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US 5,470,933 AGranted
Preparation of polyaminoborazines
AssigneeRhone-Poulenc Chimie
InventorsGerard Mignani, Christophe Richard, Roger Trichon
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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.
Claims17
A process for the preparation of a homogeneous polyaminoborazine, the process comprising a step of thermally polycondensing a trifunctional aminoborazine at polycondensation reaction equilibrium.
A monodisperse, homogeneous polyaminoborazine.
Dependencies are inferred from the claim text.