C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
Procede de preparation de polymeres de silazane, polymeres ainsi obtenus, et leur utilisation pour la production de matiere et articles ceramiques contenant du carbure de silicium
Catalyseur halogenure de la phosphonitrile, procede pour sa preparation, composition le contenant et son utilisation pour la polymerisation d'organosiloxanes.