Method for producing silicon oxycarbide fibers

Details Method for producing silicon oxycarbide fibers Method for producing silicon oxycarbide fibers

2008-05-13

2008-05-13

Lopez, Carlos (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Utilizing special inert gaseous atmosphere or flushing mold...

C264S086000

Reexamination Certificate

active

10682858

ABSTRACT:
The present invention relates to a method for producing silicon oxycarbide fibers by pyrolysis of preceramic precursors.Said method comprises the following steps: spinning of a composition comprising a silicone polymer and a reticulating agent, chemical reticulation of the fibers and pyrolysis at a temperature between 800 and 1400° C. in non-oxidizing atmosphere.Said method is characterized by the use of a polyorganohydrosiloxane as silicone polymer and by a reticulating agent that carries out reticulation by reacting with Si—H bonds of polyorganohydrosiloxane.

REFERENCES:
patent: 5167881 (1992-12-01), Atwell et al.
patent: 5358674 (1994-10-01), Rabe
patent: 5629249 (1997-05-01), Leung
patent: 01 248 657 (1990-05-01), None

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