Polymetalosilazane, process of producing same, silicon nitride b

Details Polymetalosilazane, process of producing same, silicon nitride b Polymetalosilazane, process of producing same, silicon nitride b

1994-04-06

1995-07-25

Marquis, Melvyn I.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525474, 528 8, 528 9, 528 30, 528 33, 528 34, 528 38, C08L 8304

Patent

active

054363985

ABSTRACT:
A preceramic polymetalosilazane substantially free of Si-O groups is produced by reacting a polysilazane with a metal alkoxide in the presence of an alkylsilazane or alkylsilane. The preceramic polymer gives a high strength and heat resistant ceramic body which remains amorphous when calcined at 1,600.degree. C. for 10 hours in the atmosphere of nitrogen.

REFERENCES:
patent: 4730026 (1988-03-01), Bolt et al.
patent: 4886860 (1989-12-01), Arai et al.

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