An object of the present invention is to provide an antibacterial sheet which is particularly extremely effective for preventing cloudiness or dew condensation and can prevent or inhibit the bacterial multiplication, an antibacterial coat, a laminate, and an antibacterial solution. The antibacterial sheet of the present invention has a support and at least one antibacterial layer disposed on the support, in which the antibacterial layer contains a binder and at least one kind of an antibacterial agent, and a water contact angle of only the binder is equal to or less than 20.

A method for preparing an organic-inorganic hybrid porous insulation coating composition includes steps of: adding sepiolite nanoparticles that have been surface-treated with silane or dimethyl ammonium chloride to a thermal-resistant resin solution; and stirring the thermal-resistant resolution solution containing the sepiolite nanoparticles at 3600 rpm or more for 30 minutes or more. The thermal-resistant resin solution includes at least one thermal-resistant resin selected from the group consisting of polyamide-imide, polyester, polyester-imide and polyamic acid.

A dispersion that includes at least one organic solvent; nanoparticles, wherein the nanoparticles are infrared absorptive, conductive or a both infrared absorptive and conductive; and at least one polycaprolactone-polyamine copolymer, wherein the dispersion comprises agglomerates of the nanoparticles and a majority of the agglomerates have an average diameter that are not greater than 100 nanometers. Compositions, films, articles and light control articles that utilize such dispersions are also discussed.

This invention relates to regenerable antimicrobial coatings with long-lasting efficacy for use in medical applications including implants, medical instruments or devices, and hospital equipment. The same coatings would also have broad utility in the consumer, industrial, and institutional markets. The coating technology would be based on sequestration of hydrogen peroxide (HP) by zinc oxide binders incorporated into the coatings.

A visible-light-responsive photocatalyst powder includes a tungsten oxide powder. The tungsten oxide powder has color whose a* is 5 or less, b* is 5 or more, and L* is 50 or more when the color of the powder is expressed by an L*a*b* color system. Further, the tungsten oxide powder has a BET specific surface area in a range of 11 to 820 m.sup.2/g.

Provided are hybrid sol-gel coating materials and method of synthesizing such materials. Also, provided are methods of forming hybrid sol-gel coatings from such coating materials. In some embodiments, a hybrid sol-gel coating material includes a hydrolyzed inorganic component and organic component. Functional groups of the inorganic component may react with each other in a sol-gel condensation reaction, while functional groups of the organic component may be subjected to free-radical induced polymerization thereby bonding the inorganic and organic components in a resulting hybrid organic-inorganic sol-gel coating. The coating material may also comprise nanoparticles, which may be bonded to other components in a resulting coating. The inorganic component may be a silane or, more specifically, tetraethoxysilane, while the organic component may be an acrylate or, more specifically, mercapto functionalized polyester acrylate, aromatic epoxy acrylate, and/or polyurethane acrylate. The hybrid sol-gel coating material may also include a coupling agent, catalyst, and/or diluent.

The present invention relates to an inverted perovskite prepared by providing a surface-modified metal oxide nanoparticle as a coating agent for forming an electron transporting layer (or electron transport layer), and using the surface-modified metal oxide nanoparticle as a coating agent prepared in a dispersion type.

Granular composition comprising a particulate material selected from pigments and fillers, graphene nano-platelets and a binder, and use of this composition to prepare paints, varnishes and inks.

A superhydrophobic coating method used to make transparent and durable coatings that can be applied to glass, metal, textile, wood and polymeric surfaces with a single-stage spray in polymer/nano-particle composite structure.

A suspension for preserving masonry structures comprises a hydrophobic agent, water-repellent nanoparticles, a nanofiller, a self-cleaning agent, a vegetable oil, a first solvent and water. The water-repellent nanoparticles, the hydrophobic agent, the nanofiller, the self-cleaning agent and the vegetable oil are mixed with the first solvent and water, and are dispersed in a form of a nanocomposite suspension. A method for preserving masonry structures, especially surfaces of historical building materials as a substrate by using a multi-functional nanocomposite suspension, to increase the structures' life, improving weather-resistance and/or water-repellent and/or stain-resistance and/or fungal-resistance and/or self-cleaning. The suspension is prepared by mixing a water-repellent nanoparticles, at least one silicon-based hydrophobic polymer as a hydrophobic agent, a nanofiller, and/or a nano-additive as a self-cleaning agent, a vegetable oil, a first solvent and water. An ultrasonic homogenizer is used to disperse the nanoparticles onto the nanocomposite suspension consisting of nanoparticles.