Crosslinkable poly(thio)ureasilazane composition containing a fr

Details Crosslinkable poly(thio)ureasilazane composition containing a fr Crosslinkable poly(thio)ureasilazane composition containing a fr

1990-05-23

1991-06-04

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

528 24, 528 25, 528 28, 525474, C08G 7706

Patent

active

050215337

ABSTRACT:
A composition that comprises a poly(thio)ureasilazane having at least one alkenyl or alkynyl group and a free radical generator can be crosslinked by an energy input provided in the form of heat, ultraviolet radiation, or an electron beam. The crosslinked poly(thio)ureasilazane compositions can be pyrolyzed to form silicon nitride-containing ceramics.

REFERENCES:
patent: 4689252 (1987-08-01), Lebrun et al.
patent: 4722988 (1988-02-01), Porte et al.
patent: 4929704 (1990-05-01), Schwark

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