摘要:
An article coated with a functional coating film which has a base material, a primer layer coating the surface of the base material and having fine roughness and a functional layer coating the primer layer. The primer layer having fine roughness has portions formed by unevenly accumulating fine particles. The primer layer in the article contains silicon oxide as the main component, and the excellent transparency and the fine roughness are simultaneously exhibited.
摘要:
Coating liquid prepared by dissolving an acid and a silicon alkoxide into alcohol, containing at least one of either a silicon alkoxide or a hydrolyzate thereof (including a partial hydrolyzate) in an amount of 0.010 to 3% by weight (in terms of silica), an acid in terms of 0.0010 to 1.0 normality, and water in terms of 0 to 10% by weight is coated on a substrate to produce an article coated with a silica-based film. By this method for producing a silica-based film coated article, an excellent silica-based film coated article can be obtained without requiring baking and pretreatment. Furthermore, a functional film coated article excellent in durability can be produced in a short period of time and safely by using the abovementioned silica-based film as a primer film and applying thereon an organosilane having a hydrolyzable group and a functional group having a specific function or a hydrolyzate thereof.
摘要:
For obtaining a substrate on the surface of which a water repellent film is firmly bonded through an undercoating film, and which shows a low critical inclination angle, superior durability, and high density, a water repellent and/or oil repellent film layer is formed by using a liquid for undercoating treatment. The liquid for undercoating treatment is obtained by dissolving and reacting a material having chlorosilyl radicle radicle in molecular form therein and is dissolved into an alcohol group solvent, so that a surface roughness (Ra) of less than 0.5 nm is obtained, thereby achieving high durability and a low critical inclination angle.
摘要:
The present invention provides an antifog-film-coated article including an antifog film having high hardness while maintaining sufficient antifog performance, which article can be employed in various applications, including antifog mirrors, windowpanes for automobiles, and windowpanes for buildings. The antifog-film-coated article of the present invention includes a hard substrate, and a water-absorbing composite film formed on the substrate, wherein the water-absorbing composite film contains a polyvinyl acetal resin; colloidal silica in an amount of 30 to 80 parts by mass on the basis of 100 parts by mass of the resin; and silica-equivalent particles derived from a hydrolysis product or partial hydrolysis product of a silicon alkoxide compound in an amount of 5 to 55 parts by mass on the basis of 100 parts by mass of the resin.
摘要:
In a process for producing a product coated with a water repellent film which comprises applying on a base substrate a coating liquid containing a silicon alkoxide, a fluoroalkyl group-containing silane compound and an acid dissolved in a solvent and drying; the process for producing a product coated with a water repellent film being characterized in that said coating liquid contains: said silicon alkoxide or a hydrolysate thereof is present at a concentration equivalent to 0.01 to 2% by weight of silica formed by hydrolysis of the silicon alkoxide, said fluoroalkyl group-containing silane compound is present at a concentration equivalent to 0.00001 to 0.15% by weight of silica formed by hydrolysis of the fluoroalkyl group-containing silane compound, 0.003-3 normality of said acid, and 0-20% by weight of water. The invention further provides water repellent products having a good rolling properly of water drops, a high scratching resistance and a high weatherability prepared by the process of the invention.
摘要:
The present invention is to provide an anti-fogging article which is excellent in durability, wear resistance, anti-fogging property and anti-fogging substainability property, wherein the same is an anti-fogging article in which a film having a metal oxide fine particles having a grain size from 4 through 300 nm and having metal oxides used as its matrix is coated on a substrate and dents and projections having an arithmetical mean roughness (Ra) from 1.5 to 80 nm and their mean interval (Sm) from 4 to 300 nm are formed on the abovementioned film surface, as necessary, the corresponding film contains a surface-active agent and a phosphate compound, and further as necessary, organosilane or its hydrolyzed substance containing in the molecule at least a functional group which is selected from a group consisting of polyalkylene oxide group, alkyl group, alkenyl group, and aryl group is covered on the corresponding dents and projections, and further as necessary, a surface-active agent layer is secured thereon or on the corresponding dents and projections.
摘要:
Water-repellent articles having an excellent water repellency, particularly water-repellent articles having a great contact angle with respect to waterdrop, an excellent waterdrop rollability, a high scuff resistance and a high weathering resistance, a method for producing the water-repellent articles, and a solution for forming a water-repellent film are dsiclosed. A novel method for producing water-repellent articles is provided, which comprises dissolving a chlorosilyl group-containing compound and a fluoroalkyl group-containing silane compound in a solvent containing an alcohol and/or water content to obtain a solution having the chloro group in said chlorosilyl group-containing compound substituted by an alkoxyl group or hydroxyl group, applying said solution to the surface of a substrate, and then drying the coated material to form a water-repellent film.
摘要:
A sol-form application liquid 3 is prepared by mixing together two solvents A and B and two film components C and D. The sol-form application liquid 3 thus prepared is applied onto a glass substrate 200, thus forming a mixed layer 401 on the glass substrate 200. The glass substrate 200 having the mixed layer 401 formed thereon is left at room temperature, whereupon the solvent A evaporates and phase separation of the mixed layer 401 into an upper layer 403 and a lower layer 402 occurs. The mixed layer 401 is then heated, thus evaporating the solvent B in the lower layer 402 and gelating the film component C in the upper layer 403 and the film component D in the lower layer 402, and hence forming an internal scattering layer 404.
摘要:
The present invention provides a method for manufacturing a glass sheet in which a raw material containing glass cullets is melted to form the glass sheet, wherein the glass cullets include a colored film and this colored film contains an alkali metal oxide, a silicon oxide, and fine particles containing carbon as their main component. The glass cullets can be recycled as a part of the raw material for glass in spite of the colored film included therein since in the glass cullets, the fine particles containing carbon as their main component are contained as a colorant.
摘要:
The present invention provides a glass sheet with a colored film that can be recycled as a cutlet raw material. The glass sheet includes a glass substrate and a colored film that coats at least part of the surface thereof. This colored film includes an alkali metal oxide, a silicon oxide, and fine particles containing carbon as their main component. The colored film functions as light-shielding films that reduce the visible light transmittance and ultraviolet transmittance.