Preparation of polyaminoborazines

Details Preparation of polyaminoborazines Preparation of polyaminoborazines

1993-09-15

1995-11-28

Hampton-Hightower, P.

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

Synthetic resins

From silicon reactant having at least one...

528 12, 528 30, 564 10, 526239, C08F 3006

Patent

active

054709334

ABSTRACT:
Monodisperse, homogeneous polyaminoborazines, well suited for pyrolysis into ceramic BN shaped articles, e.g., fibers, films, etc., are prepared by thermally polycondensing a trifunctional aminoborazine under conditions of polycondensation reaction equilibrium.

REFERENCES:
patent: 2754177 (1956-07-01), Gould
patent: 4578283 (1986-03-01), Kirtley et al.
patent: 4906763 (1990-03-01), Paciorek et al.
patent: 5188757 (1993-02-01), Paine, Jr. et al.
patent: 5202399 (1993-04-01), Sneddon et al.
Journal of Polymer Science, Polymer Chemistry Edition, vol. 24, Jan. 1986, New York, pp. 173-185, Paciorek et al. "Boron-Nitrogen Polymers . . . Mechanistic Studies of Borazine Pyrolyses".

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