Catalysts function by providing an alternate reaction mechanism that has a lower activation energy than would be found in the absence of the catalyst. In some cases, the catalyzed mechanism may include additional steps.In a article, 10108-87-9, molcular formula is C13H30ClN, introducing its new discovery. Recommanded Product: 10108-87-9
The present invention relates to a low-dielectric resin composition having sufficiently low dielectric constant and dissipation factor, a low-dielectric film formed of the low-dielectric resin composition, processes for producing the low-dielectric resin composition and the low-dielectric film, and a coating agent for low-dielectric films. According to the present invention, there are provided (1) a low-dielectric resin composition including hollow silica particles having an average particle size of from 0.05 to 3 mum and a BET specific surface area of less than 30 m 2 /g, and a matrix resin in which the hollow silica particles are dispersed; (2) a low-dielectric film including the low-dielectric resin composition; (3) a process for producing the low-dielectric resin composition which includes the steps of preparing hollow silica particles (A) containing air inside thereof or core/shell type silica particles (B) in which a material capable of being dissipated by calcination to form hollow portions therein is encapsulated; calcination the hollow silica particles (A) or the core/shell type silica particles (B) at a temperature higher than 950C to prepare hollow silica particles (C); and dispersing the hollow silica particles (C) in a matrix resin-forming material to prepare a dispersion of the particles; and (4) a coating agent for low-dielectric films including the hollow silica particles, and a matrix resin-forming material in which the hollow silica particles are dispersed.
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Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI