Process for the preparation of poly(disilyl)silazane polymers an

Details Process for the preparation of poly(disilyl)silazane polymers an Process for the preparation of poly(disilyl)silazane polymers an

1981-08-10

1983-09-13

Marquis, Melvyn I.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Filaments

521154, 521919, 427387, 427228, 428408, 428447, 264 295, 264 296, 501 88, 501 90, 501 92, 556410, 556435, 528 31, 528 32, 528 33, 528 34, 528 36, 528 38, D01C 500

Patent

active

044041535

ABSTRACT:
What is disclosed is a process for preparing R'.sub.3 SiNH-containing silazane polymers by contacting and reacting chlorine-containing disilanes with {R'.sub.3 Si}.sub.2 NH where R' is vinyl, hydrogen, an alkyl radical of 1-3 carbon atoms or the phenyl group. The silazane polymers are useful as chemical intermediates to produce silicon-containing chemical compounds. They are also useful in the formation of silicon carbide-containing ceramic materials.

REFERENCES:
patent: 3738906 (1973-06-01), Olcott
patent: 3853567 (1974-12-01), Verbeek
patent: 3882210 (1975-05-01), Crossley et al.
patent: 3892583 (1975-07-01), Winter et al.
patent: 3960619 (1976-06-01), Seiter
patent: 4067955 (1978-01-01), Noakes et al.
patent: 4105455 (1978-08-01), Koga et al.
patent: 4267211 (1981-05-01), Yajima et al.
patent: 4340619 (1982-07-01), Gaul, Jr.

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