Process for preparing organosilazanes

Details Process for preparing organosilazanes Process for preparing organosilazanes

1989-06-30

1991-04-09

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

528 10, 556410, C08G 7706

Patent

active

050066250

ABSTRACT:
Organosilazanes having higher prepolymerization molecular weights are prepared by the ammonolysis of organohalosilanes at a temperature of about 15.degree.-23.degree. C. Their higher molecular weights facilitate the polymerization of the organosilazanes to preceramic polysilazanes.

REFERENCES:
patent: 4482669 (1984-11-01), Seyferth et al.
patent: 4771118 (1988-09-01), Takamizawa et al.
patent: 4772494 (1988-09-01), Porte et al.
Zoeckler et al, J. Org. Chem. 1983, 48, 2539-2543.
Blum et al., Organometallics, 1986, 5, 2081-2086.

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