, and an initiator. The preparation method of the polydimethylsiloxane superamphiphobic coating includes the following steps: mixing the hydroxyl polydimethylsiloxane, the sulfhydryl compound, the fluorinated acrylate, the initiator, and a solvent to obtain a mixed solution; performing irradiation on the mixed solution; adding the curing agent to obtain a coating solution; applying the coating solution on a surface of a substrate; and allowing for curing to obtain the polydimethylsiloxane superamphiphobic coating.

Ultraviolet (UV) absorbing inks and films for surfaces such as glass and/or plastic are provided that include patterns visible to avian eyes, but invisible to a human at least ten feet away. Such invention is aimed at reducing the number of window strikes that result in bird deaths. A formulation may include a binder, a carrier. A formulation may include a base configured to dissolve and solubilize the binder such that it can be applied to the carrier. A formulation may include at least one of an ultraviolet (UV)/visible (VIS) absorbing (UAC) component and a UV/VIS reflective (URC) component.

A radome surface coating arrangement transparent to radiofrequency (RF) signals, the coating arrangement includes a first coating layer applied to and in physical contact with a radome surface and a second coating layer applied to and in physical contact with the first coating layer. The first coating layer includes nanoparticles capable of being heated by RF signals emitted through the coating arrangement. The second coating layer is a hydrophobic or superhydrophobic coating material devoid of the nanoparticles. The second coating layer covers the first coating layer.

The present invention provides a composite of a hydrotalcite compound and an amino acid in which the aspect ratio is high and it is possible to control colorability. The composite includes a hydrotalcite compound and an amino acid. The composite has an aspect ratio of 85 or more. The Y.I. value of the composite is 0-5. The Y.I. value indicates yellowness. The content of the amino acid in the composite is more than 0 mass % and equal to or less than 10.0 mass %. The content of the amino acid is the content with respect to the total mass of the composite.

The invention provides UV curable coating compositions comprising a synergistic two-component system of aliphatic urethane acrylate resins. The first component is formed by reacting an aliphatic polyisocyanate containing iminooxadiazine dione, isocyanurate, uretdione, urethane, allophanate, biuret, or oxadiazine trione groups with a hydroxyl-functional acrylate. The second component is formed by reacting a multifunctional acrylate with an aliphatic urethane based on alkyl carbomoncycle diisocyanate. The components combine in specific ratios to create coatings with superior hardness, scratch resistance, chemical resistance, and weatherability for automotive applications. Quantifiable structure-property relationships define optimal formulations for specific applications including vehicle headlamp lenses and trim components. Also described are coated articles and methods for their production.

The present invention enables us to achieve both further fine particle size reduction and uniformity of particle size distribution of metal oxide nanoparticles.

The present invention is a method for producing metal oxide nanoparticles that consists of a process for obtaining metal oxide nanoparticles by mixing a supercritical, subcritical, or gas phase aqueous material and an organometallic complex solution, wherein the mixing time is controllable within the range of 0.015 s to 380 s and the diameter of at least one of the average primary particle diameter or the crystallite diameter of the nanoparticles can be controlled within the range of 1.0 nm to 9.0 nm, and the coefficient of variation of the diameter can be controlled within 0.5 nm or less by controlling the mixing time. The resulting nanoparticles encompass metal elements capable of forming organometallic complexes. Additionally, the organic molecules are strongly bonded to the most unstable surface.

The present disclosure provides a high-refractive index acrylic formulation embedded with sub-30 nm metal oxide nanocrystals. The formulation is solvent-free, low-viscosity, inkjettable (among other film deposition techniques) and produces high-refractive index, high transparency nanocomposites for a variety of optical applications including OLED lighting and display applications.

Black coatings on optical substrates, compositions for producing such coatings and the use of the compositions for edge-blackening and stray light control. The present coatings comprise a film formed by a curable composition mixed with nanoparticles and black pigment, wherein the film has a refractive index of more than 1.75. The present cured compositions comprise 0 to 50 parts by weight of a curable polymers; 0 to 50 parts by weight of curable monomers; 50 to 100 parts by weight of nanoparticles; and 0.1 to 20 parts by weight of black pigment, and the nanoparticles and black pigment are mixed with the curable polymers and monomers. The present compositions exhibit RI values which match that of high-RI glass substrates while providing efficient edge-blackening properties.

This disclosure provides novel nanocomposites having monomodal, bimodal, and multimodal mineral particles dispersed within the polymer matrix to provide high performance nanocomposite barrier layer(s). The nanocomposite barrier layer enhances barrier performance to include moisture, water, and oxygen barrier characteristics used in consumer and industrial packaging applications. Mineral fillers, such as clay nanoparticles combined with micro and colloidal diatomaceous earth, such as calcium carbonate being one example. Bimodal and multi-modal particle combinations can play a significant role in improving intercalation and exfoliation of nanoparticles within the thermoplastic matrix during the compounding and extrusion. The present disclosure includes descriptions of nanocomposites as part of blown films, paper extrusion coatings, and extrusion laminations. The barrier layers may be part of single and multi-layer thermoplastic layers used as films and paper coatings in the range of about 6 to 500 g/m2.