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Role of precursor chemistry on synthesis of Si–O–C and Si–O–C–N ceramics by polymer pyrolysis

✍ Scribed by S. Rangarajan; P. B. Aswath


Publisher
Springer
Year
2010
Tongue
English
Weight
372 KB
Volume
46
Category
Article
ISSN
0022-2461

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Polyaluminasilazanes were prepared quantitatively by reaction of oligosilazanes (RSi(H)NH) n (R = Me, Et) with various amounts of either trimethylaluminum, (CH 3 ) 3 Al, or dimethylaluminum amide, (CH 3 ) 2 AlNH 2 . The products were characterized by 1 H, 29 Si and 27 Al NMR and IR spectroscopy. Alk