摘要:
This invention relates to a method comprising (1) heating in the presence of a catalyst a mixture comprising (i) at least one organohydrogensilicon compound containing at least one silicon-bonded hydrogen atom per molecule or a reaction product obtained by mixing in the presence of a platinum group metal-containing catalyst at least one organohydrogensilicon compound containing at least one silicon-bonded hydrogen atom per molecule and at least one compound having at least one aliphatic unsaturation, (ii) at least one endblocker, and optionally (iii) at least one organosiloxane chosen from a hydrolyzate or a cyclosiloxane, so to cause polymerization of components (i), (ii), and optionally (iii) to form silicon-bonded hydrogen containing branched polymers.
摘要:
A method comprising heating in the presence of a catalyst, a mixture comprising (i) a reaction product obtained by mixing in the presence of a platinum group metal-containing catalyst at least one organohydrogensilicon compound containing at least one silicon-bonded hydrogen atom per molecule and at least one compound having at least one aliphatic unsaturation; (ii) at least one endblocker, and optionally (iii) at least one organosiloxane chosen from a hydrolyzate or a cyclosiloxane, so to cause polymerization of components (i), (ii), and optionally (iii) to form branched polymers.
摘要:
A composition comprising (A) at least one compound having at least one aliphatic unsaturation; (B) at least one organohydrogensilicon compound containing at least one silicon-bonded hydrogen atom per molecule and (C) a platinum group metal-containing catalyst.
摘要:
This invention relates to a photovoltaic cell module and a process of applying a silicone based hot melt encapsulant material (102a, 104a) onto photovoltaic cells (103a) to form a photovoltaic cell module. There is provided a photovoltaic array with more efficient manufacturing and better utilization of the solar spectrum by using silicone hot melt sheets (102a, 104a) to give a silicone encapsulant photovoltaic device with the process ease of an organic encapsulant but the optical and chemical advantages of a silicone encapsulant. There is further provided a method for fabricating photovoltaic cells with increased throughput and optical efficiency when compared to prior art encapsulation methods. The preferred silicone material is provided in flexible sheet with hot melt properties and low surface tack.
摘要:
A thermoplastic composition. The thermoplastic composition includes a thermoplastic; a silicone hot melt additive; and optional filler. A method of processing the thermoplastic composition is also disclosed.
摘要:
This invention relates to a radiation curable silicone coating composition comprising an alkoxylated resin-polymer organosilicone network containing radiation curable functionality and a cationic photoinitiator. The radiation curable silicone compositions of this invention are useful as fast curing low and high release coating compositions which are especially suitable for release of pressure sensitive adhesives.
摘要:
A flexible barrier film has a thickness of from greater than zero to less than 5,000 nanometers and a water vapor transmission rate of no more than 1×10−2 g/m2/day at 22° C. and 47% relative humidity. The flexible barrier film is formed from a composition, which comprises a multi-functional acrylate. The composition further comprises the reaction product of an alkoxy-functional organometallic compound and an alkoxy-functional organosilicon compound. A method of forming the flexible barrier film includes the steps of disposing the composition on a substrate and curing the composition to form the flexible barrier film. The flexible barrier film may be utilized in organic electronic devices.
摘要:
A process for reducing Ag electromigration in electronic circuitry includes the step of treating the electronic circuitry with an electromigration resistant composition. This process is useful in fabricating electronic devices having electronic circuitry that is close together, such as resistors, capacitors, and displays, e.g., a plasma display panel (PDP) or a liquid crystal display (LCD).
摘要:
Curable compositions contain (i) a free radical polymerizable organosilicon monomer, oligomer or polymer; (ii) an organoborane amine complex; optionally (iii) an amine reactive compound having amine reactive groups; and optionally (iv) a component capable of generating a gas when mixed with a compound bearing active hydrogen and a catalyst. The curable compositions can be used as a rubber, tape, adhesive, foam, pressure sensitive adhesive, protective coating, thin film, thermoplastic monolithic molded part, thermosetting monolithic molded part, sealant, gasket, seal, or o-ring, die attachment adhesive, lid sealant, encapsulant, potting compound, or conformal coating. The compositions can also be used in composite articles of manufacture such as integrally bonded device including electrical and electronic connectors and scuba diving masks, in which substrates are coated or bonded together with the composition and cured.