General Electric Company

Sabic Innovative Plastics IP B.v.

Lockheed Martin Corporation

Mao Chen

James Edward Pickett

Gregory Ronald Gillette

James Norman Cawse

Gautam A Patel

Gert Boven

Paul Sigston

Chang Wei

Charles Dominic Iacovangelo

Byron Richard Collins

Yiqun Pan

Karen K Webb

Gautam Ambalal Patel

A sheet material includes a polycarbonate substrate and a protective coating containing the reaction products of an aminoplast resin, a polyol compound, and a UV-absorbing amount of a triazine compound. The sheet material exhibits an improved balance of abrasion resistance, solvent resistance, weatherability, and formability.

Coated sheet, method of formation thereof, and articles derived therefrom

A sheet material includes a polycarbonate substrate and a protective coating containing the reaction products of an aminoplast resin, a polyol compound, and a UV-absorbing amount of a triazine compound. The sheet material exhibits an improved balance of abrasion resistance, solvent resistance, weatherability, and formability. Methods of preparing the sheet material are described.

Coated sheet, method of formation thereof, and article derived therefrom

An anti-fog coating composition comprises a silicone polymer or oligomer, a water dispersible polyurethane polymer or oligomer, and water. A process for forming an anti-fog film comprises applying the anti-fog coating composition to a substrate and coalescing the silicone and polyurethane compounds to form the film. In another embodiment, the process for forming the anti-fog film comprises applying the components of the anti-fog coating composition to a substrate and crosslinking the components to form the anti-fog film. The components generally include a polyol, an isocyanate, a catalyst, and a silicone polymer or oligomer.

Anti-fog coating composition, process, and article

An method, and method of production thereof, which provides excellent performance, reduced cost, and reduced breakage due to reduced manual handling. The present invention comprises a substrate, a bond layer coating the substrate, a reflective layer coating the bond layer, and a radiative layer coating the reflective layer. Preferably, the radiative layer comprises SiO , Si N or SiO N , low absorbency of electromagnetic radiation having wavelengths of approximately 200 nm to approximately 2500 nm and high absorbency and emissivity electromagnetic radiation having wavelengths of approximately 2.5 &mgr;m to approximately 25 &mgr;m. Preferably, the bond layer comprises chromium, titanium, or titanium-tungsten and the substrate comprises aluminum, aluminum alloys, polyimide, carbon-filled polyimide, or carbon composite. The present invention may further comprise a barrier layer between the reflective layer and the radiative layer, preferably comprising MgF , which improves adhesion between the reflective layer and the radiative layer during thermal cycling. The present invention may further comprise a surface-leveling layer between the substrate and the bond layer, preferably comprising a silicone hardcoat material, which improves surface smoothness of the substrate. The radiative layer may have a modulated refractive index profile. The parameters of the modulated refractive index profile of the radiative layer may control amplitude, bandwidth and wavelength of rejection bands of the radiative layer.

Optical solar reflectors

A metal halide gas discharge lamp ( ) luminaire ( ) includes an acrylic lens ( ). The metal halide lamp ( ) is subject to non-passive failure whereby not particles of quartz or ceramic arc tube ( ) material and tungsten electrode ( ) material fall as hot (e.g. 1100 &deg; C.) debris. The interior, upper surface ( ) of the lens ( ) is ignition-resistant and, in exemplary embodiments, comprises a thin coating ( ). In the event of non-passive failure of the lamp ( ), hot debris particles fall on to the acrylic lens ( ). Not only is there no flame, but hot debris particles do not sink into the material of the acrylic lens. Thus, containment is maintained.

Luminaire incorporating containment in the event of non-passive failure of high intensity discharge lamp

Thermoplastic substrates subject to color instability and loss of physical properties resulting from exposure to ultraviolet radiation, such as polycarbonate, are coated with a protective coating comprising at least one thermoplastic acrylic polymer such as poly(methyl methacrylate) in combination with two ultraviolet absorbing compounds: a substituted resorcinol such as 4,6-dibenzoylresorcinol and a silylated substituted resorcinol such as 2-(3-triethoxysilylpropyl)-4,6-dibenzoylresorcinol. The silylated substituted resorcinol is used in a minor proportion effective to improve solubility and compatibility of the substituted resorcinol.

Growing community of inventors

Evansville, IN, United States of America

Mao Chen