Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From silicon reactant having at least one...
Patent
1984-03-12
1984-11-13
Marquis, Melvyn I.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From silicon reactant having at least one...
427288, 427387, 428408, 428447, 264 291, 264 292, 264 293, 264 295, 264 296, 264 297, 423344, 423345, 423347, 528 31, 528 32, 528 38, 528 43, 556412, C08G 7704
Patent
active
044826893
ABSTRACT:
What is disclosed is a process for preparing R.sub.3 'SiNH-containing metallosilazane polymer containing boron, titanium, or phosphorous by contacting and reacting chlorine-containing disilanes and certain reactive metal halides with [R.sub.3 'Si].sub.2 NH where R' is vinyl, hydrogen, or alkyl radical of 1-3 carbon atoms, or phenyl. Preferred reactive metal halides include BBr.sub.3, TiCl.sub.4, and PCl.sub.3. The metallosilazane polymers are useful as chemical intermediates to provide silicon-containing chemical compounds. The metallosilazane polymers are also useful in the formation of ceramic material. The ceramic materials may be formed by heating the metallosilazane polymer at elevated temperatures in an inert atmosphere or in a vacuum.
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Dow Corning Corporation
Kaba Richard A.
Marquis Melvyn I.
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