Polysilazanes and related compositions, processes and uses

Details Polysilazanes and related compositions, processes and uses Polysilazanes and related compositions, processes and uses

1988-04-04

1990-08-28

Shaver, Paul F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Silicon containing

528 15, 528 28, C07F 710

Patent

active

049527150

ABSTRACT:
Silazanes and related compounds are prepared by providing a precursor containing one or more cyclic silazane units, causing polymerization to occur in the presence of a transition metal catalyst to form a polysilazane product. Further products may result from additional reaction. The novel compounds may be pyrolyzed to yield ceramic materials such as silicon nitride, silicon carbide and mixtures thereof. In a preferred embodiment, substantially pure silicon nitride and articles prepared therefrom are provided. Fibers, coatings, binders and the like may be prepared from the novel materials.

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