Method of preparing a polysilazane

Details Method of preparing a polysilazane Method of preparing a polysilazane

1991-01-07

1992-06-09

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Refractory

528 28, 423406, 423353, C04B 3546

Patent

active

051206862

ABSTRACT:
A method of preparing an organosilazane including reacting a first halosilane having the formula RR.sup.1 SiX.sub.2, wherein X is F, Cl, Br, or I, and each R and R.sup.1, independently, is X, H, or a lower alkyl group; a first primary amine compound having the formula R.sup.2 NH.sub.2, wherein R.sup.2 is H or a lower alkyl group; and a second primary amine compound having the formula R.sup.3 NH.sub.2, wherein R.sup.3 is H or a lower alkyl group, R.sup.3 being different from R.sup.2, to form the organosilazane.

REFERENCES:
patent: 4861844 (1989-08-01), LeBrun et al.
patent: 4988778 (1991-01-01), Chang et al.
patent: 5010158 (1991-04-01), Colombier et al.

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