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The Thermal Conversion of Poly[(silylene)‐diacetylene] Metal Oxide Composites: A New Approach to β‐SiCMC Ceramics
Author(s) -
Corriu Robert,
Gerbier Philippe,
Guérin Christian,
Henner Bernard
Publication year - 1992
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199211951
Subject(s) - materials science , diacetylene , ceramic , oxide , metal , polymer , composite material , carbon fibers , chemical engineering , silylene , composite number , metallurgy , polymerization , silicon , engineering
Cross‐linking of 1, formation of a SiC network, and reduction of the encapsulated TiO 2 particles are the three steps in the reaction of poly[(dimethylsilylene)diacetylene] ( 1 ) and TiO 2 which produces SiCTiC ceramics [Eq. (a)]. The reduction of the metal oxide in this case is possible at much lower temperatures than with carbon alone. This method can be applied to a number of metal oxides, and also B 2 O 3 . The ceramic's composition can be modulated by variation of the polymer.
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