Preparation of polysilazane polymers and the polymers therefrom

Details Preparation of polysilazane polymers and the polymers therefrom Preparation of polysilazane polymers and the polymers therefrom

1981-09-21

1983-07-26

Morris, Theodore

Stock material or miscellaneous articles

Self-sustaining carbon mass or layer with impregnant or...

10628711, 10628713, 10628714, 264 292, 264 295, 264 296, 423345, 427228, 501 88, 501 90, 501 91, 501 92, 528 21, 528 36, 556430, 556468, 556484, 428447, B05D 302, C04B 3552, B32B 900, C09K 300

Patent

active

043954600

ABSTRACT:
What is disclosed is a process for preparing polysilazane polymers by contacting and reacting chlorine-containing disilanes with ammonia. The polysilazane 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: 2842580 (1958-07-01), Gilbert
patent: 3853567 (1974-12-01), Verbeek
patent: 3892583 (1975-07-01), Winter et al.
patent: 4097294 (1978-06-01), Rice et al.
patent: 4164528 (1979-08-01), Yajima et al.
patent: 4310482 (1982-01-01), Baney
patent: 4310651 (1982-01-01), Baney et al.
patent: 4312970 (1982-01-01), Gaul
patent: 4314956 (1982-02-01), Baney et al.
patent: 4340619 (1982-07-01), Gaul

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