Patent ID: 9284198
Filing Date: 2016-03-15
CPC Classification: B01J,C01B,C01C

Claim Text:
1. A method for preparing trisilylamine, the method comprising: providing a reaction mixture of trisilylamine and monochlorosilane into a reactor wherein the reaction mixture is at a temperature and pressure sufficient to provide trisilylamine in a liquid phase wherein the reaction mixture is substantially free of an added solvent and wherein the density of trisilyamine in the reactor ranges from about 1.5 to about 100 grams/liter; contacting the reaction mixture with ammonia to provide a crude mixture comprising trisilylamine and an ammonium chloride solid wherein monochlorosilane is in stoichiometric excess in relation to ammonia; purifiying the crude mixture to provide trisilylamine wherein the trisilyamine is produced at purity level of 90% or greater; and optionally removing the ammonium chloride solid from the reactor.