Patent ID: 9359479
Filing Date: 2016-06-07
CPC Classification: C01B,C04B,C08G,D01F

Claim Text:
1. A method of forming a polydisilazane resin comprising reacting in an oxygen-free and moisture-free system: a) at least one methylchlorodisilane; b) at least one organochlorosilane comprising at least one vinyl or allyl group, wherein the concentration of olefin in the polydisilazane resin is greater than 1 mol/kg; c) an additive of formula I wherein Y is (C R wherein at least one instance of R d) at least one nitrogen-containing additive selected from hexamethyldisilazane, tetramethyldisilazane, divinyltetramethyldisilazane, methylamine, and ammonia.