Abstract: A curable composition comprises (a) at least one polydiorganosiloxane, fluorinated polydiorganosiloxane, or combination thereof comprising reactive silane functionality comprising at least two hydroxysilyl moieties; (b) at least one polydiorganosiloxane, fluorinated polydiorganosiloxane, or combination thereof comprising reactive silane functionality comprising at least two hydrosilyl moieties; and (c) at least one base selected from amidines, guanidines, phosphazenes, proazaphosphatranes, and combinations thereof; wherein at least one of the components (a) and (b) has an average reactive silane functionality of at least three.

Abstract: Disclosed herein is a method of making a light emitting device having an LED die and a molded encapsulant made by polymerizing at least two polymerizable compositions. The method includes: (a) providing an LED package having an LED die disposed in a reflecting cup, the reflecting cup filled with a first polymerizable composition such that the LED die is encapsulated; (b) providing a mold having a cavity filled with a second polymerizable composition; (c) contacting the first and second polymerizable compositions; (d) polymerizing the first and second polymerizable compositions to form first and second polymerized compositions, respectively, wherein the first and second polymerized compositions are bonded together; and (e) optionally separating the mold from the second polymerized composition. Light emitting devices prepared according to the method are also described.

Abstract: Disclosed herein is a method of making a light emitting device having an LED die and a molded encapsulant made by polymerizing at least two polymerizable compositions. The method includes: (a) providing an LED package having an LED die disposed in a reflecting cup, the reflecting cup filled with a first polymerizable composition such that the LED die is encapsulated; (b) providing a mold having a cavity filled with a second polymerizable composition; (c) contacting the first and second polymerizable compositions; (d) polymerizing the first and second polymerizable compositions to form first and second polymerized compositions, respectively, wherein the first and second polymerized compositions are bonded together; and (e) optionally separating the mold from the second polymerized composition. Light emitting devices prepared according to the method are also described.

Abstract: Disclosed herein is a method of making a light emitting device having an LED die and a molded encapsulant made by polymerizing at least two polymerizable compositions. The method includes: (a) providing an LED package having an LED die disposed in a reflecting cup, the reflecting cup filled with a first polymerizable composition such that the LED die is encapsulated; (b) providing a mold having a cavity filled with a second polymerizable composition; (c) contacting the first and second polymerizable compositions; (d) polymerizing the first and second polymerizable compositions to form first and second polymerized compositions, respectively, wherein the first and second polymerized compositions are bonded together; and (e) optionally separating the mold from the second polymerized composition. Light emitting devices prepared according to the method are also described.

Abstract: An optical assembly including a display panel is disclosed herein. The display panel is optically bonded, using a photopolymerized layer, to a substantially transparent substrate. The photopolymerized layer is formed from a photopolymerizable layer having a silicon-containing resin comprising silicon-bonded hydrogen and aliphatic unsaturation and a platinum photocatalyst present in an amount of from about 0.5 to about 30 parts of platinum per one million parts of the photopolymerizable layer. Methods of making the optical assembly are also disclosed herein. The optical assembly may be used in an optical device such as a handheld device, a television, a computer monitor, a laptop display, or a digital sign.

Abstract: Disclosed herein is a light emitting device including an LED die and a photopolymerizable composition comprising a silicon-containing resin comprising silicon-bonded hydrogen and aliphatic unsaturation, and from about 0.5 to about 30 parts per million of a platinum catalyst. The photopolymerizable composition may be free of catalyst inhibitor. Also disclosed herein are methods of making the light emitting device.

Abstract: The present disclosure describes a method for applying a coatable material to a substrate. Further, a method for treating a coating apparatus is described. At least one treated surface is coated with a low surface energy material having a thickness less than 5 micrometers.

Abstract: Provided is a laminated body comprising a substrate to be ground and a support, where the substrate may be ground to a very small (thin) thickness and can then be separated from the support without damaging the substrate. One embodiment is a laminated body comprising a substrate to be ground, a curable silicone adhesive layer in contact with the substrate to be ground, a photothermal conversion layer comprising a light absorbing agent and a heat decomposable resin, and a light transmitting support. After grinding the substrate surface which is opposite that in contact with the adhesive layer, the laminated body is irradiated through the light transmitting layer and the photothermal conversion layer decomposes to separate the substrate and the light transmitting support.

Abstract: A light emitting device that includes a light emitting diode and a multilayer encapsulant is disclosed. The multilayer encapsulant includes a first encapsulant in contact with the light emitting diode and a photopolymerizable composition in contact with the first encapsulant. The first encapsulant may be a silicone gel, silicone gum, silicone fluid, organosiloxane, polysiloxane, polyimide, polyphosphazene, sol-gel composition, or another photopolymerizable composition. The photopolymerizable compositions include a silicon-containing resin and a metal-containing catalyst, the silicon-containing resin comprising silicon-bonded hydrogen and aliphatic unsaturation. Actinic radiation having a wavelength of 700 nm or less can be applied to initiate hydrosilylation within the silicon-containing resins.

Abstract: A chromonic nanoparticle mixture prepared by combining (i) a continuous water-soluble polymer phase and (ii) a discontinuous chromonic phase comprising a chromonic material; and non-covalently crosslinking the resulting chromonic nanoparticles with a polyvalent cation salt.

Abstract: A method of making an LED light emitting device is disclosed. The method includes forming a multilayer encapsulant in contact with an LED by contacting the LED with a first encapsulant that is a silicone gel, silicone gum, silicone fluid, organosiloxane, polysiloxane, polyimide, polyphosphazene, sol-gel composition, or a first photopolymerizable composition, and then contacting the first encapsulant with a second photopolymerizable composition. Each photopolymerizable composition includes a silicon-containing resin and a metal-containing catalyst, the silicon-containing resin comprising silicon-bonded hydrogen and aliphatic unsaturation. Actinic radiation having a wavelength of 700 nm or less is applied to initiate hydrosilylation within the silicon-containing resins.

Abstract: A chromonic nanoparticle mixture prepared by combining (i) a continuous water-soluble polymer phase and (ii) a discontinuous chromonic phase comprising a chromonic material; and non-covalently crosslinking the resulting chromonic nanoparticles with a polyvalent cation salt.

Abstract: Disclosed herein is a method of making a light emitting device comprising an LED and a molded silicon-containing encapsulant. The method includes contacting the LED with a photopolymerizable composition containing a silicon-containing resin having silicon-bonded hydrogen and aliphatic unsaturation and two metal-containing catalysts. One catalyst may be activated by actinic radiation, and the second by heat but not the actinic radiation. Polymerization of the photopolymerizable composition to form the encapsulant may be carried out by selectively activating the different catalysts. At some point before polymerization is complete, a mold is used to impart a predetermined shape to the encapsulant.

Abstract: Provided is a laminated body comprising a substrate to be ground and a support, where the substrate may be ground to a very small (thin) thickness and can then be separated from the support without damaging the substrate. One embodiment is a laminated body comprising a substrate to be ground, a curable silicone adhesive layer in contact with the substrate to be ground, a photothermal conversion layer comprising a light absorbing agent and a heat decomposable resin, and a light transmitting support. After grinding the substrate surface which is opposite that in contact with the adhesive layer, the laminated body is irradiated through the light transmitting layer and the photothermal conversion layer decomposes to separate the substrate and the light transmitting support.

Abstract: Disclosed herein is a light emitting device including an LED die and a photopolymerizable composition comprising a silicon-containing resin comprising silicon-bonded hydrogen and aliphatic unsaturation, and from about 0.5 to about 30 parts per million of a platinum catalyst. The photopolymerizable composition may be free of catalyst inhibitor. Also disclosed herein are methods of making the light emitting device.

Abstract: A container, such as a metered dose inhaler, suitable for use with a propellant-based medicinal formulation, the container comprising one or more treated metal surfaces that come into contact with the medicinal formulation, wherein the one or more treated metal surfaces are characterized by an organic surface treatment compound covalently bonded to the metal surface through a reactive head group selected from either phosphonic acid or carboxylic acid and wherein the organic surface treatment compound is further characterized by an exposed, substantially non-reactive tail group disposed away from the metal surface. Also, metered dose inhaler canisters and valves with treated surfaces.

Abstract: A method of making a light emitting device is disclosed. The method includes providing a light emitting diode and forming an encapsulant in contact with the light emitting diode; wherein forming the encapsulant includes contacting the light emitting diode with a photopolymerizable composition comprising a silicon-containing resin, a metal-containing catalyst, and surface treated particles, the silicon-containing resin comprises silicon-bonded hydrogen and aliphatic unsaturation, the surface treated particles comprising nonabsorbing metal oxide particles, semiconductor particles, or combinations thereof, and applying actinic radiation having a wavelength of 700 nm or less to initiate hydrosilylation within the silicon-containing resin.

Abstract: Molded optical articles and methods of making them are disclosed herein. Optical articles comprise a photopolymerizable composition disposed on a major surface of a substrate. The photopolymerizable composition comprises: a silicon-containing resin comprising silicon-bonded hydrogen and aliphatic unsaturation, and a platinum catalyst providing from about 0.5 to about 30 parts per million of platinum. The major surface imparts a positive or negative lens to the photopolymerizable composition. Optical articles also include those that have been photopolymerized using actinic radiation having a wavelength of 700 nm or less.

Abstract: Fluorinated benzotriazole compounds may be prepared by contacting a fluorochemical monofunctional compound, such a fluorinated alcohol, with a carboxybenzotriazole in the presence of a coupling agent, and an optional amine catalyst.

Abstract: Provided is an organic thin film transistor comprising a polymeric layer interposed between a gate dielectric and an organic semiconductor layer. Various homopolymers, copolymers, and functional copolymers are taught for use in the polymeric layer. An integrated circuit comprising a multiplicity of thin film transistors and methods of making a thin film transistor are also provided. The organic thin film transistors of the invention typically exhibit improvement in one or more transistor properties.