Borazine derivatized hydridopolysilazane polymers

Details Borazine derivatized hydridopolysilazane polymers Borazine derivatized hydridopolysilazane polymers

1992-11-02

1993-10-12

Marquis, Melvyn I.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528 7, C08F28300

Patent

active

052526844

ABSTRACT:
The present invention relates to a method of preparing borazine modified hydridopolysilazane polymers. The method comprises reacting a hydridopolysilazane polymer with a material comprising at least one borazine ring for a time sufficient to produce the desired polymer. This invention also relates to the novel polymers produced by the above method.

REFERENCES:
patent: 4540803 (1985-09-01), Cannady
patent: 4604367 (1986-08-01), Takamizawa et al.
patent: 4910173 (1990-03-01), Niebylski
patent: 5030744 (1991-07-01), Funayama et al.
D. Seyferth et al., J. Am. Ceram. Soc., 73 [7], 2131-33, (1990), "Borasilazane Polymeric Precursors for Borosilicon Nitride".
D. Seyferth et al., "Silicon Ceramics with a Dash of Boron", Dept. of Chem., Massachusetts Institute of Technology, pp. 15-27.

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